UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. 1)*

BigBand Networks, Inc.
(Name of Issuer)
Common Stock, $0.001 par value per share
(Title of Class of Securities)
089750 50 9
(CUSIP Number)
December 31, 2010
(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

      o  Rule 13d-1(b)

      o  Rule 13d-1(c)

      þ  Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

 
 


 

                     
CUSIP No.
 
089750 50 9 
 

 

           
1   NAMES OF REPORTING PERSONS
Broadband Fund, L.P.
     
     
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

  (a)    o
  (b)    þ  (1)
     
3   SEC USE ONLY
   
   
     
4   CITIZENSHIP OR PLACE OF ORGANIZATION
   
  California, United States of America
       
  5   SOLE VOTING POWER
     
NUMBER OF   0
       
SHARES 6   SHARED VOTING POWER
BENEFICIALLY    
OWNED BY   12,842,926 (2)
       
EACH 7   SOLE DISPOSITIVE POWER
REPORTING    
PERSON   0
       
WITH: 8   SHARED DISPOSITIVE POWER
     
    12,842,926 (2)
     
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
   
  12,842,926 (2)
     
10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
   
  o
     
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
   
  18.6%(3)
     
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
   
  PN
(1) This Amendment No. 1 to the statement on Schedule 13G is filed by Broadband Fund, L.P. (“BBF”), Broadband Management, LLC (“BBM”), Redpoint Omega Associates, LLC (“ROA”), Redpoint Omega, L.P. (“RO”), Redpoint Omega, LLC (“RO LLC”), Redpoint Technology Partners A-I, L.P. (“RTP A-I”), Redpoint Technology Partners Q-I, L.P. (“RTP Q-I”), Redpoint Ventures I, L.P. (“RV I”), Redpoint, Associates I, LLC (“RA LLC”), Redpoint Ventures I, LLC (“RV I LLC,” together with BBF, BBM, ROA, RO, RO LLC, RTP A-I, RTP Q-I, RV I and RA LLC, collectively, the “Reporting Persons”). The Reporting Persons expressly disclaim status as a “group” for purposes of this Schedule 13G.
(2) Includes (i) 172,100 shares held by BBF; (ii) 65,255 shares held by ROA; (iii) 2,307,624 shares held by RO; (iv) 283,824 shares held by RA I; (v) 141,831 shares held by RTP A-I; (vi) 887,613 shares held by RTP Q-I; and (vii) 8,984,679 shares held by RV I. BBM serves as the sole general partner of BBF and may be deemed to own beneficially the shares held by BBM. RO LLC serves as the sole general partner of RO and may be deemed to own beneficially the shares held by RO. The managers of RO LLC each serve as a manager of ROA and may be deemed to own beneficially the shares held by ROA. RV I LLC serves as the sole general partner of RTP A-I, RTP Q-I and RV I and may be deemed to own beneficially the shares held by RTP A-I, RTP Q-I and RV I. The managers of RV I LLC each serve as a manager of RA LLC and may be deemed to own beneficially the shares held by RA LLC. BBM, RO LLC and RV I LLC hold no shares of the Issuer directly. The information with respect to the ownership of the Common Stock by the Reporting Persons filing this statement on Schedule 13G is provided as of December 31, 2010.
(3) The percentages set forth on the cover sheets are calculated based on 69,108,695 shares of Common Stock reported to be outstanding as of November 1, 2010 in the Issuer’s most recently filed 10-Q as filed with the Securities and Exchange Commission (the “SEC”) on November 8, 2010.

Page 2 of 16 Pages


 

                     
CUSIP No.
 
089750 50 9 
 

 

           
1   NAMES OF REPORTING PERSONS
Broadband Management, LLC
     
     
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

  (a)    o
  (b)    þ  (1)
     
3   SEC USE ONLY
   
   
     
4   CITIZENSHIP OR PLACE OF ORGANIZATION
   
  Delaware, United States of America
       
  5   SOLE VOTING POWER
     
NUMBER OF   0
       
SHARES 6   SHARED VOTING POWER
BENEFICIALLY    
OWNED BY   12,842,926 (2)
       
EACH 7   SOLE DISPOSITIVE POWER
REPORTING    
PERSON   0
       
WITH: 8   SHARED DISPOSITIVE POWER
     
    12,842,926 (2)
     
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
   
  12,842,926 (2)
     
10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
   
  o
     
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
   
  18.6%(3)
     
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
   
  OO
(1) This Amendment No. 1 to the statement on Schedule 13G is filed by the Reporting Persons. The Reporting Persons expressly disclaim status as a “group” for purposes of this Schedule 13G.
(2) Includes (i) 172,100 shares held by BBF; (ii) 65,255 shares held by ROA; (iii) 2,307,624 shares held by RO; (iv) 283,824 shares held by RA I; (v) 141,831 shares held by RTP A-I; (vi) 887,613 shares held by RTP Q-I; and (vii) 8,984,679 shares held by RV I. BBM serves as the sole general partner of BBF and may be deemed to own beneficially the shares held by BBM. RO LLC serves as the sole general partner of RO and may be deemed to own beneficially the shares held by RO. The managers of RO LLC each serve as a manager of ROA and may be deemed to own beneficially the shares held by ROA. RV I LLC serves as the sole general partner of RTP A-I, RTP Q-I and RV I and may be deemed to own beneficially the shares held by RTP A-I, RTP Q-I and RV I. The managers of RV I LLC each serve as a manager of RA LLC and may be deemed to own beneficially the shares held by RA LLC. BBM, RO LLC and RV I LLC hold no shares of the Issuer directly. The information with respect to the ownership of the Common Stock by the Reporting Persons filing this statement on Schedule 13G is provided as of December 31, 2010.
(3) The percentages set forth on the cover sheets are calculated based on 69,108,695 shares of Common Stock reported to be outstanding as of November 1, 2010 in the Issuer’s most recently filed 10-Q as filed with the SEC on November 8, 2010.

Page 3 of 16 Pages


 

                     
CUSIP No.
 
089750 50 9 
 

 

           
1   NAMES OF REPORTING PERSONS
Redpoint Omega Associates, LLC
     
     
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

  (a)    o
  (b)    þ  (1)
     
3   SEC USE ONLY
   
   
     
4   CITIZENSHIP OR PLACE OF ORGANIZATION
   
  Delaware, United States of America
       
  5   SOLE VOTING POWER
     
NUMBER OF   0
       
SHARES 6   SHARED VOTING POWER
BENEFICIALLY    
OWNED BY   12,842,926 (2)
       
EACH 7   SOLE DISPOSITIVE POWER
REPORTING    
PERSON   0
       
WITH: 8   SHARED DISPOSITIVE POWER
     
    12,842,926 (2)
     
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
   
  12,842,926 (2)
     
10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
   
  o
     
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
   
  18.6%(3)
     
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
   
  OO
(1) This Amendment No. 1 to the statement on Schedule 13G is filed by the Reporting Persons. The Reporting Persons expressly disclaim status as a “group” for purposes of this Schedule 13G.
(2) Includes (i) 172,100 shares held by BBF; (ii) 65,255 shares held by ROA; (iii) 2,307,624 shares held by RO; (iv) 283,824 shares held by RA I; (v) 141,831 shares held by RTP A-I; (vi) 887,613 shares held by RTP Q-I; and (vii) 8,984,679 shares held by RV I. BBM serves as the sole general partner of BBF and may be deemed to own beneficially the shares held by BBM. RO LLC serves as the sole general partner of RO and may be deemed to own beneficially the shares held by RO. The managers of RO LLC each serve as a manager of ROA and may be deemed to own beneficially the shares held by ROA. RV I LLC serves as the sole general partner of RTP A-I, RTP Q-I and RV I and may be deemed to own beneficially the shares held by RTP A-I, RTP Q-I and RV I. The managers of RV I LLC each serve as a manager of RA LLC and may be deemed to own beneficially the shares held by RA LLC. BBM, RO LLC and RV I LLC hold no shares of the Issuer directly. The information with respect to the ownership of the Common Stock by the Reporting Persons filing this statement on Schedule 13G is provided as of December 31, 2010.
(3) The percentages set forth on the cover sheets are calculated based on 69,108,695 shares of Common Stock reported to be outstanding as of November 1, 2010 in the Issuer’s most recently filed 10-Q as filed with the SEC on November 8, 2010.

Page 4 of 16 Pages


 

                     
CUSIP No.
 
089750 50 9 
 

 

           
1   NAMES OF REPORTING PERSONS
Redpoint Omega, L.P.
     
     
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

  (a)    o
  (b)    þ  (1)
     
3   SEC USE ONLY
   
   
     
4   CITIZENSHIP OR PLACE OF ORGANIZATION
   
  Delaware, United States of America
       
  5   SOLE VOTING POWER
     
NUMBER OF   0
       
SHARES 6   SHARED VOTING POWER
BENEFICIALLY    
OWNED BY   12,842,926 (2)
       
EACH 7   SOLE DISPOSITIVE POWER
REPORTING    
PERSON   0
       
WITH: 8   SHARED DISPOSITIVE POWER
     
    12,842,926 (2)
     
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
   
  12,842,926 (2)
     
10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
   
  o
     
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
   
  18.6%(3)
     
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
   
  PN
(1) This Amendment No. 1 to the statement on Schedule 13G is filed by the Reporting Persons. The Reporting Persons expressly disclaim status as a “group” for purposes of this Schedule 13G.
(2) Includes (i) 172,100 shares held by BBF; (ii) 65,255 shares held by ROA; (iii) 2,307,624 shares held by RO; (iv) 283,824 shares held by RA I; (v) 141,831 shares held by RTP A-I; (vi) 887,613 shares held by RTP Q-I; and (vii) 8,984,679 shares held by RV I. BBM serves as the sole general partner of BBF and may be deemed to own beneficially the shares held by BBM. RO LLC serves as the sole general partner of RO and may be deemed to own beneficially the shares held by RO. The managers of RO LLC each serve as a manager of ROA and may be deemed to own beneficially the shares held by ROA. RV I LLC serves as the sole general partner of RTP A-I, RTP Q-I and RV I and may be deemed to own beneficially the shares held by RTP A-I, RTP Q-I and RV I. The managers of RV I LLC each serve as a manager of RA LLC and may be deemed to own beneficially the shares held by RA LLC. BBM, RO LLC and RV I LLC hold no shares of the Issuer directly. The information with respect to the ownership of the Common Stock by the Reporting Persons filing this statement on Schedule 13G is provided as of December 31, 2010.
(3) The percentages set forth on the cover sheets are calculated based on 69,108,695 shares of Common Stock reported to be outstanding as of November 1, 2010 in the Issuer’s most recently filed 10-Q as filed with the SEC on November 8, 2010.

Page 5 of 16 Pages


 

                     
CUSIP No.
 
089750 50 9 
 

 

           
1   NAMES OF REPORTING PERSONS
Redpoint Omega, LLC
     
     
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

  (a)    o
  (b)    þ  (1)
     
3   SEC USE ONLY
   
   
     
4   CITIZENSHIP OR PLACE OF ORGANIZATION
   
  Delaware, United States of America
       
  5   SOLE VOTING POWER
     
NUMBER OF   0
       
SHARES 6   SHARED VOTING POWER
BENEFICIALLY    
OWNED BY   12,842,926 (2)
       
EACH 7   SOLE DISPOSITIVE POWER
REPORTING    
PERSON   0
       
WITH: 8   SHARED DISPOSITIVE POWER
     
    12,842,926 (2)
     
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
   
  12,842,926 (2)
     
10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
   
  o
     
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
   
  18.6%(3)
     
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
   
  OO
(1) This Amendment No. 1 to the statement on Schedule 13G is filed by the Reporting Persons. The Reporting Persons expressly disclaim status as a “group” for purposes of this Schedule 13G.
(2) Includes (i) 172,100 shares held by BBF; (ii) 65,255 shares held by ROA; (iii) 2,307,624 shares held by RO; (iv) 283,824 shares held by RA I; (v) 141,831 shares held by RTP A-I; (vi) 887,613 shares held by RTP Q-I; and (vii) 8,984,679 shares held by RV I. BBM serves as the sole general partner of BBF and may be deemed to own beneficially the shares held by BBM. RO LLC serves as the sole general partner of RO and may be deemed to own beneficially the shares held by RO. The managers of RO LLC each serve as a manager of ROA and may be deemed to own beneficially the shares held by ROA. RV I LLC serves as the sole general partner of RTP A-I, RTP Q-I and RV I and may be deemed to own beneficially the shares held by RTP A-I, RTP Q-I and RV I. The managers of RV I LLC each serve as a manager of RA LLC and may be deemed to own beneficially the shares held by RA LLC. BBM, RO LLC and RV I LLC hold no shares of the Issuer directly. The information with respect to the ownership of the Common Stock by the Reporting Persons filing this statement on Schedule 13G is provided as of December 31, 2010.
(3) The percentages set forth on the cover sheets are calculated based on 69,108,695 shares of Common Stock reported to be outstanding as of November 1, 2010 in the Issuer’s most recently filed 10-Q as filed with the SEC on November 8, 2010.

Page 6 of 16 Pages


 

                     
CUSIP No.
 
089750 50 9 
 

 

           
1   NAMES OF REPORTING PERSONS
Redpoint Associates I, LLC
     
     
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

  (a)    o
  (b)    þ  (1)
     
3   SEC USE ONLY
   
   
     
4   CITIZENSHIP OR PLACE OF ORGANIZATION
   
  Delaware, United States of America
       
  5   SOLE VOTING POWER
     
NUMBER OF   0
       
SHARES 6   SHARED VOTING POWER
BENEFICIALLY    
OWNED BY   12,842,926 (2)
       
EACH 7   SOLE DISPOSITIVE POWER
REPORTING    
PERSON   0
       
WITH: 8   SHARED DISPOSITIVE POWER
     
    12,842,926 (2)
     
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
   
  12,842,926 (2)
     
10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
   
  o
     
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
   
  18.6%(3)
     
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
   
  OO
(1) This Amendment No. 1 to the statement on Schedule 13G is filed by the Reporting Persons. The Reporting Persons expressly disclaim status as a “group” for purposes of this Schedule 13G.
(2) Includes (i) 172,100 shares held by BBF; (ii) 65,255 shares held by ROA; (iii) 2,307,624 shares held by RO; (iv) 283,824 shares held by RA I; (v) 141,831 shares held by RTP A-I; (vi) 887,613 shares held by RTP Q-I; and (vii) 8,984,679 shares held by RV I. BBM serves as the sole general partner of BBF and may be deemed to own beneficially the shares held by BBM. RO LLC serves as the sole general partner of RO and may be deemed to own beneficially the shares held by RO. The managers of RO LLC each serve as a manager of ROA and may be deemed to own beneficially the shares held by ROA. RV I LLC serves as the sole general partner of RTP A-I, RTP Q-I and RV I and may be deemed to own beneficially the shares held by RTP A-I, RTP Q-I and RV I. The managers of RV I LLC each serve as a manager of RA LLC and may be deemed to own beneficially the shares held by RA LLC. BBM, RO LLC and RV I LLC hold no shares of the Issuer directly. The information with respect to the ownership of the Common Stock by the Reporting Persons filing this statement on Schedule 13G is provided as of December 31, 2010.
(3) The percentages set forth on the cover sheets are calculated based on 69,108,695 shares of Common Stock reported to be outstanding as of November 1, 2010 in the Issuer’s most recently filed 10-Q as filed with the SEC on November 8, 2010.

Page 7 of 16 Pages


 

                     
CUSIP No.
 
089750 50 9 
 

 

           
1   NAMES OF REPORTING PERSONS
Redpoint Technology Partners A-I, L.P.
     
     
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

  (a)    o
  (b)    þ  (1)
     
3   SEC USE ONLY
   
   
     
4   CITIZENSHIP OR PLACE OF ORGANIZATION
   
  Delaware, United States of America
       
  5   SOLE VOTING POWER
     
NUMBER OF   0
       
SHARES 6   SHARED VOTING POWER
BENEFICIALLY    
OWNED BY   12,842,926 (2)
       
EACH 7   SOLE DISPOSITIVE POWER
REPORTING    
PERSON   0
       
WITH: 8   SHARED DISPOSITIVE POWER
     
    12,842,926 (2)
     
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
   
  12,842,926 (2)
     
10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
   
  o
     
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
   
  18.6%(3)
     
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
   
  PN
(1) This Amendment No. 1 to the statement on Schedule 13G is filed by the Reporting Persons. The Reporting Persons expressly disclaim status as a “group” for purposes of this Schedule 13G.
(2) Includes (i) 172,100 shares held by BBF; (ii) 65,255 shares held by ROA; (iii) 2,307,624 shares held by RO; (iv) 283,824 shares held by RA I; (v) 141,831 shares held by RTP A-I; (vi) 887,613 shares held by RTP Q-I; and (vii) 8,984,679 shares held by RV I. BBM serves as the sole general partner of BBF and may be deemed to own beneficially the shares held by BBM. RO LLC serves as the sole general partner of RO and may be deemed to own beneficially the shares held by RO. The managers of RO LLC each serve as a manager of ROA and may be deemed to own beneficially the shares held by ROA. RV I LLC serves as the sole general partner of RTP A-I, RTP Q-I and RV I and may be deemed to own beneficially the shares held by RTP A-I, RTP Q-I and RV I. The managers of RV I LLC each serve as a manager of RA LLC and may be deemed to own beneficially the shares held by RA LLC. BBM, RO LLC and RV I LLC hold no shares of the Issuer directly. The information with respect to the ownership of the Common Stock by the Reporting Persons filing this statement on Schedule 13G is provided as of December 31, 2010.
(3) The percentages set forth on the cover sheets are calculated based on 69,108,695 shares of Common Stock reported to be outstanding as of November 1, 2010 in the Issuer’s most recently filed 10-Q as filed with the SEC on November 8, 2010.

Page 8 of 16 Pages


 

                     
CUSIP No.
 
089750 50 9 
 

 

           
1   NAMES OF REPORTING PERSONS
Redpoint Technology Partners Q-I, L.P.
     
     
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

  (a)    o
  (b)    þ  (1)
     
3   SEC USE ONLY
   
   
     
4   CITIZENSHIP OR PLACE OF ORGANIZATION
   
  Delaware, United States of America
       
  5   SOLE VOTING POWER
     
NUMBER OF   0
       
SHARES 6   SHARED VOTING POWER
BENEFICIALLY    
OWNED BY   12,842,926 (2)
       
EACH 7   SOLE DISPOSITIVE POWER
REPORTING    
PERSON   0
       
WITH: 8   SHARED DISPOSITIVE POWER
     
    12,842,926 (2)
     
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
   
  12,842,926 (2)
     
10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
   
  o
     
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
   
  18.6%(3)
     
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
   
  PN
(1) This Amendment No. 1 to the statement on Schedule 13G is filed by the Reporting Persons. The Reporting Persons expressly disclaim status as a “group” for purposes of this Schedule 13G.
(2) Includes (i) 172,100 shares held by BBF; (ii) 65,255 shares held by ROA; (iii) 2,307,624 shares held by RO; (iv) 283,824 shares held by RA I; (v) 141,831 shares held by RTP A-I; (vi) 887,613 shares held by RTP Q-I; and (vii) 8,984,679 shares held by RV I. BBM serves as the sole general partner of BBF and may be deemed to own beneficially the shares held by BBM. RO LLC serves as the sole general partner of RO and may be deemed to own beneficially the shares held by RO. The managers of RO LLC each serve as a manager of ROA and may be deemed to own beneficially the shares held by ROA. RV I LLC serves as the sole general partner of RTP A-I, RTP Q-I and RV I and may be deemed to own beneficially the shares held by RTP A-I, RTP Q-I and RV I. The managers of RV I LLC each serve as a manager of RA LLC and may be deemed to own beneficially the shares held by RA LLC. BBM, RO LLC and RV I LLC hold no shares of the Issuer directly. The information with respect to the ownership of the Common Stock by the Reporting Persons filing this statement on Schedule 13G is provided as of December 31, 2010.
(3) The percentages set forth on the cover sheets are calculated based on 69,108,695 shares of Common Stock reported to be outstanding as of November 1, 2010 in the Issuer’s most recently filed 10-Q as filed with the SEC on November 8, 2010.

Page 9 of 16 Pages


 

                     
CUSIP No.
 
089750 50 9 
 

 

           
1   NAMES OF REPORTING PERSONS
Redpoint Ventures I, L.P.
     
     
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

  (a)    o
  (b)    þ  (1)
     
3   SEC USE ONLY
   
   
     
4   CITIZENSHIP OR PLACE OF ORGANIZATION
   
  Delaware, United States of America
       
  5   SOLE VOTING POWER
     
NUMBER OF   0
       
SHARES 6   SHARED VOTING POWER
BENEFICIALLY    
OWNED BY   12,842,926 (2)
       
EACH 7   SOLE DISPOSITIVE POWER
REPORTING    
PERSON   0
       
WITH: 8   SHARED DISPOSITIVE POWER
     
    12,842,926 (2)
     
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
   
  12,842,926 (2)
     
10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
   
  o
     
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
   
  18.6%(3)
     
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
   
  PN
(1) This Amendment No. 1 to the statement on Schedule 13G is filed by the Reporting Persons. The Reporting Persons expressly disclaim status as a “group” for purposes of this Schedule 13G.
(2) Includes (i) 172,100 shares held by BBF; (ii) 65,255 shares held by ROA; (iii) 2,307,624 shares held by RO; (iv) 283,824 shares held by RA I; (v) 141,831 shares held by RTP A-I; (vi) 887,613 shares held by RTP Q-I; and (vii) 8,984,679 shares held by RV I. BBM serves as the sole general partner of BBF and may be deemed to own beneficially the shares held by BBM. RO LLC serves as the sole general partner of RO and may be deemed to own beneficially the shares held by RO. The managers of RO LLC each serve as a manager of ROA and may be deemed to own beneficially the shares held by ROA. RV I LLC serves as the sole general partner of RTP A-I, RTP Q-I and RV I and may be deemed to own beneficially the shares held by RTP A-I, RTP Q-I and RV I. The managers of RV I LLC each serve as a manager of RA LLC and may be deemed to own beneficially the shares held by RA LLC. BBM, RO LLC and RV I LLC hold no shares of the Issuer directly. The information with respect to the ownership of the Common Stock by the Reporting Persons filing this statement on Schedule 13G is provided as of December 31, 2010.
(3) The percentages set forth on the cover sheets are calculated based on 69,108,695 shares of Common Stock reported to be outstanding as of November 1, 2010 in the Issuer’s most recently filed 10-Q as filed with the SEC on November 8, 2010.

Page 10 of 16 Pages


 

                     
CUSIP No.
 
089750 50 9 
 

 

           
1   NAMES OF REPORTING PERSONS
Redpoint Ventures I, LLC
     
     
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

  (a)    o
  (b)    þ  (1)
     
3   SEC USE ONLY
   
   
     
4   CITIZENSHIP OR PLACE OF ORGANIZATION
   
  Delaware, United States of America
       
  5   SOLE VOTING POWER
     
NUMBER OF   0
       
SHARES 6   SHARED VOTING POWER
BENEFICIALLY    
OWNED BY   12,842,926 (2)
       
EACH 7   SOLE DISPOSITIVE POWER
REPORTING    
PERSON   0
       
WITH: 8   SHARED DISPOSITIVE POWER
     
    12,842,926 (2)
     
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
   
  12,842,926 (2)
     
10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
   
  o
     
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
   
  18.6%(3)
     
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
   
  OO
(1) This Amendment No. 1 to the statement on Schedule 13G is filed by the Reporting Persons. The Reporting Persons expressly disclaim status as a “group” for purposes of this Schedule 13G.
(2) Includes (i) 172,100 shares held by BBF; (ii) 65,255 shares held by ROA; (iii) 2,307,624 shares held by RO; (iv) 283,824 shares held by RA I; (v) 141,831 shares held by RTP A-I; (vi) 887,613 shares held by RTP Q-I; and (vii) 8,984,679 shares held by RV I. BBM serves as the sole general partner of BBF and may be deemed to own beneficially the shares held by BBM. RO LLC serves as the sole general partner of RO and may be deemed to own beneficially the shares held by RO. The managers of RO LLC each serve as a manager of ROA and may be deemed to own beneficially the shares held by ROA. RV I LLC serves as the sole general partner of RTP A-I, RTP Q-I and RV I and may be deemed to own beneficially the shares held by RTP A-I, RTP Q-I and RV I. The managers of RV I LLC each serve as a manager of RA LLC and may be deemed to own beneficially the shares held by RA LLC. BBM, RO LLC and RV I LLC hold no shares of the Issuer directly. The information with respect to the ownership of the Common Stock by the Reporting Persons filing this statement on Schedule 13G is provided as of December 31, 2010.
(3) The percentages set forth on the cover sheets are calculated based on 69,108,695 shares of Common Stock reported to be outstanding as of November 1, 2010 in the Issuer’s most recently filed 10-Q as filed with the SEC on November 8, 2010.

Page 11 of 16 Pages


 

Introductory Note: This Amendment No. 1 to the statement on Schedule 13G amends the Schedule 13G originally filed with the SEC on February 14, 2008, and is being filed by the Reporting Persons in respect of shares of Common Stock, par value $0.001 per share (“Common Stock”), of BigBand Networks, Inc. (the “Issuer”).
Item 1
         
(a)
  Name of Issuer:   BigBand Networks, Inc.
 
       
(b)
  Address of Issuer’s    
 
  Principal Executive Offices:   475 Broadway
 
      Redwood City, California 94063
Item 2
(a)   Name of Person(s) Filing:
Broadband Fund, L.P. (“BBF”)
Broadband Management, LLC (“BBM”)
Redpoint Omega Associates, LLC (“ROA”)
Redpoint Omega, L.P. (“RO”)
Redpoint Omega, LLC (“RO LLC”)
Redpoint Technology Partners A-I, L.P. (“RTP A-I”)
Redpoint Technology Partners Q-I, L.P. (“RTP Q-I”)
Redpoint Ventures I, L.P. (“RV I”)
Redpoint, Associates I, LLC (“RA LLC”)
Redpoint Ventures I, LLC (“RV I LLC”)
         
(b)
  Address of Principal Business Office:   c/o Redpoint Ventures
 
      3000 Sand Hill Road, Building 2, Suite 290
 
      Menlo Park, California 94025
(c)   Citizenship:
         
 
  BBF   California, United States of America
 
  BBM   Delaware, United States of America
 
  ROA   Delaware, United States of America
 
  RO   Delaware, United States of America
 
  RO LLC   Delaware, United States of America
 
  RTP A-I   Delaware, United States of America
 
  RTP Q-I   Delaware, United States of America
 
  RV I   Delaware, United States of America
 
  RA LLC   Delaware, United States of America
 
  RV I LLC   Delaware, United States of America
         
(d)
  Title of Class of Securities:   Common Stock
 
       
(e)
  CUSIP Number:   089750 50 9
Item 3   Not applicable.

 

Page 12 of 16 Pages


 

Item 4   Ownership .
The following information with respect to the ownership of the Common Stock by the Reporting Persons filing this statement on Schedule 13G is provided as of December 31, 2010:
                                                         
                    Shared     Sole     Shared              
    Shares Held     Sole Voting     Voting     Dispositive     Dispositive     Beneficial     Percentage  
Reporting Persons   Directly     Power     Power (1)     Power     Power (1)     Ownership (1)     of Class (3)  
BBF
    172,100       0       12,842,926       0       12,842,926       12,842,926       18.6 %
BBM (2)
    0       0       12,842,926       0       12,842,926       12,842,926       18.6 %
ROA
    65,255       0       12,842,926       0       12,842,926       12,842,926       18.6 %
RO
    2,307,624       0       12,842,926       0       12,842,926       12,842,926       18.6 %
RO LLC (2)
    0       0       12,842,926       0       12,842,926       12,842,926       18.6 %
RTP A-I
    141,831       0       12,842,926       0       12,842,926       12,842,926       18.6 %
RTP Q-I
    887,613       0       12,842,926       0       12,842,926       12,842,926       18.6 %
RV I
    8,984,679       0       12,842,926       0       12,842,926       12,842,926       18.6 %
RA LLC
    283,824       0       12,842,926       0       12,842,926       12,842,926       18.6 %
RV I LLC (2)
    0       0       12,842,926       0       12,842,926       12,842,926       18.6 %
 
(1)   Represents the number of shares of Common Stock currently underlying all Securities held by the Reporting Persons.
 
(2)   BBM serves as the sole general partner of BBF and may be deemed to own beneficially the shares held by BBM. RO LLC serves as the sole general partner of RO and may be deemed to own beneficially the shares held by RO. The managers of RO LLC each serve as a manager of ROA and may be deemed to own beneficially the shares held by ROA. RV I LLC serves as the sole general partner of RTP A-I, RTP Q-I and RV I and may be deemed to own beneficially the shares held by RTP A-I, RTP Q-I and RV I. The managers of RV I LLC each serve as a manager of RA LLC and may be deemed to own beneficially the shares held by RA LLC. BBM, RO LLC and RV I LLC hold no shares of the Issuer directly.
 
(3)   The percentages set forth on the cover sheets are calculated based on 69,108,695 shares of Common Stock reported to be outstanding as of November 1, 2010 in the Issuer’s most recently filed 10-Q as filed with the Securities and Exchange Commission (the “SEC”) on November 8, 2010.
Item 5   Ownership of Five Percent or Less of a Class .
If this statement is being filed to report the fact that as of the date hereof, the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following:   o
Item 6   Ownership of More Than Five Percent on Behalf of Another Person .
      Not applicable.
Item 7   Identification and Classification of the Subsidiary which Acquired the Security Being Reported on by the Parent Holding Company .
      Not applicable.

 

Page 13 of 16 Pages


 

Item 8   Identification and Classification of Members of the Group .
      Not applicable.
Item 9   Notice of Dissolution of Group .
      Not applicable.
Item 10   Certification .
      Not applicable.

 

Page 14 of 16 Pages


 

SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
Dated: February 8, 2011
BROADBAND FUND, L.P.
By its General Partner, Broadband Management, LLC
/s/ Geoffrey Y. Yang
 
Geoffrey Y. Yang
Manager
BROADBAND MANAGEMENT, LLC
/s/ Geoffrey Y. Yang
 
Geoffrey Y. Yang
Manager
REDPOINT OMEGA ASSOCIATES, LLC
/s/ Geoffrey Y. Yang
 
Geoffrey Y. Yang
Manager
REDPOINT OMEGA, L.P.
By its General Partner, Redpoint Omega, LLC
/s/ Geoffrey Y. Yang
 
Geoffrey Y. Yang
Manager
REDPOINT OMEGA, LLC
/s/ Geoffrey Y. Yang
 
Geoffrey Y. Yang
Manager
REDPOINT TECHNOLOGY PARTNERS A-I, L.P.
REDPOINT TECHNOLOGY PARTNERS Q-I, L.P.
REDPOINT VENTURES I, L.P.
By its General Partner, Redpoint Ventures I, LLC
/s/ Geoffrey Y. Yang
 
Geoffrey Y. Yang
Manager
REDPOINT ASSOCIATES I, LLC
/s/ Geoffrey Y. Yang
 
Geoffrey Y. Yang
Manager
REDPOINT VENTURES I, LLC
/s/ Geoffrey Y. Yang
 
Geoffrey Y. Yang
Manager
Exhibit(s) :
A — Joint Filing Statement

 

Page 15 of 16 Pages


 

EXHIBIT A
JOINT FILING STATEMENT
We, the undersigned, hereby express our agreement that the attached Schedule 13G (or any amendments thereto) relating to the Common Stock of BigBand Networks, Inc. is filed on behalf of each of us.
Dated: February 8, 2011
BROADBAND FUND, L.P.
By its General Partner, Broadband Management, LLC
/s/ Geoffrey Y. Yang
 
Geoffrey Y. Yang
Manager
BROADBAND MANAGEMENT, LLC
/s/ Geoffrey Y. Yang
 
Geoffrey Y. Yang
Manager
REDPOINT OMEGA ASSOCIATES, LLC
/s/ Geoffrey Y. Yang
 
Geoffrey Y. Yang
Manager
REDPOINT OMEGA, L.P.
By its General Partner, Redpoint Omega, LLC
/s/ Geoffrey Y. Yang
 
Geoffrey Y. Yang
Manager
REDPOINT OMEGA, LLC
/s/ Geoffrey Y. Yang
 
Geoffrey Y. Yang
Manager
REDPOINT TECHNOLOGY PARTNERS A-I, L.P.
REDPOINT TECHNOLOGY PARTNERS Q-I, L.P.
REDPOINT VENTURES I, L.P.
By its General Partner, Redpoint Ventures I, LLC
/s/ Geoffrey Y. Yang
 
Geoffrey Y. Yang
Manager
REDPOINT ASSOCIATES I, LLC
/s/ Geoffrey Y. Yang
 
Geoffrey Y. Yang
Manager
REDPOINT VENTURES I, LLC
/s/ Geoffrey Y. Yang
 
Geoffrey Y. Yang
Manager

 

Page 16 of 16 Pages

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