FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

WITTMAN VANESSA AMES 		2. Issuer Name and Ticker or Trading Symbol

SIRIUS XM HOLDINGS INC. [ (SIRI) ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
_____ Officer (give title below)      _____ Other (specify below)
(Last)          (First)          (Middle)

1290 AVENUE OF THE AMERICAS 		3. Date of Earliest Transaction (MM/DD/YYYY)

3/9/2018
(Street)

NEW YORK, NY 10104
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock   3/9/2018     M    49059.0000   A $3.5150   75233.0000   D    
Common Stock   3/9/2018     M    46226.0000   A $3.1550   121459.0000   D    
Common Stock   3/9/2018     M    34905.0000   A $2.2750   156364.0000   D    
Common Stock   3/9/2018     F    60719.0000   D $6.5500   (1) 95645.0000   D    
Common Stock   3/9/2018     S    69471.0000   D $6.5300   26174.0000   D    

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy)   $3.1550   3/9/2018     M         46226.0000    5/20/2015   5/20/2024   Common Stock   46226.0000   $3.1550   15408.0000   D    
Stock Option (Right to Buy)   $3.5150   3/9/2018     M         49059.0000    5/22/2014   5/22/2023   Common Stock   49059.0000   $3.5150   0.0000   D    
Stock Option (Right to Buy)   $2.2750   3/9/2018     M         34905.0000    5/26/2012   5/26/2021   Common Stock   34905.0000   $2.2750   0.0000   D    

Explanation of Responses:
(1)  Represents the exercise price of the stock option referenced in Table II which was paid by way of the withholding by the Company of shares with a value equal to the exercise price.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
WITTMAN VANESSA AMES
1290 AVENUE OF THE AMERICAS
NEW YORK, NY 10104 		X



Signatures
/s/Patrick L. Donnelly, attorney in fact 3/12/2018
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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