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 *

MOONEY JAMES 		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)

5/22/2018
(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   5/22/2018     M    61634.0000   A $3.1550   182710.0000   D    
Common Stock   5/22/2018     M    57596.0000   A $1.9100   240306.0000   D    
Common Stock   5/22/2018     M    57075.0000   A $3.9000   297381.0000   D    
Common Stock   5/22/2018     M    49059.0000   A $3.5150   346440.0000   D    
Common Stock   5/22/2018     M    29952.0000   A $2.2750   376392.0000   D    
Common Stock   5/22/2018     M    25503.0000   A $0.9494   401895.0000   D    
Common Stock   5/22/2018     M    19875.0000   A $3.9600   421770.0000   D    
Common Stock   5/22/2018     M    12200.0000   A $4.8600   433970.0000   D    
Common Stock   5/22/2018     F    133029.0000   D $6.9900   (1) 300941.0000   D    
Common Stock   5/22/2018     S    179865.0000   D $6.9432   (2) 121076.0000   D    
Common Stock                  9100.0000   I   By Custodian For Child  

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)   $4.8600   5/22/2018     M         12200.0000    5/19/2018   5/19/2027   Common Stock   12200.0000   $4.8600   24400.0000   D    
Stock Option (Right to Buy)   $3.1550   5/22/2018     M         61634.0000    5/20/2015   5/20/2024   Common Stock   61634.0000   $3.1550   0.0000   D    
Stock Option (Right to Buy)   $3.9000   5/22/2018     M         57075.0000    5/20/2016   5/20/2025   Common Stock   57075.0000   $3.9000   19025.0000   D    
Stock Option (Right to Buy)   $3.5150   5/22/2018     M         49059.0000    5/22/2014   5/22/2023   Common Stock   49059.0000   $3.5150   0.0000   D    
Stock Option (Right to Buy)   $1.9100   5/22/2018     M         57596.0000    5/23/2013   5/23/2022   Common Stock   57596.0000   $1.9100   0.0000   D    
Stock Option (Right to Buy)   $3.9600   5/22/2018     M         19875.0000    5/25/2017   5/25/2026   Common Stock   19875.0000   $3.9600   59625.0000   D    
Stock Option (Right to Buy)   $2.2750   5/22/2018     M         29952.0000    5/26/2012   5/26/2021   Common Stock   29952.0000   $2.2750   0.0000   D    
Stock Option (Right to Buy)   $0.9494   5/22/2018     M         25503.0000    5/27/2011   5/27/2020   Common Stock   25503.0000   $0.9494   0.0000   D    

Explanation of Responses:
(1)  Represents the exercise price of the stock options 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.
(2)  Represents the weighted average sales price for the price increments ranging from $6.93 to $6.95. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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



Signatures
/s/Patrick L. Donnelly, attorney in fact 5/23/2018
** 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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