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

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
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 (Month/Day/Year)
05/22/2018
(Street)

NEW YORK, NY 10104		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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 05/22/2018   M   61,634 A $ 3.155 182,710 D  
Common Stock 05/22/2018   M   57,596 A $ 1.91 240,306 D  
Common Stock 05/22/2018   M   57,075 A $ 3.9 297,381 D  
Common Stock 05/22/2018   M   49,059 A $ 3.515 346,440 D  
Common Stock 05/22/2018   M   29,952 A $ 2.275 376,392 D  
Common Stock 05/22/2018   M   25,503 A $ 0.9494 401,895 D  
Common Stock 05/22/2018   M   19,875 A $ 3.96 421,770 D  
Common Stock 05/22/2018   M   12,200 A $ 4.86 433,970 D  
Common Stock 05/22/2018   F   133,029 D $ 6.99 (1) 300,941 D  
Common Stock 05/22/2018   S   179,865 D $ 6.9432 (2) 121,076 D  
Common Stock               9,100 I By Custodian For Child

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction 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
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(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) $ 4.86 05/22/2018   M     12,200 05/19/2018 05/19/2027 Common Stock 12,200 $ 4.86 24,400 D  
Stock Option (Right to Buy) $ 3.155 05/22/2018   M     61,634 05/20/2015 05/20/2024 Common Stock 61,634 $ 3.155 0 D  
Stock Option (Right to Buy) $ 3.9 05/22/2018   M     57,075 05/20/2016 05/20/2025 Common Stock 57,075 $ 3.9 19,025 D  
Stock Option (Right to Buy) $ 3.515 05/22/2018   M     49,059 05/22/2014 05/22/2023 Common Stock 49,059 $ 3.515 0 D  
Stock Option (Right to Buy) $ 1.91 05/22/2018   M     57,596 05/23/2013 05/23/2022 Common Stock 57,596 $ 1.91 0 D  
Stock Option (Right to Buy) $ 3.96 05/22/2018   M     19,875 05/25/2017 05/25/2026 Common Stock 19,875 $ 3.96 59,625 D  
Stock Option (Right to Buy) $ 2.275 05/22/2018   M     29,952 05/26/2012 05/26/2021 Common Stock 29,952 $ 2.275 0 D  
Stock Option (Right to Buy) $ 0.9494 05/22/2018   M     25,503 05/27/2011 05/27/2020 Common Stock 25,503 $ 0.9494 0 D  

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   05/23/2018
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(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.

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