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Warren Buffett's Berkshire Increases Indirect SIRI Stake to 124.8M Shares

Filing Impact
(Very High)
Filing Sentiment
(Very Positive)
Form Type
4

Rhea-AI Filing Summary

Form 4 summary: Berkshire Hathaway Inc. (reporting persons include Warren E. Buffett) reported purchases of Sirius XM Holdings Inc. (SIRI) common stock across four transactions from 07/31/2025 to 08/04/2025. The reporting persons acquired a total of 5,030,425 shares in the reported transactions at weighted-average prices shown per tranche ($21.0436, $21.4305, $21.0228, $21.6252). Following the Aug 4, 2025 transaction, indirect beneficial ownership is reported as 124,807,117 shares.

Ownership detail: As of Aug 4, 2025, 108,822,227 shares are held by Berkshire subsidiaries (Government Employees Insurance Company, National Fire & Marine Insurance Company, National Indemnity Company) and 15,984,890 shares are held by specified pension plans. The Form 4 is signed by Warren E. Buffett on behalf of the reporting persons on 08/04/2025.

Positive

  • Material insider purchases: Total of 5,030,425 SIRI shares acquired across 07/31/2025–08/04/2025.
  • Increased indirect stake: Indirect beneficial ownership reported at 124,807,117 shares following the Aug 4, 2025 transaction.
  • Subsidiary and pension holdings disclosed: 108,822,227 shares held by Berkshire subsidiaries and 15,984,890 by pension plans, providing clear attribution.

Negative

  • None.

Insights

TL;DR: Large insider purchases totaling 5.03M SIRI shares at ~ $21 increase Berkshire's indirect stake to 124.8M shares.

These reported purchases — 1,977,837; 85,389; 1,930,000; and 1,037,199 shares on 07/31/2025, 07/31/2025, 08/01/2025 and 08/04/2025 respectively — total 5,030,425 shares acquired at weighted-average tranche prices of $21.0436, $21.4305, $21.0228, and $21.6252. The filings show indirect ownership rising to 124,807,117 shares as of Aug 4, 2025. For investors, concentrated purchases by Berkshire-affiliated entities can signal incremental demand and conviction; the absolute scale (over 124M indirect shares) is material to ownership disclosure.

TL;DR: Significant acquisitions are reported but many shares are held indirectly and Buffett disclaimers limit direct beneficial-ownership implications.

The Form 4 discloses that 108,822,227 shares are owned by Berkshire subsidiaries and 15,984,890 by pension plans. Warren E. Buffett "disclaims beneficial ownership" except to the extent of his pecuniary interest. That legal disclaimer and the indirect ownership structure moderate the governance signal; filings document activity but do not establish direct, sole personal control of the purchased shares by Mr. Buffett.

Insider BERKSHIRE HATHAWAY INC, BUFFETT WARREN E
Role 10% Owner | 10% Owner
Bought 5,030,425 shs ($106.45M)
Type Security Shares Price Value
Purchase Common Stock 1,037,199 $21.6252 $22.43M
Purchase Common Stock 1,930,000 $21.0228 $40.57M
Purchase Common Stock 1,977,837 $21.0436 $41.62M
Purchase Common Stock 85,389 $21.4305 $1.83M
Holdings After Transaction: Common Stock — 124,807,117 shares (Indirect, See footnotes)
Footnotes (1)
  1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $20.3600 to $21.3550. The Reporting Persons undertake to provide Sirius XM Holdings Inc. (formerly known as Liberty Sirius XM Holdings Inc., "Sirius XM Holdings"), any security holder of Sirius XM Holdings, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote 1 to this Form 4. 108,822,227 of the total reported securities are owned as of August 4, 2025 by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (101,150,646), National Fire & Marine Insurance Company (1,326,491) and National Indemnity Company (6,345,090). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. 15,984,890 of the total reported securities are owned as of August 4, 2025 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (10,556,408), BNSF Master Retirement Trust (3,308,255), Precision CastParts Corp Master Trust (1,952,727) and Scott Fetzer Collective Investment Trust (167,500). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $21.3600 to $21.5000. The Reporting Persons undertake to provide Sirius XM Holdings, any security holder of Sirius XM Holdings, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote 4 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $20.7850 to $21.2900. The Reporting Persons undertake to provide Sirius XM Holdings, any security holder of Sirius XM Holdings, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote 5 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $21.3100 to $21.8200. The Reporting Persons undertake to provide Sirius XM Holdings, any security holder of Sirius XM Holdings, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote 6 to this Form 4.
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
BERKSHIRE HATHAWAY INC
(Last) (First) (Middle)
3555 FARNAM STREET
(Street)
OMAHA NE 68131
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
SIRIUS XM HOLDINGS INC. [ SIRI ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
07/31/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X 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. 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 07/31/2025 P 1,977,837 A $21.0436(1) 121,754,529 I See footnotes(2)(3)
Common Stock 07/31/2025 P 85,389 A $21.4305(4) 121,839,918 I See footnotes(2)(3)
Common Stock 08/01/2025 P 1,930,000 A $21.0228(5) 123,769,918 I See footnotes(2)(3)
Common Stock 08/04/2025 P 1,037,199 A $21.6252(6) 124,807,117 I See footnotes(2)(3)
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 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: 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
1. Name and Address of Reporting Person*
BERKSHIRE HATHAWAY INC
(Last) (First) (Middle)
3555 FARNAM STREET
(Street)
OMAHA NE 68131
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
BUFFETT WARREN E
(Last) (First) (Middle)
3555 FARNAM STREET
(Street)
OMAHA NE 68131
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $20.3600 to $21.3550. The Reporting Persons undertake to provide Sirius XM Holdings Inc. (formerly known as Liberty Sirius XM Holdings Inc., "Sirius XM Holdings"), any security holder of Sirius XM Holdings, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote 1 to this Form 4.
2. 108,822,227 of the total reported securities are owned as of August 4, 2025 by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (101,150,646), National Fire & Marine Insurance Company (1,326,491) and National Indemnity Company (6,345,090). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.
3. 15,984,890 of the total reported securities are owned as of August 4, 2025 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (10,556,408), BNSF Master Retirement Trust (3,308,255), Precision CastParts Corp Master Trust (1,952,727) and Scott Fetzer Collective Investment Trust (167,500). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.
4. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $21.3600 to $21.5000. The Reporting Persons undertake to provide Sirius XM Holdings, any security holder of Sirius XM Holdings, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote 4 to this Form 4.
5. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $20.7850 to $21.2900. The Reporting Persons undertake to provide Sirius XM Holdings, any security holder of Sirius XM Holdings, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote 5 to this Form 4.
6. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $21.3100 to $21.8200. The Reporting Persons undertake to provide Sirius XM Holdings, any security holder of Sirius XM Holdings, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote 6 to this Form 4.
/s/ Warren E. Buffett, on behalf of himself and each other reporting person hereunder 08/04/2025
** 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 Number.

Source: View Original Filing on SEC EDGAR

FAQ

How many SIRI shares did Berkshire/Buffett acquire in this Form 4?

The reporting persons acquired a total of 5,030,425 shares of Sirius XM common stock across the reported transactions.

On what dates were the SIRI purchases reported?

Transactions are reported on 07/31/2025 (two tranches), 08/01/2025, and 08/04/2025.

What were the reported prices for the SIRI purchases?

Weighted-average prices per reported tranche are $21.0436, $21.4305, $21.0228, and $21.6252 respectively; footnotes list price ranges per tranche.

What is Berkshire's reported total indirect ownership of SIRI after these transactions?

The Form 4 reports indirect beneficial ownership of 124,807,117 shares as of the Aug 4, 2025 filing.

Which Berkshire entities hold SIRI shares and how many?

As of Aug 4, 2025, subsidiaries hold 108,822,227 shares (Government Employees Insurance Company, National Fire & Marine Insurance Company, National Indemnity Company) and specified pension plans hold 15,984,890 shares.

Did Warren Buffett claim direct beneficial ownership of the reported shares?

The filing states Mr. Buffett "disclaims beneficial ownership" of the reported securities except to the extent of his pecuniary interest.