| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BERKSHIRE HATHAWAY INC | 37% | $2,904,885,648 | 124,807,117 | Warren E. Buffett | 30 Sep 2025 | |||
| BUFFETT WARREN E | 35% | $2,552,592,091 | 117,468,573 | Warren E. Buffett | 31 Dec 2024 | |||
| VANGUARD GROUP INC | 5.8% | $429,056,720 | 19,744,902 | The Vanguard Group | 31 Mar 2025 |
As of 31 Dec 2025, 493 institutional investors reported holding 245,195,330 shares of SIRIUS XM HOLDINGS INC. - Common Stock, par value $0.01 per share (SIRI). This represents 73% of the company’s total 336,407,323 outstanding shares.
The largest institutional shareholders of SIRIUS XM HOLDINGS INC. - Common Stock, par value $0.01 per share (SIRI) together control 62% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Berkshire Hathaway Inc | 37% | 124,807,117 | 0% | 0.91% | $2,495,518,305 |
| VANGUARD GROUP INC | 5.4% | 18,320,515 | -1.9% | 0.01% | $366,318,697 |
| BlackRock, Inc. | 3% | 10,050,903 | +16% | 0% | $200,967,810 |
| Kontiki Capital Management (HK) Ltd. | 1.8% | 5,968,024 | -10% | 6.9% | $119,330,640 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1% | 3,689,187 | -4.3% | 0% | $73,817,474 |
| STATE STREET CORP | 1% | 3,487,415 | +0.75% | 0% | $69,730,864 |
| D. E. Shaw & Co., Inc. | 0.98% | 3,306,242 | -11% | 0.05% | $66,108,309 |
| GOLDMAN SACHS GROUP INC | 0.97% | 3,275,597 | +156% | 0.01% | $65,495,568 |
| LSV ASSET MANAGEMENT | 0.91% | 3,073,200 | -2.2% | 0.13% | $61,449,000 |
| CHECK CAPITAL MANAGEMENT INC/CA | 0.86% | 2,883,500 | +40% | 3.4% | $57,655,582 |
| NORGES BANK | 0.85% | 2,856,916 | 0.01% | $57,124,035 | |
| TWO SIGMA INVESTMENTS, LP | 0.75% | 2,518,787 | +30% | 0.08% | $50,363,146 |
| AMERIPRISE FINANCIAL INC | 0.71% | 2,375,730 | -9.8% | 0.01% | $47,502,728 |
| THOMPSON SIEGEL & WALMSLEY LLC | 0.69% | 2,313,347 | -5.3% | 0.78% | $46,255,000 |
| Bank of New York Mellon Corp | 0.6% | 2,019,901 | +254% | 0.01% | $40,387,912 |
| SEIZERT CAPITAL PARTNERS, LLC | 0.56% | 1,900,152 | -3.1% | 1.6% | $37,993,540 |
| CANADA PENSION PLAN INVESTMENT BOARD | 0.56% | 1,875,280 | +15% | 0.03% | $37,496,224 |
| DIMENSIONAL FUND ADVISORS LP | 0.52% | 1,740,360 | +434% | 0.01% | $34,798,499 |
| MORGAN STANLEY | 0.51% | 1,711,686 | -21% | 0% | $34,225,166 |
| HBK INVESTMENTS L P | 0.5% | 1,685,004 | 0.36% | $33,691,655 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.48% | 1,627,230 | +10% | 0.01% | $32,536,471 |
| UBS Group AG | 0.45% | 1,524,795 | +37% | 0.01% | $30,488,276 |
| AQR CAPITAL MANAGEMENT LLC | 0.43% | 1,449,947 | -48% | 0.02% | $28,991,692 |
| WEITZ INVESTMENT MANAGEMENT, INC. | 0.41% | 1,384,000 | 0% | 1.6% | $27,673,080 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.41% | 1,379,627 | +113% | 0.04% | $27,585,642 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 245,195,330 | $4,902,860,153 | +$47,055,676 | $20.00 | 493 |
| 2025 Q3 | 242,862,971 | $5,651,038,342 | -$65,922,393 | $23.28 | 533 |
| 2025 Q2 | 245,834,637 | $5,645,184,438 | +$72,956,429 | $22.97 | 538 |
| 2025 Q1 | 247,417,672 | $5,576,412,386 | -$154,801,273 | $22.54 | 541 |
| 2024 Q4 | 254,232,221 | $5,796,369,996 | +$140,670,313 | $22.80 | 541 |
| 2024 Q3 | 245,992,440 | $5,825,067,060 | +$5,587,786,215 | $23.65 | 484 |