Sirius XM Holdings Inc.
SIRI- Exchange
- Nasdaq
- Industry
- Radio Broadcasting Stations
- SEC CIK
- 0000908937
In the last 90 days, Sirius XM Holdings Inc. insiders filed 0 open-market purchases and 1 sale; 602 institutions reported holding it in 13F filings for Q2 2026, worth $8.33B in total; 3 superinvestors hold it, including Berkshire Hathaway and Weitz Investment Management.
13F holders, Q1 2026
Institutional positions in Sirius XM Holdings Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 561
- +55 vs. Q4 2025
- Shares held
- 259.1M
- +31.4M (+13.8%) vs. Q4 2025
- Total value
- $5.98B
- +$1.43B (+31.3%) vs. Q4 2025
- New holders
- 121
- 186 more added
- Sold out
- 66
- 115 more reduced
10 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SIRI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 602 | $8.33B |
| Q1 2026 | 561 | $5.98B |
| Q4 2025 | 516 | $4.99B |
| Q3 2025 | 544 | $5.66B |
| Q2 2025 | 550 | $5.65B |
| Q1 2025 | 554 | $5.62B |
| Q4 2024 | 555 | $5.80B |
| Q3 2024 | 509 | $5.84B |
| Q2 2024 | 565 | $1.25B |
| Q1 2024 | 629 | $1.41B |
| Q4 2023 | 648 | $2.24B |
| Q3 2023 | 610 | $1.80B |
| Q2 2023 | 610 | $1.84B |
| Q1 2023 | 643 | $1.62B |
| Q4 2022 | 669 | $2.33B |
| Q3 2022 | 635 | $2.28B |
| Q2 2022 | 631 | $2.54B |
| Q1 2022 | 638 | $2.99B |
| Q4 2021 | 642 | $2.96B |
| Q3 2021 | 618 | $3.11B |
| Q2 2021 | 607 | $3.62B |
| Q1 2021 | 625 | $3.51B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Sirius XM Holdings Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Gamco Investors, Inc. Et Al | 403,959 | $9.32M | 0.09% | −20,280−4.8% | Reduced |
| Chou Associates Management Inc.SuperinvestorChou Associates | 409,589 | $9.45M | 4.50% | 00.0% | Unchanged |
| CastleKnight Management LP | 413,700 | $9.55M | 0.45% | +274,700+197.6% | Added |
| swisspartners Advisors Ltd | 419,336 | $9.62M | 6.05% | +29,360+7.5% | Added |
| Readystate Asset Management LP | 439,294 | $10.1M | 0.59% | −126,329−22.3% | Reduced |
| BNP Paribas Arbitrage, SA | 449,827 | $10.4M | 0.01% | +304,841+210.3% | Added |
| Gabelli Funds LLC | 452,758 | $10.4M | 0.07% | −82,124−15.4% | Reduced |
| Advisors Asset Management, Inc. | 452,870 | $10.5M | 0.17% | −850.0% | Reduced |
| PDT Partners, LLC | 475,186 | $11.0M | 0.65% | +475,186 | New |
| Millennium Management LLC | 509,053 | $11.7M | 0.01% | +265,218+108.8% | Added |
| Capital Management Corp | 530,536 | $12.2M | 2.09% | +16,837+3.3% | Added |
| S&CO Inc | 581,427 | $13.4M | 0.83% | −120,015−17.1% | Reduced |
| Bislett Management, LLC | 600,000 | $13.8M | 10.68% | 00.0% | Unchanged |
| Jane Street Group, LLC | 609,494 | $14.1M | 0.02% | +335,100+122.1% | Added |
| UBS Asset Management Americas Inc | 614,562 | $14.2M | 0.00% | +8,762+1.4% | Added |
| Panagora Asset Management Inc | 650,212 | $15.0M | 0.06% | +650,212 | New |
| Hi-Line Capital Management, LLC | 667,677 | $15.4M | 4.84% | +115,630+20.9% | Added |
| Bank of America Corp | 668,355 | $15.4M | 0.00% | −4,551−0.7% | Reduced |
| Prudential Financial Inc | 691,237 | $16.0M | 0.02% | +591,361+592.1% | Added |
| Empyrean Capital Partners, LP | 692,775 | $16.0M | 0.53% | 00.0% | Unchanged |
| Barclays PLC | 720,775 | $16.6M | 0.01% | +145,078+25.2% | Added |
| Allianz Asset Management GmbH | 809,069 | $18.7M | 0.02% | +328,641+68.4% | Added |
| Penserra Capital Management LLC | 815,137 | $18.8M | 0.22% | +432,214+112.9% | Added |
| Susquehanna International Group, LLP | 899,785 | $20.8M | 0.03% | −479,842−34.8% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 901,000 | $20.8M | 0.03% | +901,000 | New |
| JPMorgan Chase & Co | 955,854 | $21.8M | 0.00% | +277,827+41.0% | Added |
| First Trust Advisors LP | 952,013 | $22.0M | 0.02% | +578,103+154.6% | Added |
| Raymond James Financial Inc | 953,340 | $22.0M | 0.01% | +50,091+5.5% | Added |
| Northern Trust Corp | 1,096,087 | $25.3M | 0.00% | +46,395+4.4% | Added |
| Wittenberg Investment Management, Inc. | 1,107,416 | $25.6M | 9.50% | +15,085+1.4% | Added |
| Vanguard Fiduciary Trust Co | 1,161,228 | $26.8M | 0.01% | +1,161,228 | New |
| HBK Investments L P | 1,164,203 | $26.9M | 0.34% | −520,801−30.9% | Reduced |
| UBS Group AG | 1,180,876 | $27.3M | 0.00% | −343,919−22.6% | Reduced |
| Toroso Investments, LLC | 1,208,449 | $27.9M | 0.09% | −25,008−2.0% | Reduced |
| Gotham Asset Management, LLC | 1,238,571 | $28.6M | 0.09% | +395,206+46.9% | Added |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 1,293,000 | $29.8M | 2.08% | −91,000−6.6% | Reduced |
| Private Management Group Inc | 1,352,602 | $31.2M | 0.90% | +6,419+0.5% | Added |
| HRT Financial LP | 1,565,725 | $36.1M | 0.09% | +1,522,526+3,524.4% | Added |
| Charles Schwab Investment Management Inc | 1,740,191 | $40.2M | 0.01% | +112,961+6.9% | Added |
| Two Sigma Investments, LP | 1,777,219 | $41.0M | 0.03% | −741,568−29.4% | Reduced |
| HSBC Holdings PLC | 1,795,954 | $41.6M | 0.02% | −280,585−13.5% | Reduced |
| Seizert Capital Partners, LLC | 1,840,822 | $42.5M | 1.96% | −59,330−3.1% | Reduced |
| Morgan Stanley | 2,156,763 | $49.8M | 0.00% | +445,076+26.0% | Added |
| Bank of New York Mellon Corp | 2,177,761 | $50.3M | 0.01% | +157,860+7.8% | Added |
| Ameriprise Financial Inc | 2,414,999 | $55.7M | 0.01% | +39,269+1.7% | Added |
| Thompson Siegel & Walmsley LLC | 2,564,565 | $59.2M | 1.05% | +251,218+10.9% | Added |
| Gates Capital Management, Inc. | 2,742,359 | $63.3M | 2.18% | +2,742,359 | New |
| Check Capital Management Inc | 2,942,595 | $67.9M | 4.19% | +59,095+2.0% | Added |
| AQR Capital Management LLC | 2,988,907 | $68.3M | 0.03% | +1,538,960+106.1% | Added |
| LSV Asset Management | 3,219,977 | $74.3M | 0.16% | +146,777+4.8% | Added |
| Citadel Advisors LLC | 3,261,642 | $75.3M | 0.05% | +2,471,334+312.7% | Added |
| State Street Corp | 3,547,616 | $81.9M | 0.00% | +60,201+1.7% | Added |
| Geode Capital Management, LLC | 3,706,711 | $85.6M | 0.01% | +17,524+0.5% | Added |
| Canada Pension Plan Investment Board | 3,860,924 | $89.1M | 0.06% | +1,985,644+105.9% | Added |
| Goldman Sachs Group Inc | 3,913,128 | $90.3M | 0.01% | +637,531+19.5% | Added |
| Kontiki Capital Management (HK) Ltd. | 5,696,724 | $131.5M | 9.22% | −271,300−4.5% | Reduced |
| Dimensional Fund Advisors LP | 6,301,181 | $145.4M | 0.03% | +4,560,821+262.1% | Added |
| Vanguard Capital Management LLC | 8,303,630 | $191.6M | 0.00% | +8,303,630 | New |
| Vanguard Portfolio Management LLC | 8,704,748 | $200.9M | 0.01% | +8,704,748 | New |
| BlackRock, Inc. | 9,625,184 | $222.1M | 0.00% | −425,719−4.2% | Reduced |
| Berkshire Hathaway IncSuperinvestorBerkshire Hathaway | 124,807,117 | $2.88B | 1.09% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −1,727,827−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −973,804−100.0% | Sold out |
| J. Goldman & Co LP | 0 | $0 | 0.00% | −710,364−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −620,000−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −236,149−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −137,995−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −84,210−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −81,636−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −70,074−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −63,731−100.0% | Sold out |
| Doma Perpetual Capital Management LLC | 0 | $0 | 0.00% | −63,712−100.0% | Sold out |
| Unifi Asset Management LP | 0 | $0 | 0.00% | −59,833−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −48,166−100.0% | Sold out |
| Aristeia Capital LLC | 0 | $0 | 0.00% | −42,753−100.0% | Sold out |
| Havemeyer Place LP | 0 | $0 | 0.00% | −38,100−100.0% | Sold out |
| Picton Mahoney Asset Management | 0 | $0 | 0.00% | −37,557−100.0% | Sold out |
| Deuterium Capital Management, LLC | 0 | $0 | 0.00% | −29,312−100.0% | Sold out |
| Keebeck Wealth Management, LLC | 0 | $0 | 0.00% | −28,000−100.0% | Sold out |
| Limestone Investment Advisors LP | 0 | $0 | 0.00% | −27,298−100.0% | Sold out |
| Vestcor Inc | 0 | $0 | 0.00% | −25,673−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Arkadios Wealth Advisors | 0 | $0 | 0.00% | −24,755−100.0% | Sold out |
| Capital CS Group, LLC | 0 | $0 | 0.00% | −23,802−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −23,533−100.0% | Sold out |
| Ionic Capital Management LLC | 0 | $0 | 0.00% | −22,500−100.0% | Sold out |
| Lipe & Dalton | 0 | $0 | 0.00% | −19,525−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −19,173−100.0% | Sold out |
| Gabelli & Co Investment Advisers, Inc. | 0 | $0 | 0.00% | −17,454−100.0% | Sold out |
| Quadrant Private Wealth Management, LLC | 0 | $0 | 0.00% | −17,110−100.0% | Sold out |
| Supplemental Annuity Collective Trust of NJ | 0 | $0 | 0.00% | −14,658−100.0% | Sold out |
| Canandaigua National Trust Co of Florida | 0 | $0 | 0.00% | −12,967−100.0% | Sold out |
| Sage Investment Counsel LLC | 0 | $0 | 0.00% | −11,142−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −10,926−100.0% | Sold out |
| Clear Harbor Asset Management, LLC | 0 | $0 | 0.00% | −10,540−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −10,444−100.0% | Sold out |
| M Holdings Securities, Inc. | 0 | $0 | 0.00% | −10,375−100.0% | Sold out |
| Marathon Trading Investment Management LLC | 0 | $0 | 0.00% | −7,294−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −6,238−100.0% | Sold out |