SEC Form 4 · Updated Daily
SIRI
— SIRIUS XM HOLDINGS INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| BERKSHIRE HATHAWAY INC | 10%+ Owner | 124,807,117 | 2025-08-04 | P |
| BUFFETT WARREN E | 10%+ Owner | 124,807,117 | 2025-08-04 | P |
| KARMAZIN MEL | Director · Officer | 7,100,000 | 2012-11-05 | S |
| MAFFEI GREGORY B | Director | 5,385,099 | 2026-08-26 | A |
| CLAYTON JOSEPH P | Director | 3,525,785 | 2008-03-25 | G |
| PARSONS GARY | Director | 3,129,158 | 2008-07-28 | A |
| Cady James Arthur | Officer | 2,638,350 | 2019-03-12 | M |
| COOK STEPHEN | Officer | 1,581,415 | 2019-03-05 | A |
| ZIENTS JEFFREY D | Director | 1,242,000 | 2008-07-28 | A |
| FREAR DAVID J | Officer | 1,168,839 | 2020-08-31 | A |
| Sullivan Sean S | Officer | 1,100,273 | 2023-02-24 | A |
| SHAW JACK A | Director | 838,833 | 2012-12-11 | M |
| WESCHLER, R. TED | Reporting Owner | 747,945 | 2024-09-09 | — |
| Verbrugge Joseph A | Officer | 550,100 | 2024-06-27 | F |
| AMBLE JOAN LORDI | Director | 523,594 | 2021-05-28 | A |
| Thomson Katherine Kohler | Officer | 522,594 | 2017-07-31 | F |
| Rhyu James Jeaho | Officer | 507,581 | 2008-12-23 | P |
| Altman Dara F | Officer | 441,827 | 2022-05-31 | F |
| Witz Jennifer C | Director · Officer | 382,012 | 2026-08-26 | A |
| Coughlin Zachary | Officer | 299,422 | 2026-08-26 | A |
| Rodriguez Enrique | Officer | 270,636 | 2013-08-15 | A |
| Thorsen Wayne | Officer | 214,557 | 2026-05-27 | A |
| MOONEY JAMES | Director | 207,087 | 2021-05-28 | A |
| Mothner Eve | Officer | 174,503 | 2026-08-26 | A |
| BARRY THOMAS D | Officer | 163,571 | 2025-11-21 | A |
| GILBERTI LAWRENCE F | Director | 146,710 | 2010-06-15 | S |
| BAER RICHARD N | Officer | 144,015 | 2025-11-21 | A |
| WITTMAN VANESSA AMES | Director | 118,680 | 2018-05-31 | A |
| Carleton Mark D | Director | 109,568 | 2021-05-28 | A |
| Bodenheimer George Ward | Director | 109,353 | 2020-08-31 | A |
| MEYER JAMES E | Director | 106,947 | 2025-02-25 | A |
| LIEBERFARB WARREN N | Director | 85,397 | 2006-05-24 | A |
| MCGUINESS MICHAEL | Director | 78,772 | 2006-05-24 | A |
| Inzerillo Joseph A | Officer | 76,706 | 2024-11-21 | A |
| DONNELLY PATRICK L | Officer | 72,142 | 2025-01-31 | A |
| BLACK LEON D | Director | 47,425 | 2006-05-24 | A |
| MALONE EVAN DANIEL | Director | 44,306 | 2026-08-26 | A |
| Rapino Michael | Director · Officer | 41,136 | 2026-08-26 | A |
| HARTENSTEIN EDDY W | Director | 37,117 | 2026-09-09 | G |
| Zaslav David | Director | 35,465 | 2026-08-26 | A |
| Salen Kristina | Director | 22,992 | 2026-08-26 | A |
| Greenstein Scott Andrew | Officer | 20,340 | 2026-08-26 | A |
| Procope Jonelle | Director | 18,414 | 2026-08-26 | A |
| Sud Anjali | Director | 16,204 | 2026-08-26 | A |
| Calderone Adrienne Elizabeth | Officer | 15,918 | 2009-02-19 | S |
| Stephenson Dave | Director | 12,737 | 2026-08-26 | A |
| Bates Anthony John | Director | 6,410 | 2015-05-20 | A |
| Mendel John W | Director | 400 | 2008-07-28 | — |
| Hickenlooper Robin S | Director | 0 | 2024-09-09 | D |
| HOLDEN JAMES P | Director | 0 | 2024-09-09 | D |
| VOGEL CARL E | Director | 0 | 2024-09-09 | D |
| Blau David Adam | Director | 0 | 2024-09-09 | D |
| Liberty Sirius XM Holdings Inc. | 10%+ Owner · Director | 0 | 2024-09-09 | J |
| Starz | 10%+ Owner · Director | 0 | 2013-01-11 | J |
| Liberty Media Corp | 10%+ Owner | 0 | 2024-09-09 | J |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-09 | HARTENSTEIN EDDY W | Gift | 8,193 | $0.00 | 37,117 |
| 2026-09-09 | HARTENSTEIN EDDY W | Gift | 8,193 | $0.00 | 6,835 |
| 2026-08-26 | Coughlin Zachary | Grant / award | 2,621 | $0.00 | 299,422 |
| 2026-08-26 | Greenstein Scott Andrew | Grant / award | 177 | $0.00 | 20,340 |
| 2026-08-26 | HARTENSTEIN EDDY W | Grant / award | 60 | $0.00 | 15,028 |
| 2026-08-26 | MAFFEI GREGORY B | Grant / award | 60 | $0.00 | 5,385,099 |
| 2026-08-26 | Rapino Michael | Grant / award | 60 | $0.00 | 41,136 |
| 2026-08-26 | Salen Kristina | Grant / award | 60 | $0.00 | 22,992 |
| 2026-08-26 | MALONE EVAN DANIEL | Grant / award | 60 | $0.00 | 44,306 |
| 2026-08-26 | Mothner Eve | Grant / award | 1,528 | $0.00 | 174,503 |
| 2026-08-26 | Stephenson Dave | Grant / award | 60 | $0.00 | 12,737 |
| 2026-08-26 | Procope Jonelle | Grant / award | 60 | $0.00 | 18,414 |
| 2026-08-26 | Sud Anjali | Grant / award | 60 | $0.00 | 16,204 |
| 2026-08-26 | Witz Jennifer C | Grant / award | 1,419 | $0.00 | 382,012 |
| 2026-08-26 | Zaslav David | Grant / award | 60 | $0.00 | 35,465 |
| 2026-08-06 | Procope Jonelle | Open-market sale | 16,672 | $29.97 | 18,354 |
| 2026-07-13 | HARTENSTEIN EDDY W | Gift | 6,688 | $0.00 | 28,924 |
| 2026-07-13 | HARTENSTEIN EDDY W | Gift | 6,688 | $0.00 | 14,968 |
| 2026-05-29 | HARTENSTEIN EDDY W | Grant / award | 6,775 | $0.00 | 21,656 |
| 2026-05-29 | MAFFEI GREGORY B | Grant / award | 6,775 | $0.00 | 5,385,039 |
| 2026-05-29 | MALONE EVAN DANIEL | Grant / award | 6,775 | $0.00 | 44,246 |
| 2026-05-29 | Procope Jonelle | Grant / award | 6,775 | $0.00 | 35,026 |
| 2026-05-29 | Rapino Michael | Grant / award | 6,775 | $0.00 | 41,076 |
| 2026-05-29 | Salen Kristina | Open-market sale | 4,097 | $29.57 | 22,932 |
| 2026-05-29 | Salen Kristina | Grant / award | 6,775 | $0.00 | 27,029 |
| 2026-05-29 | Stephenson Dave | Grant / award | 6,775 | $0.00 | 12,677 |
| 2026-05-29 | Sud Anjali | Grant / award | 6,775 | $0.00 | 16,144 |
| 2026-05-29 | Zaslav David | Grant / award | 6,775 | $0.00 | 35,405 |
| 2026-05-27 | Coughlin Zachary | Grant / award | 3,018 | $0.00 | 296,801 |
| 2026-05-27 | HARTENSTEIN EDDY W | Grant / award | 83 | $0.00 | 14,881 |
| 2026-05-27 | MAFFEI GREGORY B | Grant / award | 83 | $0.00 | 5,378,264 |
| 2026-05-27 | MALONE EVAN DANIEL | Grant / award | 83 | $0.00 | 37,471 |
| 2026-05-27 | Procope Jonelle | Grant / award | 83 | $0.00 | 28,251 |
| 2026-05-27 | Rapino Michael | Grant / award | 83 | $0.00 | 34,301 |
| 2026-05-27 | Mothner Eve | Grant / award | 1,759 | $0.00 | 172,975 |
| 2026-05-27 | Salen Kristina | Grant / award | 83 | $0.00 | 20,254 |
| 2026-05-27 | Stephenson Dave | Grant / award | 56 | $0.00 | 5,902 |
| 2026-05-27 | Sud Anjali | Grant / award | 83 | $0.00 | 9,369 |
| 2026-05-27 | Thorsen Wayne | Grant / award | 1,871 | $0.00 | 214,557 |
| 2026-05-27 | Witz Jennifer C | Grant / award | 1,635 | $0.00 | 380,593 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.