SIRI
Sirius XM Holdings Inc. · Communication Services · Broadcasting
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -30.0% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 118 | -7 | 226.93M | $6.66B | +9 | −15 |
| Q1 2026 | 127 | +4 | 212.07M | $4.80B | +15 | −12 |
| Q4 2025 | 124 | -1 | 216.94M | $4.26B | +1 | −1 |
| Q3 2025 | 22 | +1 | 178.61M | $4.16B | +1 | −1 |
| Q2 2025 | 19 | +2 | 176.74M | $4.06B | +3 | −1 |
| Q1 2025 | 14 | 0 | 141.16M | $3.18B | +1 | −1 |
| Q4 2024 | 14 | 0 | 132.43M | $3.02B | +2 | −2 |
| Q3 2024 | 13 | 0 | 120.23M | $2.84B | +3 | −3 |
| Q2 2024 | 13 | — | 191.59M | $542.08M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Berkshire Hathaway ✦ | 105.16M | -20.9% | $2.49B | 0.9% | ▼ Trim | 2 | SEC ↗ |
| 2 | Berkshire Hathaway ✦ | 105.16M | -20.9% | $2.49B | 0.9% | ▼ Trim | 2 | SEC ↗ |
| 3 | Berkshire Hathaway ✦ | 105.16M | -20.9% | $2.49B | 0.9% | ▼ Trim | 2 | SEC ↗ |
| 4 | Berkshire Hathaway ✦ | 105.16M | -20.9% | $2.49B | 0.9% | ▼ Trim | 2 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 3.76M | -73.1% | $88.95M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 3.76M | -73.1% | $88.95M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 2.51M | New | $59.34M | 0.1% | New | 1 | SEC ↗ |
| 8 | Citadel Advisors ✦ | 2.51M | New | $59.34M | 0.1% | New | 1 | SEC ↗ |
| 9 | Norges Bank ✦ (passive) | 2.23M | +121.4% | $52.78M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Marshall Wace ✦ | 1.88M | +47.0% | $44.44M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 11 | Marshall Wace ✦ | 1.88M | +47.0% | $44.44M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 12 | Marshall Wace ✦ | 1.88M | +47.0% | $44.44M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 13 | Arrowstreet Capital ✦ | 1.52M | New | $35.86M | 0.0% | New | 1 | SEC ↗ |
| 14 | Adage Capital Partners ✦ | 1.25M | New | $29.58M | 0.1% | New | 1 | SEC ↗ |
| 15 | Millennium Management ✦ | 624.74K | -96.5% | $14.78M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | Millennium Management ✦ | 624.74K | -96.5% | $14.78M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 17 | GAMCO Investors ✦ | 524.19K | -62.1% | $12.40M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 18 | GAMCO Investors ✦ | 524.19K | -62.1% | $12.40M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 391.70K | -89.9% | $9.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 391.70K | -89.9% | $9.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 391.70K | -89.9% | $9.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 22 | Gotham Asset Management ✦ | 197.94K | -92.5% | $4.68M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 23 | T. Rowe Price ✦ | 141.37K | -59.4% | $3.34M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 24 | D. E. Shaw & Co. ✦ | 46.22K | -99.5% | $1.09M | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Citadel Advisors | $59.34M | 0.1% |
| Citadel Advisors | $59.34M | 0.1% |
| Arrowstreet Capital | $35.86M | 0.0% |
| Adage Capital Partners | $29.58M | 0.1% |
Exited
| Point72 Asset Management | $12.86M | was 0.0% |
| Two Sigma Investments | $5.47M | was 0.0% |
| Fisher Asset Management | $34,628 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 13 holders, 16.59M shares, $21.14M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.