Security record · archived quarter
SMMT
Summit Therapeutics Inc. · Healthcare · Biotechnology
14Tracked holders
0Δ holders
38.14MShares held
$811.62MReported value
+1New positions
−1Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -11.4% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 86 | +5 | 84.29M | $1.23B | +8 | −2 |
| Q1 2026 | 82 | +1 | 68.40M | $1.29B | +10 | −10 |
| Q4 2025 | 81 | 0 | 72.69M | $1.27B | +1 | — |
| Q3 2025 | 15 | -1 | 45.07M | $931.26M | +1 | −3 |
| Q2 2025 | 14 | 0 | 38.14M | $811.62M | +1 | −1 |
| Q1 2025 | 11 | +1 | 18.29M | $352.78M | +1 | — |
| Q4 2024 | 10 | +1 | 17.85M | $318.58M | +1 | — |
| Q3 2024 | 8 | 0 | 10.94M | $239.67M | +1 | −1 |
| Q2 2024 | 8 | — | 7.47M | $58.27M | — | — |
Who holds it · Q2 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 9.23M | — | $196.34M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Fidelity (FMR) ✦ | 9.23M | — | $196.34M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Fidelity (FMR) ✦ | 9.23M | — | $196.34M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 9.23M | — | $196.34M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | The Vanguard Group ✦ (passive) | 8.67M | — | $184.58M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | The Vanguard Group ✦ (passive) | 8.67M | — | $184.58M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | The Vanguard Group ✦ (passive) | 8.67M | — | $184.58M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | The Vanguard Group ✦ (passive) | 8.67M | — | $184.58M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 6.85M | — | $145.70M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 6.85M | — | $145.70M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 6.85M | — | $145.70M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 6.85M | — | $145.70M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 6.85M | — | $145.70M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 6.85M | — | $145.70M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 6.85M | — | $145.70M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 6.85M | — | $145.70M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 6.85M | — | $145.70M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 6.85M | — | $145.70M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 6.85M | — | $145.70M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 6.85M | — | $145.70M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | State Street Global Advisors ✦ (passive) | 4.02M | -17.2% | $85.50M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 22 | T. Rowe Price ✦ | 3.91M | -40.5% | $83.10M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 23 | T. Rowe Price ✦ | 3.91M | -40.5% | $83.10M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 24 | Geode Capital Management ✦ (passive) | 2.93M | -10.7% | $62.47M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 25 | Geode Capital Management ✦ (passive) | 2.93M | -10.7% | $62.47M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 26 | Norges Bank ✦ (passive) | 1.39M | +36.5% | $29.58M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 27 | Millennium Management ✦ | 556.01K | -37.3% | $11.83M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 28 | Marshall Wace ✦ | 271.64K | New | $5.78M | 0.0% | New | 1 | SEC ↗ |
| 29 | Marshall Wace ✦ | 271.64K | New | $5.78M | 0.0% | New | 1 | SEC ↗ |
| 30 | D. E. Shaw & Co. ✦ | 137.44K | +361.6% | $2.92M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 31 | D. E. Shaw & Co. ✦ | 137.44K | +361.6% | $2.92M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 32 | Citadel Advisors ✦ | 102.42K | -89.8% | $2.18M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 33 | Citadel Advisors ✦ | 102.42K | -89.8% | $2.18M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 34 | Wellington Management ✦ | 39.69K | -2.0% | $844,689 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 35 | Wellington Management ✦ | 39.69K | -2.0% | $844,689 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 36 | Wellington Management ✦ | 39.69K | -2.0% | $844,689 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 37 | Wellington Management ✦ | 39.69K | -2.0% | $844,689 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 38 | AQR Capital Management ✦ | 22.31K | -66.0% | $474,799 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 39 | AQR Capital Management ✦ | 22.31K | -66.0% | $474,799 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 40 | AQR Capital Management ✦ | 22.31K | -66.0% | $474,799 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 41 | Gotham Asset Management ✦ | 15.73K | -0.3% | $334,713 | 0.0% | ▼ Trim | 5 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $5.78M | 0.0% |
| Marshall Wace | $5.78M | 0.0% |
Exited
| Adage Capital Partners | $10.38M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 223 holders, 118.88M shares, $2.10B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2025 ·
Methodology ·
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