Security record · archived quarter
SMMT
Summit Therapeutics Inc. · Healthcare · Biotechnology
15Tracked holders
-1Δ holders
45.07MShares held
$931.26MReported value
+1New positions
−3Exits
Momentum inputs (comparable managers):
holder breadth -6.2% ·
share flow +14.3% ·
net new positions -13.3%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 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 · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 11.38M | +31.2% | $235.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 11.38M | +31.2% | $235.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 11.38M | +31.2% | $235.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | The Vanguard Group ✦ (passive) | 11.38M | +31.2% | $235.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Fidelity (FMR) ✦ | 8.92M | -3.3% | $184.24M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | Fidelity (FMR) ✦ | 8.92M | -3.3% | $184.24M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | Fidelity (FMR) ✦ | 8.92M | -3.3% | $184.24M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | Fidelity (FMR) ✦ | 8.92M | -3.3% | $184.24M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 7.36M | +7.5% | $152.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 7.36M | +7.5% | $152.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 7.36M | +7.5% | $152.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 7.36M | +7.5% | $152.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 7.36M | +7.5% | $152.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 7.36M | +7.5% | $152.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 7.36M | +7.5% | $152.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 7.36M | +7.5% | $152.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 7.36M | +7.5% | $152.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 7.36M | +7.5% | $152.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 7.36M | +7.5% | $152.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 7.36M | +7.5% | $152.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | State Street Global Advisors ✦ (passive) | 6.36M | +58.4% | $131.44M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 22 | T. Rowe Price ✦ | 4.54M | +16.2% | $93.77M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 23 | T. Rowe Price ✦ | 4.54M | +16.2% | $93.77M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 24 | Geode Capital Management ✦ (passive) | 3.13M | +6.7% | $64.74M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 25 | Geode Capital Management ✦ (passive) | 3.13M | +6.7% | $64.74M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 26 | Morgan Stanley ✦ | 1.93M | — | $39.81M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Morgan Stanley ✦ | 1.93M | — | $39.81M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | Morgan Stanley ✦ | 1.93M | — | $39.81M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | Morgan Stanley ✦ | 1.93M | — | $39.81M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Morgan Stanley ✦ | 1.93M | — | $39.81M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Morgan Stanley ✦ | 1.93M | — | $39.81M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Goldman Sachs Group ✦ | 497.55K | — | $10.28M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Goldman Sachs Group ✦ | 497.55K | — | $10.28M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | JPMorgan Chase ✦ | 273.25K | — | $5.65M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | JPMorgan Chase ✦ | 273.25K | — | $5.65M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | JPMorgan Chase ✦ | 273.25K | — | $5.65M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | JPMorgan Chase ✦ | 273.25K | — | $5.65M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | JPMorgan Chase ✦ | 273.25K | — | $5.65M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | JPMorgan Chase ✦ | 273.25K | — | $5.65M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Citadel Advisors ✦ | 202.71K | +97.9% | $4.19M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 41 | Citadel Advisors ✦ | 202.71K | +97.9% | $4.19M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 42 | AQR Capital Management ✦ | 187.48K | +740.3% | $3.87M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 43 | AQR Capital Management ✦ | 187.48K | +740.3% | $3.87M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 44 | AQR Capital Management ✦ | 187.48K | +740.3% | $3.87M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 45 | D. E. Shaw & Co. ✦ | 130.63K | -5.0% | $2.70M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 46 | D. E. Shaw & Co. ✦ | 130.63K | -5.0% | $2.70M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 47 | Millennium Management ✦ | 120.51K | -78.3% | $2.49M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 48 | Two Sigma Investments ✦ | 25.03K | New | $517,120 | 0.0% | New | 1 | SEC ↗ |
| 49 | Gotham Asset Management ✦ | 15.73K | 0.0% | $324,920 | 0.0% | ▼ Trim | 6 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Two Sigma Investments | $517,120 | 0.0% |
Exited
| Norges Bank | $29.58M | was 0.0% |
| Marshall Wace | $5.78M | was 0.0% |
| Wellington Management | $844,689 | 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: Q3 2025 ·
Methodology ·
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