Summit TherapeuticsSMMT
13F holders, Q1 2026 (March 31)222holders +16
52new positions
34sold out
7famous investors
$18.94avg. 13F price*
At the end of Q1 2026, 222 institutions reported holding Summit Therapeutics Inc. (SMMT) in their 13F filings, up 16 from Q4 2025. 52 opened new positions and 34 sold out. The largest holders were Baker Bros. Advisors LP ($690.0M), FMR LLC ($205.8M) and BlackRock, Inc. ($183.0M). 7 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Summit Therapeutics Inc.
- CUSIP
- 86627T108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 52 | $81.6M |
| Exits | 34 | $30.6M |
All 13F filers, Q4 2025 → Q1 2026: 12,553,291 shares bought and 11,137,594 shares sold, net +1,415,697 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 222 holders
| Baker Bros. Advisors LP | 3.96% | No change | 36,391,063 | $690.0M |
| FMR LLC | 0.01% | Reduce -18.8% | 10,853,199 | $205.8M |
| BlackRock, Inc. | 0.00% | Add +3.1% | 9,653,758 | $183.0M |
| T. Rowe Price Associates Inc. | 0.02% | Reduce -11.7% | 8,277,859 | $156.9M |
| State Street Corp. | 0.00% | Add +5.9% | 7,028,160 | $133.3M |
| Vanguard Capital Management LLC | 0.00% | — | 5,711,802 | $108.3M |
| Vanguard Portfolio Management LLC | 0.01% | — | 5,233,252 | $99.2M |
| UBS Group AG | 0.01% | Add +322.7% | 3,680,315 | $69.8M |
| Geode Capital Management, LLC | 0.00% | Add +5.3% | 3,315,854 | $62.9M |
| D. E. Shaw & Co. | 0.04% | Add +439.9% | 2,242,229 | $42.5M |
| Morgan Stanley | 0.00% | Add +78.1% | 1,650,591 | $31.3M |
| APEIRON CAPITAL Ltd | 23.22% | Reduce -0.0% | 1,309,141 | $24.8M |
| Pictet Asset Management Holding SA | 0.03% | Reduce -4.4% | 1,323,179 | $24.0M |
| Two Sigma Investments, LP | 0.02% | Add +69.7% | 981,185 | $18.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +7.6% | 960,867 | $18.2M |
| TD Asset Management Inc | 0.01% | Reduce -20.6% | 956,894 | $18.1M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 934,394 | $17.7M |
| Superstring Capital Management LP | 12.09% | New | 892,873 | $16.9M |
| Point72 Asset Management | 0.03% | New | 784,186 | $14.9M |
| Rock Springs Capital Management LP | 0.79% | No change | 710,000 | $13.5M |
| Aberdeen Group plc | 0.02% | Reduce -28.2% | 665,364 | $12.6M |
| Squarepoint Ops LLC | 0.03% | Reduce -14.2% | 613,877 | $11.6M |
| Susquehanna International Group, LLP | 0.01% | New | 603,933 | $11.5M |
| Bank of America Corp. | 0.00% | Add +25.4% | 598,692 | $11.4M |
| Manufacturers Life Insurance Company, The | 0.01% | Add +34.4% | 592,810 | $11.2M |
| Northern Trust Corp. | 0.00% | Add +10.1% | 581,600 | $11.0M |
| Balyasny Asset Management L.P. | 0.02% | Add +990.2% | 548,335 | $10.4M |
| Candriam S.C.A. | 0.05% | No change | 540,662 | $10.3M |
| Invesco Ltd. | 0.00% | Add +14.1% | 526,103 | $10.0M |
| Marshall Wace, LLP | 0.01% | New | 475,241 | $9.0M |
| Citadel Advisors | 0.01% | Reduce -82.2% | 441,743 | $8.4M |
| AQR Capital Management | 0.00% | Add +24.0% | 443,757 | $8.1M |
| Bank of New York Mellon Corp | 0.00% | Add +14.4% | 404,679 | $7.7M |
| Tudor Investment Corporation | 0.04% | Reduce -9.0% | 384,988 | $7.3M |
| Wellington Management Group LLP | 0.00% | New | 362,858 | $6.9M |
| QVT Financial LP | 0.55% | No change | 360,524 | $6.8M |
| Nomura Holdings Inc. | 0.05% | Reduce -42.1% | 313,981 | $6.0M |
| E Fund Management Co., Ltd. | 0.18% | — | 311,825 | $5.9M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -36.0% | 310,728 | $5.9M |
| Rafferty Asset Management, LLC | 0.02% | Reduce -10.0% | 259,074 | $4.9M |
| ExodusPoint Capital Management, LP | 0.05% | New | 256,255 | $4.9M |
| Nuveen, LLC | 0.00% | Add +4.9% | 243,992 | $4.6M |
| Deutsche Bank AG | 0.00% | No change | 237,788 | $4.5M |
| Schroder Investment Management Group | 0.00% | No change | 251,391 | $4.3M |
| Woodline Partners LP | 0.02% | No change | 214,507 | $4.1M |
| Citigroup Inc. | 0.00% | Add +53.3% | 199,133 | $3.8M |
| Griffin Asset Management, Inc. | 0.41% | Reduce -1.9% | 191,872 | $3.6M |
| China Universal Asset Management Co., Ltd. | 0.20% | Add +13.4% | 137,596 | $2.6M |
| Polymer Capital Management (HK) LTD | 0.35% | Reduce -90.6% | 133,034 | $2.5M |
| Voya Investment Management LLC | 0.00% | Add +15.8% | 130,237 | $2.5M |
| Rhumbline Advisers | 0.00% | Add +6.8% | 129,542 | $2.5M |
| Millennium Management | 0.00% | Reduce -73.1% | 126,273 | $2.4M |
| Tidal Investments LLC | 0.01% | New | 120,314 | $2.3M |
| Wells Fargo & Company | 0.00% | Reduce -8.1% | 120,301 | $2.3M |
| Y-Intercept (Hong Kong) Ltd | 0.04% | New | 119,655 | $2.3M |
| Tema ETFs LLC | 0.15% | Add +24.8% | 119,531 | $2.3M |
| Jump Financial, LLC | 0.04% | New | 115,738 | $2.2M |
| Cerity Partners LLC | 0.00% | Add +0.8% | 113,786 | $2.2M |
| Profund Advisors LLC | 0.08% | Add +8.8% | 112,926 | $2.1M |
| Illinois Municipal Retirement Fund | 0.03% | Add +12.6% | 111,894 | $2.1M |
| Bank of Montreal | 0.00% | Add +13.2% | 107,959 | $2.0M |
| Jefferies Financial Group Inc. | 0.02% | No change | 100,000 | $1.9M |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 96,009 | $1.8M |
| Beacon Pointe Advisors, LLC | 0.01% | Add +138.3% | 94,394 | $1.8M |
| ADAR1 Capital Management, LLC | 0.11% | No change | 91,869 | $1.7M |
| Canada Pension Plan Investment Board | 0.00% | New | 91,000 | $1.7M |
| NEXTBio Capital Management LP | 0.79% | New | 89,717 | $1.7M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -76.5% | 88,496 | $1.7M |
| Focus Partners Wealth | 0.00% | Reduce -5.1% | 83,920 | $1.6M |
| Dark Forest Capital Management LP | 0.14% | Reduce -7.2% | 80,780 | $1.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +0.1% | 79,696 | $1.5M |
| Quantinno Capital Management LP | 0.00% | Add +415.5% | 73,835 | $1.4M |
| Sectoral Asset Management Inc. | 1.16% | Reduce -12.6% | 69,615 | $1.4M |
| Guggenheim Capital LLC | 0.01% | Add +33.3% | 66,402 | $1.3M |
| Wealth Management Partners, LLC | 0.35% | Add +7.3% | 63,784 | $1.2M |
| State of Wisconsin Investment Board | 0.00% | Reduce -32.7% | 62,535 | $1.2M |
| Havemeyer Place LP | 0.14% | Add +891.2% | 61,989 | $1.2M |
| Vanguard Global Advisers, LLC | 0.00% | — | 61,136 | $1.2M |
| Assenagon Asset Management S.A. | 0.00% | No change | 59,621 | $1.1M |
| Worldquant Millennium Advisors LLC | 0.00% | Add +39.6% | 58,272 | $1.1M |
| JPMorgan Chase & Co. | 0.00% | Reduce -4.3% | 64,554 | $1.1M |
| Longaeva Partners L.P. | 0.05% | New | 57,282 | $1.1M |
| Boothbay Fund Management, LLC | 0.02% | New | 53,964 | $1.0M |
| New York State Common Retirement Fund | 0.00% | No change | 53,777 | $1.0M |
| SG Americas Securities, LLC | 0.00% | Add +243.3% | 53,523 | $1.0M |
| Police & Firemen's Retirement System of New Jersey | 0.01% | No change | 52,619 | $998K |
| DNB Asset Management AS | 0.00% | Reduce -17.2% | 50,558 | $959K |
| Farther Finance Advisors, LLC | 0.01% | Reduce -12.2% | 50,316 | $952K |
| Treasurer of the State of North Carolina | 0.00% | Add +2.2% | 50,007 | $948K |
| Fieldview Capital Management, LLC | 0.27% | New | 49,204 | $933K |
| Barclays PLC | 0.00% | Reduce -85.5% | 49,103 | $931K |
| BNP Paribas Financial Markets | 0.00% | Add +32.2% | 49,040 | $930K |
| Ameriprise Financial Inc. | 0.00% | Reduce -11.8% | 47,667 | $904K |
| Axq Capital, LP | 0.12% | Reduce -42.0% | 47,268 | $896K |
| Handelsbanken Fonder AB | 0.00% | Add +18.6% | 44,600 | $846K |
| Group One Trading LLC | 0.03% | Add +36.2% | 42,781 | $811K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +11.6% | 42,383 | $804K |
| Steward Partners Investment Advisory, LLC | 0.00% | Add +68.6% | 38,847 | $737K |
| Levin Capital Strategies, L.P. | 0.05% | No change | 37,676 | $714K |
| Verition Fund Management LLC | 0.01% | Reduce -84.2% | 36,163 | $686K |
"% of holder's portfolio" is SMMT's weight in each manager's 13F, not the share of Summit Therapeutics Inc. the manager owns.