Summit TherapeuticsSMMT
13F holders, Q3 2025 (September 30)232holders +6
42new positions
41sold out
6famous investors
$20.65avg. 13F price*
At the end of Q3 2025, 232 institutions reported holding Summit Therapeutics Inc. (SMMT) in their 13F filings, up 6 from Q2 2025. 42 opened new positions and 41 sold out. The largest holders were Baker Bros. Advisors LP ($696.7M), Vanguard Group Inc. ($235.1M) and FMR LLC ($184.2M). 6 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Summit Therapeutics Inc.
- CUSIP
- 86627T108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 42 | $49.9M |
| Exits | 41 | $64.0M |
All 13F filers, Q2 2025 → Q3 2025: 13,552,229 shares bought and 7,121,074 shares sold, net +6,431,155 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 232 holders
| Baker Bros. Advisors LP | 5.05% | No change | 33,722,974 | $696.7M |
| Vanguard Group Inc. | 0.00% | Add +31.2% | 11,379,728 | $235.1M |
| FMR LLC | 0.01% | Reduce -3.3% | 8,917,887 | $184.2M |
| BlackRock, Inc. | 0.00% | Add +7.5% | 7,363,793 | $152.1M |
| State Street Corp. | 0.00% | Add +58.4% | 6,361,936 | $131.4M |
| T. Rowe Price Associates Inc. | 0.01% | Add +16.2% | 4,538,823 | $93.8M |
| Geode Capital Management, LLC | 0.00% | Add +6.7% | 3,132,735 | $64.7M |
| Morgan Stanley | 0.00% | Add +200.1% | 1,926,828 | $39.8M |
| Pictet Asset Management Holding SA | 0.03% | Reduce -25.9% | 1,604,163 | $33.5M |
| APEIRON CAPITAL Ltd | 12.87% | Add +9.2% | 1,310,941 | $27.1M |
| UBS Group AG | 0.01% | Reduce -38.9% | 1,278,783 | $26.4M |
| Aberdeen Group plc | 0.04% | No change | 1,139,530 | $23.5M |
| Nomura Holdings Inc. | 0.11% | Add +2286.3% | 1,048,927 | $21.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -32.1% | 876,390 | $18.1M |
| Polymer Capital Management (HK) LTD | 2.35% | Reduce -8.2% | 817,276 | $16.9M |
| Fiera Capital Corp | 0.05% | Reduce -2.6% | 762,094 | $15.7M |
| Polar Capital Holdings Plc | 0.07% | Reduce -25.4% | 746,393 | $15.4M |
| Rock Springs Capital Management LP | 0.86% | No change | 710,000 | $14.7M |
| Bank of America Corp. | 0.00% | Add +16.1% | 657,313 | $13.6M |
| Tang Capital Management LLC | 0.44% | Add +120.0% | 550,000 | $11.4M |
| Northern Trust Corp. | 0.00% | Add +2.8% | 546,262 | $11.3M |
| TD Asset Management Inc | 0.01% | Add +11.1% | 537,530 | $11.1M |
| Candriam S.C.A. | 0.06% | No change | 513,763 | $10.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +64.0% | 497,547 | $10.3M |
| Capricorn Fund Managers Ltd | 3.44% | New | 496,266 | $10.3M |
| Barclays PLC | 0.00% | Add +51.6% | 475,777 | $9.8M |
| Invesco Ltd. | 0.00% | Add +0.5% | 426,075 | $8.8M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -1.4% | 374,583 | $7.7M |
| Bank of New York Mellon Corp | 0.00% | Add +6.9% | 367,126 | $7.6M |
| QVT Financial LP | 0.85% | No change | 360,524 | $7.4M |
| Tudor Investment Corporation | 0.05% | New | 347,241 | $7.2M |
| Rafferty Asset Management, LLC | 0.02% | Add +70.6% | 339,176 | $7.0M |
| Skandinaviska Enskilda Banken AB (publ) | 0.03% | Add +409.2% | 338,363 | $7.0M |
| Sculptor Capital LP | 0.16% | New | 333,500 | $6.9M |
| Manufacturers Life Insurance Company, The | 0.01% | Add +13.6% | 299,546 | $6.2M |
| Deutsche Bank AG | 0.00% | Add +0.8% | 269,884 | $5.6M |
| New York State Common Retirement Fund | 0.01% | Add +2.9% | 264,290 | $5.5M |
| Schroder Investment Management Group | 0.00% | Add +67.9% | 242,619 | $5.1M |
| Susquehanna International Group, LLP | 0.01% | Reduce -17.8% | 246,562 | $5.1M |
| Nuveen, LLC | 0.00% | Add +28.9% | 232,642 | $4.8M |
| Woodline Partners LP | 0.02% | Add +17.9% | 214,507 | $4.4M |
| Citadel Advisors | 0.00% | Add +97.9% | 202,712 | $4.2M |
| Voya Investment Management LLC | 0.00% | Reduce -1.5% | 202,618 | $4.2M |
| Superstring Capital Management LP | 4.01% | New | 197,253 | $4.1M |
| Balyasny Asset Management L.P. | 0.01% | New | 194,851 | $4.0M |
| Wells Fargo & Company | 0.00% | Reduce -17.8% | 192,876 | $4.0M |
| AQR Capital Management | 0.00% | Add +740.3% | 187,484 | $3.9M |
| Royal Bank of Canada | 0.00% | Add +114.8% | 185,813 | $3.8M |
| First Trust Advisors LP | 0.00% | New | 171,524 | $3.5M |
| Verition Fund Management LLC | 0.02% | Reduce -9.0% | 165,602 | $3.4M |
| Citigroup Inc. | 0.00% | Add +41.1% | 159,873 | $3.3M |
| Griffin Asset Management, Inc. | 0.33% | Add +17.5% | 140,282 | $2.9M |
| JPMorgan Chase & Co. | 0.00% | Reduce -33.7% | 136,626 | $2.8M |
| D. E. Shaw & Co. | 0.00% | Reduce -5.0% | 130,627 | $2.7M |
| China Universal Asset Management Co., Ltd. | 0.22% | Reduce -12.7% | 130,210 | $2.7M |
| Rhumbline Advisers | 0.00% | Add +0.4% | 122,922 | $2.5M |
| Millennium Management | 0.00% | Reduce -78.3% | 120,514 | $2.5M |
| Cerity Partners LLC | 0.00% | Reduce -0.2% | 114,657 | $2.4M |
| Dark Forest Capital Management LP | 0.09% | New | 112,199 | $2.3M |
| Squarepoint Ops LLC | 0.00% | Reduce -62.3% | 109,826 | $2.3M |
| ADAR1 Capital Management, LLC | 0.21% | Add +758.1% | 102,969 | $2.1M |
| Yong Rong (HK) Asset Management Ltd | 0.43% | New | 100,000 | $2.1M |
| Bank of Montreal | 0.00% | Reduce -2.5% | 98,018 | $2.0M |
| State Board of Administration of Florida Retirement System | 0.00% | Reduce -1.5% | 96,009 | $2.0M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -2.1% | 92,538 | $1.9M |
| State of Wisconsin Investment Board | 0.00% | New | 91,835 | $1.9M |
| Focus Partners Wealth | 0.00% | Add +2.3% | 88,419 | $1.8M |
| Tema ETFs LLC | 0.14% | Reduce -24.9% | 80,284 | $1.7M |
| NEOS Investment Management LLC | 0.01% | Reduce -24.9% | 80,284 | $1.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -8.4% | 79,589 | $1.6M |
| Mariner, LLC | 0.00% | Add +576.5% | 79,572 | $1.6M |
| Polianta Ltd | 0.64% | Add +23.3% | 74,700 | $1.5M |
| Wealth Management Partners, LLC | 0.49% | Reduce -1.4% | 74,570 | $1.5M |
| Capital Fund Management S.A. | 0.02% | New | 74,153 | $1.5M |
| Sectoral Asset Management Inc. | 0.94% | Add +13.6% | 74,070 | $1.5M |
| Profund Advisors LLC | 0.05% | Add +76.4% | 69,933 | $1.4M |
| Illinois Municipal Retirement Fund | 0.02% | Add +121.1% | 68,673 | $1.4M |
| WINTON GROUP Ltd | 0.05% | New | 64,900 | $1.3M |
| Perseverance Asset Management International | 0.21% | Reduce -57.3% | 59,745 | $1.2M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -71.5% | 58,099 | $1.2M |
| Farther Finance Advisors, LLC | 0.02% | Add +9763.6% | 55,236 | $1.1M |
| Ameriprise Financial Inc. | 0.00% | Add +63.0% | 53,512 | $1.1M |
| Treasurer of the State of North Carolina | 0.00% | Reduce -3.7% | 52,519 | $1.1M |
| Police & Firemen's Retirement System of New Jersey | 0.01% | Add +17.8% | 52,505 | $1.1M |
| Guggenheim Capital LLC | 0.01% | Add +19.0% | 40,997 | $847K |
| Verde Servicos Internacionais S.A. | 0.24% | New | 40,000 | $826K |
| Levin Capital Strategies, L.P. | 0.07% | Add +1.4% | 36,676 | $758K |
| Vident Advisory, LLC | 0.01% | Reduce -6.4% | 36,646 | $757K |
| Public Employees Retirement System of Ohio | 0.00% | Add +0.6% | 36,492 | $754K |
| Beacon Pointe Advisors, LLC | 0.01% | New | 35,726 | $738K |
| Handelsbanken Fonder AB | 0.00% | No change | 34,200 | $707K |
| DNB Asset Management AS | 0.00% | Reduce -4.2% | 30,923 | $639K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +0.1% | 30,588 | $632K |
| Group One Trading LLC | 0.02% | New | 30,250 | $625K |
| Assetmark, Inc. | 0.00% | Reduce -3.9% | 29,866 | $617K |
| Man Group plc | 0.00% | Reduce -26.9% | 29,550 | $611K |
| BNP Paribas Financial Markets | 0.00% | Reduce -2.2% | 29,176 | $603K |
| Caption Management, LLC | 0.04% | Reduce -89.4% | 28,264 | $584K |
| Sei Investments Co. | 0.00% | Add +3.3% | 27,163 | $561K |
| Stifel Financial Corp. | 0.00% | Reduce -17.0% | 26,832 | $554K |
"% of holder's portfolio" is SMMT's weight in each manager's 13F, not the share of Summit Therapeutics Inc. the manager owns.