Summit TherapeuticsSMMT
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 242 institutions reported holding Summit Therapeutics Inc. (SMMT) in their 13F filings, up 20 from Q1 2026. 53 opened new positions and 32 sold out. The largest holders were Baker Bros. Advisors LP ($477.7M), FMR LLC ($146.3M) and State Street Corp. ($139.0M). 6 famous investors held it, including Steve Cohen (0.1% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Summit Therapeutics Inc.
- CUSIP
- 86627T108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 53 | $123.6M |
| Exits | 32 | $43.2M |
All 13F filers, Q1 2026 → Q2 2026: 30,875,815 shares bought and 15,256,074 shares sold, net +15,619,741 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 242 holders
| Baker Bros. Advisors LP | 2.40% | Reduce -9.9% | 32,786,348 | $477.7M |
| FMR LLC | 0.01% | Reduce -7.5% | 10,043,947 | $146.3M |
| State Street Corp. | 0.00% | Add +35.7% | 9,536,796 | $139.0M |
| BlackRock, Inc. | 0.00% | Reduce -1.3% | 9,529,041 | $138.8M |
| Vanguard Capital Management LLC | 0.00% | Add +0.4% | 5,734,484 | $83.6M |
| UBS Group AG | 0.01% | Add +42.2% | 5,233,798 | $76.3M |
| Vanguard Portfolio Management LLC | 0.00% | Reduce -3.6% | 5,042,190 | $73.5M |
| Goldman Sachs Group Inc. | 0.01% | Add +1352.5% | 4,513,399 | $65.8M |
| T. Rowe Price Associates Inc. | 0.01% | Reduce -53.0% | 3,893,820 | $56.7M |
| Point72 Asset Management | 0.09% | Add +371.6% | 3,697,803 | $53.9M |
| Geode Capital Management, LLC | 0.00% | Add +3.4% | 3,427,263 | $50.0M |
| Millennium Management | 0.02% | Add +1760.3% | 2,349,081 | $34.2M |
| Adage Capital Partners Gp, L.L.C. | 0.04% | New | 1,989,591 | $29.0M |
| Balyasny Asset Management L.P. | 0.05% | Add +247.3% | 1,904,254 | $27.7M |
| Citadel Advisors | 0.01% | Add +290.7% | 1,725,716 | $25.1M |
| Aberdeen Group plc | 0.03% | Add +154.5% | 1,693,626 | $24.7M |
| Squarepoint Ops LLC | 0.05% | Add +159.1% | 1,590,736 | $23.2M |
| Morgan Stanley | 0.00% | Reduce -12.2% | 1,450,019 | $21.1M |
| Norges Bank | 0.00% | — | 1,382,519 | $20.1M |
| Logos Global Management LP | 0.85% | New | 1,350,000 | $19.7M |
| Octagon Capital Advisors LP | 1.67% | New | 1,250,000 | $18.2M |
| D. E. Shaw & Co. | 0.01% | Reduce -44.5% | 1,243,556 | $18.1M |
| Kynam Capital Management, LP | 0.97% | New | 1,200,000 | $17.5M |
| Pictet Asset Management Holding SA | 0.02% | Reduce -14.3% | 1,134,299 | $16.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +1.7% | 976,851 | $14.2M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +3.5% | 966,585 | $14.1M |
| APEIRON CAPITAL Ltd | 9.00% | Reduce -26.5% | 961,866 | $14.0M |
| Bank of America Corp. | 0.00% | Add +44.5% | 864,983 | $12.6M |
| Schroder Investment Management Group | 0.01% | Add +232.5% | 835,963 | $12.0M |
| Rock Springs Capital Management LP | 0.51% | Add +0.7% | 715,000 | $10.4M |
| Citigroup Inc. | 0.00% | Add +258.6% | 714,000 | $10.4M |
| Two Sigma Investments, LP | 0.01% | Reduce -29.0% | 696,714 | $10.2M |
| Northern Trust Corp. | 0.00% | Add +9.0% | 633,794 | $9.2M |
| Marshall Wace, LLP | 0.01% | Add +21.4% | 577,190 | $8.4M |
| AQR Capital Management | 0.00% | Add +22.2% | 542,178 | $7.9M |
| Candriam S.C.A. | 0.04% | Reduce -1.5% | 532,432 | $7.8M |
| Susquehanna International Group, LLP | 0.01% | Reduce -13.7% | 521,339 | $7.6M |
| Elmind Capital, LP | 1.81% | New | 493,820 | $7.2M |
| Wellington Management Group LLP | 0.00% | Add +21.8% | 441,934 | $6.4M |
| Bank of New York Mellon Corp | 0.00% | Add +6.6% | 431,299 | $6.3M |
| Worldquant Millennium Advisors LLC | 0.02% | Add +639.7% | 431,028 | $6.3M |
| TD Asset Management Inc | 0.01% | Reduce -55.5% | 426,084 | $6.2M |
| Invesco Ltd. | 0.00% | Reduce -20.8% | 416,847 | $6.1M |
| Jump Financial, LLC | 0.06% | Add +236.6% | 389,618 | $5.7M |
| QVT Financial LP | 0.34% | No change | 360,524 | $5.3M |
| Ghisallo Capital Management LLC | 0.12% | New | 350,000 | $5.1M |
| Hohimer Wealth Management, LLC | 0.51% | New | 339,100 | $4.9M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -49.7% | 298,000 | $4.3M |
| Nuveen, LLC | 0.00% | Add +20.9% | 294,867 | $4.3M |
| BNP Paribas Financial Markets | 0.00% | Add +460.6% | 274,894 | $4.0M |
| Dark Forest Capital Management LP | 0.23% | Add +201.6% | 243,607 | $3.5M |
| Deutsche Bank AG | 0.00% | Add +0.7% | 239,347 | $3.5M |
| Polymer Capital Management (HK) LTD | 0.33% | Add +69.0% | 224,853 | $3.3M |
| Sectoral Asset Management Inc. | 2.24% | Add +216.3% | 220,180 | $3.2M |
| Woodline Partners LP | 0.01% | No change | 214,507 | $3.1M |
| Barclays PLC | 0.00% | Add +328.1% | 210,207 | $3.1M |
| Wells Fargo & Company | 0.00% | Add +73.2% | 208,413 | $3.0M |
| Rafferty Asset Management, LLC | 0.01% | Reduce -20.2% | 206,625 | $3.0M |
| Voya Investment Management LLC | 0.00% | Add +53.1% | 199,390 | $2.9M |
| HRT Financial LP | 0.01% | New | 197,653 | $2.9M |
| Griffin Asset Management, Inc. | 0.30% | Add +0.9% | 193,582 | $2.8M |
| ADAR1 Capital Management, LLC | 0.13% | Add +108.8% | 191,869 | $2.8M |
| Trexquant Investment LP | 0.02% | New | 184,013 | $2.7M |
| Focus Partners Wealth | 0.00% | Add +103.0% | 170,338 | $2.5M |
| China Universal Asset Management Co., Ltd. | 0.12% | Reduce -3.0% | 133,527 | $1.9M |
| Dimensional Fund Advisors LP | 0.00% | Add +44.6% | 127,978 | $1.9M |
| Rhumbline Advisers | 0.00% | Reduce -2.0% | 126,895 | $1.8M |
| HSBC Holdings PLC | 0.00% | New | 120,560 | $1.8M |
| Tema ETFs LLC | 0.06% | Add +1.3% | 121,097 | $1.8M |
| Tidal Investments LLC | 0.00% | Add +0.7% | 121,097 | $1.8M |
| Cerity Partners LLC | 0.00% | Add +0.6% | 114,505 | $1.7M |
| Quantinno Capital Management LP | 0.00% | Add +53.7% | 113,452 | $1.7M |
| Nomura Holdings Inc. | 0.01% | Reduce -64.2% | 112,359 | $1.6M |
| Bank of Montreal | 0.00% | Reduce -3.1% | 104,625 | $1.5M |
| Profund Advisors LLC | 0.04% | Reduce -11.0% | 100,549 | $1.5M |
| Caption Management, LLC | 0.05% | New | 100,000 | $1.5M |
| Beacon Pointe Advisors, LLC | 0.01% | Add +3.9% | 98,114 | $1.4M |
| LMR Partners LLP | 0.01% | Add +181.9% | 96,177 | $1.4M |
| State Board of Administration of Florida Retirement System | 0.00% | Reduce -1.9% | 94,229 | $1.4M |
| Axq Capital, LP | 0.15% | Add +98.1% | 93,624 | $1.4M |
| Schonfeld Strategic Advisors LLC | 0.01% | Add +306.8% | 91,557 | $1.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +13.3% | 90,338 | $1.3M |
| Wealth Management Partners, LLC | 0.31% | Add +40.0% | 89,274 | $1.3M |
| XTX Topco Ltd | 0.02% | New | 81,402 | $1.2M |
| Seven Fleet Capital Management LP | 0.18% | New | 73,300 | $1.1M |
| JPMorgan Chase & Co. | 0.00% | Add +5.6% | 68,169 | $1.1M |
| Nicolet Bankshares Inc. | 0.03% | New | 72,593 | $1.1M |
| Engineers Gate Manager LP | 0.01% | New | 67,871 | $989K |
| Guggenheim Capital LLC | 0.01% | Add +2.2% | 67,835 | $988K |
| VARCOV Co. | 0.35% | Add +172.1% | 63,957 | $932K |
| Illinois Municipal Retirement Fund | 0.01% | Reduce -43.9% | 62,734 | $914K |
| Bridgefront Capital, LLC | 0.23% | New | 60,416 | $880K |
| Police & Firemen's Retirement System of New Jersey | 0.01% | Add +14.7% | 60,337 | $879K |
| Diadema Partners LP | 0.33% | New | 60,000 | $874K |
| Assenagon Asset Management S.A. | 0.00% | No change | 59,621 | $869K |
| Vanguard Global Advisers, LLC | 0.00% | Reduce -3.3% | 59,105 | $861K |
| Treasurer of the State of North Carolina | 0.00% | Add +15.0% | 57,527 | $838K |
| Entropy Technologies, LP | 0.03% | Add +161.8% | 57,017 | $831K |
| Handelsbanken Fonder AB | 0.00% | Add +24.4% | 55,500 | $809K |
| Hudson Bay Capital Management LP | 0.00% | New | 54,950 | $801K |
| Machina Capital S.A.S. | 0.13% | Add +109.5% | 54,875 | $800K |
| New York State Common Retirement Fund | 0.00% | No change | 53,777 | $784K |
| DNB Asset Management AS | 0.00% | Reduce -2.5% | 49,305 | $718K |
| Ameriprise Financial Inc. | 0.00% | Reduce -2.8% | 46,320 | $675K |
| Levin Capital Strategies, L.P. | 0.05% | Add +22.6% | 46,176 | $673K |
| Steward Partners Investment Advisory, LLC | 0.00% | Add +17.9% | 45,786 | $667K |
| Brevan Howard Capital Management LP | 0.01% | New | 45,164 | $658K |
| Group One Trading LLC | 0.02% | Add +3.9% | 44,450 | $648K |
| Sei Investments Co. | 0.00% | Add +124.1% | 44,097 | $642K |
| Russell Investments Group, Ltd. | 0.00% | Add +131.8% | 41,693 | $607K |
| Public Employees Retirement System of Ohio | 0.00% | Add +13.2% | 38,501 | $561K |
| Inspire Investing, LLC | 0.02% | New | 36,609 | $533K |
| State of Wyoming | 0.05% | New | 35,973 | $524K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -15.3% | 35,876 | $523K |
| Verition Fund Management LLC | 0.00% | Reduce -13.7% | 31,200 | $455K |
| E Fund Management Co., Ltd. | 0.01% | Reduce -90.2% | 30,468 | $444K |
| HUB Investment Partners, LLC | 0.01% | New | 30,197 | $440K |
| Cinctive Capital Management LP | 0.02% | New | 29,871 | $435K |
| Allianz Asset Management GmbH | 0.00% | Add +34.2% | 29,800 | $434K |
| Cetera Investment Advisers | 0.00% | Reduce -2.8% | 28,901 | $421K |
| Alliancebernstein L.P. | 0.00% | Add +10.8% | 22,004 | $417K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | No change | 28,611 | $417K |
| Great Valley Advisor Group, Inc. | 0.01% | Add +0.8% | 25,840 | $377K |
| Summit Trail Advisors, LLC | 0.00% | New | 25,585 | $373K |
| ProShare Advisors LLC | 0.00% | Reduce -26.6% | 25,451 | $371K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -49.7% | 25,301 | $369K |
| Banque Cantonale Vaudoise | 0.02% | Add +5.3% | 25,195 | $367K |
| Aigen Investment Management, LP | 0.10% | New | 24,477 | $357K |
| CIBC Asset Management Inc | 0.00% | No change | 24,289 | $354K |
| Arax Advisory Partners | 0.00% | Add +22799.0% | 24,044 | $350K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +30.8% | 24,002 | $344K |
| Virtus Investment Advisers, LLC | 0.08% | Add +50.5% | 23,355 | $340K |
| US Bancorp \de | 0.00% | Add +1155.1% | 23,219 | $338K |
| Raymond James Financial Inc. | 0.00% | Add +9.2% | 22,817 | $332K |
| LPL Financial LLC | 0.00% | New | 22,261 | $324K |
| Xponance LLC | 0.00% | Add +9.0% | 21,888 | $319K |
| Vance Wealth, LLC | 0.07% | No change | 19,983 | $291K |
| Q3 Asset Management | 0.05% | No change | 19,950 | $290K |
| Legal & General Group Plc | 0.00% | Reduce -42.8% | 18,247 | $266K |
| Xcelsior Advisor Partners LLC | 0.03% | New | 17,975 | $262K |
| State of Wisconsin Investment Board | 0.00% | Reduce -71.4% | 17,897 | $261K |
| nVerses Capital, LLC | 0.40% | New | 17,749 | $259K |
| Bayesian Capital Management, LP | 0.16% | New | 17,200 | $251K |
| GF Fund Management Co. LTD. | 0.00% | Reduce -1.9% | 16,404 | $239K |
| New World Advisors LLC | 0.04% | New | 16,361 | $238K |
| Gotham Asset Management | 0.00% | No change | 15,727 | $229K |
| Persistent Asset Partners Ltd | 0.07% | New | 15,312 | $223K |
| Bellevue Group AG | 0.00% | Reduce -3.6% | 15,279 | $223K |
| New York Life Investment Management LLC | 0.00% | Reduce -24.7% | 14,693 | $214K |
| Creative Planning | 0.00% | Add +2.1% | 13,884 | $202K |
| Three Seasons Wealth, LLC | 0.02% | No change | 12,869 | $188K |
| Blankinship & Foster, LLC | 0.04% | No change | 12,777 | $186K |
| Janney Montgomery Scott LLC | 0.00% | New | 12,562 | $183K |
| Two Sigma Securities, LLC | 0.02% | New | 12,491 | $182K |
| Graham Capital Management, L.P. | 0.01% | New | 11,987 | $175K |
| Blackstone Inc. | 0.00% | New | 11,754 | $171K |
| Gsa Capital Partners LLP | 0.01% | New | 11,423 | $166K |
| Advisors Asset Management, Inc. | 0.00% | Add +1.3% | 11,123 | $162K |
| SummitTX Capital, L.P. | 0.00% | New | 10,809 | $157K |
| Mackenzie Financial Corp. | 0.00% | New | 10,442 | $152K |
| MAI Capital Management | 0.00% | Add +3404.4% | 10,408 | $152K |
| Sage Mountain Advisors LLC | 0.01% | New | 10,000 | $146K |
| Willis Investment Counsel | 0.01% | No change | 10,000 | $146K |
| Federation des caisses Desjardins du Quebec | 0.00% | Add +3.3% | 9,176 | $134K |
| Royal Bank of Canada | 0.00% | Add +7.1% | 7,951 | $116K |
| Nykredit A/S | 0.00% | — | 7,634 | $111K |
| MetLife Investment Management, LLC | 0.00% | Add +4.5% | 7,508 | $109K |
| Havemeyer Place LP | 0.01% | Reduce -90.1% | 6,120 | $89K |
| Caitong International Asset Management Co., Ltd | 0.01% | New | 5,536 | $81K |
| Osaic Holdings, Inc. | 0.00% | Reduce -2.6% | 5,255 | $77K |
| Fifth Third Bancorp | 0.00% | Add +35.6% | 5,062 | $74K |
| Osterweis Capital Management Inc. | 0.00% | No change | 5,000 | $73K |
| Jones Financial Companies LLLP | 0.00% | Add +272.5% | 3,859 | $54K |
| Pacer Advisors, Inc. | 0.00% | New | 3,451 | $50K |
| Pinnacle Wealth Planning Services, Inc. | 0.00% | Add +2080.6% | 3,140 | $46K |
| National Bank of Canada | 0.00% | Add +30.9% | 2,909 | $42K |
| STRS Ohio | 0.00% | Add +1.9% | 2,848 | $41K |
| Adirondack Trust Co. | 0.01% | No change | 2,500 | $36K |
| Truvestments Capital LLC | 0.01% | Reduce -5.1% | 2,470 | $36K |
| Simplex Trading, LLC | 0.00% | Reduce -76.6% | 1,968 | $29K |
| California State Teachers Retirement System | 0.00% | Reduce -70.2% | 1,907 | $28K |
| Larson Financial Group LLC | 0.00% | Reduce -5.7% | 1,730 | $25K |
| GAMMA Investing LLC | 0.00% | Add +1.8% | 1,668 | $24K |
| Ball & Co Wealth Management Inc. | 0.01% | No change | 1,500 | $21K |
| E Fund Management (Hong Kong) Co., Ltd. | 0.01% | Add +39.8% | 1,334 | $19K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -94.5% | 1,311 | $19K |
| Vermillion Wealth Management, Inc. | 0.00% | No change | 1,000 | $15K |
| Sterling Capital Management LLC | 0.00% | Add +6.6% | 891 | $13K |
| Golden State Wealth Management, LLC | 0.00% | No change | 828 | $12K |
| Ossiam | 0.00% | New | 733 | $11K |
| Global Retirement Partners, LLC | 0.00% | — | 686 | $10K |
| Smartleaf Asset Management LLC | 0.00% | No change | 662 | $9K |
| CX Institutional | 0.00% | Reduce -30.3% | 591 | $9K |
| Los Angeles Capital Management LLC | 0.00% | No change | 514 | $7K |
| Rosenberg Matthew Hamilton | 0.00% | No change | 501 | $7K |
| LRI Investments, LLC | 0.00% | No change | 500 | $7K |
| Rakuten Securities, Inc. | 0.00% | Add +9200.0% | 465 | $7K |
| WPG Advisers, LLC | 0.00% | Add +52.4% | 439 | $6K |
| SBI Securities Co., Ltd. | 0.00% | Add +48.6% | 434 | $6K |
| Covestor Ltd | 0.00% | Add +15.3% | 415 | $6K |
| Rialto Wealth Management, LLC | 0.00% | New | 396 | $6K |
| AdvisorNet Financial, Inc | 0.00% | No change | 353 | $5K |
| FIL Ltd | 0.00% | No change | 345 | $5K |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -29.6% | 300 | $4K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -76.0% | 299 | $4K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -2.9% | 268 | $4K |
| Allworth Financial LP | 0.00% | Reduce -36.3% | 172 | $3K |
| IFP Advisors, Inc | 0.00% | No change | 169 | $2K |
| Quent Capital, LLC | 0.00% | Add +47.6% | 155 | $2K |
| Transamerica Financial Advisors, LLC | 0.00% | Add +21.7% | 140 | $2K |
| Bessemer Group Inc. | 0.00% | No change | 135 | $2K |
| Zions Bancorporation, National Association | 0.00% | New | 132 | $2K |
| Harbour Investments, Inc. | 0.00% | Reduce -75.2% | 129 | $2K |
| Parallel Advisors, LLC | 0.00% | Reduce -94.0% | 129 | $2K |
| Northwestern Mutual Wealth Management Co. | 0.00% | New | 122 | $2K |
| Wealth Enhancement Trust Services, Inc. | 0.00% | No change | 81 | $1K |
| Ameritas Advisory Services, LLC | 0.00% | Add +7700.0% | 78 | $1K |
| Signaturefd, LLC | 0.00% | Reduce -20.8% | 76 | $1K |
| TD Private Client Wealth LLC | 0.00% | No change | 74 | $1K |
| Capital Advisors, Ltd. LLC | 0.00% | Add +8400.0% | 85 | $1K |
| Parkside Financial Bank & Trust | 0.00% | Add +180.0% | 56 | $816 |
| Rossby Financial, LCC | 0.00% | New | 53 | $772 |
| Manchester Capital Management LLC | 0.00% | New | 43 | $627 |
| CVA Family Office, LLC | 0.00% | No change | 40 | $583 |
| Physician Wealth Advisors, Inc. | 0.00% | New | 35 | $510 |
| Bell Investment Advisors, Inc | 0.00% | No change | 33 | $481 |
| Allied Private Wealth LLC | 0.00% | — | 30 | $470 |
| Silver Grove Financial Group, Inc. | 0.00% | New | 23 | $335 |
| MV Capital Management, Inc. | 0.00% | Add +220.0% | 16 | $234 |
| UMB Bank, n.a. | 0.00% | Reduce -33.3% | 16 | $233 |
| Rothschild Investment LLC | 0.00% | Add +366.7% | 14 | $204 |
| Bartlett & Co. Wealth Management LLC | 0.00% | New | 11 | $160 |
| Rockefeller Capital Management L.P. | 0.00% | Reduce -73.0% | 10 | $146 |
| SHP Wealth Management | 0.00% | Reduce -60.0% | 10 | $146 |
| True Wealth Design, LLC | 0.00% | Add +233.3% | 10 | $146 |
| Keating Financial Advisory Services, Inc. | 0.00% | Add +400.0% | 10 | $146 |
| Ameriflex Group, Inc. | 0.00% | New | 6 | $87 |
| Stone House Investment Management, LLC | 0.00% | Reduce -77.8% | 4 | $58 |
| 1015 Capital Partners, LLC | 0.00% | Reduce -60.0% | 4 | $58 |
| SJS Investment Consulting Inc. | 0.00% | New | 1 | $15 |
| Seneschal Advisors, LLC | 0.00% | No change | 1 | $15 |
| Avion Wealth | 0.00% | New | 29 | $0 |
"% of holder's portfolio" is SMMT's weight in each manager's 13F, not the share of Summit Therapeutics Inc. the manager owns.