Summit Therapeutics Inc.
SMMT- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001599298
No open-market purchases or sales by Summit Therapeutics Inc. insiders were filed in the last 90 days; 242 institutions reported holding it in 13F filings for Q2 2026, worth $1.98B in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in Summit Therapeutics Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 232
- +10 vs. Q2 2025
- Shares held
- 102.9M
- +6.43M (+6.7%) vs. Q2 2025
- Total value
- $2.13B
- +$76.2M (+3.7%) vs. Q2 2025
- New holders
- 51
- 77 more added
- Sold out
- 41
- 68 more reduced
4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SMMT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 242 | $1.98B |
| Q1 2026 | 222 | $2.25B |
| Q4 2025 | 206 | $2.06B |
| Q3 2025 | 232 | $2.13B |
| Q2 2025 | 226 | $2.08B |
| Q1 2025 | 202 | $1.91B |
| Q4 2024 | 196 | $1.65B |
| Q3 2024 | 164 | $1.85B |
| Q2 2024 | 121 | $563.0M |
| Q1 2024 | 103 | $205.5M |
| Q4 2023 | 95 | $84.4M |
| Q3 2023 | 91 | $60.4M |
| Q2 2023 | 96 | $87.6M |
| Q1 2023 | 86 | $37.0M |
| Q4 2022 | 57 | $34.5M |
| Q3 2022 | 42 | $3.78M |
| Q2 2022 | 41 | $8.46M |
| Q1 2022 | 48 | $27.4M |
| Q4 2021 | 52 | $30.0M |
| Q3 2021 | 51 | $55.3M |
| Q2 2021 | 54 | $82.4M |
| Q1 2021 | 38 | $54.5M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Summit Therapeutics Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rafferty Asset Management, LLC | 339,176 | $7.01M | 0.02% | +140,323+70.6% | Added |
| Tudor Investment Corp Et Al | 347,241 | $7.17M | 0.05% | +347,241 | New |
| QVT Financial LP | 360,524 | $7.45M | 0.83% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 367,126 | $7.58M | 0.00% | +23,602+6.9% | Added |
| Dimensional Fund Advisors LP | 374,583 | $7.74M | 0.00% | −5,421−1.4% | Reduced |
| Invesco Ltd. | 426,075 | $8.80M | 0.00% | +2,048+0.5% | Added |
| Barclays PLC | 475,777 | $9.83M | 0.00% | +161,953+51.6% | Added |
| Capricorn Fund Managers Ltd | 496,266 | $10.3M | 3.44% | +496,266 | New |
| Goldman Sachs Group Inc | 497,547 | $10.3M | 0.00% | +194,121+64.0% | Added |
| Candriam Luxembourg S.C.A. | 513,763 | $10.6M | 0.06% | 00.0% | Unchanged |
| TD Asset Management Inc | 537,530 | $11.1M | 0.01% | +53,520+11.1% | Added |
| Northern Trust Corp | 546,262 | $11.3M | 0.00% | +14,634+2.8% | Added |
| Tang Capital Management LLC | 550,000 | $11.4M | 0.44% | +300,000+120.0% | Added |
| Bank of America Corp | 657,313 | $13.6M | 0.00% | +91,166+16.1% | Added |
| Rock Springs Capital Management LP | 710,000 | $14.7M | 0.86% | 00.0% | Unchanged |
| Polar Capital Holdings Plc | 746,393 | $15.4M | 0.07% | −253,607−25.4% | Reduced |
| Fiera Capital Corp | 762,094 | $15.7M | 0.05% | −20,753−2.7% | Reduced |
| Polymer Capital Management (HK) LTD | 817,276 | $16.9M | 2.35% | −72,753−8.2% | Reduced |
| Charles Schwab Investment Management Inc | 876,390 | $18.1M | 0.00% | −415,281−32.2% | Reduced |
| Nomura Holdings Inc | 1,048,927 | $21.7M | 0.10% | +1,004,971+2,286.3% | Added |
| Standard Life Aberdeen plc | 1,139,530 | $23.5M | 0.04% | 00.0% | Unchanged |
| UBS Group AG | 1,278,783 | $26.4M | 0.01% | −815,175−38.9% | Reduced |
| Apeiron Capital Ltd | 1,310,941 | $27.1M | 12.87% | +110,000+9.2% | Added |
| Pictet Asset Management Holding SA | 1,604,163 | $33.5M | 0.03% | −559,710−25.9% | Reduced |
| Morgan Stanley | 1,926,828 | $39.8M | 0.00% | +1,284,827+200.1% | Added |
| Geode Capital Management, LLC | 3,132,735 | $64.7M | 0.00% | +197,920+6.7% | Added |
| Price T Rowe Associates Inc | 4,538,823 | $93.8M | 0.01% | +633,675+16.2% | Added |
| State Street Corp | 6,361,936 | $131.4M | 0.00% | +2,344,239+58.3% | Added |
| BlackRock, Inc. | 7,363,793 | $152.1M | 0.00% | +517,126+7.6% | Added |
| FMR LLC | 8,917,887 | $184.2M | 0.01% | −308,489−3.3% | Reduced |
| Vanguard Group Inc | 11,379,728 | $235.1M | 0.00% | +2,706,056+31.2% | Added |
| Baker Bros. Advisors LP | 33,722,974 | $696.7M | 5.03% | 00.0% | Unchanged |
| Rockland Trust Co | 0 | $0 | 0.00% | −400,000−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −271,641−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −249,710−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −241,685−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −227,860−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −191,119−100.0% | Sold out |
| Granahan Investment Management Inc | 0 | $0 | 0.00% | −185,640−100.0% | Sold out |
| Sovran Advisors, LLC | 0 | $0 | 0.00% | −150,047−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −139,146−100.0% | Sold out |
| BI Asset Management Fondsmaeglerselskab A/S | 0 | $0 | 0.00% | −125,100−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −87,943−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −87,830−100.0% | Sold out |
| Rhenman & Partners Asset Management AB | 0 | $0 | 0.00% | −78,000−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −66,969−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −58,400−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −40,169−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −39,694−100.0% | Sold out |
| Mercer Global Advisors Inc | 0 | $0 | 0.00% | −36,452−100.0% | Sold out |
| Quantessence Capital LLC | 0 | $0 | 0.00% | −36,187−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −33,423−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −33,096−100.0% | Sold out |
| Cambridge Investment Research Advisors, Inc. | 0 | $0 | 0.00% | −30,820−100.0% | Sold out |
| SeaCrest Wealth Management, LLC | 0 | $0 | 0.00% | −22,717−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −22,300−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −16,963−100.0% | Sold out |
| Florida Financial Advisors, LLC | 0 | $0 | 0.00% | −15,921−100.0% | Sold out |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0 | $0 | 0.00% | −13,670−100.0% | Sold out |
| Sanctuary Advisors, LLC | 0 | $0 | 0.00% | −13,244−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −13,149−100.0% | Sold out |
| Change Path, LLC | 0 | $0 | 0.00% | −11,670−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −11,535−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −11,452−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −10,602−100.0% | Sold out |
| Arista Wealth Management, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −6,705−100.0% | Sold out |
| Diadema Partners LP | 0 | $0 | 0.00% | −932−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −488−100.0% | Sold out |
| Persistent Asset Partners Ltd | 0 | $0 | 0.00% | −331−100.0% | Sold out |
| Proffitt & Goodson Inc | 0 | $0 | 0.00% | −315−100.0% | Sold out |
| Geneos Wealth Management Inc. | 0 | $0 | 0.00% | −235−100.0% | Sold out |
| Rialto Wealth Management, LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Norges Bank | – | – | – | – | Not filed |
| E Fund Management Co., Ltd. | – | – | – | – | Not filed |
| First Horizon Advisors, Inc. | – | – | – | – | Not filed |
| Parkworth Wealth Management, Inc. | – | – | – | – | Not filed |