SMMT · Summit Therapeutics Inc. · Holdings
$17.55
+0.55 (+3.24%)
At close · Sep 11
Going-concern doubt
— flagged Jul 23, 2026
Substantial doubt about the company's ability to continue as a going concern.
“These conditions raise substantial doubt about the Company's ability to continue as a going concern.”View the 10-Q filed Jul 23, 2026
Market Cap
$14.00B
Shares
797.75M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 248
Total Value: $2,077,845,728
Total Shares: 142,611,248
Showing 1–100
of 269 holdings by value
· page 1 of 3
Institutional Ownership Trend
24 quarters
Superinvestors Holding SMMT
All superinvestors →Holder Concentration
Across 248 13F filers · Δ vs Mar 31, 2026Top Holder
23.0%
−6.6 pts
Top 5
47.4%
−11.3 pts
Top 10
63.2%
−12.2 pts
HHI
769
Broadly held−402
Quarterly Activity
vs Mar 31, 2026
New
57
Increased
101
Decreased
59
Sold Out
36
Unchanged
31
Holder count:
+21
Institutional value:
-10.8%
Shares held:
+16.0%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega GOLDMAN SACHS GROUP INC | +4,202,671 | 4,513,399 | |
| Large Point72 Asset Management, L.P. | +2,896,717 | 3,697,803 | |
| Mega STATE STREET CORP | +2,508,636 | 9,536,796 | |
| Mega MILLENNIUM MANAGEMENT LLC | +2,222,808 | 2,349,081 | |
| Mega CITADEL ADVISORS LLC | +1,814,173 | 2,875,116 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | −4,384,039 | 3,893,820 | |
| Large BAKER BROS. ADVISORS LP | −3,604,715 | 32,786,348 | |
| Mega D. E. Shaw & Co., Inc. | −998,673 | 1,243,556 | |
| Mega FMR LLC | −809,252 | 10,043,947 | |
| Mega TD Asset Management Inc | −530,810 | 426,084 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Large ADAGE CAPITAL PARTNERS GP, L.L.C. | 1,989,591 | $28,988,340 | |
| Mega NORGES BANK | 1,382,519 | $20,143,301 | |
| Mid Logos Global Management LP | 1,350,000 | $19,669,500 | |
| Mid Octagon Capital Advisors LP | 1,250,000 | $18,212,500 | |
| Mid Kynam Capital Management, LP | 1,200,000 | $17,484,000 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Small SUPERSTRING CAPITAL MANAGEMENT LP | 892,873 | $16,928,872 | |
| Large ExodusPoint Capital Management, LP | 256,255 | $4,858,594 | |
| Mid Y-Intercept (Hong Kong) Ltd | 119,655 | $2,268,658 | |
| Large Jefferies Financial Group Inc. | 100,000 | $1,896,000 | |
| Mega CANADA PENSION PLAN INVESTMENT BOARD | 91,000 | $1,725,360 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Large BAKER BROS. ADVISORS LP | $477,697,090 | 22.99% | 32,786,348 | Shares | 2026-08-14 | |
| Mega FMR LLC | $146,340,306 | 7.04% | 10,043,947 | Shares | 2026-08-13 | |
| Mega STATE STREET CORP | $138,951,117 | 6.69% | 9,536,796 | Shares | 2026-08-07 | |
| Mega BlackRock, Inc. | $138,838,122 | 6.68% | 9,529,041 | Shares | 2026-08-07 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $83,551,431 | 4.02% | 5,734,484 | Shares | 2026-08-13 | |
| Mega UBS Group AG | $76,256,436 | 3.67% | 5,233,798 | Shares | 2026-08-13 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC | $73,464,708 | 3.54% | 5,042,190 | Shares | 2026-08-13 | |
| Mega GOLDMAN SACHS GROUP INC | $65,760,223 | 3.16% | 4,513,399 | Shares | 2026-08-14 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | $56,732,957 | 2.73% | 3,893,820 | Shares | 2026-08-14 | |
| Large Point72 Asset Management, L.P. | $53,876,989 | 2.59% | 3,697,803 | Shares | 2026-08-14 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $49,935,221 | 2.40% | 3,427,263 | Shares | 2026-08-12 | |
| Mega MILLENNIUM MANAGEMENT LLC | $34,226,110 | 1.65% | 2,349,081 | Shares | 2026-08-14 | |
| Large ADAGE CAPITAL PARTNERS GP, L.L.C. | $28,988,340 | 1.40% | 1,989,591 | Shares | 2026-08-14 | |
| Large Balyasny Asset Management L.P. | $27,744,980 | 1.34% | 1,904,254 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC | $25,143,682 | 1.21% | 1,725,716 | Shares | 2026-09-02 | |
| Large Aberdeen Group plc | $24,676,130 | 1.19% | 1,693,626 | Shares | 2026-07-31 | |
| Large Squarepoint Ops LLC | $23,177,023 | 1.12% | 1,590,736 | Shares | 2026-08-14 | |
| Mega MORGAN STANLEY | $21,126,775 | 1.02% | 1,450,019 | Shares | 2026-08-13 | |
| Mega NORGES BANK Bank | $20,143,301 | 0.97% | 1,382,519 | Shares | 2026-08-12 | |
| Mid Logos Global Management LP | $19,669,500 | 0.95% | 1,350,000 | Shares | 2026-08-14 | |
| Mid Octagon Capital Advisors LP | $18,212,500 | 0.88% | 1,250,000 | Shares | 2026-08-14 | |
| Mega D. E. Shaw & Co., Inc. | $18,118,610 | 0.87% | 1,243,556 | Shares | 2026-08-14 | |
| Mid Kynam Capital Management, LP | $17,484,000 | 0.84% | 1,200,000 | Shares | 2026-08-14 | |
| Mega Pictet Asset Management Holding SA | $16,526,736 | 0.80% | 1,134,299 | Shares | 2026-07-30 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $16,161,044 | 0.78% | 1,109,200 | Put | 2026-08-14 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $14,232,719 | 0.68% | 976,851 | Shares | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $14,083,143 | 0.68% | 966,585 | Shares | 2026-08-13 | |
| Small APEIRON CAPITAL Ltd | $14,014,387 | 0.67% | 961,866 | Shares | 2026-08-06 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $12,602,801 | 0.61% | 864,983 | Shares | 2026-08-14 | |
| Small DIADEMA PARTNERS LP | $12,533,114 | 0.60% | 860,200 | Call | 2026-08-14 | |
| Mega SCHRODER INVESTMENT MANAGEMENT GROUP | $12,179,980 | 0.59% | 835,963 | Shares | 2026-08-13 | |
| Large LMR Partners LLP | $11,953,228 | 0.58% | 820,400 | Put | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $11,226,185 | 0.54% | 770,500 | Call | 2026-08-14 | |
| Mid Rock Springs Capital Management LP | $10,417,550 | 0.50% | 715,000 | Shares | 2026-08-14 | |
| Mega CITIGROUP INC | $10,402,979 | 0.50% | 714,000 | Shares | 2026-08-03 | |
| Mega TWO SIGMA INVESTMENTS, LP | $10,151,122 | 0.49% | 696,714 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC | $9,352,483 | 0.45% | 641,900 | Call | 2026-09-02 | |
| Mega NORTHERN TRUST CORP Bank | $9,234,377 | 0.44% | 633,794 | Shares | 2026-08-13 | |
| Large MARSHALL WACE, LLP | $8,409,657 | 0.40% | 577,190 | Shares | 2026-08-13 | |
| Mega AQR CAPITAL MANAGEMENT LLC | $7,899,532 | 0.38% | 542,178 | Shares | 2026-08-14 | |
| Large Candriam S.C.A. | $7,757,534 | 0.37% | 532,432 | Shares | 2026-08-13 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $7,595,909 | 0.37% | 521,339 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC | $7,394,275 | 0.36% | 507,500 | Put | 2026-09-02 | |
| Small Elmind Capital, LP | $7,194,957 | 0.35% | 493,820 | Shares | 2026-08-14 | |
| Mega WELLINGTON MANAGEMENT GROUP LLP | $6,438,976 | 0.31% | 441,934 | Shares | 2026-08-14 | |
| Mega Bank of New York Mellon Corp Bank | $6,284,020 | 0.30% | 431,299 | Shares | 2026-08-06 | |
| Large WORLDQUANT MILLENNIUM ADVISORS LLC | $6,280,077 | 0.30% | 431,028 | Shares | 2026-08-14 | |
| Mega TD Asset Management Inc | $6,208,043 | 0.30% | 426,084 | Shares | 2026-08-04 | |
| Mega Invesco Ltd. | $6,073,459 | 0.29% | 416,847 | Shares | 2026-08-14 | |
| Mid Jump Financial, LLC | $5,676,732 | 0.27% | 389,618 | Shares | 2026-08-13 | |
| Mid QVT Financial LP | $5,252,834 | 0.25% | 360,524 | Shares | 2026-08-14 | |
| Mid Ghisallo Capital Management LLC | $5,099,500 | 0.25% | 350,000 | Shares | 2026-08-14 | |
| Small HOHIMER WEALTH MANAGEMENT, LLC | $4,940,687 | 0.24% | 339,100 | Shares | 2026-08-03 | |
| Mega JANE STREET GROUP, LLC | $4,841,611 | 0.23% | 332,300 | Put | 2026-08-14 | |
| Large Caption Management, LLC | $4,758,562 | 0.23% | 326,600 | Call | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $4,391,398 | 0.21% | 301,400 | Call | 2026-08-14 | |
| Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance | $4,341,860 | 0.21% | 298,000 | Shares | 2026-09-09 | |
| Mega Nuveen, LLC | $4,296,211 | 0.21% | 294,867 | Shares | 2026-08-11 | |
| Mega BNP PARIBAS ARBITRAGE, SA | $4,005,205 | 0.19% | 274,894 | Shares | 2026-08-13 | |
| Mid DARK FOREST CAPITAL MANAGEMENT LP | $3,549,353 | 0.17% | 243,607 | Shares | 2026-08-14 | |
| Large Squarepoint Ops LLC | $3,509,913 | 0.17% | 240,900 | Call | 2026-08-14 | |
| Mega DEUTSCHE BANK AG\ Bank | $3,487,285 | 0.17% | 239,347 | Shares | 2026-08-07 | |
| Mid Polymer Capital Management (HK) LTD | $3,276,108 | 0.16% | 224,853 | Shares | 2026-08-13 | |
| Small SECTORAL ASSET MANAGEMENT INC | $3,208,022 | 0.15% | 220,180 | Shares | 2026-08-14 | |
| Large Woodline Partners LP | $3,125,366 | 0.15% | 214,507 | Shares | 2026-08-14 | |
| Mega BARCLAYS PLC | $3,062,715 | 0.15% | 210,207 | Shares | 2026-08-14 | |
| Mega WELLS FARGO & COMPANY/MN | $3,036,576 | 0.15% | 208,413 | Shares | 2026-08-14 | |
| Large Rafferty Asset Management, LLC | $3,010,526 | 0.14% | 206,625 | Shares | 2026-08-14 | |
| Small DIADEMA PARTNERS LP | $2,914,000 | 0.14% | 200,000 | Put | 2026-08-14 | |
| Large VOYA INVESTMENT MANAGEMENT LLC | $2,905,111 | 0.14% | 199,390 | Shares | 2026-08-12 | |
| Large HRT FINANCIAL LP | $2,879,804 | 0.14% | 197,653 | Shares | 2026-08-14 | |
| Small GRIFFIN ASSET MANAGEMENT, INC. | $2,820,489 | 0.14% | 193,582 | Shares | 2026-07-23 | |
| Mid ADAR1 Capital Management, LLC | $2,795,531 | 0.13% | 191,869 | Shares | 2026-08-14 | |
| Large Trexquant Investment LP | $2,681,069 | 0.13% | 184,013 | Shares | 2026-08-14 | |
| Large Focus Partners Wealth | $2,481,824 | 0.12% | 170,338 | Shares | 2026-08-12 | |
| Mid China Universal Asset Management Co., Ltd. | $1,945,488 | 0.09% | 133,527 | Shares | 2026-07-24 | |
| Mega DIMENSIONAL FUND ADVISORS LP | $1,864,637 | 0.09% | 127,978 | Shares | 2026-08-11 | |
| Mega RHUMBLINE ADVISERS | $1,848,860 | 0.09% | 126,895 | Shares | 2026-08-12 | |
| Mid Tema ETFs LLC Mutual Fund | $1,764,383 | 0.08% | 121,097 | Shares | 2026-07-10 | |
| Large Tidal Investments LLC | $1,764,383 | 0.08% | 121,097 | Shares | 2026-08-13 | |
| Mega HSBC HOLDINGS PLC | $1,756,559 | 0.08% | 120,560 | Shares | 2026-08-14 | |
| Large Cerity Partners LLC | $1,668,337 | 0.08% | 114,505 | Shares | 2026-08-14 | |
| Large Quantinno Capital Management LP | $1,652,995 | 0.08% | 113,452 | Shares | 2026-08-13 | |
| Large NOMURA HOLDINGS INC | $1,637,070 | 0.08% | 112,359 | Shares | 2026-08-14 | |
| Mega BANK OF MONTREAL /CAN/ Bank | $1,524,384 | 0.07% | 104,625 | Shares | 2026-08-12 | |
| Large Caption Management, LLC | $1,487,597 | 0.07% | 102,100 | Put | 2026-08-14 | |
| Mid PROFUND ADVISORS LLC | $1,464,998 | 0.07% | 100,549 | Shares | 2026-08-11 | |
| Large LMR Partners LLP | $1,458,457 | 0.07% | 100,100 | Call | 2026-08-14 | |
| Large Caption Management, LLC | $1,457,000 | 0.07% | 100,000 | Shares | 2026-08-14 | |
| Mid Affinity Asset Advisors, LLC | $1,457,000 | 0.07% | 100,000 | Call | 2026-08-13 | |
| Large NOMURA HOLDINGS INC | $1,440,973 | 0.07% | 98,900 | Call | 2026-08-14 | |
| Mid Beacon Pointe Advisors, LLC | $1,429,520 | 0.07% | 98,114 | Shares | 2026-08-18 | |
| Large LMR Partners LLP | $1,401,298 | 0.07% | 96,177 | Shares | 2026-08-14 | |
| Large STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM Pension | $1,372,916 | 0.07% | 94,229 | Shares | 2026-08-10 | |
| Small AXQ CAPITAL, LP | $1,364,101 | 0.07% | 93,624 | Shares | 2026-08-06 | |
| Large Schonfeld Strategic Advisors LLC | $1,333,985 | 0.06% | 91,557 | Shares | 2026-08-14 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $1,316,223 | 0.06% | 90,338 | Shares | 2026-08-13 | |
| Small Wealth Management Partners, LLC | $1,300,722 | 0.06% | 89,274 | Shares | 2026-07-22 | |
| Mid XTX Topco Ltd | $1,186,027 | 0.06% | 81,402 | Shares | 2026-08-14 | |
| Small Seven Fleet Capital Management LP | $1,067,981 | 0.05% | 73,300 | Shares | 2026-08-17 |
Key facts
CIK
1599298
CUSIP
86627T108
13F (30d)
93 filings
93 filers
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