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

050100150200250 Q1 2024: 103Q1 2024Q2 2024: 121Q2 2024Q3 2024: 164Q3 2024Q4 2024: 196Q4 2024Q1 2025: 202Q1 2025Q2 2025: 226Q2 2025Q3 2025: 232Q3 2025Q4 2025: 206Q4 2025Q1 2026: 222Q1 2026Q2 2026: 242Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions52$81.6M
Exits34$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
ProShare Advisors LLC 0.00% Add +5.5% 34,686 $658K
LMR Partners LLP 0.01% Reduce -54.6% 34,122 $647K
Public Employees Retirement System of Ohio 0.00% Reduce -3.3% 33,999 $645K
Legal & General Group Plc 0.00% Add +16.6% 31,892 $605K
Cetera Investment Advisers 0.00% New 29,738 $564K
VANGUARD ASSET MANAGEMENT, Ltd 0.00% — 28,611 $542K
Machina Capital S.A.S. 0.10% Add +125.2% 26,199 $497K
Great Valley Advisor Group, Inc. 0.01% No change 25,640 $486K
CIBC Asset Management Inc 0.00% No change 24,289 $461K
Banque Cantonale Vaudoise 0.02% New 23,916 $453K
Tower Research Capital LLC (TRC) 0.01% New 23,703 $449K
VARCOV Co. 0.17% New 23,509 $446K
Capstone Capital Management Ltd 0.44% Reduce -17.9% 23,146 $439K
Schonfeld Strategic Advisors LLC 0.00% Reduce -17.6% 22,505 $427K
WINTON GROUP Ltd 0.01% New 22,400 $425K
Allianz Asset Management GmbH 0.00% No change 22,200 $421K
Entropy Technologies, LP 0.02% Reduce -13.4% 21,783 $413K
Raymond James Financial Inc. 0.00% Add +17.1% 20,904 $396K
Xponance LLC 0.00% Add +14.7% 20,075 $381K
Prelude Capital Management, LLC 0.03% New 20,000 $379K
Vance Wealth, LLC 0.11% No change 19,983 $379K
Q3 Asset Management 0.09% Add +2.0% 19,950 $378K
Sei Investments Co. 0.00% Add +95.6% 19,681 $373K
New York Life Investment Management LLC 0.00% New 19,521 $370K
Alliancebernstein L.P. 0.00% Reduce -3.6% 19,853 $347K
Russell Investments Group, Ltd. 0.00% Add +6.0% 17,986 $341K
GF Fund Management Co. LTD. 0.01% Add +14.3% 16,720 $317K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +8.9% 18,357 $312K
Bellevue Group AG 0.01% Add +11.2% 15,858 $301K
Gotham Asset Management 0.00% No change 15,727 $298K
Virtus Investment Advisers, LLC 0.08% Add +2.5% 15,519 $294K
Creative Planning 0.00% Add +6.1% 13,597 $258K
Three Seasons Wealth, LLC 0.09% No change 12,869 $244K
Blankinship & Foster, LLC 0.05% No change 12,777 $242K
Arrowpoint Investment Partners (Singapore) Pte. Ltd. 0.34% New 12,136 $230K
U.S. Capital Wealth Advisors, LLC 0.01% Add +0.1% 12,009 $228K
Lighthouse Investment Partners, LLC 0.01% New 11,991 $227K
DRW Securities, LLC 0.01% New 11,533 $219K
Advisors Asset Management, Inc. 0.00% Reduce -1.3% 10,984 $208K
Jain Global LLC 0.00% New 10,786 $205K
Evoke Wealth, LLC 0.00% Reduce -3.5% 10,668 $202K
PSP Research LLC 0.14% New 10,223 $194K
Willis Investment Counsel 0.01% Reduce -3.8% 10,000 $190K
Federation des caisses Desjardins du Quebec 0.00% Add +3.1% 8,881 $168K
Simplex Trading, LLC 0.00% New 8,410 $159K
Royal Bank of Canada 0.00% Add +132.2% 7,422 $141K
MetLife Investment Management, LLC 0.00% Reduce -4.8% 7,186 $136K
Eurizon Capital SGR S.p.A. 0.00% Reduce -73.1% 6,908 $131K
California State Teachers Retirement System 0.00% Reduce -12.1% 6,391 $121K
Osaic Holdings, Inc. 0.00% Add +2.2% 5,398 $102K
Osterweis Capital Management Inc. 0.01% No change 5,000 $95K
Fifth Third Bancorp 0.00% Add +24.4% 3,732 $71K
STRS Ohio 0.00% Reduce -0.1% 2,794 $53K
Truvestments Capital LLC 0.01% No change 2,603 $49K
Adirondack Trust Co. 0.02% No change 2,500 $47K
National Bank of Canada 0.00% Add +31.1% 2,223 $42K
Parallel Advisors, LLC 0.00% Add +4178.0% 2,139 $41K
US Bancorp \de 0.00% Add +469.2% 1,850 $35K
Larson Financial Group LLC 0.00% Add +0.6% 1,834 $35K
GAMMA Investing LLC 0.00% Add +103.6% 1,639 $31K
Ball & Co Wealth Management Inc. 0.02% New 1,500 $28K
PNC Financial Services Group, Inc. 0.00% Add +154.2% 1,243 $24K
Cwm, LLC 0.00% Add +283.4% 1,131 $21K
Vermillion Wealth Management, Inc. 0.01% Add +98.4% 1,000 $19K
E Fund Management (Hong Kong) Co., Ltd. 0.01% New 954 $18K
Jones Financial Companies LLLP 0.00% Add +89.0% 1,036 $17K
CX Institutional 0.00% New 848 $16K
Sterling Capital Management LLC 0.00% No change 836 $16K
Versant Capital Management, Inc 0.00% Add +8210.0% 831 $16K
Golden State Wealth Management, LLC 0.00% No change 828 $16K
Smartleaf Asset Management LLC 0.00% Add +4.3% 662 $11K
Harbour Investments, Inc. 0.00% Add +812.3% 520 $10K
Los Angeles Capital Management LLC 0.00% New 514 $10K
Rosenberg Matthew Hamilton 0.00% No change 501 $9K
LRI Investments, LLC 0.00% New 500 $9K
EverSource Wealth Advisors, LLC 0.00% Add +206.5% 426 $8K
Sound Income Strategies, LLC 0.00% Reduce -59.2% 410 $8K
Covestor Ltd 0.00% Reduce -45.3% 360 $7K
AdvisorNet Financial, Inc 0.00% Add +54.8% 353 $7K
FIL Ltd 0.00% New 345 $7K
MAI Capital Management 0.00% New 297 $6K
SBI Securities Co., Ltd. 0.00% Add +1.0% 292 $6K
WPG Advisers, LLC 0.00% No change 288 $5K
Nisa Investment Advisors, LLC 0.00% Add +16.5% 276 $5K
Allworth Financial LP 0.00% Add +291.3% 270 $5K
IFP Advisors, Inc 0.00% Reduce -96.2% 169 $3K
Bessemer Group Inc. 0.00% Reduce -86.7% 135 $3K
Pinnacle Wealth Planning Services, Inc. 0.00% New 144 $3K
Transamerica Financial Advisors, LLC 0.00% Add +1816.7% 115 $2K
Quent Capital, LLC 0.00% New 105 $2K
Arax Advisory Partners 0.00% Add +11.7% 105 $2K
Signaturefd, LLC 0.00% Add +23.1% 96 $2K
Aster Capital Management (DIFC) Ltd 0.00% New 91 $2K
Elevation Wealth Partners, LLC 0.00% New 91 $2K
Toth Financial Advisory Corp. 0.00% No change 90 $2K
Wealth Enhancement Trust Services, Inc. 0.00% New 81 $2K
TD Private Client Wealth LLC 0.00% No change 74 $1K
Marquette Asset Management, LLC 0.00% Add +57.1% 44 $835
CVA Family Office, LLC 0.00% No change 40 $758
Ascentis Independent Advisors 0.00% New 40 $758
Rockefeller Capital Management L.P. 0.00% New 37 $702
Bell Investment Advisors, Inc 0.00% New 33 $626
Horizon Investments, LLC 0.00% New 28 $531
SHP Wealth Management 0.00% Add +150.0% 25 $474
UMB Bank, n.a. 0.00% New 24 $455
Parkside Financial Bank & Trust 0.00% New 20 $380
Stone House Investment Management, LLC 0.00% Add +200.0% 18 $341
Twin Peaks Wealth Advisors, LLC 0.00% New 12 $228
1015 Capital Partners, LLC 0.00% Add +900.0% 10 $190
Hughes Financial Services, LLC 0.00% Reduce -14.3% 6 $114
MassMutual Private Wealth & Trust, FSB 0.00% New 5 $95
MV Capital Management, Inc. 0.00% New 5 $95
Rakuten Securities, Inc. 0.00% No change 5 $95
Rothschild Investment LLC 0.00% Add +50.0% 3 $57
Activest Wealth Management 0.00% New 3 $57
True Wealth Design, LLC 0.00% Reduce -50.0% 3 $57
Cassaday & Co Wealth Management LLC 0.00% New 2 $38
Keating Financial Advisory Services, Inc. 0.00% Add +100.0% 2 $38
Ameritas Advisory Services, LLC 0.00% New 1 $19
Root Financial Partners, LLC 0.00% Reduce -50.0% 1 $19
Seneschal Advisors, LLC 0.00% Reduce -50.0% 1 $19
Capital Advisors, Ltd. LLC 0.00% New 1 $0

"% of holder's portfolio" is SMMT's weight in each manager's 13F, not the share of Summit Therapeutics Inc. the manager owns.