Summit TherapeuticsSMMT

13F holders, Q2 2026 (June 30)
242holders +20
53new positions
32sold out
6famous investors
$14.57avg. 13F price*

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

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 Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions53$123.6M
Exits32$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.