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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, Q2 2026

Institutional positions in Summit Therapeutics Inc. as of Jun 30, 2026. 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
242
+22 vs. Q1 2026
Shares held
135.9M
+17.0M (+14.3%) vs. Q1 2026
Total value
$1.98B
−$272.3M (−12.1%) vs. Q1 2026
New holders
57
98 more added
Sold out
35
57 more reduced

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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.

Institutional holdersQ2 2026: 242 institutions
Q1 2021: 38 institutionsQ2 2021: 54 institutionsQ3 2021: 51 institutionsQ4 2021: 52 institutionsQ1 2022: 48 institutionsQ2 2022: 41 institutionsQ3 2022: 42 institutionsQ4 2022: 57 institutionsQ1 2023: 86 institutionsQ2 2023: 96 institutionsQ3 2023: 91 institutionsQ4 2023: 95 institutionsQ1 2024: 103 institutionsQ2 2024: 121 institutionsQ3 2024: 164 institutionsQ4 2024: 196 institutionsQ1 2025: 202 institutionsQ2 2025: 226 institutionsQ3 2025: 232 institutionsQ4 2025: 206 institutionsQ1 2026: 222 institutionsQ2 2026: 242 institutions
Value heldQ2 2026: $1.98B
Q1 2021: $54.5MQ2 2021: $82.4MQ3 2021: $55.3MQ4 2021: $30.0MQ1 2022: $27.4MQ2 2022: $8.46MQ3 2022: $3.78MQ4 2022: $34.5MQ1 2023: $37.0MQ2 2023: $87.6MQ3 2023: $60.4MQ4 2023: $84.4MQ1 2024: $205.5MQ2 2024: $563.0MQ3 2024: $1.85BQ4 2024: $1.65BQ1 2025: $1.91BQ2 2025: $2.08BQ3 2025: $2.13BQ4 2025: $2.06BQ1 2026: $2.25BQ2 2026: $1.98B
Institutions holding SMMT and their total value by quarter
QuarterHoldersValue
Q2 2026242$1.98B
Q1 2026222$2.25B
Q4 2025206$2.06B
Q3 2025232$2.13B
Q2 2025226$2.08B
Q1 2025202$1.91B
Q4 2024196$1.65B
Q3 2024164$1.85B
Q2 2024121$563.0M
Q1 2024103$205.5M
Q4 202395$84.4M
Q3 202391$60.4M
Q2 202396$87.6M
Q1 202386$37.0M
Q4 202257$34.5M
Q3 202242$3.78M
Q2 202241$8.46M
Q1 202248$27.4M
Q4 202152$30.0M
Q3 202151$55.3M
Q2 202154$82.4M
Q1 202138$54.5M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Summit Therapeutics Inc.; share changes are against Q1 2026.

Institutions holding SMMT in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
nVerses Capital, LLC17,749$258.6K0.40%+17,749New
State of Wisconsin Investment Board17,897$260.8K0.00%−44,638−71.4%Reduced
Excelsior Advisor Network LLC17,975$261.9K0.03%+17,975New
Legal & General Group Plc18,247$265.9K0.00%−13,645−42.8%Reduced
Q3 Asset Management19,950$290.0K0.05%00.0%Unchanged
Vance Wealth, Inc.19,983$291.2K0.07%00.0%Unchanged
Xponance, Inc.21,888$318.9K0.00%+1,813+9.0%Added
LPL Financial LLC22,261$324.3K0.00%+22,261New
Raymond James Financial Inc22,817$332.4K0.00%+1,913+9.2%Added
US Bancorp23,219$338.3K0.00%+21,369+1,155.1%Added
Virtus Investment Advisers, Inc.23,355$340.3K0.08%+7,836+50.5%Added
Mirae Asset Global ETFs Holdings Ltd.24,002$343.7K0.00%+5,645+30.8%Added
SRS Capital Advisors, Inc.24,044$350.3K0.00%+23,939+22,799.0%Added
CIBC Asset Management Inc24,289$353.9K0.00%00.0%Unchanged
Aigen Investment Management, LP24,477$356.6K0.10%+24,477New
Banque Cantonale Vaudoise25,195$367.0K0.01%+1,279+5.3%Added
Farther Finance Advisors, LLC25,301$368.6K0.00%−25,015−49.7%Reduced
ProShare Advisors LLC25,451$370.8K0.00%−9,235−26.6%Reduced
Summit Trail Advisors, LLC25,585$372.8K0.00%+25,585New
Great Valley Advisor Group, Inc.25,840$376.6K0.01%+200+0.8%Added
Vanguard Asset Management, Ltd28,611$416.9K0.00%00.0%Unchanged
Alliancebernstein L.P.22,004$417.2K0.00%+2,151+10.8%Added
Cetera Investment Advisers28,901$421.1K0.00%−837−2.8%Reduced
Allianz Asset Management GmbH29,800$434.2K0.00%+7,600+34.2%Added
Cinctive Capital Management LP29,871$435.2K0.02%+29,871New
TCG Advisory Services, LLC30,197$440.0K0.01%+30,197New
E Fund Management Co., Ltd.30,468$443.9K0.01%−281,357−90.2%Reduced
Verition Fund Management LLC31,200$454.6K0.00%−4,963−13.7%Reduced
Mirae Asset Global Investments Co., Ltd.35,876$522.7K0.00%−6,507−15.4%Reduced
State of Wyoming35,973$524.1K0.05%+35,973New
CWM Advisors, LLC36,609$533.4K0.02%+36,609New
Public Employees Retirement System of Ohio38,501$561.0K0.00%+4,502+13.2%Added
Russell Investments Group, Ltd.41,693$607.5K0.00%+23,707+131.8%Added
SEI Investments Co44,097$642.4K0.00%+24,416+124.1%Added
Group One Trading, L.P.44,450$647.6K0.02%+1,669+3.9%Added
Brevan Howard Capital Management LP45,164$658.0K0.01%+45,164New
Steward Partners Investment Advisory, LLC45,786$667.1K0.00%+6,939+17.9%Added
Levin Capital Strategies, L.P.46,176$672.8K0.05%+8,500+22.6%Added
Ameriprise Financial Inc46,320$674.9K0.00%−1,347−2.8%Reduced
DnB Asset Management AS49,305$718.4K0.00%−1,253−2.5%Reduced
New York State Common Retirement Fund53,777$783.5K0.00%00.0%Unchanged
Machina Capital S.A.S.54,875$799.5K0.13%+28,676+109.5%Added
Hudson Bay Capital Management LP54,950$800.6K0.00%+54,950New
Handelsbanken Fonder AB55,500$809.0K0.00%+10,900+24.4%Added
Entropy Technologies, LP57,017$830.7K0.03%+35,234+161.7%Added
Treasurer of the State of North Carolina57,527$838.0K0.00%+7,520+15.0%Added
Vanguard Global Advisers, LLC59,105$861.2K0.00%−2,031−3.3%Reduced
Assenagon Asset Management S.A.59,621$868.7K0.00%00.0%Unchanged
Diadema Partners LP60,000$874.2K0.31%+60,000New
Police & Firemen's Retirement System of New Jersey60,337$879.1K0.01%+7,718+14.7%Added
Bridgefront Capital, LLC60,416$880.3K0.23%+60,416New
Illinois Municipal Retirement Fund62,734$914.0K0.01%−49,160−43.9%Reduced
VARCOV Co.63,957$931.9K0.35%+40,448+172.1%Added
Guggenheim Capital LLC67,835$988.4K0.01%+1,433+2.2%Added
Engineers Gate Manager LP67,871$988.9K0.01%+67,871New
Nicolet Bankshares Inc72,593$1.06M0.03%+72,593New
JPMorgan Chase & Co68,169$1.07M0.00%+3,615+5.6%Added
Seven Fleet Capital Management LP73,300$1.09M0.18%+73,300New
XTX Topco Ltd81,402$1.19M0.02%+81,402New
Wealth Management Partners, LLC89,274$1.30M0.31%+25,490+40.0%Added
UBS Asset Management Americas Inc90,338$1.32M0.00%+10,642+13.4%Added
Schonfeld Strategic Advisors LLC91,557$1.33M0.01%+69,052+306.8%Added
Axq Capital, LP93,624$1.36M0.15%+46,356+98.1%Added
State Board of Administration of Florida Retirement System94,229$1.37M0.00%−1,780−1.9%Reduced
LMR Partners LLP96,177$1.40M0.01%+62,055+181.9%Added
Beacon Pointe Advisors, LLC98,114$1.43M0.01%+3,720+3.9%Added
Caption Management, LLC100,000$1.46M0.05%+100,000New
Profund Advisors LLC100,549$1.46M0.04%−12,377−11.0%Reduced
Bank of Montreal104,625$1.52M0.00%−3,334−3.1%Reduced
Nomura Holdings Inc112,359$1.64M0.01%−201,622−64.2%Reduced
Quantinno Capital Management LP113,452$1.65M0.00%+39,617+53.7%Added
Cerity Partners LLC114,505$1.67M0.00%+719+0.6%Added
Toroso Investments, LLC121,097$1.76M0.00%+783+0.7%Added
Tema ETFs LLC121,097$1.76M0.06%+1,566+1.3%Added
HSBC Holdings PLC120,560$1.78M0.00%+120,560New
Rhumbline Advisers126,895$1.85M0.00%−2,647−2.0%Reduced
Dimensional Fund Advisors LP127,978$1.86M0.00%+39,482+44.6%Added
China Universal Asset Management Co., Ltd.133,527$1.95M0.12%−4,069−3.0%Reduced
Colony Group, LLC170,338$2.48M0.00%+86,418+103.0%Added
Trexquant Investment LP184,013$2.68M0.02%+184,013New
ADAR1 Capital Management, LLC191,869$2.80M0.13%+100,000+108.9%Added
Griffin Asset Management, Inc.193,582$2.82M0.30%+1,710+0.9%Added
HRT Financial LP197,653$2.88M0.01%+197,653New
Voya Investment Management LLC199,390$2.91M0.00%+69,153+53.1%Added
Rafferty Asset Management, LLC206,625$3.01M0.01%−52,449−20.2%Reduced
Wells Fargo & Company208,413$3.04M0.00%+88,112+73.2%Added
Barclays PLC210,207$3.06M0.00%+161,104+328.1%Added
Woodline Partners LP214,507$3.13M0.01%00.0%Unchanged
Sectoral Asset Management Inc220,180$3.21M2.24%+150,565+216.3%Added
Polymer Capital Management (HK) LTD224,853$3.28M0.33%+91,819+69.0%Added
Deutsche Bank AG239,347$3.49M0.00%+1,559+0.7%Added
Dark Forest Capital Management LP243,607$3.55M0.23%+162,827+201.6%Added
BNP Paribas Arbitrage, SA274,894$4.01M0.00%+225,854+460.6%Added
Nuveen, LLC294,867$4.30M0.00%+50,875+20.9%Added
Manufacturers Life Insurance Company, The298,000$4.34M0.00%−294,810−49.7%Reduced
Hohimer Wealth Management, LLC339,100$4.94M0.51%+339,100New
Ghisallo Capital Management LLC350,000$5.10M0.10%+350,000New
QVT Financial LP360,524$5.25M0.34%00.0%Unchanged
Jump Financial, LLC389,618$5.68M0.05%+273,880+236.6%Added
Invesco Ltd.416,847$6.07M0.00%−109,256−20.8%Reduced