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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 2025

Institutional positions in Summit Therapeutics Inc. as of Jun 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
226
+25 vs. Q1 2025
Shares held
97.9M
−879.7K (−0.9%) vs. Q1 2025
Total value
$2.08B
+$173.6M (+9.1%) vs. Q1 2025
New holders
67
64 more added
Sold out
42
71 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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.

Institutional holdersQ2 2025: 226 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 2025: $2.08B
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 2025

Shares, value and share of portfolio for each institution holding Summit Therapeutics Inc.; share changes are against Q1 2025.

Institutions holding SMMT in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Q3 Asset Management19,567$416.0K0.15%+3,094+18.8%Added
Vance Wealth, Inc.19,915$423.8K0.14%+80.0%Added
Creative Planning21,390$455.2K0.00%+1,336+6.7%Added
CIBC Asset Management Inc22,123$470.8K0.00%00.0%Unchanged
E Fund Management Co., Ltd.22,196$472.3K0.02%−273,421−92.5%Reduced
Catalyst Funds Management Pty Ltd22,300$474.5K0.13%+22,300New
AQR Capital Management LLC22,312$474.8K0.00%−43,311−66.0%Reduced
SeaCrest Wealth Management, LLC22,717$483.4K0.05%−2,203−8.8%Reduced
Calamos Advisors LLC23,117$491.9K0.00%−860−3.6%Reduced
Great Valley Advisor Group, Inc.25,173$535.7K0.01%+40+0.2%Added
SEI Investments Co26,303$559.7K0.00%+26,303New
Legal & General Group Plc26,367$561.1K0.00%+6,662+33.8%Added
ProShare Advisors LLC27,732$590.1K0.00%−25,455−47.9%Reduced
Allianz Asset Management GmbH29,800$634.1K0.00%−13,061−30.5%Reduced
BNP Paribas Arbitrage, SA29,844$635.1K0.00%−1,068,645−97.3%Reduced
Mirae Asset Global Investments Co., Ltd.30,548$650.1K0.00%+4,030+15.2%Added
Cambridge Investment Research Advisors, Inc.30,820$656.0K0.00%+30,820New
Illinois Municipal Retirement Fund31,062$661.0K0.01%+31,062New
Assetmark, Inc31,084$661.5K0.00%+31,084New
DnB Asset Management AS32,277$686.9K0.00%−5,086−13.6%Reduced
Stifel Financial Corp32,339$688.2K0.00%+32,339New
Ameriprise Financial Inc32,827$698.6K0.00%−9,543−22.5%Reduced
Inceptionr LLC33,096$704.3K0.16%+33,096New
Kestra Advisory Services, LLC33,423$711.2K0.00%−3,345−9.1%Reduced
Handelsbanken Fonder AB34,200$728.0K0.00%−2,900−7.8%Reduced
Guggenheim Capital LLC34,459$733.3K0.01%−6,198−15.2%Reduced
Levin Capital Strategies, L.P.36,176$769.8K0.08%00.0%Unchanged
Quantessence Capital LLC36,187$770.1K0.23%+36,187New
Public Employees Retirement System of Ohio36,265$771.7K0.00%+36,265New
Mercer Global Advisors Inc36,452$775.7K0.00%−943−2.5%Reduced
STRS Ohio36,899$785.2K0.00%+36,899New
Vident Advisory, LLC39,156$833.2K0.01%−2,027−4.9%Reduced
HighTower Advisors, LLC39,381$838.0K0.00%+184+0.5%Added
Profund Advisors LLC39,640$843.5K0.03%−7,544−16.0%Reduced
Wellington Management Group LLP39,694$844.7K0.00%−798−2.0%Reduced
LPL Financial LLC40,005$851.3K0.00%+26,545+197.2%Added
Neo Ivy Capital Management40,169$854.8K0.27%+40,169New
Man Group plc40,407$859.9K0.00%+21,402+112.6%Added
Bellevue Group AG41,738$888.2K0.02%−25,947−38.3%Reduced
XTX Topco Ltd43,448$924.6K0.04%+43,448New
Nomura Holdings Inc43,956$935.4K0.01%+43,956New
Police & Firemen's Retirement System of New Jersey44,588$948.8K0.01%+24,163+118.3%Added
Brinker Capital Investments, LLC52,964$1.13M0.01%+29,994+130.6%Added
Treasurer of the State of North Carolina54,560$1.16M0.00%+54,560New
Polar Asset Management Partners Inc.58,400$1.24M0.03%+45,956+369.3%Added
Polianta Ltd60,600$1.29M0.56%00.0%Unchanged
Sectoral Asset Management Inc65,220$1.39M0.92%−4,020−5.8%Reduced
Skandinaviska Enskilda Banken AB (publ)66,451$1.41M0.01%00.0%Unchanged
Landscape Capital Management, L.L.C.66,969$1.43M0.11%+66,969New
Rhenman & Partners Asset Management AB78,000$1.66M0.21%+78,000New
Wealth Management Partners, LLC75,612$1.71M0.60%−20,671−21.5%Reduced
Colony Group, LLC86,440$1.84M0.00%+1,965+2.3%Added
Royal Bank of Canada86,494$1.84M0.00%+84,613+4,498.3%Added
UBS Asset Management Americas Inc86,889$1.85M0.00%+86,889New
Engineers Gate Manager LP87,830$1.87M0.02%+87,830New
Jain Global LLC87,943$1.87M0.03%+87,943New
HealthInvest Partners AB92,737$1.97M0.84%−12,340−11.7%Reduced
Envestnet Asset Management Inc94,550$2.01M0.00%+94,550New
State Board of Administration of Florida Retirement System97,502$2.07M0.00%+64,432+194.8%Added
Bank of Montreal100,520$2.14M0.00%−83,505−45.4%Reduced
Citadel Advisors LLC102,417$2.18M0.00%−896,323−89.7%Reduced
Brevan Howard Capital Management LP104,660$2.23M0.02%+104,660New
NEOS Investment Management LLC106,943$2.28M0.03%+8,832+9.0%Added
Tema ETFs LLC106,943$2.28M0.60%+8,832+9.0%Added
Citigroup Inc113,338$2.41M0.00%−182,077−61.6%Reduced
Cerity Partners LLC114,844$2.44M0.00%+1,190+1.0%Added
Griffin Asset Management, Inc.119,382$2.54M0.30%+2,172+1.9%Added
Rhumbline Advisers122,394$2.60M0.00%−9,366−7.1%Reduced
BI Asset Management Fondsmaeglerselskab A/S125,100$2.66M0.03%+125,100New
D. E. Shaw & Co., Inc.137,445$2.92M0.00%+107,666+361.6%Added
Franklin Resources Inc139,146$2.96M0.00%+41,756+42.9%Added
Perseverance Asset Management International139,928$2.98M0.75%+48,569+53.2%Added
Schroder Investment Management Group144,507$3.08M0.00%−89,090−38.1%Reduced
China Universal Asset Management Co., Ltd.149,162$3.17M0.30%+1,196+0.8%Added
Sovran Advisors, LLC150,047$3.45M0.36%+3,519+2.4%Added
Nuveen, LLC180,449$3.84M0.00%−55,444−23.5%Reduced
Verition Fund Management LLC181,983$3.87M0.02%+181,983New
Woodline Partners LP182,012$3.87M0.02%+182,012New
Granahan Investment Management Inc185,640$3.95M0.16%+61,113+49.1%Added
Twinbeech Capital LP191,119$4.07M0.09%+191,119New
Rafferty Asset Management, LLC198,853$4.23M0.01%−30,889−13.4%Reduced
Russell Investments Group, Ltd.203,878$4.34M0.01%−7,126−3.4%Reduced
Voya Investment Management LLC205,699$4.38M0.00%−16,652−7.5%Reduced
JPMorgan Chase & Co206,107$4.39M0.00%−369,512−64.2%Reduced
Readystate Asset Management LP227,860$4.85M0.20%+227,860New
Wells Fargo & Company234,720$4.99M0.00%+108,450+85.9%Added
HRT Financial LP241,685$5.14M0.02%+241,685New
Jane Street Group, LLC249,710$5.31M0.01%+33,771+15.6%Added
Tang Capital Management LLC250,000$5.32M0.27%+250,000New
New York State Common Retirement Fund256,890$5.47M0.01%+227,513+774.5%Added
Manufacturers Life Insurance Company, The263,641$5.61M0.01%−202,523−43.4%Reduced
Caption Management, LLC267,255$5.69M0.52%+267,255New
Deutsche Bank AG267,788$5.70M0.00%−159,831−37.4%Reduced
Marshall Wace, LLP271,641$5.78M0.01%+271,641New
Squarepoint Ops LLC291,222$6.20M0.01%+291,222New
Susquehanna International Group, LLP299,973$6.38M0.01%+46,474+18.3%Added
Goldman Sachs Group Inc303,426$6.46M0.00%−269,365−47.0%Reduced
Barclays PLC313,824$6.68M0.00%+58,212+22.8%Added
Bank of New York Mellon Corp343,524$7.31M0.00%+2,749+0.8%Added
QVT Financial LP360,524$7.67M1.07%00.0%Unchanged