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Cullinan Therapeutics, Inc.

CGEM
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001789972

In the last 90 days, Cullinan Therapeutics, Inc. insiders filed 0 open-market purchases and 3 sales; 183 institutions reported holding it in 13F filings for Q2 2026, worth $1.30B in total; no superinvestor holds it.

13F holders, Q3 2025

Institutional positions in Cullinan Therapeutics, Inc. as of Sep 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
145
+1 vs. Q2 2025
Shares held
61.1M
−1.53M (−2.4%) vs. Q2 2025
Total value
$362.2M
−$109.3M (−23.2%) vs. Q2 2025
New holders
27
57 more added
Sold out
26
37 more reduced

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CGEM 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 holdersQ3 2025: 145 institutions
Q1 2021: 70 institutionsQ2 2021: 71 institutionsQ3 2021: 66 institutionsQ4 2021: 75 institutionsQ1 2022: 82 institutionsQ2 2022: 89 institutionsQ3 2022: 100 institutionsQ4 2022: 97 institutionsQ1 2023: 103 institutionsQ2 2023: 106 institutionsQ3 2023: 106 institutionsQ4 2023: 113 institutionsQ1 2024: 113 institutionsQ2 2024: 135 institutionsQ3 2024: 137 institutionsQ4 2024: 147 institutionsQ1 2025: 149 institutionsQ2 2025: 144 institutionsQ3 2025: 145 institutionsQ4 2025: 153 institutionsQ1 2026: 174 institutionsQ2 2026: 183 institutions
Value heldQ3 2025: $362.2M
Q1 2021: $1.30BQ2 2021: $828.5MQ3 2021: $762.3MQ4 2021: $559.7MQ1 2022: $386.3MQ2 2022: $481.7MQ3 2022: $474.7MQ4 2022: $397.7MQ1 2023: $329.5MQ2 2023: $397.3MQ3 2023: $344.0MQ4 2023: $375.6MQ1 2024: $670.8MQ2 2024: $1.10BQ3 2024: $1.09BQ4 2024: $798.8MQ1 2025: $489.6MQ2 2025: $471.4MQ3 2025: $362.2MQ4 2025: $653.8MQ1 2026: $931.0MQ2 2026: $1.30B
Institutions holding CGEM and their total value by quarter
QuarterHoldersValue
Q2 2026183$1.30B
Q1 2026174$931.0M
Q4 2025153$653.8M
Q3 2025145$362.2M
Q2 2025144$471.4M
Q1 2025149$489.6M
Q4 2024147$798.8M
Q3 2024137$1.09B
Q2 2024135$1.10B
Q1 2024113$670.8M
Q4 2023113$375.6M
Q3 2023106$344.0M
Q2 2023106$397.3M
Q1 2023103$329.5M
Q4 202297$397.7M
Q3 2022100$474.7M
Q2 202289$481.7M
Q1 202282$386.3M
Q4 202175$559.7M
Q3 202166$762.3M
Q2 202171$828.5M
Q1 202170$1.30B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Cullinan Therapeutics, Inc.; share changes are against Q2 2025.

Institutions holding CGEM in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Qube Research & Technologies Ltd152,409$903.8K0.00%+85,290+127.1%Added
XTX Topco Ltd167,979$996.1K0.05%+124,884+289.8%Added
Wellington Management Group LLP168,131$997.0K0.00%−17,952−9.6%Reduced
Assenagon Asset Management S.A.177,685$1.05M0.00%+167,623+1,665.9%Added
Trexquant Investment LP187,618$1.11M0.01%+68,276+57.2%Added
UBS Group AG188,185$1.12M0.00%−123,124−39.6%Reduced
Jump Financial, LLC194,507$1.15M0.01%+194,507New
AQR Capital Management LLC197,920$1.17M0.00%+177,000+846.1%Added
Nuveen, LLC215,595$1.28M0.00%+34,910+19.3%Added
Voss Capital, LLC221,473$1.31M0.08%−30,244−12.0%Reduced
Cubist Systematic Strategies, LLC222,318$1.32M0.02%+222,318New
Algert Global LLC236,092$1.40M0.02%+20,512+9.5%Added
Barclays PLC251,110$1.49M0.00%−17,357−6.5%Reduced
Affinity Asset Advisors, LLC263,817$1.56M0.15%00.0%Unchanged
Marshall Wace, LLP295,442$1.75M0.00%−331,139−52.8%Reduced
Jane Street Group, LLC300,885$1.78M0.00%+252,002+515.5%Added
Morgan Stanley400,154$2.37M0.00%+158,062+65.3%Added
Charles Schwab Investment Management Inc402,638$2.39M0.00%−32,878−7.5%Reduced
Northern Trust Corp447,267$2.65M0.00%−5,936−1.3%Reduced
Renaissance Technologies LLC529,408$3.14M0.00%+194,883+58.3%Added
Millennium Management LLC550,471$3.26M0.00%+39,643+7.8%Added
Bank of America Corp557,189$3.30M0.00%−104,096−15.7%Reduced
Deutsche Bank AG571,738$3.39M0.00%+4,957+0.9%Added
Twin Focus Capital Partners, LLC595,489$3.53M0.45%00.0%Unchanged
Goldman Sachs Group Inc983,960$5.83M0.00%+281,822+40.1%Added
Tang Capital Management LLC1,121,138$6.65M0.26%00.0%Unchanged
Nextech Invest, Ltd.1,141,145$6.77M1.03%00.0%Unchanged
Dimensional Fund Advisors LP1,183,821$7.02M0.00%−92,717−7.3%Reduced
Siren, L.L.C.1,193,410$7.08M0.28%00.0%Unchanged
Geode Capital Management, LLC1,295,320$7.68M0.00%+15,824+1.2%Added
VR Adviser, LLC1,379,965$8.18M0.46%00.0%Unchanged
Franklin Resources Inc1,416,036$8.40M0.00%−812,124−36.4%Reduced
State Street Corp1,677,314$9.95M0.00%+69,722+4.3%Added
RTW Investments, LP1,705,960$10.1M0.12%00.0%Unchanged
OrbiMed Advisors LLC1,923,855$11.4M0.27%00.0%Unchanged
Citadel Advisors LLC1,984,407$11.8M0.01%−629,286−24.1%Reduced
Kynam Capital Management, LP2,302,172$13.7M1.02%+206,174+9.8%Added
Blue Owl Capital Holdings LP2,510,972$14.9M4.62%+125,000+5.2%Added
Deerfield Management Company, L.P. (Series C)2,927,013$17.4M0.27%−928,539−24.1%Reduced
Vanguard Group Inc2,943,325$17.5M0.00%−76,775−2.5%Reduced
BlackRock, Inc.4,169,962$24.7M0.00%−47,971−1.1%Reduced
BVF Inc5,750,683$34.1M1.38%00.0%Unchanged
Lynx1 Capital Management LP5,766,090$34.2M6.96%+1,365,248+31.0%Added
MPM Oncology Impact Management LP7,648,268$45.4M7.42%00.0%Unchanged
Colony Group, LLC3,498––+3,498New
Patient Square Capital LP0$00.00%−868,897−100.0%Sold out
Rock Springs Capital Management LP0$00.00%−668,233−100.0%Sold out
Foresite Capital Management VI LLC0$00.00%−594,025−100.0%Sold out
Verition Fund Management LLC0$00.00%−139,660−100.0%Sold out
NEOS Investment Management LLC0$00.00%−42,692−100.0%Sold out
Tema ETFs LLC0$00.00%−42,692−100.0%Sold out
HighVista Strategies LLC0$00.00%−31,893−100.0%Sold out
Nebula Research & Development LLC0$00.00%−31,853−100.0%Sold out
Man Group plc0$00.00%−22,341−100.0%Sold out
Martingale Asset Management L P0$00.00%−20,932−100.0%Sold out
Palumbo Wealth Management LLC0$00.00%−17,008−100.0%Sold out
Commonwealth Equity Services, LLC0$00.00%−14,699−100.0%Sold out
Voya Investment Management LLC0$00.00%−14,661−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−13,988−100.0%Sold out
Massar Capital Management, LP0$00.00%−13,418−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−11,173−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−11,129−100.0%Sold out
Skopos Labs, Inc.0$00.00%−3,665−100.0%Sold out
Advisor Group Holdings, Inc.0$00.00%−2,115−100.0%Sold out
Federated Hermes, Inc.0$00.00%−1,495−100.0%Sold out
Bessemer Group Inc0$00.00%−436−100.0%Sold out
US Bancorp0$00.00%−295−100.0%Sold out
Washington Trust Advisors, Inc.0$00.00%−127−100.0%Sold out
MAI Capital Management0$00.00%−76−100.0%Sold out
Larson Financial Group LLC0$00.00%−56−100.0%Sold out
Versant Capital Management, Inc0$00.00%−23−100.0%Sold out