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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, Q4 2025

Institutional positions in Cullinan Therapeutics, Inc. as of Dec 31, 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
153
+11 vs. Q3 2025
Shares held
63.2M
+2.36M (+3.9%) vs. Q3 2025
Total value
$653.8M
+$293.2M (+81.3%) vs. Q3 2025
New holders
29
66 more added
Sold out
18
41 more reduced

3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 153 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 heldQ4 2025: $653.8M
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, Q4 2025

Shares, value and share of portfolio for each institution holding Cullinan Therapeutics, Inc.; share changes are against Q3 2025.

Institutions holding CGEM in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
XTX Topco Ltd121,257$1.26M0.03%−46,722−27.8%Reduced
Two Sigma Advisers, LP129,809$1.34M0.00%+92,509+248.0%Added
Invesco Ltd.130,323$1.35M0.00%+28,011+27.4%Added
American Century Companies Inc142,761$1.48M0.00%+1,692+1.2%Added
Bank of New York Mellon Corp144,927$1.50M0.00%−4,998−3.3%Reduced
JPMorgan Chase & Co147,055$1.52M0.00%+115,187+361.5%Added
Assenagon Asset Management S.A.158,753$1.64M0.00%−18,932−10.7%Reduced
Wellington Management Group LLP159,751$1.65M0.00%−8,380−5.0%Reduced
Algert Global LLC162,501$1.68M0.03%−73,591−31.2%Reduced
Jane Street Group, LLC186,844$1.93M0.00%−114,041−37.9%Reduced
PFM Health Sciences, LP227,003$2.35M0.24%+227,003New
Susquehanna Portfolio Strategies, LLC233,842$2.42M0.04%+109,311+87.8%Added
Citigroup Inc240,457$2.49M0.00%+133,282+124.4%Added
Connor, Clark & Lunn Investment Management Ltd.244,022$2.53M0.01%+104,998+75.5%Added
Barclays PLC269,655$2.79M0.00%+18,545+7.4%Added
OrbiMed Advisors LLC270,006$2.79M0.06%−1,653,849−86.0%Reduced
UBS Group AG271,736$2.81M0.00%+83,551+44.4%Added
AQR Capital Management LLC281,483$2.91M0.00%+83,563+42.2%Added
Elmind Capital, LP310,000$3.21M0.95%+310,000New
Schroder Investment Management Group343,667$3.41M0.00%+343,667New
Bank of America Corp346,307$3.58M0.00%−210,882−37.8%Reduced
Point72 Asset Management, L.P.360,162$3.73M0.01%+360,162New
Millennium Management LLC362,495$3.75M0.00%−187,976−34.1%Reduced
Jump Financial, LLC364,889$3.78M0.05%+170,382+87.6%Added
Trexquant Investment LP381,535$3.95M0.04%+193,917+103.4%Added
Deerfield Management Company, L.P. (Series C)386,169$4.00M0.05%−2,540,844−86.8%Reduced
Marshall Wace, LLP414,359$4.29M0.00%+118,917+40.3%Added
Northern Trust Corp421,635$4.36M0.00%−25,632−5.7%Reduced
Charles Schwab Investment Management Inc436,273$4.52M0.00%+33,635+8.4%Added
Two Sigma Investments, LP470,526$4.87M0.01%+410,854+688.5%Added
Nuveen, LLC579,095$5.99M0.00%+363,500+168.6%Added
Deutsche Bank AG586,636$6.07M0.00%+14,898+2.6%Added
Twin Focus Capital Partners, LLC595,489$6.16M0.71%00.0%Unchanged
Renaissance Technologies LLC631,706$6.54M0.01%+102,298+19.3%Added
Great Point Partners LLC634,032$6.56M2.13%+634,032New
Goldman Sachs Group Inc721,864$7.47M0.00%−262,096−26.6%Reduced
Morgan Stanley766,934$7.94M0.00%+366,780+91.7%Added
Dimensional Fund Advisors LP848,769$8.78M0.00%−335,052−28.3%Reduced
Nextech Invest, Ltd.1,141,145$11.8M1.14%00.0%Unchanged
Siren, L.L.C.1,193,410$12.4M0.37%00.0%Unchanged
Boothbay Fund Management, LLC1,237,043$12.8M0.34%+1,237,043New
Geode Capital Management, LLC1,302,262$13.5M0.00%+6,942+0.5%Added
VR Adviser, LLC1,379,965$14.3M0.71%00.0%Unchanged
RTW Investments, LP1,705,960$17.7M0.18%00.0%Unchanged
Affinity Asset Advisors, LLC1,932,106$20.0M1.44%+1,668,289+632.4%Added
State Street Corp2,197,338$22.7M0.00%+520,024+31.0%Added
Blue Owl Capital Holdings LP2,350,972$24.3M7.51%−160,000−6.4%Reduced
Kynam Capital Management, LP3,114,132$32.2M2.10%+811,960+35.3%Added
Vanguard Group Inc3,298,504$34.1M0.00%+355,179+12.1%Added
BlackRock, Inc.4,400,296$45.5M0.00%+230,334+5.5%Added
BVF Inc5,750,683$59.5M2.00%00.0%Unchanged
MPM Oncology Impact Management LP7,648,268$79.2M9.06%00.0%Unchanged
Lynx1 Capital Management LP8,963,500$92.8M18.78%+3,197,410+55.5%Added
Franklin Resources Inc0$00.00%−1,416,036−100.0%Sold out
Tang Capital Management LLC0$00.00%−1,121,138−100.0%Sold out
Voss Capital, LLC0$00.00%−221,473−100.0%Sold out
Ameriprise Financial Inc0$00.00%−56,777−100.0%Sold out
Walleye Capital LLC0$00.00%−56,736−100.0%Sold out
Oxford Asset Management LLP0$00.00%−56,486−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−48,652−100.0%Sold out
Axq Capital, LP0$00.00%−32,669−100.0%Sold out
Caption Management, LLC0$00.00%−28,389−100.0%Sold out
Magnetar Financial LLC0$00.00%−26,263−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−26,234−100.0%Sold out
Quadrature Capital Ltd0$00.00%−13,942−100.0%Sold out
Federation des caisses Desjardins du Quebec0$00.00%−6,000−100.0%Sold out
Wexford Capital LP0$00.00%−5,317−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−1,365−100.0%Sold out
Parkside Financial Bank & Trust0$00.00%−60−100.0%Sold out
True Wealth Design, LLC0$00.00%−36−100.0%Sold out
Colony Group, LLC0$00.00%−3,498−100.0%Sold out
Cubist Systematic Strategies, LLC––––Not filed
Corton Capital Inc.––––Not filed
Point72 (DIFC) Ltd––––Not filed