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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, Q1 2026

Institutional positions in Cullinan Therapeutics, Inc. as of Mar 31, 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
174
+23 vs. Q4 2025
Shares held
65.6M
+5.67M (+9.5%) vs. Q4 2025
Total value
$931.0M
+$311.3M (+50.2%) vs. Q4 2025
New holders
40
61 more added
Sold out
17
42 more reduced

2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 174 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 heldQ1 2026: $931.0M
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, Q1 2026

Shares, value and share of portfolio for each institution holding Cullinan Therapeutics, Inc.; share changes are against Q4 2025.

Institutions holding CGEM in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Apis Capital Advisors, LLC60,000$852.6K0.13%+60,000New
Tema ETFs LLC62,421$887.0K0.06%+25,457+68.9%Added
Toroso Investments, LLC62,421$887.0K0.00%+62,421New
Mariner, LLC62,718$891.1K0.00%+13,587+27.7%Added
Engineers Gate Manager LP66,288$942.0K0.01%−3,055−4.4%Reduced
Rhumbline Advisers67,516$959.4K0.00%+276+0.4%Added
UBS Asset Management Americas Inc67,656$961.4K0.00%+19,605+40.8%Added
Rafferty Asset Management, LLC69,485$987.4K0.00%+7,814+12.7%Added
Quantinno Capital Management LP72,282$1.03M0.00%+24,281+50.6%Added
Manufacturers Life Insurance Company, The75,310$1.07M0.00%+58,488+347.7%Added
Qube Research & Technologies Ltd90,316$1.28M0.00%−28,976−24.3%Reduced
Cinctive Capital Management LP94,444$1.34M0.09%+94,444New
Y-Intercept (Hong Kong) Ltd95,417$1.36M0.03%+95,417New
Bleichroeder LP100,000$1.42M0.25%+100,000New
Moore Capital Management, LP105,960$1.51M0.05%+105,960New
Algert Global LLC109,731$1.56M0.02%−52,770−32.5%Reduced
TD Asset Management Inc114,400$1.63M0.00%+114,400New
Assenagon Asset Management S.A.138,705$1.97M0.00%−20,048−12.6%Reduced
Barclays PLC140,295$1.99M0.00%−129,360−48.0%Reduced
Bank of New York Mellon Corp143,708$2.04M0.00%−1,219−0.8%Reduced
American Century Companies Inc144,107$2.05M0.00%+1,346+0.9%Added
Citigroup Inc144,111$2.05M0.00%−96,346−40.1%Reduced
Prudential Financial Inc149,445$2.12M0.00%+149,445New
Wellington Management Group LLP149,626$2.13M0.00%−10,125−6.3%Reduced
Schroder Investment Management Group173,740$2.33M0.00%−169,927−49.4%Reduced
Trexquant Investment LP168,473$2.39M0.02%−213,062−55.8%Reduced
Longaeva Partners L.P.183,691$2.61M0.13%+183,691New
Jump Financial, LLC193,800$2.75M0.04%−171,089−46.9%Reduced
UBS Group AG202,385$2.88M0.00%−69,351−25.5%Reduced
PFM Health Sciences, LP227,406$3.23M0.34%+403+0.2%Added
Susquehanna Portfolio Strategies, LLC233,842$3.32M0.05%00.0%Unchanged
OrbiMed Advisors LLC243,006$3.45M0.08%−27,000−10.0%Reduced
Invesco Ltd.244,150$3.47M0.00%+113,827+87.3%Added
Citadel Advisors LLC252,778$3.59M0.00%+142,461+129.1%Added
JPMorgan Chase & Co297,231$3.99M0.00%+150,176+102.1%Added
Connor, Clark & Lunn Investment Management Ltd.289,115$4.11M0.01%+45,093+18.5%Added
Great Point Partners LLC300,000$4.26M1.04%−334,032−52.7%Reduced
Renaissance Technologies LLC324,111$4.61M0.01%−307,595−48.7%Reduced
Vanguard Fiduciary Trust Co342,852$4.87M0.00%+342,852New
Millennium Management LLC346,582$4.92M0.00%−15,913−4.4%Reduced
AQR Capital Management LLC360,874$5.13M0.00%+79,391+28.2%Added
Deutsche Bank AG367,906$5.23M0.00%−218,730−37.3%Reduced
Deerfield Management Company, L.P. (Series C)386,169$5.49M0.06%00.0%Unchanged
TCG Crossover Management, LLC406,786$5.78M0.17%+406,786New
Soleus Capital Management, L.P.410,200$5.83M0.24%+410,200New
Charles Schwab Investment Management Inc432,893$6.15M0.00%−3,380−0.8%Reduced
Northern Trust Corp449,258$6.38M0.00%+27,623+6.6%Added
Goldman Sachs Group Inc455,449$6.47M0.00%−266,415−36.9%Reduced
Bank of America Corp516,724$7.34M0.00%+170,417+49.2%Added
Two Sigma Investments, LP522,047$7.42M0.01%+51,521+10.9%Added
Elmind Capital, LP530,000$7.53M2.14%+220,000+71.0%Added
Vanguard Portfolio Management LLC552,553$7.85M0.00%+552,553New
Morgan Stanley589,483$8.38M0.00%−177,451−23.1%Reduced
Twin Focus Capital Partners, LLC595,489$8.46M0.97%00.0%Unchanged
Affinity Asset Advisors, LLC781,260$11.1M0.65%−1,150,846−59.6%Reduced
Nuveen, LLC805,700$11.4M0.00%+226,605+39.1%Added
Point72 Asset Management, L.P.905,376$12.9M0.02%+545,214+151.4%Added
Dimensional Fund Advisors LP906,028$12.9M0.00%+57,259+6.7%Added
Marshall Wace, LLP1,049,581$14.9M0.02%+635,222+153.3%Added
Boothbay Fund Management, LLC1,112,803$15.8M0.37%−124,240−10.0%Reduced
Nextech Invest, Ltd.1,141,145$16.2M1.14%00.0%Unchanged
Siren, L.L.C.1,193,410$17.0M0.47%00.0%Unchanged
Geode Capital Management, LLC1,368,268$19.4M0.00%+66,006+5.1%Added
VR Adviser, LLC1,379,965$19.6M0.73%00.0%Unchanged
RTW Investments, LP1,705,960$24.2M0.24%00.0%Unchanged
Blue Owl Capital Holdings LP1,909,764$27.1M7.29%−441,208−18.8%Reduced
Price T Rowe Associates Inc2,029,719$28.8M0.00%+1,982,532+4,201.4%Added
Vanguard Capital Management LLC2,483,034$35.3M0.00%+2,483,034New
State Street Corp2,544,115$36.2M0.00%+346,777+15.8%Added
Kynam Capital Management, LP3,114,132$44.3M2.81%00.0%Unchanged
BlackRock, Inc.4,449,966$63.2M0.00%+49,670+1.1%Added
BVF Inc5,750,683$81.7M2.60%00.0%Unchanged
MPM Oncology Impact Management LP7,648,268$108.7M8.39%00.0%Unchanged
Lynx1 Capital Management LP8,963,500$127.4M20.13%00.0%Unchanged
Two Sigma Advisers, LP0$00.00%−129,809−100.0%Sold out
Squarepoint Ops LLC0$00.00%−75,820−100.0%Sold out
Jacobs Levy Equity Management, Inc0$00.00%−73,755−100.0%Sold out
NEOS Investment Management LLC0$00.00%−37,519−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−30,923−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−30,487−100.0%Sold out
Quest Partners LLC0$00.00%−28,950−100.0%Sold out
EntryPoint Capital, LLC0$00.00%−23,788−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−21,204−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−16,638−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−14,365−100.0%Sold out
Compass Ion Advisors, LLC0$00.00%−13,904−100.0%Sold out
Nano Cap New Millennium Growth Fund L P0$00.00%−10,000−100.0%Sold out
Caitong International Asset Management Co., Ltd0$00.00%−4,680−100.0%Sold out
Amalgamated Bank0$00.00%−1,696−100.0%Sold out
Daiwa Securities Group Inc.0$00.00%−218−100.0%Sold out
Clearstead Advisors, LLC0$00.00%−4−100.0%Sold out
Vanguard Group Inc––––Not filed
Comerica Bank––––Not filed