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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 2025

Institutional positions in Cullinan Therapeutics, Inc. as of Mar 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
149
+4 vs. Q4 2024
Shares held
64.7M
+457.1K (+0.7%) vs. Q4 2024
Total value
$489.6M
−$292.6M (−37.4%) vs. Q4 2024
New holders
27
44 more added
Sold out
23
50 more reduced

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 149 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 2025: $489.6M
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 2025

Shares, value and share of portfolio for each institution holding Cullinan Therapeutics, Inc.; share changes are against Q4 2024.

Institutions holding CGEM in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Perceptive Advisors LLC80,100$606.4K0.02%+80,100New
UBS Asset Management Americas Inc80,353$608.3K0.00%−11,439−12.5%Reduced
Citigroup Inc81,000$613.2K0.00%+327+0.4%Added
Acadian Asset Management LLC81,721$618.0K0.00%+81,721New
Woodline Partners LP81,741$618.8K0.00%−85,574−51.1%Reduced
American Century Companies Inc112,670$852.9K0.00%+11,949+11.9%Added
BNP Paribas Arbitrage, SA129,721$982.0K0.00%+14,721+12.8%Added
Bank of New York Mellon Corp136,414$1.03M0.00%−1,202−0.9%Reduced
Wellington Management Group LLP161,057$1.22M0.00%+28,081+21.1%Added
Voss Capital, LLC175,000$1.32M0.10%+52,639+43.0%Added
Nuveen, LLC188,030$1.42M0.00%+188,030New
Algert Global LLC221,430$1.68M0.04%+178,138+411.5%Added
Barclays PLC241,343$1.83M0.00%−3,888−1.6%Reduced
Affinity Asset Advisors, LLC263,817$2.00M0.31%00.0%Unchanged
UBS Group AG278,819$2.11M0.00%+43,106+18.3%Added
Renaissance Technologies LLC363,008$2.75M0.00%+172,500+90.5%Added
Charles Schwab Investment Management Inc424,262$3.21M0.00%−6,709−1.6%Reduced
Morgan Stanley481,832$3.65M0.00%−156,237−24.5%Reduced
Northern Trust Corp483,889$3.66M0.00%−17,019−3.4%Reduced
Bank of America Corp524,385$3.97M0.00%+369,115+237.7%Added
Marshall Wace, LLP567,999$4.30M0.01%−83,694−12.8%Reduced
Deutsche Bank AG575,531$4.36M0.00%−4,605−0.8%Reduced
Twin Focus Capital Partners, LLC595,489$4.51M0.70%00.0%Unchanged
Foresite Capital Management VI LLC634,558$4.80M2.63%00.0%Unchanged
Rock Springs Capital Management LP644,633$4.88M0.28%−97,481−13.1%Reduced
Goldman Sachs Group Inc648,957$4.91M0.00%−36,417−5.3%Reduced
Millennium Management LLC783,177$5.93M0.01%−50,785−6.1%Reduced
Patient Square Capital LP878,897$6.65M2.75%00.0%Unchanged
Braidwell LP980,773$7.42M0.26%−195,400−16.6%Reduced
Tang Capital Management LLC1,121,138$8.49M0.47%+200,000+21.7%Added
Nextech Invest, Ltd.1,141,145$8.64M2.01%+1,141,145New
Siren, L.L.C.1,193,410$9.03M0.51%−17,947−1.5%Reduced
Geode Capital Management, LLC1,241,817$9.40M0.00%+27,176+2.2%Added
Dimensional Fund Advisors LP1,303,221$9.87M0.00%−15,151−1.1%Reduced
VR Adviser, LLC1,379,965$10.4M0.89%00.0%Unchanged
RTW Investments, LP1,705,960$12.9M0.20%00.0%Unchanged
Alliancebernstein L.P.1,723,001$13.0M0.00%−288,524−14.3%Reduced
State Street Corp1,752,679$13.3M0.00%−371,805−17.5%Reduced
OrbiMed Advisors LLC1,923,855$14.6M0.35%−18,700−1.0%Reduced
Franklin Resources Inc2,219,761$16.8M0.00%+20,052+0.9%Added
Kynam Capital Management, LP2,338,629$17.7M1.51%+1,085,891+86.7%Added
Blue Owl Capital Holdings LP2,435,972$18.4M5.95%+65,000+2.7%Added
Citadel Advisors LLC2,747,145$20.8M0.02%+64,241+2.4%Added
Vanguard Group Inc3,039,731$23.0M0.00%+103,504+3.5%Added
Lynx1 Capital Management LP3,215,722$24.3M8.72%+1,957,927+155.7%Added
Deerfield Management Company, L.P. (Series C)3,860,839$29.2M0.58%+481,440+14.2%Added
BlackRock, Inc.4,220,862$32.0M0.00%−150,163−3.4%Reduced
BVF Inc5,750,683$43.5M1.77%00.0%Unchanged
MPM Oncology Impact Management LP7,648,268$57.9M9.95%00.0%Unchanged
Adage Capital Partners GP, L.L.C.0$00.00%−1,030,438−100.0%Sold out
Boxer Capital Management, LLC0$00.00%−907,895−100.0%Sold out
Foresite Capital Management V, LLC0$00.00%−657,905−100.0%Sold out
Ameriprise Financial Inc0$00.00%−504,264−100.0%Sold out
Springhill Fund Asset Management (HK) Co Ltd0$00.00%−276,400−100.0%Sold out
Sphera Funds Management Ltd.0$00.00%−205,000−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−130,647−100.0%Sold out
BIT Capital GmbH0$00.00%−94,344−100.0%Sold out
E Fund Management Co., Ltd.0$00.00%−74,843−100.0%Sold out
Jump Financial, LLC0$00.00%−66,135−100.0%Sold out
CenterBook Partners LP0$00.00%−43,987−100.0%Sold out
Harbor Capital Advisors, Inc.0$00.00%−30,747−100.0%Sold out
Squarepoint Ops LLC0$00.00%−19,101−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−18,657−100.0%Sold out
Long Corridor Asset Management Ltd0$00.00%−15,000−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−13,609−100.0%Sold out
Optimize Financial Inc0$00.00%−11,755−100.0%Sold out
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management0$00.00%−11,153−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−5,986−100.0%Sold out
Virtus ETF Advisers LLC0$00.00%−5,828−100.0%Sold out
Parallel Advisors, LLC0$00.00%−1,317−100.0%Sold out
BFSG, LLC0$00.00%−1,000−100.0%Sold out
Advisor Group Holdings, Inc.0$00.00%−110−100.0%Sold out
Nextech Invest AG––––Not filed
Nuveen Asset Management, LLC––––Not filed