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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, Q2 2026

Institutional positions in Cullinan Therapeutics, Inc. as of Jun 30, 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
183
+11 vs. Q1 2026
Shares held
71.6M
+6.12M (+9.3%) vs. Q1 2026
Total value
$1.30B
+$373.8M (+40.2%) vs. Q1 2026
New holders
31
84 more added
Sold out
20
47 more reduced

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 183 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 heldQ2 2026: $1.30B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Cullinan Therapeutics, Inc.; share changes are against Q1 2026.

Institutions holding CGEM in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
California State Teachers Retirement System40,253$733.0K0.00%+9,856+32.4%Added
Franklin Resources Inc42,345$771.1K0.00%+42,345New
Soleus Capital Management, L.P.50,000$910.5K0.03%−360,200−87.8%Reduced
Wells Fargo & Company51,256$933.4K0.00%+30,317+144.8%Added
Kennedy Capital Management, Inc.53,010$965.3K0.02%+1,519+3.0%Added
CI Private Wealth, LLC54,877$999.3K0.00%+26,992+96.8%Added
Alliancebernstein L.P.75,250$1.07M0.00%+27,620+58.0%Added
Assenagon Asset Management S.A.61,682$1.12M0.00%−77,023−55.5%Reduced
Martingale Asset Management L P61,938$1.13M0.03%+61,938New
Toroso Investments, LLC62,826$1.14M0.00%+405+0.6%Added
Tema ETFs LLC62,826$1.14M0.04%+405+0.6%Added
Longaeva Partners L.P.64,785$1.18M0.03%−118,906−64.7%Reduced
Marshall Wace, LLP66,051$1.20M0.00%−983,530−93.7%Reduced
Rafferty Asset Management, LLC66,092$1.20M0.00%−3,393−4.9%Reduced
Knott David M Jr69,182$1.26M0.67%+44,982+185.9%Added
Mariner, LLC74,273$1.35M0.00%+11,555+18.4%Added
Point72 Asset Management, L.P.75,009$1.37M0.00%−830,367−91.7%Reduced
Swiss National Bank76,000$1.38M0.00%+17,700+30.4%Added
Manufacturers Life Insurance Company, The76,711$1.40M0.00%+1,401+1.9%Added
XTX Topco Ltd76,965$1.40M0.02%+50,641+192.4%Added
Rhumbline Advisers78,930$1.44M0.00%+11,414+16.9%Added
Apis Capital Advisors, LLC80,000$1.46M0.14%+20,000+33.3%Added
TD Asset Management Inc80,628$1.47M0.00%−33,772−29.5%Reduced
Y-Intercept (Hong Kong) Ltd80,648$1.47M0.03%−14,769−15.5%Reduced
UBS Asset Management Americas Inc84,178$1.53M0.00%+16,522+24.4%Added
Creative Planning86,458$1.57M0.00%+26,484+44.2%Added
Quantinno Capital Management LP109,876$2.00M0.00%+37,594+52.0%Added
Citigroup Inc124,409$2.27M0.00%−19,702−13.7%Reduced
Jump Financial, LLC138,708$2.53M0.02%−55,092−28.4%Reduced
Invesco Ltd.143,552$2.61M0.00%−100,598−41.2%Reduced
Barclays PLC143,945$2.62M0.00%+3,650+2.6%Added
Trexquant Investment LP152,163$2.77M0.02%−16,310−9.7%Reduced
Engineers Gate Manager LP153,050$2.79M0.04%+86,762+130.9%Added
American Century Companies Inc156,317$2.85M0.00%+12,210+8.5%Added
Wellington Management Group LLP164,716$3.00M0.00%+15,090+10.1%Added
Prudential Financial Inc167,555$3.05M0.00%+18,110+12.1%Added
Squarepoint Ops LLC168,117$3.06M0.01%+168,117New
Bank of New York Mellon Corp171,031$3.11M0.00%+27,323+19.0%Added
Moore Capital Management, LP189,946$3.46M0.08%+83,986+79.3%Added
PFM Health Sciences, LP192,442$3.50M0.30%−34,964−15.4%Reduced
Susquehanna Portfolio Strategies, LLC233,842$4.26M0.07%00.0%Unchanged
Adage Capital Partners GP, L.L.C.238,000$4.33M0.01%+238,000New
FMR LLC240,115$4.37M0.00%+232,883+3,220.2%Added
UBS Group AG248,627$4.53M0.00%+46,242+22.8%Added
Bleichroeder LP250,000$4.55M0.81%+150,000+150.0%Added
Two Sigma Investments, LP272,581$4.96M0.00%−249,466−47.8%Reduced
JPMorgan Chase & Co282,631$5.21M0.00%−14,600−4.9%Reduced
Connor, Clark & Lunn Investment Management Ltd.292,500$5.33M0.01%+3,385+1.2%Added
Great Point Partners LLC300,000$5.46M1.29%00.0%Unchanged
Renaissance Technologies LLC326,811$5.95M0.01%+2,700+0.8%Added
Millennium Management LLC346,232$6.30M0.00%−350−0.1%Reduced
Vanguard Fiduciary Trust Co363,136$6.61M0.00%+20,284+5.9%Added
Deutsche Bank AG382,840$6.97M0.00%+14,934+4.1%Added
Citadel Advisors LLC397,484$7.24M0.00%+144,706+57.2%Added
TCG Crossover Management, LLC406,786$7.41M0.18%00.0%Unchanged
Perceptive Advisors LLC426,478$7.77M0.12%+426,478New
Charles Schwab Investment Management Inc464,034$8.45M0.00%+31,141+7.2%Added
Nuveen, LLC471,947$8.59M0.00%−333,753−41.4%Reduced
Bank of America Corp510,325$9.29M0.00%−6,399−1.2%Reduced
Northern Trust Corp571,080$10.4M0.00%+121,822+27.1%Added
AQR Capital Management LLC581,338$10.6M0.00%+220,464+61.1%Added
Twin Focus Capital Partners, LLC595,489$10.8M1.10%00.0%Unchanged
Morgan Stanley629,035$11.5M0.00%+39,552+6.7%Added
Elmind Capital, LP690,000$12.6M3.16%+160,000+30.2%Added
Boone Capital Management LLC704,442$12.8M3.00%+704,442New
Vanguard Portfolio Management LLC738,741$13.5M0.00%+186,188+33.7%Added
Affinity Asset Advisors, LLC875,760$15.9M0.78%+94,500+12.1%Added
Goldman Sachs Group Inc1,001,598$18.2M0.00%+546,149+119.9%Added
Dimensional Fund Advisors LP1,046,694$19.1M0.00%+140,666+15.5%Added
Boothbay Fund Management, LLC1,082,611$19.7M0.38%−30,192−2.7%Reduced
VR Adviser, LLC1,379,965$25.1M0.76%00.0%Unchanged
Blue Owl Capital Holdings LP1,539,764$28.0M4.26%−370,000−19.4%Reduced
Geode Capital Management, LLC1,547,309$28.2M0.00%+179,041+13.1%Added
Siren, L.L.C.1,893,410$34.5M0.70%+700,000+58.7%Added
RTW Investments, LP2,364,347$43.1M0.37%+658,387+38.6%Added
Vanguard Capital Management LLC2,614,066$47.6M0.00%+131,032+5.3%Added
Kynam Capital Management, LP3,114,132$56.7M3.13%00.0%Unchanged
State Street Corp3,668,627$66.8M0.00%+1,124,512+44.2%Added
Price T Rowe Associates Inc3,825,950$69.7M0.01%+1,796,231+88.5%Added
BlackRock, Inc.5,232,766$95.3M0.00%+782,800+17.6%Added
BVF Inc5,750,683$104.7M2.68%00.0%Unchanged
Lynx1 Capital Management LP8,963,500$163.2M18.86%00.0%Unchanged
MPM Oncology Impact Management LP9,731,341$177.2M10.81%+2,083,073+27.2%Added
Nextech Invest, Ltd.0$00.00%−1,141,145−100.0%Sold out
Deerfield Management Company, L.P. (Series C)0$00.00%−386,169−100.0%Sold out
OrbiMed Advisors LLC0$00.00%−243,006−100.0%Sold out
Schroder Investment Management Group0$00.00%−173,740−100.0%Sold out
Cinctive Capital Management LP0$00.00%−94,444−100.0%Sold out
Superstring Capital Management LP0$00.00%−59,484−100.0%Sold out
ADAR1 Capital Management, LLC0$00.00%−50,000−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−43,339−100.0%Sold out
HRT Financial LP0$00.00%−38,586−100.0%Sold out
Voleon Capital Management LP0$00.00%−24,092−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−24,078−100.0%Sold out
Jane Street Group, LLC0$00.00%−22,812−100.0%Sold out
Quadrature Capital Ltd0$00.00%−10,577−100.0%Sold out
ProShare Advisors LLC0$00.00%−10,465−100.0%Sold out
Seven Fleet Capital Management LP0$00.00%−1,844−100.0%Sold out
Public Employees Retirement Association of Colorado0$00.00%−1,150−100.0%Sold out
MAI Capital Management0$00.00%−938−100.0%Sold out