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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
Covestor Ltd43$00.00%+33+330.0%Added
SBI Securities Co., Ltd.1$100.00%−1−50.0%Reduced
Clearstead Advisors, LLC4$420.00%−45−91.8%Reduced
The PNC Financial Services Group, Inc.5$520.00%−225−97.8%Reduced
MAI Capital Management18$1870.00%+18New
SJS Investment Consulting Inc.20$2070.00%+20New
Smartleaf Asset Management LLC26$2580.00%+26New
Massmutual Trust Co FSB27$2790.00%00.0%Unchanged
Rothschild Investment LLC33$3420.00%+3+10.0%Added
Larson Financial Group LLC40$4140.00%+40New
Fortitude Family Office, LLC58$6000.00%+58New
Comerica Bank66$6830.00%−129−66.2%Reduced
SRS Capital Advisors, Inc.172$1.78K0.00%−1,268−88.1%Reduced
Daiwa Securities Group Inc.218$2.00K0.00%00.0%Unchanged
Optiver Holding B.V.200$2.07K0.00%−264−56.9%Reduced
Advisor Group Holdings, Inc.243$2.52K0.00%+243New
Nisa Investment Advisors, LLC300$3.10K0.00%−72−19.4%Reduced
IFP Advisors, Inc313$3.24K0.00%+166+112.9%Added
US Bancorp483$5.00K0.00%+483New
Farther Finance Advisors, LLC560$5.80K0.00%+423+308.8%Added
Allworth Financial LP645$6.68K0.00%+89+16.0%Added
Umb Bank N A685$7.09K0.00%+685New
Quadrant Capital Group LLC761$7.88K0.00%−143−15.8%Reduced
Los Angeles Capital Management LLC1,081$8.17K0.00%+1,081New
Essential Partners LLC791$8.19K0.00%+460+139.0%Added
Tower Research Capital LLC (TRC)906$9.38K0.00%−6,661−88.0%Reduced
GAMMA Investing LLC980$10.1K0.00%+232+31.0%Added
Public Employees Retirement Association of Colorado1,150$12.0K0.00%00.0%Unchanged
GF Fund Management Co. Ltd.1,160$12.0K0.00%−91−7.3%Reduced
EverSource Wealth Advisors, LLC1,280$13.2K0.00%+284+28.5%Added
Royal Bank of Canada1,552$16.0K0.00%+67+4.5%Added
Amalgamated Bank1,696$18.0K0.00%−72−4.1%Reduced
Parallel Advisors, LLC1,895$19.6K0.00%+22+1.2%Added
Mirae Asset Global Investments Co., Ltd.2,871$29.7K0.00%+587+25.7%Added
Seven Fleet Capital Management LP3,000$31.1K0.02%+3,000New
Sterling Capital Management LLC3,071$31.8K0.00%−449−12.8%Reduced
CWM, LLC3,876$40.0K0.00%+1,318+51.5%Added
Signaturefd, LLC4,130$42.7K0.00%+3,607+689.7%Added
Ameritas Investment Partners, Inc.4,305$44.6K0.00%−935−17.8%Reduced
FMR LLC4,598$47.6K0.00%+3,630+375.0%Added
Caitong International Asset Management Co., Ltd4,680$48.4K0.01%+3,020+181.9%Added
KLP Kapitalforvaltning AS6,800$70.4K0.00%00.0%Unchanged
Quarry LP9,600$99.4K0.02%+9,600New
China Universal Asset Management Co., Ltd.9,626$99.6K0.01%−729−7.0%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)9,909$102.6K0.00%+2,268+29.7%Added
Nano Cap New Millennium Growth Fund L P10,000$103.5K0.09%+10,000New
Tudor Investment Corp Et Al10,128$104.8K0.00%−18,860−65.1%Reduced
Brevan Howard Capital Management LP10,970$113.5K0.00%−34,966−76.1%Reduced
Inscription Capital, LLC11,661$120.7K0.01%+377+3.3%Added
Great Lakes Advisors, LLC12,403$128.4K0.00%+12,403New
ProShare Advisors LLC12,489$129.3K0.00%+1,661+15.3%Added
New York State Common Retirement Fund12,918$133.7K0.00%00.0%Unchanged
Simplex Trading, LLC13,253$137.2K0.00%−32−0.2%Reduced
Compass Ion Advisors, LLC13,904$143.9K0.01%00.0%Unchanged
D. E. Shaw & Co., Inc.14,365$148.7K0.00%−11,254−43.9%Reduced
Police & Firemen's Retirement System of New Jersey14,996$155.2K0.00%00.0%Unchanged
SG Americas Securities, LLC15,631$162.0K0.00%+5,165+49.4%Added
Schonfeld Strategic Advisors LLC16,638$172.2K0.00%+16,638New
Manufacturers Life Insurance Company, The16,822$174.1K0.00%−1,004−5.6%Reduced
Janus Henderson Group PLC18,528$191.4K0.00%00.0%Unchanged
AlphaCentric Advisors LLC19,041$197.1K0.20%+19,041New
Pale Fire Capital SE19,318$199.9K0.03%+4,703+32.2%Added
Birchview Capital, LP20,000$207.0K0.12%00.0%Unchanged
Fox Run Management, L.L.C.21,204$219.5K0.03%+5,676+36.6%Added
Virtus Investment Advisers, Inc.22,318$231.0K0.06%+9,604+75.5%Added
Profund Advisors LLC23,282$241.0K0.01%+23,282New
EntryPoint Capital, LLC23,788$246.2K0.10%−18,402−43.6%Reduced
Russell Investments Group, Ltd.24,409$252.6K0.00%+20,137+471.4%Added
Gsa Capital Partners LLP27,303$283.0K0.02%+27,303New
Intech Investment Management LLC27,937$289.1K0.00%+32+0.1%Added
Mirae Asset Global ETFs Holdings Ltd.28,659$295.1K0.00%+2,671+10.3%Added
Legal & General Group Plc28,628$296.3K0.00%+13,333+87.2%Added
Quest Partners LLC28,950$299.6K0.02%−69−0.2%Reduced
ExodusPoint Capital Management, LP30,487$315.5K0.00%+30,487New
California State Teachers Retirement System30,799$318.8K0.00%−454−1.5%Reduced
MetLife Investment Management30,816$318.9K0.00%+7,571+32.6%Added
Aquatic Capital Management LLC30,923$320.1K0.01%+28,141+1,011.5%Added
Tema ETFs LLC36,964$382.6K0.03%+36,964New
NEOS Investment Management LLC37,519$388.3K0.00%+37,519New
BNP Paribas Arbitrage, SA39,451$408.3K0.00%+28,780+269.7%Added
Susquehanna International Group, LLP39,822$412.2K0.00%+4,202+11.8%Added
Creative Planning39,890$412.9K0.00%+12,514+45.7%Added
Price T Rowe Associates Inc47,187$489.0K0.00%+3,950+9.1%Added
Kennedy Capital Management, Inc.47,266$489.2K0.01%+1,255+2.7%Added
Alliancebernstein L.P.47,630$493.0K0.00%00.0%Unchanged
Quantinno Capital Management LP48,001$496.8K0.00%−1,524−3.1%Reduced
UBS Asset Management Americas Inc48,051$497.3K0.00%+888+1.9%Added
Mariner, LLC49,131$508.2K0.00%+20,980+74.5%Added
Voleon Capital Management LP49,663$514.0K0.01%+49,663New
ADAR1 Capital Management, LLC50,000$517.5K0.04%+50,000New
Swiss National Bank58,300$603.4K0.00%+8,000+15.9%Added
Wells Fargo & Company60,514$626.3K0.00%+21,397+54.7%Added
Rafferty Asset Management, LLC61,671$638.3K0.00%+20,942+51.4%Added
Rhumbline Advisers67,240$695.9K0.00%−4,569−6.4%Reduced
Engineers Gate Manager LP69,343$717.7K0.01%+18,980+37.7%Added
Jacobs Levy Equity Management, Inc73,755$763.4K0.00%+73,755New
Squarepoint Ops LLC75,820$784.7K0.00%−14,498−16.1%Reduced
HRT Financial LP84,067$870.0K0.00%+41,958+99.6%Added
Citadel Advisors LLC110,317$1.14M0.00%−1,874,090−94.4%Reduced
Qube Research & Technologies Ltd119,292$1.23M0.00%−33,117−21.7%Reduced