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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
Lynx1 Capital Management LP8,963,500$92.8M18.78%+3,197,410+55.5%Added
MPM Oncology Impact Management LP7,648,268$79.2M9.06%00.0%Unchanged
BVF Inc5,750,683$59.5M2.00%00.0%Unchanged
BlackRock, Inc.4,400,296$45.5M0.00%+230,334+5.5%Added
Vanguard Group Inc3,298,504$34.1M0.00%+355,179+12.1%Added
Kynam Capital Management, LP3,114,132$32.2M2.10%+811,960+35.3%Added
Blue Owl Capital Holdings LP2,350,972$24.3M7.51%−160,000−6.4%Reduced
State Street Corp2,197,338$22.7M0.00%+520,024+31.0%Added
Affinity Asset Advisors, LLC1,932,106$20.0M1.44%+1,668,289+632.4%Added
RTW Investments, LP1,705,960$17.7M0.18%00.0%Unchanged
VR Adviser, LLC1,379,965$14.3M0.71%00.0%Unchanged
Geode Capital Management, LLC1,302,262$13.5M0.00%+6,942+0.5%Added
Boothbay Fund Management, LLC1,237,043$12.8M0.34%+1,237,043New
Siren, L.L.C.1,193,410$12.4M0.37%00.0%Unchanged
Nextech Invest, Ltd.1,141,145$11.8M1.14%00.0%Unchanged
Dimensional Fund Advisors LP848,769$8.78M0.00%−335,052−28.3%Reduced
Morgan Stanley766,934$7.94M0.00%+366,780+91.7%Added
Goldman Sachs Group Inc721,864$7.47M0.00%−262,096−26.6%Reduced
Great Point Partners LLC634,032$6.56M2.13%+634,032New
Renaissance Technologies LLC631,706$6.54M0.01%+102,298+19.3%Added
Twin Focus Capital Partners, LLC595,489$6.16M0.71%00.0%Unchanged
Deutsche Bank AG586,636$6.07M0.00%+14,898+2.6%Added
Nuveen, LLC579,095$5.99M0.00%+363,500+168.6%Added
Two Sigma Investments, LP470,526$4.87M0.01%+410,854+688.5%Added
Charles Schwab Investment Management Inc436,273$4.52M0.00%+33,635+8.4%Added
Northern Trust Corp421,635$4.36M0.00%−25,632−5.7%Reduced
Marshall Wace, LLP414,359$4.29M0.00%+118,917+40.3%Added
Deerfield Management Company, L.P. (Series C)386,169$4.00M0.05%−2,540,844−86.8%Reduced
Trexquant Investment LP381,535$3.95M0.04%+193,917+103.4%Added
Jump Financial, LLC364,889$3.78M0.05%+170,382+87.6%Added
Millennium Management LLC362,495$3.75M0.00%−187,976−34.1%Reduced
Point72 Asset Management, L.P.360,162$3.73M0.01%+360,162New
Bank of America Corp346,307$3.58M0.00%−210,882−37.8%Reduced
Schroder Investment Management Group343,667$3.41M0.00%+343,667New
Elmind Capital, LP310,000$3.21M0.95%+310,000New
AQR Capital Management LLC281,483$2.91M0.00%+83,563+42.2%Added
UBS Group AG271,736$2.81M0.00%+83,551+44.4%Added
OrbiMed Advisors LLC270,006$2.79M0.06%−1,653,849−86.0%Reduced
Barclays PLC269,655$2.79M0.00%+18,545+7.4%Added
Connor, Clark & Lunn Investment Management Ltd.244,022$2.53M0.01%+104,998+75.5%Added
Citigroup Inc240,457$2.49M0.00%+133,282+124.4%Added
Susquehanna Portfolio Strategies, LLC233,842$2.42M0.04%+109,311+87.8%Added
PFM Health Sciences, LP227,003$2.35M0.24%+227,003New
Jane Street Group, LLC186,844$1.93M0.00%−114,041−37.9%Reduced
Algert Global LLC162,501$1.68M0.03%−73,591−31.2%Reduced
Wellington Management Group LLP159,751$1.65M0.00%−8,380−5.0%Reduced
Assenagon Asset Management S.A.158,753$1.64M0.00%−18,932−10.7%Reduced
JPMorgan Chase & Co147,055$1.52M0.00%+115,187+361.5%Added
Bank of New York Mellon Corp144,927$1.50M0.00%−4,998−3.3%Reduced
American Century Companies Inc142,761$1.48M0.00%+1,692+1.2%Added
Invesco Ltd.130,323$1.35M0.00%+28,011+27.4%Added
Two Sigma Advisers, LP129,809$1.34M0.00%+92,509+248.0%Added
XTX Topco Ltd121,257$1.26M0.03%−46,722−27.8%Reduced
Qube Research & Technologies Ltd119,292$1.23M0.00%−33,117−21.7%Reduced
Citadel Advisors LLC110,317$1.14M0.00%−1,874,090−94.4%Reduced
HRT Financial LP84,067$870.0K0.00%+41,958+99.6%Added
Squarepoint Ops LLC75,820$784.7K0.00%−14,498−16.1%Reduced
Jacobs Levy Equity Management, Inc73,755$763.4K0.00%+73,755New
Engineers Gate Manager LP69,343$717.7K0.01%+18,980+37.7%Added
Rhumbline Advisers67,240$695.9K0.00%−4,569−6.4%Reduced
Rafferty Asset Management, LLC61,671$638.3K0.00%+20,942+51.4%Added
Wells Fargo & Company60,514$626.3K0.00%+21,397+54.7%Added
Swiss National Bank58,300$603.4K0.00%+8,000+15.9%Added
ADAR1 Capital Management, LLC50,000$517.5K0.04%+50,000New
Voleon Capital Management LP49,663$514.0K0.01%+49,663New
Mariner, LLC49,131$508.2K0.00%+20,980+74.5%Added
UBS Asset Management Americas Inc48,051$497.3K0.00%+888+1.9%Added
Quantinno Capital Management LP48,001$496.8K0.00%−1,524−3.1%Reduced
Alliancebernstein L.P.47,630$493.0K0.00%00.0%Unchanged
Kennedy Capital Management, Inc.47,266$489.2K0.01%+1,255+2.7%Added
Price T Rowe Associates Inc47,187$489.0K0.00%+3,950+9.1%Added
Creative Planning39,890$412.9K0.00%+12,514+45.7%Added
Susquehanna International Group, LLP39,822$412.2K0.00%+4,202+11.8%Added
BNP Paribas Arbitrage, SA39,451$408.3K0.00%+28,780+269.7%Added
NEOS Investment Management LLC37,519$388.3K0.00%+37,519New
Tema ETFs LLC36,964$382.6K0.03%+36,964New
Aquatic Capital Management LLC30,923$320.1K0.01%+28,141+1,011.5%Added
MetLife Investment Management30,816$318.9K0.00%+7,571+32.6%Added
California State Teachers Retirement System30,799$318.8K0.00%−454−1.5%Reduced
ExodusPoint Capital Management, LP30,487$315.5K0.00%+30,487New
Quest Partners LLC28,950$299.6K0.02%−69−0.2%Reduced
Legal & General Group Plc28,628$296.3K0.00%+13,333+87.2%Added
Mirae Asset Global ETFs Holdings Ltd.28,659$295.1K0.00%+2,671+10.3%Added
Intech Investment Management LLC27,937$289.1K0.00%+32+0.1%Added
Gsa Capital Partners LLP27,303$283.0K0.02%+27,303New
Russell Investments Group, Ltd.24,409$252.6K0.00%+20,137+471.4%Added
EntryPoint Capital, LLC23,788$246.2K0.10%−18,402−43.6%Reduced
Profund Advisors LLC23,282$241.0K0.01%+23,282New
Virtus Investment Advisers, Inc.22,318$231.0K0.06%+9,604+75.5%Added
Fox Run Management, L.L.C.21,204$219.5K0.03%+5,676+36.6%Added
Birchview Capital, LP20,000$207.0K0.12%00.0%Unchanged
Pale Fire Capital SE19,318$199.9K0.03%+4,703+32.2%Added
AlphaCentric Advisors LLC19,041$197.1K0.20%+19,041New
Janus Henderson Group PLC18,528$191.4K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The16,822$174.1K0.00%−1,004−5.6%Reduced
Schonfeld Strategic Advisors LLC16,638$172.2K0.00%+16,638New
SG Americas Securities, LLC15,631$162.0K0.00%+5,165+49.4%Added
Police & Firemen's Retirement System of New Jersey14,996$155.2K0.00%00.0%Unchanged
D. E. Shaw & Co., Inc.14,365$148.7K0.00%−11,254−43.9%Reduced
Compass Ion Advisors, LLC13,904$143.9K0.01%00.0%Unchanged