Cullinan Therapeutics, Inc.

CGEM

Exchange: Nasdaq
Industry: Biological Products, (No Diagnostic Substances)
SEC CIK: 0001789972

SEC filings (opens in a new tab)

In the last 90 days, Cullinan Therapeutics, Inc. insiders filed 0 open-market purchases and 2 sales; 183 institutions reported holding it in 13F filings for Q2 2026, worth $1.30B in total; no superinvestor holds it.

Q1 2026 vs. Q4 2025

How the institutions holding Cullinan Therapeutics, Inc. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026 All holders in Q4 2025

13F holders of CGEM: Q4 2025 compared with Q1 2026
Measure	Q4 2025	Of which not filed for Q1 2026	Q1 2026	Change
Holders	153	2	174	+23
Shares	63.2M	3.30M	65.6M	+5.67M (+9.5%)
Value	$653.8M	$34.1M	$931.0M	+$311.3M (+50.2%)

2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (40)

Institutions that held Cullinan Therapeutics, Inc. at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to CGEM in Q1 2026
Institution	Shares	Value	% of portfolio
Vanguard Capital Management LLC	2,483,034	$35.3M	0.00%
Vanguard Portfolio Management LLC	552,553	$7.85M	0.00%
Soleus Capital Management, L.P.	410,200	$5.83M	0.24%
TCG Crossover Management, LLC	406,786	$5.78M	0.17%
Vanguard Fiduciary Trust Co	342,852	$4.87M	0.00%
Longaeva Partners L.P.	183,691	$2.61M	0.13%
Prudential Financial Inc	149,445	$2.12M	0.00%
TD Asset Management Inc	114,400	$1.63M	0.00%
Moore Capital Management, LP	105,960	$1.51M	0.05%
Bleichroeder LP	100,000	$1.42M	0.25%
Y-Intercept (Hong Kong) Ltd	95,417	$1.36M	0.03%
Cinctive Capital Management LP	94,444	$1.34M	0.09%
Toroso Investments, LLC	62,421	$887.0K	0.00%
Apis Capital Advisors, LLC	60,000	$852.6K	0.13%
Superstring Capital Management LP	59,484	$845.3K	0.60%
Optimize Financial Inc	28,158	$400.1K	0.20%
CI Private Wealth, LLC	27,885	$396.2K	0.00%
Ieq Capital, LLC	27,736	$394.1K	0.00%
Vanguard Global Advisers, LLC	27,066	$384.6K	0.00%
Knott David M Jr	24,200	$343.9K	0.20%
Vanguard Asset Management, Ltd	20,045	$284.8K	0.00%
Mercer Global Advisors Inc	14,109	$200.5K	0.00%
Verdad Advisers, LP	12,604	$179.1K	0.20%
Quadrature Capital Ltd	10,577	$150.3K	0.00%
State of New Jersey Common Pension Fund D	10,095	$143.4K	0.00%
Leonteq Securities AG	10,000	$142.1K	0.01%
Group One Trading, L.P.	8,856	$125.8K	0.00%
Vanguard Investments Australia, Ltd.	7,272	$103.3K	0.00%
Federation des caisses Desjardins du Quebec	2,000	$28.4K	0.00%
Capital Advisors, Ltd. LLC	1,600	$23.0K	0.00%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	922	$13.1K	0.00%
Bangor Savings Bank	842	$12.0K	0.00%
Rockefeller Capital Management L.P.	649	$9.22K	0.00%
Federated Hermes, Inc.	516	$7.33K	0.00%
Quantbot Technologies LP	122	$1.73K	0.00%
Wealth Preservation Advisors, LLC	84	$1.19K	0.00%
Fifth Third Bancorp	63	$895	0.00%
Root Financial Partners, LLC	62	$881	0.00%
True Wealth Design, LLC	54	$768	0.00%
Basecamp Wealth Advisors LLC	27	$384	0.00%

Sold out (17)

Institutions that held Cullinan Therapeutics, Inc. at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of CGEM in Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Two Sigma Advisers, LP	129,809	$1.34M
Squarepoint Ops LLC	75,820	$784.7K
Jacobs Levy Equity Management, Inc	73,755	$763.4K
NEOS Investment Management LLC	37,519	$388.3K
Aquatic Capital Management LLC	30,923	$320.1K
ExodusPoint Capital Management, LP	30,487	$315.5K
Quest Partners LLC	28,950	$299.6K
EntryPoint Capital, LLC	23,788	$246.2K
Fox Run Management, L.L.C.	21,204	$219.5K
Schonfeld Strategic Advisors LLC	16,638	$172.2K
D. E. Shaw & Co., Inc.	14,365	$148.7K
Compass Ion Advisors, LLC	13,904	$143.9K
Nano Cap New Millennium Growth Fund L P	10,000	$103.5K
Caitong International Asset Management Co., Ltd	4,680	$48.4K
Amalgamated Bank	1,696	$18.0K
Daiwa Securities Group Inc.	218	$2.00K
Clearstead Advisors, LLC	4	$42

Not filed for Q1 2026 yet (2)

Institutions that held Cullinan Therapeutics, Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CGEM in Q4 2025 that haven't filed for Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Vanguard Group Inc	3,298,504	$34.1M
Comerica Bank	66	$683