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 3 sales; 183 institutions reported holding it in 13F filings for Q2 2026, worth $1.30B in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding Cullinan Therapeutics, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026 All holders in Q1 2026

13F holders of CGEM: Q1 2026 compared with Q2 2026
Measure	Q1 2026	Of which not filed for Q2 2026	Q2 2026	Change
Holders	174	2	183	+11
Shares	65.6M	30.7K	71.6M	+6.12M (+9.3%)
Value	$931.0M	$436.5K	$1.30B	+$373.8M (+40.2%)

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (31)

Institutions that held Cullinan Therapeutics, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to CGEM in Q2 2026
Institution	Shares	Value	% of portfolio
Boone Capital Management LLC	704,442	$12.8M	3.00%
Perceptive Advisors LLC	426,478	$7.77M	0.12%
Adage Capital Partners GP, L.L.C.	238,000	$4.33M	0.01%
Squarepoint Ops LLC	168,117	$3.06M	0.01%
Martingale Asset Management L P	61,938	$1.13M	0.03%
Franklin Resources Inc	42,345	$771.1K	0.00%
Fisher Asset Management, LLC	35,998	$655.5K	0.00%
Massachusetts Financial Services Co	31,713	$577.5K	0.00%
ExodusPoint Capital Management, LP	28,537	$519.7K	0.00%
Sound Capital Solutions LLC	28,061	$511.0K	0.12%
Panagora Asset Management Inc	24,396	$444.3K	0.00%
Acadian Asset Management LLC	20,279	$366.0K	0.00%
State of Wisconsin Investment Board	20,050	$365.1K	0.00%
Jupiter Topco LLC	18,528	$337.5K	0.00%
Two Sigma Securities, LLC	15,220	$277.2K	0.02%
Axq Capital, LP	14,935	$272.0K	0.03%
SEI Investments Co	13,446	$244.9K	0.00%
Voya Investment Management LLC	11,815	$215.2K	0.00%
EntryPoint Capital, LLC	11,556	$210.4K	0.05%
Wealth Enhancement Advisory Services, LLC	11,168	$202.5K	0.00%
Campbell & CO Investment Adviser LLC	11,090	$201.9K	0.01%
Arizona State Retirement System	10,438	$190.1K	0.00%
Pacer Advisors, Inc.	1,104	$20.0K	0.00%
STRS Ohio	1,000	$18.2K	0.00%
Nykredit A/S	948	$17.3K	0.00%
Caitong International Asset Management Co., Ltd	315	$5.74K	0.00%
Avion Wealth	200	$3.00K	0.00%
Wealth Enhancement Trust Services, Inc.	79	$1.44K	0.00%
Silver Grove Financial Group, Inc.	71	$1.29K	0.00%
National Bank of Canada	23	$419	0.00%
Clearstead Advisors, LLC	15	$275	0.00%

Sold out (20)

Institutions that held Cullinan Therapeutics, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of CGEM in Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Nextech Invest, Ltd.	1,141,145	$16.2M
Deerfield Management Company, L.P. (Series C)	386,169	$5.49M
OrbiMed Advisors LLC	243,006	$3.45M
Schroder Investment Management Group	173,740	$2.33M
Cinctive Capital Management LP	94,444	$1.34M
Superstring Capital Management LP	59,484	$845.3K
ADAR1 Capital Management, LLC	50,000	$710.5K
Gsa Capital Partners LLP	43,339	$616.0K
HRT Financial LP	38,586	$548.0K
Voleon Capital Management LP	24,092	$342.3K
Brevan Howard Capital Management LP	24,078	$342.1K
Jane Street Group, LLC	22,812	$324.2K
Quadrature Capital Ltd	10,577	$150.3K
ProShare Advisors LLC	10,465	$148.7K
Seven Fleet Capital Management LP	1,844	$26.2K
Public Employees Retirement Association of Colorado	1,150	$16.0K
MAI Capital Management	938	$13.3K
Quadrant Capital Group LLC	761	$10.8K
Wealth Preservation Advisors, LLC	84	$1.19K
Root Financial Partners, LLC	62	$881

Not filed for Q2 2026 yet (2)

Institutions that held Cullinan Therapeutics, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CGEM in Q1 2026 that haven't filed for Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Janus Henderson Group PLC	18,528	$263.2K
CWM, LLC	12,196	$173.3K