Cullinan Therapeutics CGEM Institutional Ownership

NASDAQ CGEM

$15.60 +0.37 (+2.43%)

As of: Sep 30, 2026 · 11:56 AM EDT

Institutions by Trading Activity

184 Institutions

Increased 116 63.0%

Unchanged 21 11.4%

Reduced 47 25.5%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

116.27%

▲+7.83 pp QoQ

Shares Held by Institutions

72.06Mn

of 61.97Mn outstanding

▲+14.00% QoQ

Shares Outstanding

61.97Mn

-10.08Mn held outside 13F filers

Institutional Investors

184

filed 13F for Jun 2026

▲+10 vs prior quarter

Net Shares Added (QoQ)

+8.85Mn

accumulated since last quarter

Value of Holdings

$1.08Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Cullinan Therapeutics, Inc. (NASDAQ:CGEM) showed up in the 13F filings of 184 institutional investors as of June 2026.

They owned 116.3% of outstanding stock in June 2026, up from 108.4% the prior quarter.
Their total shares held in CGEM increased 14.0% quarter over quarter, and separately, investors owning Cullinan Therapeutics increased 29.58% from a year ago.
During the quarter, 116 of these 184 funds increased positions in CGEM, 47 reduced exposure, and 21 held steady.
Combined, these investors held 72.06Mn shares in CGEM for June 2026, up by 8.85Mn shares quarter on quarter, and up 12.3Mn shares year over year.
As of June 30, 2026, the biggest holder of Cullinan Therapeutics is MPM BioImpact LLC at 9.73Mn shares, representing 15.7% of shares outstanding.
Leading buyers of Cullinan Therapeutics shares for the quarter ending June 2026 were MPM BioImpact LLC (2.08Mn), PRICE T ROWE ASSOCIATES INC /MD/ (1.8Mn), State Street Corp (1.12Mn), BlackRock, Inc. (782.8K), BOONE CAPITAL MANAGEMENT LLC (704.44K).
The largest sellers of Cullinan Therapeutics for the quarter ending June 2026 were MARSHALL WACE, LLP (983.53K), Point72 Asset Management, L.P. (830.37K), Blue Owl Capital Holdings LP (370.0K), Soleus Capital Management, L.P. (360.2K), Nuveen, LLC (333.75K).
Cullinan Therapeutics's 10 largest shareholders as of June 2026 include MPM BioImpact LLC (9.73Mn), Lynx1 Capital Management LP (8.96Mn), BVF INC/IL (5.75Mn), BlackRock, Inc. (5.23Mn), PRICE T ROWE ASSOCIATES INC /MD/ (3.83Mn), State Street Corp (3.67Mn), Kynam Capital Management, LP (3.11Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.61Mn), RTW INVESTMENTS, LP (2.36Mn), Siren, L.L.C. (1.89Mn) per Business Quant data.

Form 13F Holdings

184 Institutional Holders

Report period 30 Jun, 2026

Total shares held 72.06Mn

Of outstanding 116.27%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	MPM BioImpact LLC	0001687078	9,731,341	15.70%	▲2,083,073	+27.24%	$177.21Mn
2	Lynx1 Capital Management LP	0001910456	8,963,500	14.46%	0	0.00%	$163.23Mn
3	BVF INC/IL	0001056807	5,750,683	9.28%	0	0.00%	$104.72Mn
4	BlackRock, Inc.	0002012383	5,232,766	8.44%	▲782,800	+17.59%	$95.29Mn
5	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	3,825,950	6.17%	▲1,796,231	+88.50%	$69.67K
6	State Street Corp	0000093751	3,668,627	5.92%	▲1,124,512	+44.20%	$66.81Mn
7	Kynam Capital Management, LP	0001907884	3,114,132	5.03%	0	0.00%	$56.71Mn
8	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,614,066	4.22%	▲131,032	+5.28%	$47.60Mn
9	RTW INVESTMENTS, LP	0001493215	2,364,347	3.82%	▲658,387	+38.59%	$43.05Mn
10	Siren, L.L.C.	0002005245	1,893,410	3.06%	▲700,000	+58.66%	$34.48Mn
11	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,547,309	2.50%	▲179,041	+13.09%	$28.18Mn
12	Blue Owl Capital Holdings LP	0001858703	1,539,764	2.48%	▼370,000	-19.37%	$28.04Mn
13	Venrock Adviser, LLC	0001615982	1,379,965	2.23%	0	0.00%	$25.13Mn
14	BOOTHBAY FUND MANAGEMENT, LLC	0001549230	1,082,611	1.75%	▼30,192	-2.71%	$19.71Mn
15	DIMENSIONAL FUND ADVISORS LP	0000354204	1,046,694	1.69%	▲140,666	+15.53%	$19.06Mn
16	Goldman Sachs Group Inc	0000886982	1,001,598	1.62%	▲546,149	+119.91%	$18.24Mn
17	Affinity Asset Advisors, LLC	0001773195	875,760	1.41%	▲94,500	+12.10%	$15.95Mn
18	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	738,741	1.19%	▲186,188	+33.70%	$13.45Mn
19	BOONE CAPITAL MANAGEMENT LLC	0001882053	704,442	1.14%	▲704,442	0.00%	$12.83Mn
20	Elmind Capital, LP	0002052213	690,000	1.11%	▲160,000	+30.19%	$12.56Mn

Showing 1 to 20 of 184 holders