Cullinan Therapeutics Ownership | Who Owns Cullinan Therapeutics?

Cullinan Therapeutics Ownership Summary

Cullinan Therapeutics is owned by 36.43% institutional investors, 0.45% insiders, and 63.13% retail investors. Lynx1 capital management lp is the largest institutional shareholder, holding 15.14% of CGEM shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.02% of its assets in Cullinan Therapeutics shares.

CGEM Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Cullinan Therapeutics	36.43%	0.45%	63.13%
Sector	Healthcare Stocks	35.58%	11.87%	52.55%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Lynx1 capital management lp	8.96M	15.14%	$127.37M
Bioimpact capital	7.65M	12.92%	$108.68M
Bvf inc/il	5.75M	9.71%	$81.72M
Blackrock	3.55M	8.25%	$61.92M
Blackrock funding, inc. /de	4.45M	7.52%	$63.23M
Vanguard group	3.30M	5.59%	$34.14M
Kynam capital management, lp	3.11M	5.26%	$44.25M
State street	2.54M	4.30%	$36.15M
Price t rowe associates inc /md/	2.03M	3.43%	$28.84M
Blue owl capital lp	1.91M	3.23%	$27.14M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Lynx1 capital management lp	8.96M	20.13%	$127.37M
Bioimpact capital	7.65M	8.39%	$108.68M
Blue owl capital lp	1.91M	7.29%	$27.14M
Kynam capital management, lp	3.11M	2.73%	$44.25M
Bvf inc/il	5.75M	2.60%	$81.72M
Nextech invest	1.14M	2.25%	$13.90M
Nextech invest	1.14M	1.14%	$16.22M
Great point partners	300.00K	0.98%	$4.26M
Twin focus capital partners	595.49K	0.97%	$8.46M
Vr adviser	1.38M	0.73%	$19.61M

Top Buyers

Holder	Shares	% Assets	Change
Price t rowe associates inc /md/	2.03M	0.00%	1.98M
Blackrock	3.55M	0.00%	1.12M
Artal group	1.06M	0.47%	1.06M
Boxer capital	657.89K	0.60%	657.89K
Marshall wace, llp	1.05M	0.01%	635.22K

Top Sellers

Holder	Shares	% Assets	Change
Paradigm biocapital advisors lp	-	-	-2.32M
Holocene advisors, lp	-	-	-1.53M
Franklin resources	-	-	-1.42M
Affinity asset advisors	781.26K	0.57%	-1.15M
Cormorant asset management, lp	-	-	-1.13M

New Positions

Holder	Shares	% Assets	Change	Value
Artal group	1.06M	0.47%	1.06M	$18.45M
Boxer capital	657.89K	0.60%	657.89K	$11.47M
Soleus capital management	410.20K	0.24%	410.20K	$5.83M
Tcg crossover management	406.79K	0.17%	406.79K	$5.78M
Vanguard fiduciary trust	342.85K	0.00%	342.85K	$4.87M

Sold Out

Holder	Change
Clearstead advisors	-4.00
Nelson, van denburg & campbell wealth management group	-5.00
Capital performance advisors llp	-13.00
Versant capital management	-23.00
Corecap advisors	-29.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	76	-51.28%	21,564,544	-65.87%	36	0.32%	48	-48.39%	15	-64.29%
Dec 31, 2025	87	-40.00%	24,287,663	-60.24%	41	0.38%	54	-36.47%	24	-33.33%
Sep 30, 2025	141	2.92%	61,105,493	3.70%	103	1.04%	81	20.90%	35	-14.63%
Jun 30, 2025	144	-4.00%	62,598,313	-3.20%	106	0.88%	69	1.47%	44	-16.98%
Mar 31, 2025	19	-87.25%	31,573,885	-51.85%	53	0.43%	6	-92.68%	5	-86.11%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	1.86M	3.02%	-
Vanguard US Total Market Shares ETF	1.50M	2.57%	-
State Street® SPDR® S&P® Biotech ETF	1.42M	2.31%	-14.40K
iShares Russell 2000 ETF	1.26M	2.06%	10.67K
Franklin Small Cap Growth SMA	849.95K	1.44%	849.91K
Franklin US Small Cap Growth Equity	849.95K	1.44%	64.90K
Franklin Biotechnology Discv A(acc)USD	842.14K	1.43%	-
Franklin Small Cap Growth Adv	785.04K	1.33%	-
AB Small Cap Growth A	750.85K	1.27%	-21.14K
Vanguard Institutional Extnd Mkt Idx Tr	579.10K	0.94%	8.92K

Recent Insider Transactions

Date	Name	Role	Activity	Value
May 05, 2026	Michaelson Jennifer	Chief Scientific Officer	Sell	$3.12K
May 05, 2026	Michaelson Jennifer	Chief Scientific Officer	Sell	$113.88K
Mar 05, 2026	Michaelson Jennifer	Chief Scientific Officer	Sell	$125.44K
Feb 25, 2026	Michaelson Jennifer	Chief Scientific Officer	Sell	$25.17K
Feb 24, 2026	Michaelson Jennifer	Chief Scientific Officer	Sell	$52.11K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	2
2026 Q1	-	15
2025 Q4	8	8
2025 Q3	-	-
2025 Q2	-	-

CGEM Ownership FAQ

Who owns the most shares of Cullinan Therapeutics?

Cullinan Therapeutics’s largest shareholders are Lynx1 capital management lp (8.96M shares, 15.14%), Bioimpact capital (7.65M shares, 12.92%), and Bvf inc/il (5.75M shares, 9.71%). Together, they hold 37.77% of Cullinan Therapeutics’s total shares outstanding.

Does Blackrock own Cullinan Therapeutics?

Yes, BlackRock owns 8.25% of Cullinan Therapeutics, totaling 3.55M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 61.92M$. In the last quarter, BlackRock increased its holdings by 1.12M shares, a 46.16% change.

Who is Cullinan Therapeutics’s biggest shareholder by percentage of total assets invested?

Lynx1 capital management lp is Cullinan Therapeutics’s biggest shareholder by percentage of total assets invested, with 20.13% of its assets in 8.96M Cullinan Therapeutics shares, valued at 127.37M$.

Who is the top mutual fund holder of Cullinan Therapeutics shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Cullinan Therapeutics shares, with 3.02% of its total shares outstanding invested in 1.86M Cullinan Therapeutics shares.

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