Cogent Biosciences Ownership | Who Owns Cogent Biosciences?

Cogent Biosciences Ownership Summary

Cogent Biosciences is owned by 91.83% institutional investors, 0.52% insiders, and 7.64% retail investors. Fmr is the largest institutional shareholder, holding 34.21% of COGT shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.88% of its assets in Cogent Biosciences shares.

COGT Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Cogent Biosciences	91.83%	0.52%	7.64%
Sector	Healthcare Stocks	35.58%	11.87%	52.55%
Industry	Biotech Stocks	35.75%	11.83%	52.41%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Fmr	23.12M	34.21%	$889.99M
Blackrock funding, inc. /de	16.05M	23.74%	$617.57M
Deerfield management company, l.p. (series c)	9.04M	13.38%	$348.10M
Vanguard group	11.51M	10.06%	$408.99M
Janus henderson group	5.97M	8.82%	$229.63M
State street	5.66M	8.38%	$217.99M
Fairmount funds management	5.50M	8.14%	$211.83M
Rtw investments, lp	5.46M	8.07%	$210.10M
Blackrock	7.29M	7.34%	$61.44M
Tcg crossover management	4.95M	7.32%	$190.41M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Fairmount funds management	5.50M	15.30%	$211.83M
Octagon capital advisors lp	2.35M	10.01%	$90.45M
Kynam capital management, lp	4.04M	9.59%	$155.40M
New leaf venture partners	250.76K	8.37%	$3.60M
Commodore capital lp	2.89M	6.43%	$111.16M
Superstring capital management lp	225.16K	6.19%	$8.67M
Exome asset management	278.53K	5.54%	$10.72M
Tcg crossover management	4.95M	5.45%	$190.41M
Silverarc capital management	1.31M	5.16%	$50.58M
Boone capital management	945.04K	4.45%	$13.57M

Top Buyers

Holder	Shares	% Assets	Change
Vanguard group	11.51M	0.01%	3.76M
Blackrock funding, inc. /de	16.05M	0.01%	3.07M
Goldman sachs group	4.43M	0.02%	2.73M
Invesco	2.43M	0.01%	1.84M
Pictet asset management sa	1.80M	0.07%	1.69M

Top Sellers

Holder	Shares	% Assets	Change
Paradigm biocapital advisors lp	3.16M	1.29%	-7.20M
Fairmount funds management	5.50M	15.30%	-3.50M
Duquesne family office	-	-	-2.21M
Rtw investments, lp	5.46M	2.09%	-2.13M
Kynam capital management, lp	4.04M	9.59%	-2.13M

New Positions

Holder	Shares	% Assets	Change	Value
Vestal point capital, lp	1.23M	1.32%	1.23M	$47.38M
Vanguard fiduciary trust	1.06M	0.01%	1.06M	$40.73M
Boone capital management	945.04K	4.45%	945.04K	$13.57M
Fiera capital	558.25K	0.07%	558.25K	$21.49M
Logos global management lp	500.00K	0.64%	500.00K	$7.18M

Sold Out

Holder	Change
Clear point advisors	-1.00
Clearstead advisors	-1.00
National bank of canada /fi/	-1.00
Cbiz investment advisory services	-3.00
Bell investment advisors	-13.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	183	-33.21%	62,079,799	-64.34%	91	0.14%	121	-35.98%	48	-26.15%
Dec 31, 2025	185	-7.96%	94,836,876	-40.44%	82	0.43%	132	1.54%	40	-4.76%
Sep 30, 2025	195	1.56%	159,200,721	17.46%	139	0.99%	125	17.92%	41	5.13%
Jun 30, 2025	191	5.52%	135,507,980	6.74%	118	0.94%	104	8.33%	40	-16.67%
Mar 31, 2025	184	1.10%	133,476,565	9.67%	117	0.97%	98	-	48	2.13%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	4.92M	2.88%	13.51K
Vanguard US Total Market Shares ETF	3.09M	2.71%	-
Vanguard Small Cap Index	3.55M	2.08%	-7.78K
iShares Russell 2000 ETF	3.37M	1.97%	28.39K
FIAM Small Cap Core Composite	1.87M	1.69%	225.12K
State Street® SPDR® S&P® Biotech ETF	2.62M	1.53%	-25.90K
Fidelity Small Cap Growth	2.51M	1.47%	-
Vanguard Small Cap Value Index Inv	2.28M	1.34%	15.44K
Fidelity Select Health Care	2.28M	1.33%	-280.00K
FIAM Small Cap Core CIT Cl B	1.83M	1.31%	-15.60K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Mar 31, 2026	Fairmount Funds Management LLC	-	Sell	$242.62M
Jan 22, 2026	Fairmount Funds Management LLC	-	Sell	$127.40M
Dec 26, 2025	Kearns Evan	Chief Legal Officer	Sell	$2.52M
Dec 26, 2025	Green John L.	Chief Financial Officer	Sell	$2.98M
Dec 26, 2025	Sachs Jessica	Chief Medical Officer	Sell	$3.20M

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	-
2026 Q1	-	2
2025 Q4	-	4
2025 Q3	1	-
2025 Q2	-	-

COGT Ownership FAQ

Who Owns Cogent Biosciences?

Cogent Biosciences shareholders are primarily institutional investors at 91.83%, followed by 0.52% insiders and 7.65% retail investors. The average institutional ownership in Cogent Biosciences's industry, Biotech Stocks , is 35.75%, which Cogent Biosciences exceeds.

Who owns the most shares of Cogent Biosciences?

Cogent Biosciences’s largest shareholders are Fmr (23.12M shares, 34.21%), Blackrock funding, inc. /de (16.05M shares, 23.74%), and Deerfield management company, l.p. (series c) (9.04M shares, 13.38%). Together, they hold 71.32% of Cogent Biosciences’s total shares outstanding.

Does Blackrock own Cogent Biosciences?

Yes, BlackRock owns 7.34% of Cogent Biosciences, totaling 7.29M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 61.44M$. In the last quarter, BlackRock increased its holdings by 598.76K shares, a 8.95% change.

Who is Cogent Biosciences’s biggest shareholder by percentage of total assets invested?

Fairmount funds management is Cogent Biosciences’s biggest shareholder by percentage of total assets invested, with 15.30% of its assets in 5.5M Cogent Biosciences shares, valued at 211.83M$.

Who is the top mutual fund holder of Cogent Biosciences shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Cogent Biosciences shares, with 2.88% of its total shares outstanding invested in 4.92M Cogent Biosciences shares.

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