Sectoral Asset Management’s Cogent Biosciences COGT Stock Holding History

Sectoral Asset Management’s Portfolio COGT Stock Details COGT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$902K	Sell	22,140 -10,545	-32%	-$389K	0.75%	33
2025 Q4	$1.16M	Buy	+32,685	New	+$919K	0.93%	33
2025 Q2	–	Sell	-79,020	Closed	-$473K	–	98
2025 Q1	$473K	Buy	79,020 +5,220	+7%	+$40.9K	0.37%	55
2024 Q4	$576K	Sell	73,800 -10,600	-13%	-$106K	0.38%	54
2024 Q3	$912K	Sell	84,400 -1,200	-1%	-$11.7K	0.54%	52
2024 Q2	$722K	Sell	85,600 -178,100	-68%	-$1.35M	0.29%	58
2024 Q1	$1.77M	Buy	+263,700	New	+$1.63M	0.7%	45
2021 Q3	–	Sell	-27,000	Closed	-$219K	–	129
2021 Q2	$219K	Hold	27,000	–	–	0.02%	125
2021 Q1	$237K	Buy	+27,000	New	+$260K	0.02%	110
2020 Q1	–	Sell	-36,686	Closed	-$106K	–	68
2019 Q4	$106K	Sell	36,686 -343,108	-90%	-$1.4M	0.02%	65
2019 Q3	$2.19M	Sell	379,794 -17,065	-4%	-$139K	0.38%	52
2019 Q2	$4.16M	Hold	396,859	–	–	0.5%	57
2019 Q1	$6.97M	Buy	396,859 +84,323	+27%	+$1.44M	0.84%	44
2018 Q4	$5.5M	Buy	312,536 +50,800	+19%	+$1.5M	0.75%	47
2018 Q3	$10.8M	Sell	261,736 -8,650	-3%	-$488K	1.14%	32
2018 Q2	$15.5M	Hold	270,386	–	–	1.74%	24
2018 Q1	$12M	Buy	+270,386	New	+$12M	1.32%	28

Other funds holding COGT

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

FFM

Fairmount Funds Management West Conshohocken, Pennsylvania $1.38B AUM 407.79% 1-Year Est. Return

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

TCM

TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return

Sectoral Asset Management's COGT Position: Q1 2026 in Review

Sectoral Asset Management reduced its Cogent Biosciences (COGT) stake by 32% in Q1 2026, selling an estimated $389K and leaving 22,140 shares worth $902K. The position accounts for 0.75% of the portfolio, ranked #33.

Sectoral Asset Management first reported a position in COGT in Q1 2018 and has held it in 17 quarters since. The position peaked at $15.5M in Q2 2018. 305 funds tracked by Wall St. Rank hold COGT as of Q1 2026.

Sectoral Asset Management held 22,140 shares of Cogent Biosciences worth $902K as of Q1 2026.
Sectoral Asset Management sold 10,545 Cogent Biosciences shares in Q1 2026, an estimated $389K.
Cogent Biosciences made up 0.75% of Sectoral Asset Management's portfolio in Q1 2026, its #33 holding.
Sectoral Asset Management first reported a position in Cogent Biosciences in Q1 2018 and has held it in 17 quarters since.
Sectoral Asset Management's Cogent Biosciences position peaked at $15.5M in Q2 2018.
305 funds tracked by Wall St. Rank held Cogent Biosciences as of Q1 2026.

Based on Sectoral Asset Management's 13F filing for Q1 2026, filed 15 May 2026.