Simplex Trading’s Cogent Biosciences COGT Stock Holding History

Simplex Trading’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	$121K	Buy	+3,153	New	+$116K	﹤0.01%	4859
2025 Q4	–	Sell	-66,988	Closed	-$1.88M	–	8745
2025 Q3	$961K	Sell	66,988 -12,373	-16%	-$147K	﹤0.01%	3090
2025 Q2	$569K	Buy	79,361 +79,349	+661,242%	+$440K	﹤0.01%	3365
2025 Q1	$0	Sell	12 -46,598	-100%	-$365K	﹤0.01%	8646
2024 Q4	$363K	Buy	+46,610	New	+$465K	﹤0.01%	3864
2024 Q2	–	Sell	-7,303	Closed	-$55.4K	–	8913
2024 Q1	$49K	Buy	+7,303	New	+$45.1K	﹤0.01%	6272
2023 Q4	–	Sell	-2,629	Closed	-$20.1K	–	8901
2023 Q3	$25K	Buy	+2,629	New	+$31.2K	﹤0.01%	6411
2023 Q2	–	Sell	-679	Closed	-$7.79K	–	9090
2023 Q1	$7K	Sell	679 -1,250	-65%	-$16K	﹤0.01%	7802
2022 Q4	$22K	Sell	1,929 -3,624	-65%	-$44.9K	﹤0.01%	6770
2022 Q3	$82K	Buy	+5,553	New	+$76.1K	﹤0.01%	5785
2022 Q1	–	Sell	-100	Closed	-$696	–	10505
2021 Q4	$0	Buy	+100	New	+$869	﹤0.01%	10568

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

Simplex Trading's COGT Position: Q1 2026 in Review

Simplex Trading opened a new position in Cogent Biosciences (COGT) in Q1 2026: 3,153 shares worth $121K. The stake represents ﹤0.01% of the portfolio and ranks #4859 among its holdings. This is a return to the name: Simplex Trading previously reported a position in COGT as recently as Q3 2025.

Simplex Trading first reported a position in COGT in Q4 2021 and has held it in 11 quarters since. The position peaked at $961K in Q3 2025. 305 funds tracked by Wall St. Rank hold COGT as of Q1 2026.

Simplex Trading held 3,153 shares of Cogent Biosciences worth $121K as of Q1 2026.
Cogent Biosciences was a new Simplex Trading position in Q1 2026.
Cogent Biosciences made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #4859 holding.
Simplex Trading first reported a position in Cogent Biosciences in Q4 2021 and has held it in 11 quarters since.
Simplex Trading's Cogent Biosciences position peaked at $961K in Q3 2025.
305 funds tracked by Wall St. Rank held Cogent Biosciences as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.