Deerfield Management’s Cogent Biosciences COGT Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$348M	Hold	9,043,903	–	–	4.11%	3
2025 Q4	$321M	Sell	9,043,903 -9,215	-0.1%	-$259K	4.1%	3
2025 Q3	$130M	Buy	9,053,118 +6,412,903	+243%	+$76M	1.98%	10
2025 Q2	$19M	Buy	2,640,215 +6,353	+0.2%	+$35.2K	0.34%	49
2025 Q1	$15.8M	Buy	2,633,862 +2,862	+0.1%	+$22.4K	0.31%	56
2024 Q4	$20.5M	Sell	2,631,000 -1,113,263	-30%	-$11.1M	0.39%	51
2024 Q3	$40.4M	Hold	3,744,263	–	–	0.6%	35
2024 Q2	$31.6M	Buy	3,744,263 +2,209,918	+144%	+$16.8M	0.53%	41
2024 Q1	$10.3M	Buy	1,534,345 +445,000	+41%	+$2.75M	0.18%	65
2023 Q4	$6.41M	Hold	1,089,345	–	–	0.12%	58
2023 Q3	$10.6M	Sell	1,089,345 -2,277,000	-68%	-$27M	0.23%	55
2023 Q2	$39.9M	Buy	3,366,345 +400,000	+13%	+$4.59M	0.85%	32
2023 Q1	$32M	Hold	2,966,345	–	–	0.71%	39
2022 Q4	$34.3M	Hold	2,966,345	–	–	0.71%	43
2022 Q3	$44.3M	Sell	2,966,345 -2,910,460	-50%	-$39.9M	0.88%	37
2022 Q2	$53M	Buy	5,876,805 +4,275,805	+267%	+$29.2M	1.09%	31
2022 Q1	$12M	Hold	1,601,000	–	–	0.27%	66
2021 Q4	$13.7M	Hold	1,601,000	–	–	0.29%	74
2021 Q3	$13.5M	Hold	1,601,000	–	–	0.26%	84
2021 Q2	$13M	Buy	1,601,000 +601,000	+60%	+$5.08M	0.23%	102
2021 Q1	$8.78M	Hold	1,000,000	–	–	0.18%	107
2020 Q4	$11.2M	Buy	+1,000,000	New	+$11M	0.22%	97