Prosight Management’s Alkermes ALKS Stock Holding History

Prosight Management’s Portfolio ALKS Stock Details ALKS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$20.7M	Sell	394,389 -119,243	-23%	-$4.66M	3.56%	10
2026 Q1	$18.2M	Buy	+513,632	New	+$15.9M	2.98%	12
2024 Q3	–	Sell	-275,000	Closed	-$6.63M	–	47
2024 Q2	$6.63M	Buy	275,000 +60,000	+28%	+$1.47M	1.98%	17
2024 Q1	$5.82M	Buy	215,000 +200,000	+1,333%	+$5.68M	1.62%	19
2023 Q4	$416K	Sell	15,000 -50,000	-77%	-$1.3M	0.17%	34
2023 Q3	$1.82M	Sell	65,000 -82,554	-56%	-$2.42M	0.58%	32
2023 Q2	$4.62M	Sell	147,554 -168,611	-53%	-$5.11M	1.35%	23
2023 Q1	$8.91M	Sell	316,165 -25,356	-7%	-$691K	4.23%	8
2022 Q4	$8.92M	Sell	341,521 -160,629	-32%	-$3.84M	4.87%	7
2022 Q3	$11.2M	Buy	+502,150	New	+$13.1M	6.01%	5

Other funds holding ALKS

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

BBA

Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

DTC

Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return

Prosight Management's ALKS Position: Q2 2026 in Review

Prosight Management reduced its Alkermes (ALKS) stake by 23% in Q2 2026, selling an estimated $4.66M and leaving 394,389 shares worth $20.7M. The position accounts for 3.56% of the portfolio, ranked #10.

Prosight Management first reported a position in ALKS in Q3 2022 and has held it in 10 quarters since. 424 funds tracked by Wall St. Rank hold ALKS as of Q2 2026.

Prosight Management held 394,389 shares of Alkermes worth $20.7M as of Q2 2026.
Prosight Management sold 119,243 Alkermes shares in Q2 2026, an estimated $4.66M.
Alkermes made up 3.56% of Prosight Management's portfolio in Q2 2026, its #10 holding.
Prosight Management first reported a position in Alkermes in Q3 2022 and has held it in 10 quarters since.
424 funds tracked by Wall St. Rank held Alkermes as of Q2 2026.

Based on Prosight Management's 13F filing for Q2 2026, filed 14 Aug 2026.