Opaleye Management’s Alkermes ALKS Stock Holding History

Opaleye 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 Q1	–	Sell	-490,000	Closed	-$13.7M	–	55
2025 Q4	$13.7M	Buy	490,000 +40,000	+9%	+$1.2M	1.81%	15
2025 Q3	$13.5M	Buy	+450,000	New	+$12.7M	1.91%	13

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

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

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

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

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

Commodore Capital New York $1.68B AUM 375.52% 1-Year Est. Return

Opaleye Management's ALKS Position: Q1 2026 in Review

Opaleye Management sold out of Alkermes (ALKS) in Q1 2026, closing a stake of 490,000 shares — an estimated $13.7M sold.

Opaleye Management first reported a position in ALKS in Q3 2025 and held it in 2 quarters. The position peaked at $13.7M in Q4 2025. 390 funds tracked by Wall St. Rank hold ALKS as of Q1 2026.

Opaleye Management reported no remaining Alkermes position as of Q1 2026 after selling out during the quarter.
Opaleye Management sold 490,000 Alkermes shares in Q1 2026, an estimated $13.7M.
Opaleye Management first reported a position in Alkermes in Q3 2025 and held it in 2 quarters.
Opaleye Management's Alkermes position peaked at $13.7M in Q4 2025.
390 funds tracked by Wall St. Rank held Alkermes as of Q1 2026.

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