Rossby Financial’s Alkermes ALKS Stock Holding History

Rossby Financial’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	$3.35K	Hold	64	–	–	﹤0.01%	1589
2026 Q1	$2.24K	Buy	64 +43	+205%	+$1.33K	﹤0.01%	1777
2025 Q4	$588	Hold	21	–	–	﹤0.01%	1612
2025 Q3	$644	Buy	+21	New	+$592	﹤0.01%	1340

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

Rossby Financial's ALKS Position: Q2 2026 in Review

Rossby Financial held its Alkermes (ALKS) position steady in Q2 2026 at 64 shares worth $3.35K. The position accounts for ﹤0.01% of the portfolio, ranked #1589.

Rossby Financial first reported a position in ALKS in Q3 2025 and has held it in 4 quarters since. 425 funds tracked by Wall St. Rank hold ALKS as of Q2 2026.

Rossby Financial held 64 shares of Alkermes worth $3.35K as of Q2 2026.
Rossby Financial left its Alkermes share count unchanged in Q2 2026.
Alkermes made up ﹤0.01% of Rossby Financial's portfolio in Q2 2026, its #1589 holding.
Rossby Financial first reported a position in Alkermes in Q3 2025 and has held it in 4 quarters since.
425 funds tracked by Wall St. Rank held Alkermes as of Q2 2026.

Based on Rossby Financial's 13F filing for Q2 2026, filed 4 Aug 2026.