John Overdeck’s Alkermes ALKS Stock Holding History

John Overdeck’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
2021 Q4	–	Sell	-7,800	Closed	-$241K	–	4226
2021 Q3	$241K	Buy	+7,800	New	+$220K	﹤0.01%	3831
2018 Q3	–	Sell	-15,500	Closed	-$638K	–	3142
2018 Q2	$638K	Buy	+15,500	New	+$706K	﹤0.01%	2473
2017 Q4	–	Sell	-5,600	Closed	-$285K	–	3053
2017 Q3	$285K	Buy	+5,600	New	+$299K	﹤0.01%	2445
2016 Q3	–	Sell	-8,700	Closed	-$376K	–	3063
2016 Q2	$376K	Buy	+8,700	New	+$359K	﹤0.01%	2431

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

John Overdeck's ALKS Position: Q2 2026 in Review

John Overdeck increased its Alkermes (ALKS) stake by 33% in Q2 2026, buying an estimated $10.1M and bringing the position to 1,038,311 shares worth $54.4M. The position accounts for 0.04% of the portfolio, ranked #525.

John Overdeck first reported a position in ALKS in Q2 2013 and has held it in 45 quarters since. 422 funds tracked by Wall St. Rank hold ALKS as of Q2 2026.

John Overdeck held 1,038,311 shares of Alkermes worth $54.4M as of Q2 2026.
John Overdeck bought 257,628 Alkermes shares in Q2 2026, an estimated $10.1M.
Alkermes made up 0.04% of John Overdeck's portfolio in Q2 2026, its #525 holding.
John Overdeck first reported a position in Alkermes in Q2 2013 and has held it in 45 quarters since.
422 funds tracked by Wall St. Rank held Alkermes as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.