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	-10,400	Closed	-$321K	–	4225
2021 Q3	$321K	Buy	+10,400	New	+$294K	﹤0.01%	3613
2019 Q3	–	Sell	-10,000	Closed	-$225K	–	3411
2019 Q2	$225K	Buy	+10,000	New	+$274K	﹤0.01%	3030
2018 Q3	–	Sell	-16,200	Closed	-$667K	–	3141
2018 Q2	$667K	Buy	+16,200	New	+$738K	﹤0.01%	2442
2016 Q3	–	Sell	-11,200	Closed	-$484K	–	3062
2016 Q2	$484K	Buy	+11,200	New	+$462K	﹤0.01%	2276

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.