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CenterBook Partners’s Alkermes ALKS Stock Holding History

CenterBook Partners’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 		$1.37M Buy
+38,625
New +$1.2M 0.07% 301
2025
Q4 		– Sell
-27,928
Closed -$838K – 551
2025
Q3 		$838K Buy
27,928
+6,579
+31% +$186K 0.04% 406
2025
Q2 		$611K Buy
+21,349
New +$635K 0.03% 403

Other funds holding ALKS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
CC
Commodore Capital New York $1.73B AUM 298.96% 1-Year Est. Return

CenterBook Partners's ALKS Position: Q1 2026 in Review

CenterBook Partners opened a new position in Alkermes (ALKS) in Q1 2026: 38,625 shares worth $1.37M. The stake represents 0.07% of the portfolio and ranks #301 among its holdings. This is a return to the name: CenterBook Partners previously reported a position in ALKS as recently as Q3 2025.

CenterBook Partners first reported a position in ALKS in Q2 2025 and has held it in 3 quarters since. 389 funds tracked by Wall St. Rank hold ALKS as of Q1 2026.

  • CenterBook Partners held 38,625 shares of Alkermes worth $1.37M as of Q1 2026.
  • Alkermes was a new CenterBook Partners position in Q1 2026.
  • Alkermes made up 0.07% of CenterBook Partners's portfolio in Q1 2026, its #301 holding.
  • CenterBook Partners first reported a position in Alkermes in Q2 2025 and has held it in 3 quarters since.
  • 389 funds tracked by Wall St. Rank held Alkermes as of Q1 2026.

Based on CenterBook Partners's 13F filing for Q1 2026, filed 5 May 2026.