Jane Street
ALKS icon

Jane Street’s Alkermes ALKS Stock Holding History

Jane Street’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 		$417K Sell
11,800
-22,300
-65% -$692K ﹤0.01% 8472
2025
Q4 		$954K Sell
34,100
-15,300
-31% -$458K ﹤0.01% 6220
2025
Q3 		$1.48M Buy
+49,400
New +$1.39M ﹤0.01% 5491
2025
Q1 		– Sell
-14,000
Closed -$403K – 9330
2024
Q4 		$403K Buy
+14,000
New +$402K ﹤0.01% 7224
2024
Q3 		– Sell
-11,300
Closed -$272K – 9509
2024
Q2 		$272K Buy
+11,300
New +$277K ﹤0.01% 7950
2024
Q1 		– Sell
-7,600
Closed -$211K – 9115
2023
Q4 		$211K Sell
7,600
-23,800
-76% -$618K ﹤0.01% 8142
2023
Q3 		$880K Sell
31,400
-10,400
-25% -$305K ﹤0.01% 5382
2023
Q2 		$1.31M Buy
41,800
+3,800
+10% +$115K ﹤0.01% 4799
2023
Q1 		$1.07M Buy
38,000
+12,500
+49% +$341K ﹤0.01% 4871
2022
Q4 		$666K Buy
25,500
+300
+1% +$7.18K ﹤0.01% 5654
2022
Q3 		$563K Sell
25,200
-38,900
-61% -$1.01M ﹤0.01% 6471
2022
Q2 		$1.91M Buy
64,100
+44,300
+224% +$1.27M ﹤0.01% 4253
2022
Q1 		$521K Sell
19,800
-2,400
-11% -$59.4K ﹤0.01% 7395
2021
Q4 		$516K Buy
22,200
+2,100
+10% +$55.2K ﹤0.01% 7210
2021
Q3 		$620K Sell
20,100
-12,500
-38% -$353K ﹤0.01% 6869
2021
Q2 		$799K Buy
+32,600
New +$725K ﹤0.01% 6321
2020
Q2 		– Sell
-100,000
Closed -$1.44M – 7024
2020
Q1 		$1.44M Buy
+100,000
New +$1.79M ﹤0.01% 2366
2016
Q1 		– Sell
-3,200
Closed -$254K – 4016
2015
Q4 		$254K Buy
+3,200
New +$224K ﹤0.01% 3305

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

Jane Street's ALKS Position: Q1 2026 in Review

Jane Street reduced its Alkermes (ALKS) stake by 91% in Q1 2026, selling an estimated $1.71M and leaving 5,700 shares worth $202K. The position accounts for ﹤0.01% of the portfolio, ranked #10132.

Jane Street first reported a position in ALKS in Q2 2013 and has held it in 38 quarters since. The position peaked at $17.3M in Q1 2025. 389 funds tracked by Wall St. Rank hold ALKS as of Q1 2026.

  • Jane Street held 5,700 shares of Alkermes worth $202K as of Q1 2026.
  • Jane Street sold 55,070 Alkermes shares in Q1 2026, an estimated $1.71M.
  • Alkermes made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #10132 holding.
  • Jane Street first reported a position in Alkermes in Q2 2013 and has held it in 38 quarters since.
  • Jane Street's Alkermes position peaked at $17.3M in Q1 2025.
  • 389 funds tracked by Wall St. Rank held Alkermes as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.