Jim Simons’s Alkermes ALKS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$218M Sell
6,160,428
-507,600
-8% -$15.7M 0.34% 42
2025
Q4
$187M Buy
6,668,028
+375,500
+6% +$11.2M 0.29% 63
2025
Q3
$189M Buy
6,292,528
+482,368
+8% +$13.6M 0.25% 69
2025
Q2
$166M Buy
5,810,160
+71,332
+1% +$2.12M 0.22% 85
2025
Q1
$189M Buy
5,738,828
+260,100
+5% +$8.48M 0.29% 56
2024
Q4
$158M Buy
5,478,728
+57,697
+1% +$1.66M 0.23% 77
2024
Q3
$152M Sell
5,421,031
-62,800
-1% -$1.67M 0.23% 84
2024
Q2
$132M Sell
5,483,831
-403,320
-7% -$9.89M 0.22% 83
2024
Q1
$159M Sell
5,887,151
-162,166
-3% -$4.61M 0.25% 73
2023
Q4
$168M Sell
6,049,317
-66,696
-1% -$1.73M 0.26% 72
2023
Q3
$171M Buy
6,116,013
+949,600
+18% +$27.8M 0.29% 61
2023
Q2
$162M Buy
5,166,413
+227,500
+5% +$6.89M 0.23% 79
2023
Q1
$139M Sell
4,938,913
-705,600
-13% -$19.2M 0.18% 111
2022
Q4
$147M Buy
5,644,513
+88,400
+2% +$2.12M 0.2% 100
2022
Q3
$124M Buy
5,556,113
+233,500
+4% +$6.07M 0.18% 123
2022
Q2
$159M Buy
5,322,613
+454,600
+9% +$13.1M 0.19% 105
2022
Q1
$128M Buy
4,868,013
+57,068
+1% +$1.41M 0.15% 136
2021
Q4
$112M Buy
4,810,945
+66,463
+1% +$1.75M 0.14% 159
2021
Q3
$146M Sell
4,744,482
-534,131
-10% -$15.1M 0.19% 108
2021
Q2
$129M Sell
5,278,613
-786,900
-13% -$17.5M 0.16% 117
2021
Q1
$113M Sell
6,065,513
-889,900
-13% -$18.2M 0.14% 141
2020
Q4
$139M Buy
6,955,413
+171,200
+3% +$3.13M 0.15% 134
2020
Q3
$112M Sell
6,784,213
-350,800
-5% -$6.37M 0.11% 177
2020
Q2
$138M Sell
7,135,013
-46,100
-0.6% -$748K 0.12% 169
2020
Q1
$104M Buy
7,181,113
+544,360
+8% +$9.72M 0.1% 198
2019
Q4
$135M Buy
6,636,753
+1,735,545
+35% +$34.5M 0.1% 208
2019
Q3
$95.6M Buy
4,901,208
+950,622
+24% +$20.7M 0.08% 291
2019
Q2
$89M Buy
3,950,586
+2,302,600
+140% +$63.1M 0.08% 304
2019
Q1
$60.1M Buy
1,647,986
+853,585
+107% +$28.2M 0.05% 426
2018
Q4
$23.4M Buy
+794,401
New +$29.3M 0.03% 788
2018
Q2
Sell
-114,786
Closed -$6.65M 3237
2018
Q1
$6.65M Buy
+114,786
New +$6.72M 0.01% 1636
2017
Q2
Sell
-124,886
Closed -$7.31M 3173
2017
Q1
$7.31M Buy
+124,886
New +$7.08M 0.01% 1456
2016
Q1
Sell
-26,286
Closed -$2.09M 3355
2015
Q4
$2.09M Buy
+26,286
New +$1.84M ﹤0.01% 2083
2015
Q3
Sell
-229,286
Closed -$14.8M 3141
2015
Q2
$14.8M Buy
229,286
+30,600
+15% +$1.87M 0.03% 710
2015
Q1
$12.1M Buy
198,686
+134,700
+211% +$9.2M 0.03% 843
2014
Q4
$3.75M Sell
63,986
-91,800
-59% -$4.68M 0.01% 1441
2014
Q3
$6.68M Sell
155,786
-58,900
-27% -$2.64M 0.02% 1015
2014
Q2
$10.8M Buy
214,686
+161,376
+303% +$7.44M 0.03% 796
2014
Q1
$2.35M Sell
53,310
-452,276
-89% -$21.5M 0.01% 1679
2013
Q4
$20.6M Sell
505,586
-156,100
-24% -$5.76M 0.05% 452
2013
Q3
$22.2M Sell
661,686
-133,000
-17% -$4.33M 0.05% 434
2013
Q2
$22.8M Buy
+794,686
New +$23.2M 0.06% 401

Other funds holding ALKS

Jim Simons's ALKS Position: Q1 2026 in Review

Jim Simons reduced its Alkermes (ALKS) stake by 7.6% in Q1 2026, selling an estimated $15.7M and leaving 6,160,428 shares worth $218M. The position accounts for 0.34% of the portfolio, ranked #42.

Jim Simons first reported a position in ALKS in Q2 2013 and has held it in 42 quarters since. 389 funds tracked by Wall St. Rank hold ALKS as of Q1 2026.

  • Jim Simons held 6,160,428 shares of Alkermes worth $218M as of Q1 2026.
  • Jim Simons sold 507,600 Alkermes shares in Q1 2026, an estimated $15.7M.
  • Alkermes made up 0.34% of Jim Simons's portfolio in Q1 2026, its #42 holding.
  • Jim Simons first reported a position in Alkermes in Q2 2013 and has held it in 42 quarters since.
  • 389 funds tracked by Wall St. Rank held Alkermes as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.