Simplex Trading
ALKS icon

Simplex Trading’s Alkermes ALKS Stock Holding History

Simplex Trading’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 		$60.1K Sell
1,700
-3,200
-65% -$99.3K ﹤0.01% 5667
2025
Q4 		$137K Sell
4,900
-1,600
-25% -$47.9K ﹤0.01% 4642
2025
Q3 		$195K Buy
6,500
+5,600
+622% +$158K ﹤0.01% 4961
2025
Q2 		$25K Sell
900
-14,100
-94% -$420K ﹤0.01% 6554
2025
Q1 		$495K Sell
15,000
-12,500
-45% -$408K ﹤0.01% 3418
2024
Q4 		$790K Buy
27,500
+27,300
+13,650% +$785K ﹤0.01% 3083
2024
Q3 		$5K Sell
200
-16,800
-99% -$448K ﹤0.01% 7569
2024
Q2 		$409K Buy
17,000
+6,500
+62% +$159K ﹤0.01% 3859
2024
Q1 		$143K Sell
10,500
-36,200
-78% -$1.03M ﹤0.01% 5203
2023
Q4 		$157K Buy
46,700
+5,800
+14% +$151K ﹤0.01% 4919
2023
Q3 		$1.15M Buy
40,900
+10,100
+33% +$296K ﹤0.01% 2536
2023
Q2 		$964K Sell
30,800
-31,600
-51% -$957K ﹤0.01% 2634
2023
Q1 		$1.76M Buy
62,400
+27,800
+80% +$757K ﹤0.01% 2056
2022
Q4 		$904K Buy
34,600
+24,800
+253% +$593K ﹤0.01% 2560
2022
Q3 		$218K Buy
9,800
+3,600
+58% +$93.6K ﹤0.01% 4499
2022
Q2 		$184K Buy
6,200
+1,600
+35% +$46K ﹤0.01% 4716
2022
Q1 		$121K Sell
4,600
-162,700
-97% -$4.03M ﹤0.01% 5872
2021
Q4 		$3.89M Buy
167,300
+156,500
+1,449% +$4.11M ﹤0.01% 1410
2021
Q3 		$268K Sell
10,800
-200
-2% -$5.65K ﹤0.01% 5093
2021
Q2 		$269K Buy
+11,000
New +$245K ﹤0.01% 5170
2021
Q1 		– Sell
-153
Closed -$305K – 8694
2020
Q4 		$305K Sell
153
-15
-9% -$275 ﹤0.01% 4045
2020
Q3 		$278K Buy
168
+14
+9% +$254 ﹤0.01% 3688
2020
Q2 		$298K Buy
154
+68
+79% +$1.1K ﹤0.01% 3530
2020
Q1 		$124K Buy
86
+59
+219% +$1.05K ﹤0.01% 4130
2019
Q4 		$55K Buy
27
+17
+170% +$338 ﹤0.01% 5100
2019
Q3 		$19K Sell
10
-41
-80% -$892 ﹤0.01% 5827
2019
Q2 		$114K Sell
51
-326
-86% -$8.94K ﹤0.01% 4039
2019
Q1 		$1.38M Buy
377
+334
+777% +$11K ﹤0.01% 1707
2018
Q4 		$126K Sell
43
-98
-70% -$3.61K ﹤0.01% 3621
2018
Q3 		$598K Sell
141
-43
-23% -$1.87K ﹤0.01% 2437
2018
Q2 		$757K Sell
184
-32,574
-99% -$1.48M ﹤0.01% 2038
2018
Q1 		$1.91M Buy
32,758
+32,724
+96,247% +$1.91M 0.08% 197
2017
Q4 		$12K Buy
34
+21
+162% +$1.07K ﹤0.01% 3718
2017
Q3 		$3K Sell
13
-61
-82% -$3.26K ﹤0.01% 4714
2017
Q2 		$13K Buy
74
+50
+208% +$2.9K ﹤0.01% 3707
2017
Q1 		$2K Sell
24
-200
-89% -$11.3K ﹤0.01% 5190
2016
Q4 		$23K Buy
224
+172
+331% +$9.2K ﹤0.01% 2890
2016
Q3 		$6K Sell
52
-29
-36% -$1.38K ﹤0.01% 4058
2016
Q2 		$13K Buy
81
+8
+11% +$330 ﹤0.01% 3302
2016
Q1 		$3K Sell
73
-74
-50% -$2.92K ﹤0.01% 4402
2015
Q4 		$72K Buy
147
+64
+77% +$4.48K 0.01% 1619
2015
Q3 		$7K Sell
83
-44
-35% -$2.9K ﹤0.01% 3709
2015
Q2 		$94K Buy
127
+34
+37% +$2.08K 0.01% 1239
2015
Q1 		$60K Buy
+93
New +$6.35K 0.01% 1427

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

Simplex Trading's ALKS Position: Q1 2026 in Review

Simplex Trading opened a new position in Alkermes (ALKS) in Q1 2026: 13,138 shares worth $465K. The stake represents ﹤0.01% of the portfolio and ranks #3350 among its holdings. This is a return to the name: Simplex Trading previously reported a position in ALKS as recently as Q3 2025.

Simplex Trading first reported a position in ALKS in Q4 2014 and has held it in 32 quarters since. The position peaked at $2.59M in Q4 2017. 388 funds tracked by Wall St. Rank hold ALKS as of Q1 2026.

  • Simplex Trading held 13,138 shares of Alkermes worth $465K as of Q1 2026.
  • Alkermes was a new Simplex Trading position in Q1 2026.
  • Alkermes made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #3350 holding.
  • Simplex Trading first reported a position in Alkermes in Q4 2014 and has held it in 32 quarters since.
  • Simplex Trading's Alkermes position peaked at $2.59M in Q4 2017.
  • 388 funds tracked by Wall St. Rank held Alkermes as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.