Citadel Advisors’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
$820K Sell
23,200
-59,200
-72% -$1.84M ﹤0.01% 8124
2025
Q4
$2.31M Buy
82,400
+20,200
+32% +$605K ﹤0.01% 5644
2025
Q3
$1.87M Buy
62,200
+50,800
+446% +$1.43M ﹤0.01% 6214
2025
Q2
$326K Sell
11,400
-11,600
-50% -$345K ﹤0.01% 9614
2025
Q1
$759K Buy
23,000
+7,300
+46% +$238K ﹤0.01% 7567
2024
Q4
$452K Buy
15,700
+1,300
+9% +$37.4K ﹤0.01% 8788
2024
Q3
$403K Sell
14,400
-1,000
-6% -$26.7K ﹤0.01% 8712
2024
Q2
$371K Sell
15,400
-312,600
-95% -$7.67M ﹤0.01% 8678
2024
Q1
$8.88M Buy
328,000
+282,400
+619% +$8.02M ﹤0.01% 3091
2023
Q4
$1.26M Sell
45,600
-4,400
-9% -$114K ﹤0.01% 6226
2023
Q3
$1.4M Buy
50,000
+25,000
+100% +$733K ﹤0.01% 5908
2023
Q2
$783K Sell
25,000
-3,300
-12% -$99.9K ﹤0.01% 6971
2023
Q1
$798K Sell
28,300
-2,550,500
-99% -$69.5M ﹤0.01% 7286
2022
Q4
$67.4M Buy
2,578,800
+2,043,900
+382% +$48.9M 0.02% 903
2022
Q3
$11.9M Buy
534,900
+503,500
+1,604% +$13.1M ﹤0.01% 2509
2022
Q2
$935K Buy
31,400
+6,000
+24% +$172K ﹤0.01% 7177
2022
Q1
$668K Buy
25,400
+11,300
+80% +$280K ﹤0.01% 8677
2021
Q4
$328K Sell
14,100
-10,300
-42% -$271K ﹤0.01% 10725
2021
Q3
$753K Sell
24,400
-27,100
-53% -$766K ﹤0.01% 8863
2021
Q2
$1.26M Sell
51,500
-56,300
-52% -$1.25M ﹤0.01% 7736
2021
Q1
$2.01M Buy
107,800
+61,800
+134% +$1.26M ﹤0.01% 6361
2020
Q4
$918K Sell
46,000
-12,300
-21% -$225K ﹤0.01% 6977
2020
Q3
$966K Sell
58,300
-7,400
-11% -$134K ﹤0.01% 6093
2020
Q2
$1.27M Buy
65,700
+31,700
+93% +$515K ﹤0.01% 5381
2020
Q1
$490K Buy
34,000
+22,900
+206% +$409K ﹤0.01% 6490
2019
Q4
$226K Sell
11,100
-2,800
-20% -$55.6K ﹤0.01% 8003
2019
Q3
$271K Sell
13,900
-4,200
-23% -$91.4K ﹤0.01% 7704
2019
Q2
$408K Buy
18,100
+2,000
+12% +$54.8K ﹤0.01% 7113
2019
Q1
$587K Sell
16,100
-24,800
-61% -$819K ﹤0.01% 6519
2018
Q4
$1.21M Sell
40,900
-3,700
-8% -$136K ﹤0.01% 5015
2018
Q3
$1.89M Buy
44,600
+8,300
+23% +$360K ﹤0.01% 4512
2018
Q2
$1.49M Buy
36,300
+17,900
+97% +$815K ﹤0.01% 4548
2018
Q1
$1.07M Buy
18,400
+9,400
+104% +$550K ﹤0.01% 4716
2017
Q4
$493K Hold
9,000
﹤0.01% 5670
2017
Q3
$458K Buy
9,000
+3,300
+58% +$176K ﹤0.01% 5464
2017
Q2
$330K Buy
5,700
+700
+14% +$40.7K ﹤0.01% 5746
2017
Q1
$293K Sell
5,000
-6,600
-57% -$374K ﹤0.01% 5909
2016
Q4
$645K Sell
11,600
-4,200
-27% -$225K ﹤0.01% 4506
2016
Q3
$743K Buy
15,800
+2,900
+22% +$138K ﹤0.01% 4242
2016
Q2
$558K Buy
12,900
+300
+2% +$12.4K ﹤0.01% 4331
2016
Q1
$431K Buy
12,600
+7,000
+125% +$276K ﹤0.01% 4615
2015
Q4
$445K Sell
5,600
-10,900
-66% -$763K ﹤0.01% 4616
2015
Q3
$968K Sell
16,500
-4,500
-21% -$297K ﹤0.01% 3864
2015
Q2
$1.35M Sell
21,000
-12,400
-37% -$759K ﹤0.01% 3569
2015
Q1
$2.04M Buy
33,400
+22,900
+218% +$1.56M ﹤0.01% 3036
2014
Q4
$615K Sell
10,500
-5,700
-35% -$290K ﹤0.01% 4417
2014
Q3
$694K Sell
16,200
-1,400
-8% -$62.8K ﹤0.01% 4181
2014
Q2
$886K Sell
17,600
-14,700
-46% -$678K ﹤0.01% 3669
2014
Q1
$1.42M Buy
32,300
+18,300
+131% +$871K ﹤0.01% 2983
2013
Q4
$569K Buy
14,000
+6,700
+92% +$247K ﹤0.01% 3853
2013
Q3
$245K Sell
7,300
-16,800
-70% -$547K ﹤0.01% 4564
2013
Q2
$691K Buy
+24,100
New +$702K ﹤0.01% 3525

Other funds holding ALKS

Citadel Advisors's ALKS Position: Q1 2026 in Review

Citadel Advisors increased its Alkermes (ALKS) stake by 87% in Q1 2026, buying an estimated $32.4M and bringing the position to 2,241,584 shares worth $79.3M. The position accounts for 0.01% of the portfolio, ranked #982.

Citadel Advisors first reported a position in ALKS in Q2 2013 and has held it in 46 quarters since. The position peaked at $168M in Q4 2022. 388 funds tracked by Wall St. Rank hold ALKS as of Q1 2026.

  • Citadel Advisors held 2,241,584 shares of Alkermes worth $79.3M as of Q1 2026.
  • Citadel Advisors bought 1,043,316 Alkermes shares in Q1 2026, an estimated $32.4M.
  • Alkermes made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #982 holding.
  • Citadel Advisors first reported a position in Alkermes in Q2 2013 and has held it in 46 quarters since.
  • Citadel Advisors's Alkermes position peaked at $168M in Q4 2022.
  • 388 funds tracked by Wall St. Rank held Alkermes as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.