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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

ALKS holding history

Alkermes plc. in every 13F filed by Citadel Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ALKS overviewAll 13F holders of ALKSFull Q2 2026 holdings

Shares (Q2 2026)
1,645,101
Value
$86.2M
% of portfolio
<0.1%
Quarters held
21
Since Q1 2021
Holdings of ALKS by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,645,101$86.2M<0.1%−596,483−26.6%ReducedHolders
Q1 20262,241,584$79.3M0.1%+1,043,316+87.1%AddedHolders
Q4 20251,198,268$33.5M<0.1%+493,434+70.0%AddedHolders
Q3 2025704,834$21.1M<0.1%+667,411+1,783.4%AddedHolders
Q2 202537,423$1.07M<0.1%−46,944−55.6%ReducedHolders
Q1 202584,367$2.79M<0.1%+31,161+58.6%AddedHolders
Q4 202453,206$1.53M<0.1%−29,718−35.8%ReducedHolders
Q3 202482,924$2.32M<0.1%−239,290−74.3%ReducedHolders
Q2 2024322,214$7.77M<0.1%+267,931+493.6%AddedHolders
Q1 202454,283$1.47M<0.1%+54,283NewHolders
Q4 20230$00.0%−378,762−100.0%Sold outHolders
Q3 2023378,762$10.6M<0.1%−1,102,707−74.4%ReducedHolders
Q2 20231,481,469$46.4M0.1%−2,003,150−57.5%ReducedHolders
Q1 20233,484,619$98.2M0.1%−2,943,669−45.8%ReducedHolders
Q4 20226,428,288$168.0M0.2%+2,746,011+74.6%AddedHolders
Q3 20223,682,277$82.2M0.1%+899,970+32.3%AddedHolders
Q2 20222,782,307$82.9M0.1%+439,328+18.8%AddedHolders
Q1 20222,342,979$61.6M0.1%+1,684,879+256.0%AddedHolders
Q4 2021658,100$15.3M<0.1%+104,142+18.8%AddedHolders
Q3 2021553,958$17.1M<0.1%+291,038+110.7%AddedHolders
Q2 2021262,920$6.45M<0.1%−48,822−15.7%ReducedHolders
Q1 2021311,742$5.82M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.