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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

ALNY holding history

Alnylam Pharmaceuticals, Inc. 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.

ALNY overviewAll 13F holders of ALNYFull Q2 2026 holdings

Shares (Q2 2026)
191,029
Value
$57.5M
% of portfolio
<0.1%
Quarters held
21
Since Q1 2021
Holdings of ALNY by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026191,029$57.5M<0.1%+167,614+715.8%AddedHolders
Q1 202623,415$7.75M<0.1%−15,044−39.1%ReducedHolders
Q4 202538,459$15.3M<0.1%−183,384−82.7%ReducedHolders
Q3 2025221,843$101.2M0.1%−379,356−63.1%ReducedHolders
Q2 2025601,199$196.0M0.2%+596,963+14,092.6%AddedHolders
Q1 20254,236$1.14M<0.1%−61,157−93.5%ReducedHolders
Q4 202465,393$15.4M<0.1%+41,461+173.2%AddedHolders
Q3 202423,932$6.58M<0.1%−343,357−93.5%ReducedHolders
Q2 2024367,289$89.3M0.1%+327,305+818.6%AddedHolders
Q1 202439,984$5.98M<0.1%−26,665−40.0%ReducedHolders
Q4 202366,649$12.8M<0.1%+66,649NewHolders
Q3 20230$00.0%−29,563−100.0%Sold outHolders
Q2 202329,563$5.62M<0.1%−74,773−71.7%ReducedHolders
Q1 2023104,336$20.9M<0.1%+102,896+7,145.6%AddedHolders
Q4 20221,440$342.2K<0.1%−81,132−98.3%ReducedHolders
Q3 202282,572$16.5M<0.1%+74,878+973.2%AddedHolders
Q2 20227,694$1.12M<0.1%+5,586+265.0%AddedHolders
Q1 20222,108$344.0K<0.1%−68,660−97.0%ReducedHolders
Q4 202170,768$12.0M<0.1%+49,889+238.9%AddedHolders
Q3 202120,879$3.94M<0.1%−18,070−46.4%ReducedHolders
Q2 202138,949$6.60M<0.1%−84,277−68.4%ReducedHolders
Q1 2021123,226$17.4M<0.1%––Holders

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