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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

ALT holding history

Altimmune, 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.

ALT overviewAll 13F holders of ALTFull Q2 2026 holdings

Shares (Q2 2026)
983,559
Value
$2.99M
% of portfolio
<0.1%
Quarters held
20
Since Q1 2021
Holdings of ALT by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026983,559$2.99M<0.1%+534,686+119.1%AddedHolders
Q1 2026448,873$1.38M<0.1%−889,054−66.5%ReducedHolders
Q4 20251,337,927$4.83M<0.1%+55,913+4.4%AddedHolders
Q3 20251,282,014$4.83M<0.1%+758,553+144.9%AddedHolders
Q2 2025523,461$2.03M<0.1%+523,461NewHolders
Q1 20250$00.0%−675,044−100.0%Sold outHolders
Q4 2024675,044$4.87M<0.1%+247,457+57.9%AddedHolders
Q3 2024427,587$2.63M<0.1%+426,566+41,779.2%AddedHolders
Q2 20241,021$6.79K<0.1%−75,046−98.7%ReducedHolders
Q1 202476,067$774.4K<0.1%+76,067NewHolders
Q4 20230$00.0%−119,404−100.0%Sold outHolders
Q3 2023119,404$310.4K<0.1%−211,425−63.9%ReducedHolders
Q2 2023330,829$1.17M<0.1%−1,713,656−83.8%ReducedHolders
Q1 20232,044,485$8.63M<0.1%+885,024+76.3%AddedHolders
Q4 20221,159,461$19.1M<0.1%+1,030,210+797.1%AddedHolders
Q3 2022129,251$1.65M<0.1%−1,018,607−88.7%ReducedHolders
Q2 20221,147,858$13.4M<0.1%+23,451+2.1%AddedHolders
Q1 20221,124,407$6.85M<0.1%+86,453+8.3%AddedHolders
Q4 20211,037,954$9.51M<0.1%−51,898−4.8%ReducedHolders
Q3 20211,089,852$12.3M<0.1%−201,013−15.6%ReducedHolders
Q2 20211,290,865$12.7M<0.1%+160,606+14.2%AddedHolders
Q1 20211,130,259$16.0M<0.1%––Holders

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