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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

HOS holding history

Hornbeck Offshore Services, 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.

HOS overviewAll 13F holders of HOSFull Q2 2026 holdings

Shares (Q2 2026)
146,603
Value
$1.28M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of HOS by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026146,603$1.28M<0.1%−861,273−85.5%ReducedHolders
Q1 20261,007,876$9.97M<0.1%+335,642+49.9%AddedHolders
Q4 2025672,234$4.21M<0.1%−66,562−9.0%ReducedHolders
Q3 2025738,796$4.85M<0.1%+589,243+394.0%AddedHolders
Q2 2025149,553$933.2K<0.1%+142,155+1,921.5%AddedHolders
Q1 20257,398$61.5K<0.1%+7,194+3,526.5%AddedHolders
Q4 2024204$1.90K<0.1%−36,772−99.4%ReducedHolders
Q3 202436,976$410.4K<0.1%−275,960−88.2%ReducedHolders
Q2 2024312,936$3.74M<0.1%+297,496+1,926.8%AddedHolders
Q1 202415,440$167.4K<0.1%−226,631−93.6%ReducedHolders
Q4 2023242,071$2.49M<0.1%−898,902−78.8%ReducedHolders
Q3 20231,140,973$12.7M<0.1%+269,769+31.0%AddedHolders
Q2 2023871,204$6.43M<0.1%−817,431−48.4%ReducedHolders
Q1 20231,688,635$13.1M<0.1%+195,773+13.1%AddedHolders
Q4 20221,492,862$11.0M<0.1%−80,586−5.1%ReducedHolders
Q3 20221,573,448$6.07M<0.1%+1,181,341+301.3%AddedHolders
Q2 2022392,107$1.22M<0.1%+179,163+84.1%AddedHolders
Q1 2022212,944$1.02M<0.1%−119,328−35.9%ReducedHolders
Q4 2021332,272$1.04M<0.1%+221,174+199.1%AddedHolders
Q3 2021111,098$431.0K<0.1%+68,600+161.4%AddedHolders
Q2 202142,498$243.0K<0.1%−80,497−65.4%ReducedHolders
Q1 2021122,995$621.0K<0.1%––Holders

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