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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

OM holding history

Outset Medical, 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.

OM overviewAll 13F holders of OMFull Q2 2026 holdings

Shares (Q2 2026)
11,179
Value
$48.3K
% of portfolio
<0.1%
Quarters held
21
Since Q1 2021
Holdings of OM by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202611,179$48.3K<0.1%+11,179NewHolders
Q1 20260$00.0%−18,770−100.0%Sold outHolders
Q4 202518,770$69.6K<0.1%−77,314−80.5%ReducedHolders
Q3 202596,084$1.36M<0.1%+75,762+372.8%AddedHolders
Q2 202520,322$390.4K<0.1%+17,483+615.8%AddedHolders
Q1 20252,839$31.4K<0.1%+2,644+1,357.4%AddedConverted for a 1-for-15 splitHolders
Q4 20242,922$3.24K<0.1%00.0%UnchangedHolders
Q3 20242,922$1.98K<0.1%−290,589−99.0%ReducedHolders
Q2 2024293,511$1.13M<0.1%+11,528+4.1%AddedHolders
Q1 2024281,983$626.0K<0.1%−155,850−35.6%ReducedHolders
Q4 2023437,833$2.37M<0.1%+419,224+2,252.8%AddedHolders
Q3 202318,609$202.5K<0.1%−13,572−42.2%ReducedHolders
Q2 202332,181$703.8K<0.1%−342,070−91.4%ReducedHolders
Q1 2023374,251$6.89M<0.1%+179,512+92.2%AddedHolders
Q4 2022194,739$5.03M<0.1%−332,830−63.1%ReducedHolders
Q3 2022527,569$8.40M<0.1%−278,431−34.5%ReducedHolders
Q2 2022806,000$12.0M<0.1%−23,288−2.8%ReducedHolders
Q1 2022829,288$37.6M<0.1%+28,027+3.5%AddedHolders
Q4 2021801,261$36.9M<0.1%−217,773−21.4%ReducedHolders
Q3 20211,019,034$50.4M0.1%+356,481+53.8%AddedHolders
Q2 2021662,553$33.1M<0.1%+412,902+165.4%AddedHolders
Q1 2021249,651$13.6M<0.1%––Holders

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