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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

OMC holding history

Omnicom Group 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.

OMC overviewAll 13F holders of OMCFull Q2 2026 holdings

Shares (Q2 2026)
1,644,047
Value
$119.7M
% of portfolio
0.1%
Quarters held
22
Since Q1 2021
Holdings of OMC by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,644,047$119.7M0.1%+398,691+32.0%AddedHolders
Q1 20261,245,356$93.8M0.1%−2,992,645−70.6%ReducedHolders
Q4 20254,238,001$342.2M0.2%+3,945,814+1,350.4%AddedHolders
Q3 2025292,187$23.8M<0.1%−528,204−64.4%ReducedHolders
Q2 2025820,391$59.0M0.1%−214,632−20.7%ReducedHolders
Q1 20251,035,023$85.8M0.1%+762,160+279.3%AddedHolders
Q4 2024272,863$23.5M<0.1%+236,103+642.3%AddedHolders
Q3 202436,760$3.80M<0.1%−1,979,842−98.2%ReducedHolders
Q2 20242,016,602$180.9M0.2%+162,021+8.7%AddedHolders
Q1 20241,854,581$179.4M0.2%−971,491−34.4%ReducedHolders
Q4 20232,826,072$244.5M0.2%−105,132−3.6%ReducedHolders
Q3 20232,931,204$218.3M0.2%−766,894−20.7%ReducedHolders
Q2 20233,698,098$351.9M0.4%+1,462,727+65.4%AddedHolders
Q1 20232,235,371$210.9M0.2%+248,496+12.5%AddedHolders
Q4 20221,986,875$162.1M0.2%+1,982,915+50,073.6%AddedHolders
Q3 20223,960$250.0K<0.1%−151,736−97.5%ReducedHolders
Q2 2022155,696$9.90M<0.1%−68,284−30.5%ReducedHolders
Q1 2022223,980$19.0M<0.1%−265,492−54.2%ReducedHolders
Q4 2021489,472$35.9M<0.1%+334,617+216.1%AddedHolders
Q3 2021154,855$11.2M<0.1%−1,413,669−90.1%ReducedHolders
Q2 20211,568,524$125.5M0.1%+878,713+127.4%AddedHolders
Q1 2021689,811$51.1M0.1%––Holders

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