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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

COO holding history

Cooper Companies, 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.

COO overviewAll 13F holders of COOFull Q2 2026 holdings

Shares (Q2 2026)
3,872,397
Value
$277.7M
% of portfolio
0.2%
Quarters held
22
Since Q1 2021
Holdings of COO by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20263,872,397$277.7M0.2%+3,679,872+1,911.4%AddedHolders
Q1 2026192,525$13.8M<0.1%+136,574+244.1%AddedHolders
Q4 202555,951$4.59M<0.1%−86,547−60.7%ReducedHolders
Q3 2025142,498$9.77M<0.1%−254,821−64.1%ReducedHolders
Q2 2025397,319$28.3M<0.1%+157,104+65.4%AddedHolders
Q1 2025240,215$20.3M<0.1%+238,473+13,689.6%AddedHolders
Q4 20241,742$159.9K<0.1%−1,384,135−99.9%ReducedHolders
Q3 20241,385,877$152.9M0.2%−240,348−14.8%ReducedHolders
Q2 20241,626,225$142.0M0.1%−69,145−4.1%ReducedHolders
Q1 20241,695,370$172.0M0.2%−879,762−34.2%ReducedConverted for a 4-for-1 splitHolders
Q4 2023643,783$243.6M0.2%+614,084+2,067.7%AddedHolders
Q3 202329,699$9.44M<0.1%−57,368−65.9%ReducedHolders
Q2 202387,067$33.4M<0.1%−43,472−33.3%ReducedHolders
Q1 2023130,539$48.7M0.1%+128,662+6,854.7%AddedHolders
Q4 20221,877$620.7K<0.1%−54,212−96.7%ReducedHolders
Q3 202256,089$14.8M<0.1%+31,399+127.2%AddedHolders
Q2 202224,690$7.73M<0.1%−390,129−94.0%ReducedHolders
Q1 2022414,819$173.2M0.2%+149,028+56.1%AddedHolders
Q4 2021265,791$111.4M0.1%+171,358+181.5%AddedHolders
Q3 202194,433$39.0M<0.1%+31,196+49.3%AddedHolders
Q2 202163,237$25.1M<0.1%−8,691−12.1%ReducedHolders
Q1 202171,928$27.6M<0.1%––Holders

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