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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

BIO holding history

Bio-Rad Laboratories, 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.

BIO overviewAll 13F holders of BIOFull Q2 2026 holdings

Shares (Q2 2026)
60,819
Value
$17.9M
% of portfolio
<0.1%
Quarters held
21
Since Q1 2021
Holdings of BIO by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202660,819$17.9M<0.1%−87,850−59.1%ReducedHolders
Q1 2026148,669$41.4M<0.1%+139,189+1,468.2%AddedHolders
Q4 20259,480$2.87M<0.1%−40,826−81.2%ReducedHolders
Q3 202550,306$14.1M<0.1%+47,688+1,821.5%AddedHolders
Q2 20252,618$631.8K<0.1%−10,193−79.6%ReducedHolders
Q1 202512,811$3.12M<0.1%+11,947+1,382.8%AddedHolders
Q4 2024864$283.8K<0.1%−19,629−95.8%ReducedHolders
Q3 202420,493$6.86M<0.1%+20,493NewHolders
Q2 20240$00.0%−38,070−100.0%Sold outHolders
Q1 202438,070$13.2M<0.1%+16,217+74.2%AddedHolders
Q4 202321,853$7.06M<0.1%+16,873+338.8%AddedHolders
Q3 20234,980$1.79M<0.1%−37,287−88.2%ReducedHolders
Q2 202342,267$16.0M<0.1%−17,820−29.7%ReducedHolders
Q1 202360,087$28.8M<0.1%−65,877−52.3%ReducedHolders
Q4 2022125,964$53.0M0.1%+35,034+38.5%AddedHolders
Q3 202290,930$37.9M<0.1%+39,151+75.6%AddedHolders
Q2 202251,779$25.6M<0.1%−83,985−61.9%ReducedHolders
Q1 2022135,764$76.5M0.1%+127,648+1,572.8%AddedHolders
Q4 20218,116$6.13M<0.1%−536−6.2%ReducedHolders
Q3 20218,652$6.45M<0.1%−20,789−70.6%ReducedHolders
Q2 202129,441$19.0M<0.1%+25,831+715.5%AddedHolders
Q1 20213,610$2.06M<0.1%––Holders

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