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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

MASI holding history

Masimo Corp 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.

MASI overviewAll 13F holders of MASIFull Q2 2026 holdings

Shares (Q2 2026)
0
Sold out in Q2 2026
Value
$0
% of portfolio
0.0%
Quarters held
21
Since Q1 2021
Holdings of MASI by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20260$00.0%−281,366−100.0%Sold outHolders
Q1 2026281,366$50.0M<0.1%+238,314+553.5%AddedHolders
Q4 202543,052$5.60M<0.1%−44,698−50.9%ReducedHolders
Q3 202587,750$12.9M<0.1%+63,473+261.5%AddedHolders
Q2 202524,277$4.08M<0.1%−25,205−50.9%ReducedHolders
Q1 202549,482$8.24M<0.1%−391,543−88.8%ReducedHolders
Q4 2024441,025$72.9M0.1%+251,476+132.7%AddedHolders
Q3 2024189,549$25.3M<0.1%−37,941−16.7%ReducedHolders
Q2 2024227,490$28.7M<0.1%−1,117,726−83.1%ReducedHolders
Q1 20241,345,216$197.5M0.2%+581,137+76.1%AddedHolders
Q4 2023764,079$89.6M0.1%+507,387+197.7%AddedHolders
Q3 2023256,692$22.5M<0.1%+217,158+549.3%AddedHolders
Q2 202339,534$6.51M<0.1%−116,787−74.7%ReducedHolders
Q1 2023156,321$28.8M<0.1%+123,109+370.7%AddedHolders
Q4 202233,212$4.91M<0.1%−155,505−82.4%ReducedHolders
Q3 2022188,717$26.6M<0.1%+63,752+51.0%AddedHolders
Q2 2022124,965$16.3M<0.1%−21,490−14.7%ReducedHolders
Q1 2022146,455$21.3M<0.1%+89,531+157.3%AddedHolders
Q4 202156,924$16.7M<0.1%+38,669+211.8%AddedHolders
Q3 202118,255$4.94M<0.1%+5,437+42.4%AddedHolders
Q2 202112,818$3.11M<0.1%−23,851−65.0%ReducedHolders
Q1 202136,669$8.42M<0.1%––Holders

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