Skip to main content

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

ARM holding history

Arm Holdings PLC 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.

ARM overviewAll 13F holders of ARMFull Q2 2026 holdings

Shares (Q2 2026)
167,727
Value
$59.5M
% of portfolio
<0.1%
Quarters held
12
Since Q3 2023
Holdings of ARM by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026167,727$59.5M<0.1%−121,093−41.9%ReducedHolders
Q1 2026288,820$43.7M<0.1%−217,895−43.0%ReducedHolders
Q4 2025506,715$55.4M<0.1%+436,080+617.4%AddedHolders
Q3 202570,635$9.99M<0.1%−456,986−86.6%ReducedHolders
Q2 2025527,621$85.3M0.1%+298,361+130.1%AddedHolders
Q1 2025229,260$24.5M<0.1%−204,089−47.1%ReducedHolders
Q4 2024433,349$53.5M<0.1%−24,023−5.3%ReducedHolders
Q3 2024457,372$65.4M0.1%+416,567+1,020.9%AddedHolders
Q2 202440,805$6.68M<0.1%−2,488,157−98.4%ReducedHolders
Q1 20242,528,962$316.1M0.3%+1,170,604+86.2%AddedHolders
Q4 20231,358,358$102.1M0.1%−2,086,848−60.6%ReducedHolders
Q3 20233,445,206$184.4M0.2%+3,445,206NewHolders