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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

SEIC holding history

SEI Investments Co 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.

SEIC overviewAll 13F holders of SEICFull Q2 2026 holdings

Shares (Q2 2026)
92,433
Value
$8.11M
% of portfolio
<0.1%
Quarters held
21
Since Q1 2021
Holdings of SEIC by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202692,433$8.11M<0.1%+50,464+120.2%AddedHolders
Q1 202641,969$3.29M<0.1%−110,307−72.4%ReducedHolders
Q4 2025152,276$12.5M<0.1%−54,422−26.3%ReducedHolders
Q3 2025206,698$17.5M<0.1%+4,122+2.0%AddedHolders
Q2 2025202,576$18.2M<0.1%+202,576NewHolders
Q1 20250$00.0%−745,895−100.0%Sold outHolders
Q4 2024745,895$61.5M0.1%−470,144−38.7%ReducedHolders
Q3 20241,216,039$84.1M0.1%+303,190+33.2%AddedHolders
Q2 2024912,849$59.1M0.1%−171,281−15.8%ReducedHolders
Q1 20241,084,130$77.9M0.1%−546,453−33.5%ReducedHolders
Q4 20231,630,583$103.6M0.1%+332,840+25.6%AddedHolders
Q3 20231,297,743$78.2M0.1%−155,408−10.7%ReducedHolders
Q2 20231,453,151$86.6M0.1%+1,142,240+367.4%AddedHolders
Q1 2023310,911$17.9M<0.1%+100,523+47.8%AddedHolders
Q4 2022210,388$12.3M<0.1%+194,834+1,252.6%AddedHolders
Q3 202215,554$763.0K<0.1%−27,385−63.8%ReducedHolders
Q2 202242,939$2.32M<0.1%+32,532+312.6%AddedHolders
Q1 202210,407$627.0K<0.1%−49,632−82.7%ReducedHolders
Q4 202160,039$3.66M<0.1%−2,362−3.8%ReducedHolders
Q3 202162,401$3.70M<0.1%−804−1.3%ReducedHolders
Q2 202163,205$3.92M<0.1%+13,331+26.7%AddedHolders
Q1 202149,874$3.04M<0.1%––Holders

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