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Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

AZPN holding history

Aspen Technology, 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.

AZPN overviewAll 13F holders of AZPNFull Q2 2026 holdings

Shares (Q1 2025)
0
Sold out in Q1 2025
Value
$0
% of portfolio
0.0%
Quarters held
15
Since Q1 2021
Holdings of AZPN by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q1 20250$00.0%−116,960−100.0%Sold outHolders
Q4 2024116,960$29.2M<0.1%−91,745−44.0%ReducedHolders
Q3 2024208,705$49.8M0.1%+8,870+4.4%AddedHolders
Q2 2024199,835$39.7M<0.1%+168,459+536.9%AddedHolders
Q1 202431,376$6.69M<0.1%−94,576−75.1%ReducedHolders
Q4 2023125,952$27.7M<0.1%−98,626−43.9%ReducedHolders
Q3 2023224,578$45.9M<0.1%+162,215+260.1%AddedHolders
Q2 202362,363$10.5M<0.1%+43,544+231.4%AddedHolders
Q1 202318,819$4.31M<0.1%+10,120+116.3%AddedHolders
Q4 20228,699$1.79M<0.1%−10,424−54.5%ReducedHolders
Q3 202219,123$4.55M<0.1%+19,123NewHolders
Q2 20220$00.0%−4,727−100.0%Sold outHolders
Q1 20224,727$782.0K<0.1%−157,285−97.1%ReducedHolders
Q4 2021162,012$24.7M<0.1%+152,149+1,542.6%AddedHolders
Q3 20219,863$1.21M<0.1%+5,681+135.8%AddedHolders
Q2 20214,182$575.0K<0.1%−202,467−98.0%ReducedHolders
Q1 2021206,649$29.8M<0.1%––Holders

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