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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

CSGP holding history

Costar Group, 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.

CSGP overviewAll 13F holders of CSGPFull Q2 2026 holdings

Shares (Q2 2026)
741,898
Value
$21.0M
% of portfolio
<0.1%
Quarters held
21
Since Q1 2021
Holdings of CSGP by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026741,898$21.0M<0.1%−346,306−31.8%ReducedHolders
Q1 20261,088,204$43.9M<0.1%+483,661+80.0%AddedHolders
Q4 2025604,543$40.6M<0.1%−1,122,075−65.0%ReducedHolders
Q3 20251,726,618$145.7M0.1%+1,695,175+5,391.3%AddedHolders
Q2 202531,443$2.53M<0.1%−12,047−27.7%ReducedHolders
Q1 202543,490$3.45M<0.1%−164,734−79.1%ReducedHolders
Q4 2024208,224$14.9M<0.1%−44,064−17.5%ReducedHolders
Q3 2024252,288$19.0M<0.1%−214,409−45.9%ReducedHolders
Q2 2024466,697$34.6M<0.1%−23,220−4.7%ReducedHolders
Q1 2024489,917$47.3M<0.1%+483,702+7,782.8%AddedHolders
Q4 20236,215$543.1K<0.1%−15,882−71.9%ReducedHolders
Q3 202322,097$1.70M<0.1%−228,746−91.2%ReducedHolders
Q2 2023250,843$22.3M<0.1%+238,495+1,931.4%AddedHolders
Q1 202312,348$850.2K<0.1%+12,279+17,795.7%AddedHolders
Q4 202269$5.33K<0.1%−2,773,232−100.0%ReducedHolders
Q3 20222,773,301$193.2M0.2%−132,781−4.6%ReducedHolders
Q2 20222,906,082$175.6M0.2%+2,200,026+311.6%AddedHolders
Q1 2022706,056$47.0M0.1%+535,718+314.5%AddedHolders
Q4 2021170,338$13.5M<0.1%+170,338NewHolders
Q3 20210$00.0%−657,599−100.0%Sold outHolders
Q2 2021657,599$54.5M0.1%+474,999+260.1%AddedConverted for a 10-for-1 splitHolders
Q1 202118,260$15.0M<0.1%––Holders

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