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Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

ABOS holding history

Acumen Pharmaceuticals, 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.

ABOS overviewAll 13F holders of ABOSFull Q2 2026 holdings

Shares (Q2 2026)
51,049
Value
$136.3K
% of portfolio
<0.1%
Quarters held
15
Since Q3 2021
Holdings of ABOS by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202651,049$136.3K<0.1%+51,049NewHolders
Q1 20260$00.0%−345,283−100.0%Sold outHolders
Q4 2025345,283$728.5K<0.1%−148,825−30.1%ReducedHolders
Q3 2025494,108$844.9K<0.1%+494,108NewHolders
Q1 20250$00.0%−9,597−100.0%Sold outHolders
Q4 20249,597$16.5K<0.1%−7,315−43.3%ReducedHolders
Q3 202416,912$41.9K<0.1%−66,100−79.6%ReducedHolders
Q2 202483,012$200.9K<0.1%+59,661+255.5%AddedHolders
Q1 202423,351$94.6K<0.1%−107,765−82.2%ReducedHolders
Q4 2023131,116$503.5K<0.1%+130,884+56,415.5%AddedHolders
Q3 2023232$963<0.1%−47,162−99.5%ReducedHolders
Q2 202347,394$228.0K<0.1%+33,313+236.6%AddedHolders
Q1 202314,081$57.2K<0.1%+14,081NewHolders
Q3 20220$00.0%−53,749−100.0%Sold outHolders
Q2 202253,749$253.0K<0.1%−99,498−64.9%ReducedHolders
Q1 2022153,247$599.0K<0.1%+78,724+105.6%AddedHolders
Q4 202174,523$504.0K<0.1%+35,177+89.4%AddedHolders
Q3 202139,346$585.0K<0.1%+39,346NewHolders