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CITADEL ADVISORS LLC

Position in ABOS — Acumen Pharmaceuticals, Inc.

CIK 1423053 MIAMI, FL

Position in ABOS

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$0
-$728,547 QoQ
Shares Held
0
-100.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2021
19 quarters on record

Common Shares in ABOS Over Time

Shares Held

Position Value (USD)

Derivatives in ABOS

reported options exposure · as of Mar 31, 2026
CallValue
$0
CallShares
0
PutValue
$28,320
PutShares
12,000

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Mar 31, 2026

CITADEL ADVISORS LLC holds $5,780,363,972 across 373 Biotechnology names.

# Ticker Company Shares Value (USD) Open

All Filings in ABOS

Export CSV
39 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $28,320 12,000
2025-12-31 $728,547 345,283
2025-12-31 $56,548 26,800
2025-09-30 $844,924 494,108
2025-09-30 $19,836 11,600
2025-06-30 $16,588 14,300
2025-03-31 $30,250 27,500
2025-03-31 $43,010 39,100
2024-12-31 $49,192 28,600
2024-12-31 $74,476 43,300
2024-12-31 $16,506 9,597
2024-09-30 $41,940 16,912
2024-09-30 $122,760 49,500
2024-09-30 $7,192 2,900
2024-06-30 $9,680 4,000
2024-06-30 $200,888 83,012
2024-06-30 $78,650 32,500
2024-03-31 $94,571 23,351
2024-03-31 $7,695 1,900
2024-03-31 $38,880 9,600
2023-12-31 $503,485 131,116
2023-12-31 $1,920 500
2023-12-31 $49,152 12,800
2023-09-30 $63,080 15,200
2023-09-30 $962 232
2023-09-30 $101,260 24,400
2023-06-30 $27,417 5,700
2023-06-30 $90,909 18,900
2023-06-30 $227,965 47,394
2023-03-31 $57,168 14,081
2023-03-31 $34,104 8,400
2022-12-31 $287,820 53,300
2022-12-31 $3,780 700
2022-09-30 $1,470,398 146,600
2022-06-30 $252,620 53,749
2022-03-31 $599,195 153,247
2022-03-31 $78,200 20,000
2021-12-31 $503,775 74,523
2021-09-30 $584,680 39,346