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CITADEL ADVISORS LLC

Position in ACRS — Aclaris Therapeutics, Inc.

CIK 1423053 MIAMI, FL

Position in ACRS

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$8,434,946
+$4,807,051 QoQ
Shares Held
2,249,319
+86.6% QoQ
Ownership
1.61%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in ACRS Over Time

Shares Held

Position Value (USD)

Derivatives in ACRS

reported options exposure · as of Mar 31, 2026
CallValue
$1,749,000
CallShares
466,400
PutValue
$383,625
PutShares
102,300

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 $5,784,241,435 across 374 Biotechnology names. ACRS ranks #100 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ACRS

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $8,434,946 2,249,319
2026-03-31 $383,625 102,300
2026-03-31 $1,749,000 466,400
2025-12-31 $3,627,895 1,205,281
2025-12-31 $3,426,584 1,138,400
2025-09-30 $2,722,086 1,432,677
2025-06-30 $1,624,204 1,143,806
2025-03-31 $48,960 32,000
2025-03-31 $7,803 5,100
2025-03-31 $1,716,783 1,122,081
2024-12-31 $137,260 55,347
2024-12-31 $81,096 32,700
2024-12-31 $52,080 21,000
2024-09-30 $1,150 1,000
2024-09-30 $419,251 364,567
2024-09-30 $4,025 3,500
2024-06-30 $3,630 3,300
2024-06-30 $962,736 875,216
2024-06-30 $14,520 13,200
2024-03-31 $1,153,203 930,003
2024-03-31 $46,500 37,500
2024-03-31 $19,716 15,900
2023-12-31 $5,658,227 5,388,789
2023-12-31 $18,165 17,300
2023-12-31 $35,175 33,500
2023-09-30 $1,543,305 225,300
2023-09-30 $22,997,093 3,357,240
2023-09-30 $741,855 108,300
2023-06-30 $1,117,886 107,800
2023-06-30 $895,968 86,400
2023-06-30 $27,097,577 2,613,074
2023-03-31 $948,957 117,300
2023-03-31 $25,141,810 3,107,764
2023-03-31 $1,100,240 136,000
2022-12-31 $130,725 8,300
2022-12-31 $16,931,879 1,075,040
2022-12-31 $48,825 3,100
2022-09-30 $17,603,882 1,118,417
2022-06-30 $13,304,884 953,072
2022-03-31 $16,760,727 972,200
2021-12-31 $300,978 20,700
2021-12-31 $14,711,164 1,011,772
2021-09-30 $19,145,106 1,063,617
2021-09-30 $385,200 21,400
2021-09-30 $412,200 22,900
2021-06-30 $21,553,020 1,227,393
2021-06-30 $182,624 10,400
2021-06-30 $751,568 42,800
2021-03-31 $33,449,194 1,327,349
2021-03-31 $806,400 32,000