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CITADEL ADVISORS LLC

Position in ACIU — AC Immune SA

CIK 1423053 MIAMI, FL

Position in ACIU

as of Jun 30, 2026 · filed Sep 2, 2026
Position Value
$494,101
-$240,789 QoQ
Shares Held
207,606
-22.3% QoQ
Ownership
0.209%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#8
of 43 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ACIU Over Time

Shares Held

Position Value (USD)

Derivatives in ACIU

reported options exposure · as of Jun 30, 2026
CallValue
$27,370
CallShares
11,500
PutValue
$81,634
PutShares
34,300

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 Jun 30, 2026

CITADEL ADVISORS LLC holds $6,149,545,836 across 435 Biotechnology names. ACIU ranks #268 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ACIU

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $27,370 11,500
2026-06-30 $81,634 34,300
2026-06-30 $494,101 207,606
2026-03-31 $734,890 267,233
2026-03-31 $57,475 20,900
2026-03-31 $27,775 10,100
2025-12-31 $223,413 71,151
2025-12-31 $35,796 11,400
2025-12-31 $158,570 50,500
2025-09-30 $65,025 22,500
2025-09-30 $58,126 20,113
2025-06-30 $296,377 145,999
2025-06-30 $57,855 28,500
2025-03-31 $283,231 151,461
2025-03-31 $8,976 4,800
2025-03-31 $41,514 22,200
2024-12-31 $20,520 7,600
2024-12-31 $21,230 7,863
2024-09-30 $82,426 21,806
2024-09-30 $378 100
2024-09-30 $101,304 26,800
2024-06-30 $138,883 34,808
2024-06-30 $150,024 37,600
2024-06-30 $51,471 12,900
2024-03-31 $22,792 7,700
2024-03-31 $95,016 32,100
2024-03-31 $179,766 60,732
2023-12-31 $58,000 11,600
2023-12-31 $22,500 4,500
2023-09-30 $285 100
2023-09-30 $3,126 1,097
2023-09-30 $64,410 22,600
2023-06-30 $6,205 2,100
2023-06-30 $82,444 27,900
2023-03-31 $7,405 3,165
2023-03-31 $21,528 9,200
2023-03-31 $1,638 700
2022-12-31 $7,140 3,500
2022-12-31 $13,260 6,500
2022-12-31 $340,808 167,063
2022-09-30 $35,076 11,100
2022-03-31 $108,400 27,100
2021-12-31 $126,783 25,613
2021-12-31 $167,310 33,800
2021-12-31 $58,410 11,800
2021-09-30 $174,460 26,000
2021-09-30 $241,828 36,040
2021-09-30 $332,145 49,500
2021-06-30 $142,740 18,000
2021-06-30 $172,611 21,767