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Equibles

CITADEL ADVISORS LLC

Position in ASMB — Assembly Biosciences, Inc.

CIK 1423053 MIAMI, FL
Back to ASMB Full portfolio

Position in ASMB

as of Jun 30, 2026 · filed Sep 2, 2026
Position Value
$2,635,524
+$1,929,648 QoQ
Shares Held
95,907
+277.0% QoQ
Ownership
0.471%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#29
of 92 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ASMB Over Time

Shares Held

Position Value (USD)

Derivatives in ASMB

reported options exposure · as of Jun 30, 2026
CallValue
$508,380
CallShares
18,500
PutValue
$0
PutShares
0

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 $6,150,763,744 across 435 Biotechnology names. ASMB ranks #187 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ONC
BeOne Medicines Ltd.
 1,425,517 $406,229,578
2 BBIO
BridgeBio Pharma, Inc.
 3,760,028 $280,046,885
3 INSM
INSMED Inc
 2,556,973 $272,624,460
4 MDGL
Madrigal Pharmaceuticals, Inc.
 507,233 $272,358,759
5 VRTX
Vertex Pharmaceuticals Inc / Ma
 510,430 $253,545,893
6 JAZZ
Jazz Pharmaceuticals plc
 1,006,676 $242,578,715
7 MANE
Veradermics, Inc
 1,877,775 $230,853,658
8 ROIV
Roivant Sciences Ltd.
 5,576,261 $197,343,876

All Filings in ASMB

Export CSV
47 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $508,380 18,500
2026-06-30 $2,635,524 95,907
2026-03-31 $705,876 25,437
2025-12-31 $1,117,771 32,866
2025-09-30 $1,379,276 53,878
2025-06-30 $647,336 35,725
2025-03-31 $117,186 12,258
2024-09-30 $192,580 12,720
2024-06-30 $174,875 12,746
2024-06-30 $658 48
2023-12-31 $5,083 6,200
2023-12-31 $102,428 124,914
2023-12-31 $2,459 3,000
2023-09-30 $9,433 10,600
2023-09-30 $123,321 138,564
2023-06-30 $107,694 93,648
2023-06-30 $17,479 15,200
2023-03-31 $22,763 27,100
2023-03-31 $118,400 140,953
2022-12-31 $141,378 108,753
2022-12-31 $23,269 17,900
2022-09-30 $44,906 27,382
2022-06-30 $80,009 38,100
2022-06-30 $350,628 166,966
2022-03-31 $42,280 20,525
2022-03-31 $69,833 33,900
2021-12-31 $42,638 18,300
2021-12-31 $37,279 16,000
2021-12-31 $59,694 25,620
2021-09-30 $2,945,206 846,324
2021-09-30 $61,247 17,600
2021-06-30 $158,303 40,800
2021-06-30 $79,927 20,600
2021-06-30 $3,153,240 812,691
2021-03-31 $93,379 20,300
2021-03-31 $4,071,169 885,037
2021-03-31 $134,779 29,300
2020-12-31 $135,519 22,400
2020-12-31 $4,826,054 797,695
2020-12-31 $127,049 21,000
2020-09-30 $457,031 27,800
2020-09-30 $18,256,143 1,110,471
2020-06-30 $240,195 10,300
2020-06-30 $27,083,124 1,161,369
2020-03-31 $243,211 16,400
2020-03-31 $16,660,762 1,123,450
2020-03-31 $220,966 14,900