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Equibles

CITADEL ADVISORS LLC

Position in ALDX — Aldeyra Therapeutics, Inc.

CIK 1423053 MIAMI, FL
Back to ALDX Full portfolio

Position in ALDX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$807,576
+$357,462 QoQ
Shares Held
379,144
+42.4% QoQ
Ownership
0.628%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#22
of 108 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ALDX Over Time

Shares Held

Position Value (USD)

Derivatives in ALDX

reported options exposure · as of Jun 30, 2026
CallValue
$348,468
CallShares
163,600
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 $6,088,670,159 across 436 Biotechnology names. ALDX ranks #245 (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 ALDX

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $348,468 163,600
2026-06-30 $807,576 379,144
2026-03-31 $450,114 266,340
2026-03-31 $44,954 26,600
2026-03-31 $209,391 123,900
2025-12-31 $1,197,616 231,200
2025-12-31 $630,406 121,700
2025-09-30 $794,765 152,254
2025-09-30 $80,910 15,500
2025-09-30 $927,594 177,700
2025-06-30 $435,854 113,800
2025-06-30 $47,698 12,454
2025-03-31 $112,700 19,600
2025-03-31 $457,125 79,500
2024-12-31 $427,352 85,642
2024-12-31 $321,855 64,500
2024-12-31 $422,154 84,600
2024-09-30 $494,263 91,700
2024-09-30 $374,066 69,400
2024-09-30 $291,872 54,151
2024-06-30 $31,656 9,564
2024-06-30 $291,611 88,100
2024-06-30 $107,575 32,500
2024-03-31 $180,660 55,248
2024-03-31 $93,849 28,700
2024-03-31 $274,680 84,000
2023-12-31 $237,728 67,729
2023-12-31 $77,571 22,100
2023-12-31 $232,362 66,200
2023-09-30 $775,548 116,100
2023-09-30 $56,780 8,500
2023-09-30 $1,935,857 289,799
2023-06-30 $1,186,346 141,400
2023-06-30 $1,301,691 155,148
2023-06-30 $252,539 30,100
2023-03-31 $1,895,637 190,900
2023-03-31 $791,421 79,700
2023-03-31 $1,869,252 188,243
2022-12-31 $4,942,664 710,153
2022-12-31 $780,912 112,200
2022-12-31 $393,936 56,600
2022-09-30 $62,478 11,700
2022-09-30 $8,886,443 1,664,128
2022-09-30 $381,810 71,500
2022-06-30 $9,249,529 2,318,178
2022-06-30 $96,159 24,100
2022-03-31 $11,021,536 2,479,536
2022-03-31 $253,809 57,100
2021-12-31 $439,200 109,800
2021-12-31 $279,600 69,900

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