SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in ALDX — Aldeyra Therapeutics, Inc.
CIK 1446194
BALA CYNWYD, PA
Position in ALDX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$124,387
-$346,179 QoQ
Shares Held
58,398
-79.0% QoQ
Ownership
0.097%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#51
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, 2026CallValue
$250,488
CallShares
117,600
PutValue
$140,793
PutShares
66,100
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, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $1,649,997,309 across 349 Biotechnology names. ALDX ranks #263 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABVX |
Abivax S.A.
|
1,053,896 | $140,442,180 | |
| 2 | CYTK |
Cytokinetics Inc
|
1,549,458 | $131,998,327 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
|
180,219 | $112,373,755 | |
| 4 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
294,460 | $88,641,293 | |
| 5 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
148,610 | $79,796,139 | |
| 6 | INSM |
INSMED Inc
|
729,354 | $77,763,723 | |
| 7 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
144,174 | $71,615,550 | |
| 8 | AGIO |
Agios Pharmaceuticals, Inc.
|
1,375,558 | $51,046,957 |
All Filings in ALDX
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $140,793 | 66,100 | Put | Other | 2026-08-14 | |
| 2026-06-30 | $124,387 | 58,398 | Shares | Other | 2026-08-14 | |
| 2026-06-30 | $250,488 | 117,600 | Call | Other | 2026-08-14 | |
| 2026-03-31 | $395,460 | 234,000 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $470,566 | 278,442 | Shares | Other | 2026-05-15 | |
| 2026-03-31 | $185,731 | 109,900 | Call | Other | 2026-05-15 | |
| 2025-12-31 | $1,391,866 | 268,700 | Call | Other | 2026-02-17 | |
| 2025-12-31 | $218,078 | 42,100 | Put | Other | 2026-02-17 | |
| 2025-12-31 | $325,858 | 62,907 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $826,759 | 158,383 | Shares | Other | 2025-11-14 | |
| 2025-09-30 | $422,820 | 81,000 | Call | Other | 2025-11-14 | |
| 2025-06-30 | $887,663 | 231,766 | Shares | Other | 2025-08-14 | |
| 2025-06-30 | $310,613 | 81,100 | Call | Other | 2025-08-14 | |
| 2025-06-30 | $63,578 | 16,600 | Put | Other | 2025-08-14 | |
| 2025-03-31 | $375,521 | 65,308 | Shares | Other | 2025-05-14 | |
| 2025-03-31 | $218,500 | 38,000 | Put | Other | 2025-05-14 | |
| 2025-03-31 | $641,700 | 111,600 | Call | Other | 2025-05-14 | |
| 2024-12-31 | $198,103 | 39,700 | Put | Other | 2025-02-14 | |
| 2024-12-31 | $457,812 | 91,746 | Shares | Other | 2025-02-14 | |
| 2024-12-31 | $269,959 | 54,100 | Call | Other | 2025-02-14 | |
| 2024-09-30 | $418,803 | 77,700 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $147,858 | 27,432 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $204,281 | 37,900 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $54,284 | 16,400 | Put | Defined | 2024-08-15 | |
| 2024-06-30 | $215,481 | 65,100 | Call | Defined | 2024-08-15 | |
| 2024-06-30 | $55,485 | 16,763 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $130,528 | 39,917 | Shares | Defined | 2024-05-07 | |
| 2024-03-31 | $64,746 | 19,800 | Call | Defined | 2024-05-07 | |
| 2024-03-31 | $43,491 | 13,300 | Put | Defined | 2024-05-07 | |
| 2023-12-31 | $154,089 | 43,900 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $709,707 | 202,196 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $148,824 | 42,400 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $2,280,618 | 341,410 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $649,296 | 97,200 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $124,248 | 18,600 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $2,027,586 | 241,667 | Shares | Defined | 2023-08-11 | |
| 2023-06-30 | $178,707 | 21,300 | Call | Defined | 2023-08-11 | |
| 2023-06-30 | $1,270,246 | 151,400 | Put | Defined | 2023-08-11 | |
| 2023-03-31 | $1,614,618 | 162,600 | Call | Defined | 2023-05-16 | |
| 2023-03-31 | $10,904,807 | 1,098,168 | Shares | Defined | 2023-05-16 | |
| 2023-03-31 | $592,821 | 59,700 | Put | Defined | 2023-05-16 | |
| 2022-12-31 | $354,960 | 51,000 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $1,713,197 | 246,149 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $569,328 | 81,800 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $708,585 | 132,694 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $281,418 | 52,700 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $490,212 | 91,800 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $183,939 | 46,100 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $299,649 | 75,100 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $288,245 | 72,242 | Shares | Defined | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||