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D. E. Shaw & Co., Inc.

Position in ALDX — Aldeyra Therapeutics, Inc.

CIK 1009207 New York, NY

Position in ALDX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$4,132,919
+$1,760,176 QoQ
Shares Held
1,940,338
+38.2% QoQ
Ownership
3.22%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#5
of 108 holders
Holding Since
Mar 2021
22 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ALDX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

D. E. Shaw & Co., Inc. holds $5,017,559,982 across 217 Biotechnology names. ALDX ranks #104 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ALDX

Export CSV
22 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,132,919 1,940,338
2026-03-31 $2,372,743 1,403,990
2025-12-31 $8,294,858 1,601,324
2025-09-30 $7,202,780 1,379,843
2025-06-30 $1,867,783 487,672
2025-03-31 $871,941 151,642
2024-12-31 $941,028 188,583
2024-09-30 $1,804,469 334,781
2024-06-30 $1,065,614 321,938
2024-03-31 $1,790,782 547,640
2023-12-31 $912,796 260,056
2023-09-30 $307,059 45,967
2023-06-30 $637,472 75,980
2023-03-31 $1,240,475 124,922
2022-12-31 $2,421,168 347,869
2022-09-30 $2,392,907 448,110
2022-06-30 $1,090,630 273,341
2022-03-31 $1,063,057 239,158
2021-12-31 $144,912 36,228
2021-09-30 $125,387 14,281
2021-06-30 $172,476 15,223
2021-03-31 $215,645 18,152