ALDX NASDAQ
Aldeyra Therapeutics, Inc.
1W: -4.2%
1M: -6.5%
3M: -67.9%
YTD: -66.0%
1Y: -32.6%
3Y: -84.1%
5Y: -86.9%
$1.55
-0.04 (-2.52%)
After Hours: $1.62 (+0.07, +4.52%)
Weekly Expected Move ±7.0%
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🏦 Institutional Activity
Latest: Q1 2026155
Institutions Holding
+1 vs prior
46.1%
Ownership
-163.87%
18
New
45
Increased
75
Reduced
44
Closed
👔 Insider Trades
7 records| Date | Name | Title | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-03-19 | DOUGLAS RICHARD | director | P-Purchase | 70,000 | $1.40 | $98K | Filing |
| 2026-03-18 | Alfieri Michael | officer: principal financial officer | P-Purchase | 5,000 | $1.42 | $7K | Filing |
| 2025-08-13 | Alfieri Michael | officer: principal financial officer | P-Purchase | 2,500 | $5.30 | $13K | Filing |
| 2025-08-11 | Machatha Stephen | officer: chief development officer | S-Sale | 22,073 | $5.15 | $114K | Filing |
| 2025-04-03 | PERCEPTIVE ADVISORS LLC | 10% owner | S-Sale | 3,400,000 | $1.42 | $4.8M | Filing |
| 2025-04-03 | PERCEPTIVE LIFE SCIENCES MASTER FUND LTD | 10% owner | S-Sale | 3,400,000 | $1.42 | $4.8M | Filing |
| 2025-04-03 | EDELMAN JOSEPH | 10% owner | S-Sale | 3,400,000 | $1.42 | $4.8M | Filing |
🏛️ Congressional Trades
0 records| Date | Politician | Chamber | Type | Amount | Filing |
|---|---|---|---|---|---|
| No congressional trades found | |||||
🏦 Top Institutional Holders
20 holders| Holder | Shares | Value | Date Reported | Filing | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,763,887 | $6M | -86,216 | 2026-03-31 | Filing |
| AQR CAPITAL MANAGEMENT LLC | 2,829,875 | $5M | +1,602,953 | 2026-03-31 | Filing |
| VANGUARD CAPITAL MANAGEMENT LLC | 2,363,742 | $4M | +2,363,742 | 2026-03-31 | Filing |
| KINGDON CAPITAL MANAGEMENT, L.L.C. | 2,152,315 | $4M | +302,315 | 2026-03-31 | Filing |
| GEODE CAPITAL MANAGEMENT, LLC | 1,251,652 | $2M | +81,115 | 2026-03-31 | Filing |
| STATE STREET CORP | 1,124,710 | $2M | +26,110 | 2026-03-31 | Filing |
| JANE STREET GROUP, LLC | 968,891 | $2M | +665,039 | 2026-03-31 | Filing |
| ARDSLEY ADVISORY PARTNERS LP | 950,000 | $2M | -500,000 | 2026-03-31 | Filing |
| RENAISSANCE TECHNOLOGIES LLC | 863,187 | $1M | +513,187 | 2026-03-31 | Filing |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 807,778 | $1M | +807,778 | 2026-03-31 | Filing |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 796,816 | $1M | -171,935 | 2026-03-31 | Filing |
| Propel Bio Management, LLC | 730,606 | $1M | +730,606 | 2026-03-31 | Filing |
| DIMENSIONAL FUND ADVISORS LP | 624,170 | $1M | +11,912 | 2026-03-31 | Filing |
| GOLDMAN SACHS GROUP INC | 543,146 | $918K | +237,440 | 2026-03-31 | Filing |
| UBS Group AG | 537,569 | $908K | +441,892 | 2026-03-31 | Filing |
| NORTHERN TRUST CORP | 374,812 | $633K | -4,593 | 2026-03-31 | Filing |
| VANGUARD FIDUCIARY TRUST CO | 338,621 | $572K | +338,621 | 2026-03-31 | Filing |
| HRT FINANCIAL LP | 286,444 | $484K | +286,444 | 2026-03-31 | Filing |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 278,442 | $471K | +215,535 | 2026-03-31 | Filing |
| WOODSTOCK CORP | 266,756 | $451K | — | 2026-03-31 | Filing |