Aldeyra Therapeutics, Inc.
Total Trades
16
Buys
14
Sells
2
Largest Trade
$1M+
Insiders
4
Institutional Funds
97
Inst. Value
$1M+
Activist Filings
14
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| PERCEPTIVE ADVISORS LLC | 10% Owner | SELL | $1M+ | 3.4M | $1.42 | Apr 7, 2025 |
| Miller-Rich Nancy | Director | BUY | $1K–$15K | 922 | $11.33 | Oct 22, 2024 |
| PERCEPTIVE ADVISORS LLC | 10% Owner | BUY | $500K+ | 178K | $4.68 | Apr 8, 2024 |
| PERCEPTIVE ADVISORS LLC | 10% Owner | BUY | $1M+ | 504K | $3.84 | Apr 3, 2024 |
| PERCEPTIVE ADVISORS LLC | 10% Owner | SELL | $1M+ | 2.8M | $1.62 | Oct 18, 2023 |
| PERCEPTIVE ADVISORS LLC | 10% Owner | BUY | $500K+ | 115K | $7.55 | Aug 11, 2022 |
| PERCEPTIVE ADVISORS LLC | 10% Owner | BUY | $500K+ | 97K | $7.24 | Aug 10, 2022 |
| PERCEPTIVE ADVISORS LLC | 10% Owner | BUY | $500K+ | 141K | $6.95 | Aug 9, 2022 |
| PERCEPTIVE ADVISORS LLC | 10% Owner | BUY | $500K+ | 95K | $6.17 | Aug 8, 2022 |
| PERCEPTIVE ADVISORS LLC | 10% Owner | BUY | $500K+ | 100K | $5.84 | Aug 5, 2022 |
| PERCEPTIVE ADVISORS LLC | 10% Owner | BUY | $1M+ | 412K | $5.59 | Aug 4, 2022 |
| PERCEPTIVE ADVISORS LLC | 10% Owner | BUY | $500K+ | 144K | $5.05 | Aug 3, 2022 |
| PERCEPTIVE ADVISORS LLC | 10% Owner | BUY | $1M+ | 222K | $5.03 | Aug 2, 2022 |
| PERCEPTIVE ADVISORS LLC | 10% Owner | BUY | $500K+ | 119K | $5.00 | Aug 1, 2022 |
| JOYCE MARTIN JOSEPH | Director | BUY | $15K–$50K | 4K | $3.48 | Jun 27, 2022 |
| Brady Todd C | President and CEO | BUY | $50K–$100K | 18K | $3.36 | Jun 27, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 97 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| PERCEPTIVE ADVISORS LLC | 4.2M | $1M+ | SH |
| VANGUARD GROUP INC | 3.3M | $1M+ | SH |
| KENNEDY CAPITAL MANAGEMENT LLC | 1.3M | $1M+ | SH |
| STATE STREET CORP | 1.1M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.0M | $1M+ | SH |
| ACADIAN ASSET MANAGEMENT LLC | 980K | $1M+ | SH |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 969K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 576K | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 350K | $1M+ | SH |
| WELLS FARGO & COMPANY/MN | 300K | $1M+ | SH |
| WOODSTOCK CORP | 267K | $1M+ | SH |
| BNP PARIBAS FINANCIAL MARKETS | 263K | $1M+ | SH |
| Palo Alto Investors LP | 225K | $1M+ | SH |
| 1492 Capital Management LLC | 223K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 153K | $500K+ | SH |
| JANE STREET GROUP, LLC | 149K | $500K+ | SH |
| IEQ CAPITAL, LLC | 144K | $500K+ | SH |
| GOLDMAN SACHS GROUP INC | 106K | $500K+ | SH |
| GSA CAPITAL PARTNERS LLP | 97K | $500K+ | SH |
| Point72 Asset Management, L.P. | 94K | $100K–$500K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Nov 14, 2025
8.7%
5.2M shares
SC 13G/A · Aug 14, 2025
6.8%
4.1M shares
SC 13G/A · Apr 7, 2025
8.2%
4.9M shares
SC 13G/A · Nov 14, 2024
15.6%
9.3M shares
SC 13G/A · Feb 14, 2024
14.6%
8.6M shares
The Vanguard Group - 23-1945930
SC 13G · Feb 13, 2024
6.7%
3.9M shares
SC 13G · Jan 29, 2024
5.8%
3.4M shares
SC 13G/A · Oct 18, 2023
14.7%
8.6M shares
SC 13G · Oct 4, 2023
6.1%
3.6M shares
SC 13G/A · Feb 14, 2023
19.4%
11.4M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Feb 3, 2023
0.3%
0 shares
SC 13G · Jul 8, 2022
1.7%
975K shares
SC 13G/A · Feb 14, 2022
17.0%
9.9M shares
SC 13G/A · Jan 4, 2022
0.0%
0 shares