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Aldeyra Therapeu (ALDX)
NASDAQ
$2.06+$0.04 (+2.18%)
Price as of Jun 23, 2026 7:56 PM EDT- $123.7MMarket Cap
- -39.70%1-Year Change
- BiotechnologyIndustry
Aldeyra Therapeu (ALDX)
$2.06+$0.04 (+2.18%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
KNOLL CAPITAL MANAGEMENT, LLC | 9.08% | 5.5M | 0 (0.00%) | Mar 31, 2026 |
PERCEPTIVE ADVISORS LLC | 6.94% | 4.2M | -1.0M (-24.77%) | Dec 31, 2025 |
BLACKROCK FUNDING, INC. /DE | 6.28% | 3.8M | +55,782 (+1.47%) | Dec 31, 2024 |
BLACKROCK, INC. | 6.24% | 3.8M | -86,216 (-2.29%) | Mar 31, 2026 |
VANGUARD GROUP INC | 6.13% | 3.7M | +106,813 (+2.89%) | Dec 31, 2025 |
BLACKROCK INC. | 6.00% | 3.6M | +311,162 (+8.59%) | Jun 30, 2024 |
AQR CAPITAL MANAGEMENT LLC | 4.69% | 2.8M | +1.6M (+56.64%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 3.83% | 2.3M | +15,160 (+0.66%) | Mar 31, 2026 |
SPDR SERIES TRUST | 3.58% | 2.2M | 0 (0.00%) | Jan 31, 2026 |
iSHARES TRUST | 3.43% | 2.1M | -49,356 (-2.38%) | Mar 31, 2026 |
FIDELITY SELECT PORTFOLIOS | 1.30% | 784,037 | 0 (0.00%) | Feb 28, 2026 |
Federated Hermes MDT Series | 0.91% | 547,959 | 0 (0.00%) | Jan 31, 2026 |
FIDELITY CONCORD STREET TRUST | 0.74% | 444,748 | +29,649 (+6.67%) | Feb 28, 2026 |
VANGUARD EXPLORER FUND | 0.55% | 331,506 | 0 (0.00%) | Jan 31, 2026 |
Current Ownership Distribution
- Institutions683.1M (80.53%)
- Mutual Funds142.9M (16.84%)
- Insiders22.3M (2.63%)
- Other0 (0.00%)
Insider Transactions
- 2.63% (22.3M)Current InsiderOwnership (%, shares)
- 2Number of InsiderBuying (last 12 months)
- $178,550.00Amount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Bronstein Ben | Award | Jun 09, 2026 | $0.00 | 70,000 | $0.00 | 70,000 |
Clark William D | Award | Jun 09, 2026 | $0.00 | 70,000 | $0.00 | 70,000 |
DOUGLAS RICHARD | Award | Jun 09, 2026 | $0.00 | 70,000 | $0.00 | 70,000 |
Walker Neal | Award | Jun 09, 2026 | $0.00 | 70,000 | $0.00 | 70,000 |
Bronstein Ben | Award | Jun 09, 2026 | $0.00 | 5,309 | $0.00 | 5,309 |
Miller-Rich Nancy | Award | Jun 09, 2026 | $0.00 | 70,000 | $0.00 | 70,000 |
DOUGLAS RICHARD | Award | Jun 09, 2026 | $0.00 | 19,909 | $0.00 | 19,909 |
Walker Neal | Award | Jun 09, 2026 | $0.00 | 3,318 | $0.00 | 3,318 |
Bronstein Ben | Award | Jun 09, 2026 | $0.00 | 4,977 | $0.00 | 4,977 |
Clark William D | Award | Jun 09, 2026 | $0.00 | 2,323 | $0.00 | 2,323 |
DOUGLAS RICHARD | Award | Jun 09, 2026 | $0.00 | 2,323 | $0.00 | 2,323 |
Miller-Rich Nancy | Award | Jun 09, 2026 | $0.00 | 3,318 | $0.00 | 3,318 |
DOUGLAS RICHARD | Buy | Mar 19, 2026 | $98,000.00 | 70,000 | $1.40 | 195,000 |
Alfieri Michael Principal Financial Officer | Buy | Mar 18, 2026 | $7,100.00 | 5,000 | $1.42 | 7,500 |
Alfieri Michael Principal Financial Officer | Buy | Aug 13, 2025 | $13,250.00 | 2,500 | $5.30 | 2,500 |
Phillips Gary M. | Award | Jun 10, 2025 | $0.00 | 62,728 | $0.00 | 62,728 |
JOYCE MARTIN JOSEPH | Award | Jun 10, 2025 | $0.00 | 62,728 | $0.00 | 62,728 |
DOUGLAS RICHARD | Award | Jun 10, 2025 | $0.00 | 62,728 | $0.00 | 62,728 |
JOYCE MARTIN JOSEPH | Award | Jun 10, 2025 | $0.00 | 1,689 | $0.00 | 1,689 |
Phillips Gary M. | Award | Jun 10, 2025 | $0.00 | 4,825 | $0.00 | 4,825 |
JOYCE MARTIN JOSEPH | Award | Jun 10, 2025 | $0.00 | 7,238 | $0.00 | 7,238 |
DOUGLAS RICHARD | Award | Jun 10, 2025 | $0.00 | 14,476 | $0.00 | 14,476 |
Phillips Gary M. | Award | Jun 10, 2025 | $0.00 | 3,619 | $0.00 | 3,619 |
DOUGLAS RICHARD | Award | Jun 10, 2025 | $0.00 | 1,689 | $0.00 | 1,689 |
Clark William D | Award | Apr 17, 2025 | $0.00 | 76,760 | $0.00 | 76,760 |
PERCEPTIVE ADVISORS LLC | Sell | Apr 03, 2025 | $4.8M | 3.4M | $1.42 | 5.9M |
Machatha Stephen Chief Development Officer | Award | Mar 04, 2025 | $0.00 | 202,427 | $0.00 | 202,427 |
Brady Todd C President and CEO | Award | Mar 04, 2025 | $0.00 | 809,710 | $0.00 | 809,710 |