Aldeyra Therapeutics, Inc.
ALDX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001341235
No open-market purchases or sales by Aldeyra Therapeutics, Inc. insiders were filed in the last 90 days; 107 institutions reported holding it in 13F filings for Q2 2026, worth $77.7M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Aldeyra Therapeutics, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 136
- +9 vs. Q3 2025
- Shares held
- 39.0M
- −59.0K (−0.2%) vs. Q3 2025
- Total value
- $201.8M
- −$1.87M (−0.9%) vs. Q3 2025
- New holders
- 20
- 38 more added
- Sold out
- 11
- 54 more reduced
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALDX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 107 | $77.7M |
| Q1 2026 | 128 | $63.3M |
| Q4 2025 | 136 | $201.8M |
| Q3 2025 | 131 | $204.2M |
| Q2 2025 | 122 | $130.8M |
| Q1 2025 | 126 | $215.5M |
| Q4 2024 | 119 | $185.6M |
| Q3 2024 | 112 | $196.4M |
| Q2 2024 | 103 | $116.9M |
| Q1 2024 | 101 | $115.8M |
| Q4 2023 | 105 | $123.3M |
| Q3 2023 | 120 | $252.3M |
| Q2 2023 | 119 | $327.5M |
| Q1 2023 | 109 | $353.4M |
| Q4 2022 | 96 | $237.9M |
| Q3 2022 | 89 | $197.4M |
| Q2 2022 | 95 | $147.5M |
| Q1 2022 | 111 | $171.8M |
| Q4 2021 | 115 | $146.7M |
| Q3 2021 | 117 | $348.9M |
| Q2 2021 | 136 | $512.8M |
| Q1 2021 | 108 | $376.7M |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nuveen, LLC | 108,220 | $560.6K | 0.00% | −36,465−25.2% | Reduced |
| Russell Investments Group, Ltd. | 114,126 | $591.2K | 0.00% | +3,024+2.7% | Added |
| Bank of New York Mellon Corp | 115,766 | $599.7K | 0.00% | −6,086−5.0% | Reduced |
| Two Sigma Advisers, LP | 121,900 | $631.4K | 0.00% | −62,200−33.8% | Reduced |
| Ieq Capital, LLC | 144,199 | $747.0K | 0.00% | −14,954−9.4% | Reduced |
| Charles Schwab Investment Management Inc | 152,787 | $791.4K | 0.00% | +2,309+1.5% | Added |
| Invesco Ltd. | 163,087 | $844.8K | 0.00% | +29,382+22.0% | Added |
| Wellington Management Group LLP | 178,851 | $926.4K | 0.00% | −10,970−5.8% | Reduced |
| 1492 Capital Management LLC | 223,317 | $1.16M | 0.44% | +223,317 | New |
| Palo Alto Investors LP | 225,465 | $1.17M | 0.16% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 263,407 | $1.36M | 0.00% | +252,797+2,382.6% | Added |
| Woodstock Corp | 266,756 | $1.38M | 0.12% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 287,364 | $1.49M | 0.00% | +14,310+5.2% | Added |
| Jane Street Group, LLC | 303,852 | $1.57M | 0.00% | +52,334+20.8% | Added |
| Goldman Sachs Group Inc | 305,706 | $1.58M | 0.00% | +122,763+67.1% | Added |
| Deutsche Bank AG | 317,335 | $1.64M | 0.00% | +2,607+0.8% | Added |
| Renaissance Technologies LLC | 350,000 | $1.81M | 0.00% | +152,700+77.4% | Added |
| Wells Fargo & Company | 366,169 | $1.90M | 0.00% | +4,700+1.3% | Added |
| Northern Trust Corp | 379,405 | $1.97M | 0.00% | −28,555−7.0% | Reduced |
| Bank of America Corp | 410,028 | $2.12M | 0.00% | +19,950+5.1% | Added |
| Dimensional Fund Advisors LP | 612,258 | $3.17M | 0.00% | −36,113−5.6% | Reduced |
| Morgan Stanley | 657,032 | $3.40M | 0.00% | −426,287−39.4% | Reduced |
| Jacobs Levy Equity Management, Inc | 968,751 | $5.02M | 0.02% | +21,200+2.2% | Added |
| Acadian Asset Management LLC | 979,521 | $5.07M | 0.01% | +143,710+17.2% | Added |
| State Street Corp | 1,098,600 | $5.69M | 0.00% | −4,074−0.4% | Reduced |
| Geode Capital Management, LLC | 1,170,537 | $6.06M | 0.00% | −5,883−0.5% | Reduced |
| AQR Capital Management LLC | 1,226,922 | $6.36M | 0.00% | −278,438−18.5% | Reduced |
| Kennedy Capital Management, Inc. | 1,255,838 | $6.51M | 0.14% | +143,625+12.9% | Added |
| Ardsley Advisory Partners LP | 1,450,000 | $7.51M | 0.96% | −450,000−23.7% | Reduced |
| 683 Capital Management, LLC | 1,530,000 | $7.93M | 0.66% | +710,000+86.6% | Added |
| D. E. Shaw & Co., Inc. | 1,601,324 | $8.29M | 0.01% | +221,481+16.1% | Added |
| Kingdon Capital Management, L.L.C. | 1,850,000 | $9.58M | 1.47% | +518,209+38.9% | Added |
| Vanguard Group Inc | 3,698,682 | $19.2M | 0.00% | +106,813+3.0% | Added |
| BlackRock, Inc. | 3,850,103 | $19.9M | 0.00% | +45,183+1.2% | Added |
| Perceptive Advisors LLC | 4,185,632 | $21.7M | 0.40% | −1,036,679−19.9% | Reduced |
| Knoll Capital Management, LLC | 5,475,516 | $28.4M | 13.01% | 00.0% | Unchanged |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −160,213−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −152,254−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −138,091−100.0% | Sold out |
| Brighton Jones LLC | 0 | $0 | 0.00% | −19,945−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −19,275−100.0% | Sold out |
| Inscription Capital, LLC | 0 | $0 | 0.00% | −12,633−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −10,904−100.0% | Sold out |
| Krilogy Financial LLC | 0 | $0 | 0.00% | −10,407−100.0% | Sold out |
| New Millennium Group LLC | 0 | $0 | 0.00% | −2,460−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −554−100.0% | Sold out |
| Sunbelt Securities, Inc. | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Point72 Europe (London) LLP | – | – | – | – | Not filed |
| Pineridge Advisors LLC | – | – | – | – | Not filed |
| Point72 (DIFC) Ltd | – | – | – | – | Not filed |