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, Q3 2025
Institutional positions in Aldeyra Therapeutics, Inc. as of Sep 30, 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
- 131
- +9 vs. Q2 2025
- Shares held
- 39.1M
- +5.00M (+14.7%) vs. Q2 2025
- Total value
- $204.2M
- +$73.4M (+56.2%) vs. Q2 2025
- New holders
- 24
- 57 more added
- Sold out
- 15
- 25 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ieq Capital, LLC | 159,153 | $830.8K | 0.00% | +12,299+8.4% | Added |
| Marshall Wace, LLP | 160,213 | $836.3K | 0.00% | +160,213 | New |
| Goldman Sachs Group Inc | 182,943 | $955.0K | 0.00% | +43,329+31.0% | Added |
| Two Sigma Advisers, LP | 184,100 | $961.0K | 0.00% | +153,300+497.7% | Added |
| Wellington Management Group LLP | 189,821 | $990.9K | 0.00% | +189,821 | New |
| Renaissance Technologies LLC | 197,300 | $1.03M | 0.00% | +84,500+74.9% | Added |
| UBS Group AG | 200,739 | $1.05M | 0.00% | +93,486+87.2% | Added |
| Palo Alto Investors LP | 225,465 | $1.18M | 0.22% | 00.0% | Unchanged |
| Jane Street Group, LLC | 251,518 | $1.31M | 0.00% | +154,835+160.1% | Added |
| Woodstock Corp | 266,756 | $1.39M | 0.12% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 273,054 | $1.43M | 0.00% | +217,315+389.9% | Added |
| Deutsche Bank AG | 314,728 | $1.64M | 0.00% | +7,953+2.6% | Added |
| Wells Fargo & Company | 361,469 | $1.89M | 0.00% | −2,700−0.7% | Reduced |
| Bank of America Corp | 390,078 | $2.04M | 0.00% | +333,587+590.5% | Added |
| Northern Trust Corp | 407,960 | $2.13M | 0.00% | +4,009+1.0% | Added |
| Dimensional Fund Advisors LP | 648,371 | $3.38M | 0.00% | −70,342−9.8% | Reduced |
| 683 Capital Management, LLC | 820,000 | $4.28M | 0.39% | −260,000−24.1% | Reduced |
| Acadian Asset Management LLC | 835,811 | $4.36M | 0.01% | +643,409+334.4% | Added |
| Jacobs Levy Equity Management, Inc | 947,551 | $4.95M | 0.02% | +313,395+49.4% | Added |
| Morgan Stanley | 1,083,319 | $5.65M | 0.00% | +308,283+39.8% | Added |
| State Street Corp | 1,102,674 | $5.76M | 0.00% | +46,089+4.4% | Added |
| Kennedy Capital Management, Inc. | 1,112,213 | $5.81M | 0.13% | +425,245+61.9% | Added |
| Geode Capital Management, LLC | 1,176,420 | $6.14M | 0.00% | +29,823+2.6% | Added |
| Kingdon Capital Management, L.L.C. | 1,331,791 | $6.95M | 1.09% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 1,379,843 | $7.20M | 0.01% | +892,171+182.9% | Added |
| AQR Capital Management LLC | 1,505,360 | $7.86M | 0.01% | +31,548+2.1% | Added |
| Ardsley Advisory Partners LP | 1,900,000 | $9.92M | 1.52% | −150,000−7.3% | Reduced |
| Vanguard Group Inc | 3,591,869 | $18.7M | 0.00% | +90,276+2.6% | Added |
| BlackRock, Inc. | 3,804,920 | $19.9M | 0.00% | −47,181−1.2% | Reduced |
| Perceptive Advisors LLC | 5,222,311 | $27.3M | 0.79% | +1,170,680+28.9% | Added |
| Knoll Capital Management, LLC | 5,475,516 | $28.6M | 15.32% | 00.0% | Unchanged |
| ADAR1 Capital Management, LLC | 0 | $0 | 0.00% | −249,920−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −155,609−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −72,059−100.0% | Sold out |
| Kennondale Capital Management LLC | 0 | $0 | 0.00% | −56,729−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −16,320−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −14,940−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −12,664−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −11,127−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −11,002−100.0% | Sold out |
| Inspirion Wealth Advisors, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −2,998−100.0% | Sold out |
| Kozak & Associates, Inc. | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Stephens Consulting, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −430−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −51−100.0% | Sold out |