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, Q2 2021
Institutional positions in Aldeyra Therapeutics, Inc. as of Jun 30, 2021. 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
- +28 vs. Q1 2021
- Shares held
- 45.3M
- +13.6M (+42.8%) vs. Q1 2021
- Total value
- $512.8M
- +$136.1M (+36.1%) vs. Q1 2021
- New holders
- 49
- 44 more added
- Sold out
- 21
- 28 more reduced
Compare with Q1 2021: 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, Q2 2021
Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Walleye Capital LLC | 179,810 | $2.04M | 0.08% | +179,810 | New |
| Silverarc Capital Management, LLC | 192,345 | $2.18M | 1.15% | −129,534−40.2% | Reduced |
| Affinity Asset Advisors, LLC | 200,000 | $2.27M | 1.08% | −100,000−33.3% | Reduced |
| Segantii Capital Management Ltd | 200,000 | $2.27M | 0.07% | +200,000 | New |
| Citigroup Inc | 211,796 | $2.40M | 0.00% | −19,695−8.5% | Reduced |
| Bank of New York Mellon Corp | 222,001 | $2.52M | 0.00% | +174,647+368.8% | Added |
| Deutsche Bank AG | 260,324 | $2.95M | 0.00% | −39,309−13.1% | Reduced |
| Dimensional Fund Advisors LP | 271,384 | $3.08M | 0.00% | −3,451−1.3% | Reduced |
| LMR Partners LLP | 272,855 | $3.09M | 0.05% | +250,175+1,103.1% | Added |
| EAM Investors, LLC | 328,539 | $3.72M | 0.57% | +225,348+218.4% | Added |
| Nuveen Asset Management, LLC | 348,125 | $3.94M | 0.00% | +348,125 | New |
| Johnson & Johnson Innovation - JJDC, Inc. | 394,834 | $4.47M | 0.46% | 00.0% | Unchanged |
| Millennium Management LLC | 410,548 | $4.65M | 0.01% | −133,275−24.5% | Reduced |
| Artal Group S.A. | 431,894 | $4.89M | 0.11% | +431,894 | New |
| Northern Trust Corp | 503,064 | $5.70M | 0.00% | +412,862+457.7% | Added |
| Verition Fund Management LLC | 527,831 | $5.98M | 0.09% | +111,114+26.7% | Added |
| Knoll Capital Management, LLC | 569,405 | $6.45M | 3.37% | 00.0% | Unchanged |
| Prosight Management, LP | 595,239 | $6.74M | 4.27% | +121,793+25.7% | Added |
| Ghost Tree Capital, LLC | 600,000 | $6.80M | 2.13% | −50,000−7.7% | Reduced |
| Assenagon Asset Management S.A. | 638,313 | $7.23M | 0.03% | +584,539+1,087.0% | Added |
| Tri Locum Partners LP | 818,025 | $9.27M | 3.88% | +818,025 | New |
| Altium Capital Management LP | 864,020 | $9.79M | 2.27% | +315,795+57.6% | Added |
| Geode Capital Management, LLC | 898,517 | $10.2M | 0.00% | +500,080+125.5% | Added |
| Goldman Sachs Group Inc | 1,007,619 | $11.4M | 0.00% | +931,972+1,232.0% | Added |
| Two Sigma Advisers, LP | 1,015,500 | $11.5M | 0.03% | +180,100+21.6% | Added |
| Eagle Asset Management Inc | 1,085,518 | $12.3M | 0.05% | +1,085,518 | New |
| Two Sigma Investments, LP | 1,130,734 | $12.8M | 0.03% | +248,772+28.2% | Added |
| FMR LLC | 1,202,096 | $13.6M | 0.00% | +442,302+58.2% | Added |
| Avidity Partners Management LP | 1,450,000 | $16.4M | 0.44% | −1,102,000−43.2% | Reduced |
| Woodline Partners LP | 1,708,923 | $19.4M | 0.36% | +978,529+134.0% | Added |
| Vanguard Group Inc | 2,696,450 | $30.6M | 0.00% | +643,955+31.4% | Added |
| State Street Corp | 3,133,139 | $35.5M | 0.00% | +710,115+29.3% | Added |
| BlackRock Inc. | 3,275,784 | $37.1M | 0.00% | +2,222,456+211.0% | Added |
| First Light Asset Management, LLC | 3,471,459 | $39.3M | 2.36% | +847,458+32.3% | Added |
| Perceptive Advisors LLC | 9,903,879 | $112.2M | 1.46% | +1,200,000+13.8% | Added |
| Edge Wealth Management LLC | 10 | – | – | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −156,414−100.0% | Sold out |
| Rovida Advisors Inc. | 0 | $0 | 0.00% | −130,000−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −65,539−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −64,500−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −60,553−100.0% | Sold out |
| Ensign Peak Advisors, Inc | 0 | $0 | 0.00% | −41,318−100.0% | Sold out |
| CSS LLC | 0 | $0 | 0.00% | −32,640−100.0% | Sold out |
| Old Well Partners, LLC | 0 | $0 | 0.00% | −23,487−100.0% | Sold out |
| IHT Wealth Management, LLC | 0 | $0 | 0.00% | −23,043−100.0% | Sold out |
| Belvedere Trading LLC | 0 | $0 | 0.00% | −20,441−100.0% | Sold out |
| Quantitative Systematic Strategies LLC | 0 | $0 | 0.00% | −18,902−100.0% | Sold out |
| Windsor Creek Advisors, LLC | 0 | $0 | 0.00% | −16,500−100.0% | Sold out |
| Credit Suisse AG | 0 | $0 | 0.00% | −13,040−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −11,964−100.0% | Sold out |
| Cetera Advisor Networks LLC | 0 | $0 | 0.00% | −11,188−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −10,375−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −3,810−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −1,200−100.0% | Sold out |
| Jacobi Capital Management LLC | 0 | $0 | 0.00% | −820−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −86−100.0% | Sold out |
| Sowell Financial Services LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |