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 2021
Institutional positions in Aldeyra Therapeutics, Inc. as of Sep 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
- 117
- −18 vs. Q2 2021
- Shares held
- 39.7M
- −5.15M (−11.5%) vs. Q2 2021
- Total value
- $348.9M
- −$159.4M (−31.4%) vs. Q2 2021
- New holders
- 16
- 30 more added
- Sold out
- 34
- 45 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Knoll Capital Management, LLC | 569,405 | $5.00M | 2.49% | 00.0% | Unchanged |
| Verition Fund Management LLC | 648,207 | $5.69M | 0.09% | +120,376+22.8% | Added |
| Ghost Tree Capital, LLC | 700,000 | $6.15M | 2.03% | +100,000+16.7% | Added |
| Prosight Management, LP | 735,000 | $6.45M | 3.77% | +139,761+23.5% | Added |
| Two Sigma Advisers, LP | 788,400 | $6.92M | 0.02% | −227,100−22.4% | Reduced |
| Two Sigma Investments, LP | 796,225 | $6.99M | 0.02% | −334,509−29.6% | Reduced |
| Altium Capital Management LP | 864,020 | $7.59M | 2.02% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 901,917 | $7.92M | 0.00% | +3,400+0.4% | Added |
| FMR LLC | 1,202,010 | $10.6M | 0.00% | −860.0% | Reduced |
| Eagle Asset Management Inc | 1,346,468 | $11.8M | 0.05% | +260,950+24.0% | Added |
| Woodline Partners LP | 2,102,967 | $18.5M | 0.31% | +394,044+23.1% | Added |
| Vanguard Group Inc | 2,727,396 | $23.9M | 0.00% | +30,946+1.1% | Added |
| First Light Asset Management, LLC | 2,985,712 | $26.2M | 1.73% | −485,747−14.0% | Reduced |
| BlackRock Inc. | 3,263,942 | $28.7M | 0.00% | −11,842−0.4% | Reduced |
| State Street Corp | 3,427,379 | $30.1M | 0.00% | +294,240+9.4% | Added |
| Perceptive Advisors LLC | 9,903,879 | $87.0M | 1.27% | 00.0% | Unchanged |
| Edge Wealth Management LLC | 10 | – | – | 00.0% | Unchanged |
| Avidity Partners Management LP | 0 | $0 | 0.00% | −1,450,000−100.0% | Sold out |
| Tri Locum Partners LP | 0 | $0 | 0.00% | −818,025−100.0% | Sold out |
| Artal Group S.A. | 0 | $0 | 0.00% | −431,894−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −328,539−100.0% | Sold out |
| Segantii Capital Management Ltd | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Silverarc Capital Management, LLC | 0 | $0 | 0.00% | −192,345−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −179,810−100.0% | Sold out |
| Sphera Funds Management Ltd. | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −146,584−100.0% | Sold out |
| First Trust Advisors LP | 0 | $0 | 0.00% | −146,320−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −140,198−100.0% | Sold out |
| Premier Asset Management LLC | 0 | $0 | 0.00% | −128,579−100.0% | Sold out |
| Maven Securities LTD | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −69,498−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −69,215−100.0% | Sold out |
| Jefferies Group LLC | 0 | $0 | 0.00% | −60,000−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −43,069−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −32,257−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −22,629−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −15,881−100.0% | Sold out |
| Cetera Advisors LLC | 0 | $0 | 0.00% | −14,100−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −14,036−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −12,824−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −12,591−100.0% | Sold out |
| Caxton Corp | 0 | $0 | 0.00% | −11,784−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −11,695−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −1,115−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −460−100.0% | Sold out |
| Hartford Financial Management Inc. | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Sterling Investment Advisors, Ltd. | 0 | $0 | 0.00% | −345−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −298−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −257−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −39−100.0% | Sold out |
| Johnson & Johnson Innovation - JJDC, Inc. | – | – | – | – | Not filed |