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 |
|---|---|---|---|---|---|
| Knoll Capital Management, LLC | 5,475,516 | $28.6M | 15.32% | 00.0% | Unchanged |
| Perceptive Advisors LLC | 5,222,311 | $27.3M | 0.79% | +1,170,680+28.9% | Added |
| BlackRock, Inc. | 3,804,920 | $19.9M | 0.00% | −47,181−1.2% | Reduced |
| Vanguard Group Inc | 3,591,869 | $18.7M | 0.00% | +90,276+2.6% | Added |
| Ardsley Advisory Partners LP | 1,900,000 | $9.92M | 1.52% | −150,000−7.3% | Reduced |
| AQR Capital Management LLC | 1,505,360 | $7.86M | 0.01% | +31,548+2.1% | Added |
| D. E. Shaw & Co., Inc. | 1,379,843 | $7.20M | 0.01% | +892,171+182.9% | Added |
| Kingdon Capital Management, L.L.C. | 1,331,791 | $6.95M | 1.09% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,176,420 | $6.14M | 0.00% | +29,823+2.6% | Added |
| Kennedy Capital Management, Inc. | 1,112,213 | $5.81M | 0.13% | +425,245+61.9% | Added |
| State Street Corp | 1,102,674 | $5.76M | 0.00% | +46,089+4.4% | Added |
| Morgan Stanley | 1,083,319 | $5.65M | 0.00% | +308,283+39.8% | Added |
| Jacobs Levy Equity Management, Inc | 947,551 | $4.95M | 0.02% | +313,395+49.4% | Added |
| Acadian Asset Management LLC | 835,811 | $4.36M | 0.01% | +643,409+334.4% | Added |
| 683 Capital Management, LLC | 820,000 | $4.28M | 0.39% | −260,000−24.1% | Reduced |
| Dimensional Fund Advisors LP | 648,371 | $3.38M | 0.00% | −70,342−9.8% | Reduced |
| Northern Trust Corp | 407,960 | $2.13M | 0.00% | +4,009+1.0% | Added |
| Bank of America Corp | 390,078 | $2.04M | 0.00% | +333,587+590.5% | Added |
| Wells Fargo & Company | 361,469 | $1.89M | 0.00% | −2,700−0.7% | Reduced |
| Deutsche Bank AG | 314,728 | $1.64M | 0.00% | +7,953+2.6% | Added |
| Two Sigma Investments, LP | 273,054 | $1.43M | 0.00% | +217,315+389.9% | Added |
| Woodstock Corp | 266,756 | $1.39M | 0.12% | 00.0% | Unchanged |
| Jane Street Group, LLC | 251,518 | $1.31M | 0.00% | +154,835+160.1% | Added |
| Palo Alto Investors LP | 225,465 | $1.18M | 0.22% | 00.0% | Unchanged |
| UBS Group AG | 200,739 | $1.05M | 0.00% | +93,486+87.2% | Added |
| Renaissance Technologies LLC | 197,300 | $1.03M | 0.00% | +84,500+74.9% | Added |
| Wellington Management Group LLP | 189,821 | $990.9K | 0.00% | +189,821 | New |
| Two Sigma Advisers, LP | 184,100 | $961.0K | 0.00% | +153,300+497.7% | Added |
| Goldman Sachs Group Inc | 182,943 | $955.0K | 0.00% | +43,329+31.0% | Added |
| Marshall Wace, LLP | 160,213 | $836.3K | 0.00% | +160,213 | New |
| Ieq Capital, LLC | 159,153 | $830.8K | 0.00% | +12,299+8.4% | Added |
| Susquehanna International Group, LLP | 158,383 | $826.8K | 0.00% | −73,383−31.7% | Reduced |
| Citadel Advisors LLC | 152,254 | $794.8K | 0.00% | +139,800+1,122.5% | Added |
| Charles Schwab Investment Management Inc | 150,478 | $785.5K | 0.00% | −7,060−4.5% | Reduced |
| Millennium Management LLC | 149,365 | $779.7K | 0.00% | +129,759+661.8% | Added |
| Nuveen, LLC | 144,685 | $755.3K | 0.00% | +37,980+35.6% | Added |
| Y-Intercept (Hong Kong) Ltd | 138,091 | $720.8K | 0.02% | +138,091 | New |
| Invesco Ltd. | 133,705 | $697.9K | 0.00% | +11,139+9.1% | Added |
| Gsa Capital Partners LLP | 122,664 | $640.0K | 0.05% | +49,368+67.4% | Added |
| Bank of New York Mellon Corp | 121,852 | $636.1K | 0.00% | +10,511+9.4% | Added |
| Group One Trading, L.P. | 113,584 | $592.9K | 0.02% | −19,403−14.6% | Reduced |
| Russell Investments Group, Ltd. | 111,102 | $580.0K | 0.00% | +84,758+321.7% | Added |
| Cubist Systematic Strategies, LLC | 101,375 | $529.2K | 0.01% | +71,408+238.3% | Added |
| STRS Ohio | 85,700 | $447.4K | 0.00% | +3,400+4.1% | Added |
| Rhumbline Advisers | 78,646 | $410.5K | 0.00% | +1,152+1.5% | Added |
| Barclays PLC | 76,644 | $400.1K | 0.00% | −19,004−19.9% | Reduced |
| Alliancebernstein L.P. | 75,550 | $394.4K | 0.00% | 00.0% | Unchanged |
| PFG Investments, LLC | 66,000 | $344.5K | 0.02% | −191,300−74.3% | Reduced |
| Price T Rowe Associates Inc | 64,262 | $336.0K | 0.00% | +15,579+32.0% | Added |
| State of Wisconsin Investment Board | 60,894 | $317.9K | 0.00% | +60,894 | New |
| Cerity Partners LLC | 60,356 | $315.1K | 0.00% | +23,779+65.0% | Added |
| CWM, LLC | 58,379 | $305.0K | 0.00% | +16,621+39.8% | Added |
| Royal Bank of Canada | 54,326 | $284.0K | 0.00% | −65,816−54.8% | Reduced |
| Captrust Financial Advisors | 52,994 | $276.6K | 0.00% | +1,502+2.9% | Added |
| SRS Capital Advisors, Inc. | 51,359 | $268.1K | 0.00% | +51,359 | New |
| Quantinno Capital Management LP | 51,324 | $267.9K | 0.00% | +51,324 | New |
| Graham Capital Management, L.P. | 45,922 | $239.7K | 0.01% | +45,922 | New |
| SEI Investments Co | 39,359 | $205.5K | 0.00% | +39,359 | New |
| International Assets Investment Management, LLC | 48,640 | $191.2K | 0.02% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 35,409 | $184.8K | 0.00% | +9,146+34.8% | Added |
| Wealth Enhancement Advisory Services, LLC | 32,842 | $184.2K | 0.00% | +5,556+20.4% | Added |
| Essential Partners LLC | 35,214 | $183.8K | 0.06% | +1,037+3.0% | Added |
| LPL Financial LLC | 34,916 | $182.3K | 0.00% | −14,525−29.4% | Reduced |
| Creative Planning | 34,848 | $181.9K | 0.00% | +22,801+189.3% | Added |
| First Manhattan Co | 34,745 | $181.4K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 34,466 | $179.9K | 0.01% | +34,466 | New |
| American Century Companies Inc | 32,283 | $168.5K | 0.00% | +32,283 | New |
| Joseph P. Lucia & Associates, LLC | 31,591 | $164.9K | 0.06% | −32−0.1% | Reduced |
| Mariner, LLC | 29,846 | $155.8K | 0.00% | +7,433+33.2% | Added |
| Simplex Trading, LLC | 29,176 | $152.0K | 0.00% | +7,993+37.7% | Added |
| JPMorgan Chase & Co | 27,122 | $141.6K | 0.00% | +1,418+5.5% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 25,498 | $133.1K | 0.00% | −3,094−10.8% | Reduced |
| Providence Wealth Advisors, LLC | 25,000 | $128.5K | 0.08% | 00.0% | Unchanged |
| Intech Investment Management LLC | 21,211 | $110.7K | 0.00% | −8,772−29.3% | Reduced |
| Hikari Power Ltd | 20,020 | $105.0K | 0.01% | 00.0% | Unchanged |
| Brighton Jones LLC | 19,945 | $104.1K | 0.00% | +2,046+11.4% | Added |
| Quadrature Capital Ltd | 19,275 | $100.5K | 0.00% | +19,275 | New |
| Manufacturers Life Insurance Company, The | 19,159 | $100.0K | 0.00% | −915−4.6% | Reduced |
| MetLife Investment Management | 18,397 | $96.0K | 0.00% | −9,935−35.1% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 17,632 | $92.0K | 0.00% | +7,616+76.0% | Added |
| Pallas Capital Advisors LLC | 17,345 | $90.5K | 0.00% | −417−2.3% | Reduced |
| Letko, Brosseau & Associates Inc | 17,300 | $90.3K | 0.00% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 14,951 | $78.0K | 0.00% | +14,951 | New |
| Buckingham Strategic Partners | 14,609 | $75.2K | 0.00% | +14,609 | New |
| Mercer Global Advisors Inc | 14,385 | $75.1K | 0.00% | +14,385 | New |
| Public Employees Retirement System of Ohio | 13,388 | $69.9K | 0.00% | +6,888+106.0% | Added |
| Regal Investment Advisors LLC | 13,167 | $68.7K | 0.00% | 00.0% | Unchanged |
| Inscription Capital, LLC | 12,633 | $65.9K | 0.01% | +12,633 | New |
| King Wealth | 11,100 | $58.0K | 0.01% | −1,000−8.3% | Reduced |
| Commonwealth Equity Services, LLC | 10,904 | $57.0K | 0.00% | −305−2.7% | Reduced |
| Capital Advisors Wealth Management, LLC | 10,800 | $56.4K | 0.01% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 10,610 | $55.4K | 0.00% | +2,859+36.9% | Added |
| Clearstead Advisors, LLC | 10,508 | $54.9K | 0.00% | +450+4.5% | Added |
| CIBC Private Wealth Group, LLC | 10,505 | $54.8K | 0.00% | +10,505 | New |
| Voya Investment Management LLC | 10,066 | $52.5K | 0.00% | −5,160−33.9% | Reduced |
| Krilogy Financial LLC | 10,407 | $51.3K | 0.00% | +10,407 | New |
| Federation des caisses Desjardins du Quebec | 9,687 | $50.6K | 0.00% | +2,695+38.5% | Added |
| New York State Common Retirement Fund | 9,598 | $50.1K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 6,599 | $34.4K | 0.00% | +17+0.3% | Added |
| Legal & General Group Plc | 5,836 | $30.5K | 0.00% | 00.0% | Unchanged |