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 $78.2M in total; no superinvestor holds it.
13F holders, Q2 2025
Institutional positions in Aldeyra Therapeutics, Inc. as of Jun 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
- 122
- −4 vs. Q1 2025
- Shares held
- 34.1M
- −3.76M (−9.9%) vs. Q1 2025
- Total value
- $130.8M
- −$94.8M (−42.0%) vs. Q1 2025
- New holders
- 20
- 47 more added
- Sold out
- 24
- 32 more reduced
Compare with Q1 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 | $78.2M |
| Q1 2026 | 128 | $63.3M |
| Q4 2025 | 136 | $201.8M |
| Q3 2025 | 131 | $204.3M |
| Q2 2025 | 122 | $131.2M |
| Q1 2025 | 126 | $225.6M |
| Q4 2024 | 119 | $186.0M |
| Q3 2024 | 112 | $249.8M |
| Q2 2024 | 103 | $117.0M |
| Q1 2024 | 101 | $118.1M |
| Q4 2023 | 105 | $125.2M |
| Q3 2023 | 120 | $252.3M |
| Q2 2023 | 119 | $327.5M |
| Q1 2023 | 109 | $361.2M |
| Q4 2022 | 96 | $237.9M |
| Q3 2022 | 89 | $210.2M |
| Q2 2022 | 95 | $147.5M |
| Q1 2022 | 111 | $171.9M |
| Q4 2021 | 115 | $187.1M |
| Q3 2021 | 117 | $348.9M |
| Q2 2021 | 136 | $625.0M |
| Q1 2021 | 108 | $376.7M |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Knoll Capital Management, LLC | 5,475,516 | $21.0M | 14.91% | 00.0% | Unchanged |
| Perceptive Advisors LLC | 4,051,631 | $15.5M | 0.58% | −5,224,220−56.3% | Reduced |
| BlackRock, Inc. | 3,852,101 | $14.8M | 0.00% | +116,063+3.1% | Added |
| Vanguard Group Inc | 3,501,593 | $13.4M | 0.00% | −216,425−5.8% | Reduced |
| Ardsley Advisory Partners LP | 2,050,000 | $7.85M | 1.28% | +300,000+17.1% | Added |
| AQR Capital Management LLC | 1,473,812 | $5.64M | 0.00% | +1,081,257+275.4% | Added |
| Kingdon Capital Management, L.L.C. | 1,331,791 | $5.10M | 0.98% | +552,791+71.0% | Added |
| Geode Capital Management, LLC | 1,146,597 | $4.39M | 0.00% | +8,769+0.8% | Added |
| 683 Capital Management, LLC | 1,080,000 | $4.14M | 0.42% | +604,000+126.9% | Added |
| State Street Corp | 1,056,585 | $4.05M | 0.00% | +35,204+3.4% | Added |
| Morgan Stanley | 775,036 | $2.97M | 0.00% | +219,977+39.6% | Added |
| Dimensional Fund Advisors LP | 718,713 | $2.75M | 0.00% | +48,863+7.3% | Added |
| Kennedy Capital Management, Inc. | 686,968 | $2.63M | 0.06% | −546,446−44.3% | Reduced |
| Jacobs Levy Equity Management, Inc | 634,156 | $2.43M | 0.01% | +596,172+1,569.5% | Added |
| D. E. Shaw & Co., Inc. | 487,672 | $1.87M | 0.00% | +336,030+221.6% | Added |
| Northern Trust Corp | 403,951 | $1.55M | 0.00% | +14,369+3.7% | Added |
| Wells Fargo & Company | 364,169 | $1.39M | 0.00% | −28,363−7.2% | Reduced |
| Deutsche Bank AG | 306,775 | $1.17M | 0.00% | −7,648−2.4% | Reduced |
| Woodstock Corp | 266,756 | $1.02M | 0.09% | +43,662+19.6% | Added |
| PFG Investments, LLC | 257,300 | $985.5K | 0.06% | +205,550+397.2% | Added |
| ADAR1 Capital Management, LLC | 249,920 | $957.2K | 0.16% | +38,341+18.1% | Added |
| Susquehanna International Group, LLP | 231,766 | $887.7K | 0.00% | +166,458+254.9% | Added |
| Palo Alto Investors LP | 225,465 | $863.5K | 0.18% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 192,402 | $735.0K | 0.00% | +96,442+100.5% | Added |
| Charles Schwab Investment Management Inc | 157,538 | $603.4K | 0.00% | +19,553+14.2% | Added |
| Walleye Capital LLC | 155,609 | $596.0K | 0.01% | +155,609 | New |
| Ieq Capital, LLC | 146,854 | $562.5K | 0.00% | +102,709+232.7% | Added |
| Goldman Sachs Group Inc | 139,614 | $534.7K | 0.00% | +15,249+12.3% | Added |
| Group One Trading, L.P. | 132,987 | $509.3K | 0.02% | −31,424−19.1% | Reduced |
| Invesco Ltd. | 122,566 | $469.4K | 0.00% | −378,571−75.5% | Reduced |
| Royal Bank of Canada | 120,142 | $460.0K | 0.00% | +116,708+3,398.6% | Added |
| Renaissance Technologies LLC | 112,800 | $432.0K | 0.00% | −3,800−3.3% | Reduced |
| Bank of New York Mellon Corp | 111,341 | $426.4K | 0.00% | +410+0.4% | Added |
| UBS Group AG | 107,253 | $410.8K | 0.00% | +12,783+13.5% | Added |
| Nuveen, LLC | 106,705 | $408.7K | 0.00% | −241,816−69.4% | Reduced |
| Jane Street Group, LLC | 96,683 | $370.3K | 0.00% | −81,427−45.7% | Reduced |
| Barclays PLC | 95,648 | $366.3K | 0.00% | +44,691+87.7% | Added |
| STRS Ohio | 82,300 | $315.2K | 0.00% | +5,800+7.6% | Added |
| Rhumbline Advisers | 77,494 | $296.8K | 0.00% | +2,018+2.7% | Added |
| Alliancebernstein L.P. | 75,550 | $289.4K | 0.00% | +16,900+28.8% | Added |
| Gsa Capital Partners LLP | 73,296 | $281.0K | 0.02% | +73,296 | New |
| Panagora Asset Management Inc | 72,059 | $276.0K | 0.00% | +21,605+42.8% | Added |
| Kennondale Capital Management LLC | 56,729 | $217.3K | 0.22% | −94,551−62.5% | Reduced |
| Bank of America Corp | 56,491 | $216.4K | 0.00% | −352,051−86.2% | Reduced |
| Two Sigma Investments, LP | 55,739 | $213.5K | 0.00% | +412+0.7% | Added |
| Captrust Financial Advisors | 51,492 | $197.2K | 0.00% | +4,297+9.1% | Added |
| LPL Financial LLC | 49,441 | $189.4K | 0.00% | +173+0.4% | Added |
| Price T Rowe Associates Inc | 48,683 | $187.0K | 0.00% | +13,600+38.8% | Added |
| International Assets Investment Management, LLC | 48,640 | $186.3K | 0.02% | 00.0% | Unchanged |
| Citigroup Inc | 47,750 | $182.9K | 0.00% | +13,088+37.8% | Added |
| CWM, LLC | 41,758 | $160.0K | 0.00% | +22,514+117.0% | Added |
| Cerity Partners LLC | 36,577 | $140.1K | 0.00% | +36,577 | New |
| First Manhattan Co | 34,745 | $133.1K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 34,177 | $130.9K | 0.05% | +34,177 | New |
| Providence Wealth Advisors, LLC | 25,000 | $129.4K | 0.09% | 00.0% | Unchanged |
| Joseph P. Lucia & Associates, LLC | 31,623 | $121.1K | 0.05% | −35−0.1% | Reduced |
| Two Sigma Advisers, LP | 30,800 | $118.0K | 0.00% | −2,300−6.9% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 27,286 | $117.3K | 0.00% | +16,376+150.1% | Added |
| Intech Investment Management LLC | 29,983 | $114.8K | 0.00% | +6,477+27.6% | Added |
| Cubist Systematic Strategies, LLC | 29,967 | $114.8K | 0.00% | +29,967 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 28,592 | $109.5K | 0.00% | −1,248−4.2% | Reduced |
| MetLife Investment Management | 28,332 | $108.5K | 0.00% | +233+0.8% | Added |
| Russell Investments Group, Ltd. | 26,344 | $100.9K | 0.00% | −698−2.6% | Reduced |
| Ameriprise Financial Inc | 26,263 | $100.6K | 0.00% | +26,263 | New |
| JPMorgan Chase & Co | 25,704 | $98.4K | 0.00% | −1,840−6.7% | Reduced |
| Mariner, LLC | 22,413 | $85.8K | 0.00% | +22,413 | New |
| Simplex Trading, LLC | 21,183 | $81.0K | 0.00% | +16,472+349.6% | Added |
| US Bancorp | 21,136 | $81.0K | 0.00% | +21,112+87,966.7% | Added |
| Hikari Power Ltd | 20,020 | $77.0K | 0.01% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 20,074 | $76.9K | 0.00% | +1,972+10.9% | Added |
| Millennium Management LLC | 19,606 | $75.1K | 0.00% | −115,549−85.5% | Reduced |
| Brighton Jones LLC | 17,899 | $68.6K | 0.00% | +17,899 | New |
| Pallas Capital Advisors LLC | 17,762 | $68.0K | 0.00% | +17,762 | New |
| Letko, Brosseau & Associates Inc | 17,300 | $66.3K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 16,320 | $62.5K | 0.00% | +16,320 | New |
| Voya Investment Management LLC | 15,226 | $58.3K | 0.00% | +1,302+9.4% | Added |
| Corton Capital Inc. | 14,940 | $57.2K | 0.07% | +14,940 | New |
| Regal Investment Advisors LLC | 13,167 | $50.4K | 0.00% | 00.0% | Unchanged |
| Caption Management, LLC | 12,664 | $48.5K | 0.00% | −168,442−93.0% | Reduced |
| Citadel Advisors LLC | 12,454 | $47.7K | 0.00% | +12,454 | New |
| Creative Planning | 12,047 | $46.1K | 0.00% | −970−7.5% | Reduced |
| King Wealth | 12,100 | $46.0K | 0.01% | +12,100 | New |
| Commonwealth Equity Services, LLC | 11,209 | $43.0K | 0.00% | −11,186−49.9% | Reduced |
| ProShare Advisors LLC | 11,127 | $42.6K | 0.00% | +343+3.2% | Added |
| Two Sigma Securities, LLC | 11,002 | $42.1K | 0.01% | +11,002 | New |
| Capital Advisors Wealth Management, LLC | 10,800 | $41.4K | 0.01% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 10,058 | $38.5K | 0.00% | −340−3.3% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 10,016 | $38.4K | 0.00% | 00.0% | Unchanged |
| Inspirion Wealth Advisors, LLC | 10,000 | $38.3K | 0.01% | +10,000 | New |
| New York State Common Retirement Fund | 9,598 | $36.8K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 7,751 | $29.7K | 0.00% | −19,342−71.4% | Reduced |
| Tower Research Capital LLC (TRC) | 7,513 | $28.8K | 0.00% | +5,314+241.7% | Added |
| Federation des caisses Desjardins du Quebec | 6,992 | $26.8K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 6,582 | $25.2K | 0.00% | −3,651−35.7% | Reduced |
| Public Employees Retirement System of Ohio | 6,500 | $24.9K | 0.00% | +6,500 | New |
| Legal & General Group Plc | 5,836 | $22.4K | 0.00% | +1,439+32.7% | Added |
| EverSource Wealth Advisors, LLC | 4,549 | $17.4K | 0.00% | +4,152+1,045.8% | Added |
| Farther Finance Advisors, LLC | 3,906 | $15.0K | 0.00% | −3,000−43.4% | Reduced |
| Ameritas Investment Partners, Inc. | 3,846 | $14.7K | 0.00% | 00.0% | Unchanged |
| Washington Trust Advisors, Inc. | 3,800 | $14.6K | 0.00% | 00.0% | Unchanged |