Aldeyra TherapeuticsALDX
13F holders, Q3 2025 (September 30)131holders +9
24new positions
15sold out
5famous investors
$5.22avg. 13F price*
At the end of Q3 2025, 131 institutions reported holding Aldeyra Therapeutics Inc. (ALDX) in their 13F filings, up 9 from Q2 2025. 24 opened new positions and 15 sold out. The largest holders were Knoll Capital Management, LLC ($28.6M), Perceptive Advisors LLC ($27.3M) and BlackRock, Inc. ($19.9M). 5 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Aldeyra Therapeutics Inc.
- CUSIP
- 01438T106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 24 | $4.7M |
| Exits | 15 | $2.4M |
All 13F filers, Q2 2025 → Q3 2025: 6,638,803 shares bought and 1,636,408 shares sold, net +5,002,395 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 131 holders
| Knoll Capital Management, LLC | 15.32% | No change | 5,475,516 | $28.6M |
| Perceptive Advisors LLC | 0.80% | Add +28.9% | 5,222,311 | $27.3M |
| BlackRock, Inc. | 0.00% | Reduce -1.2% | 3,804,920 | $19.9M |
| Vanguard Group Inc. | 0.00% | Add +2.6% | 3,591,869 | $18.7M |
| Ardsley Advisory Partners LP | 1.52% | Reduce -7.3% | 1,900,000 | $9.9M |
| AQR Capital Management | 0.01% | Add +2.1% | 1,505,360 | $7.9M |
| D. E. Shaw & Co. | 0.01% | Add +182.9% | 1,379,843 | $7.2M |
| Kingdon Capital Management, L.L.C. | 1.09% | No change | 1,331,791 | $7.0M |
| Geode Capital Management, LLC | 0.00% | Add +2.6% | 1,176,420 | $6.1M |
| Kennedy Capital Management LLC | 0.13% | Add +61.9% | 1,112,213 | $5.8M |
| State Street Corp. | 0.00% | Add +4.4% | 1,102,674 | $5.8M |
| Morgan Stanley | 0.00% | Add +39.8% | 1,083,319 | $5.7M |
| Jacobs Levy Equity Management, Inc. | 0.02% | Add +49.4% | 947,551 | $4.9M |
| Acadian Asset Management LLC | 0.01% | Add +334.4% | 835,811 | $4.4M |
| 683 Capital Management, LLC | 0.41% | Reduce -24.1% | 820,000 | $4.3M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -9.8% | 648,371 | $3.4M |
| Northern Trust Corp. | 0.00% | Add +1.0% | 407,960 | $2.1M |
| Bank of America Corp. | 0.00% | Add +590.5% | 390,078 | $2.0M |
| Wells Fargo & Company | 0.00% | Reduce -0.7% | 361,469 | $1.9M |
| Deutsche Bank AG | 0.00% | Add +2.6% | 314,728 | $1.6M |
| Two Sigma Investments, LP | 0.00% | Add +389.9% | 273,054 | $1.4M |
| Woodstock Corp. | 0.12% | No change | 266,756 | $1.4M |
| Jane Street Group, LLC | 0.00% | Add +160.2% | 251,518 | $1.3M |
| Palo Alto Investors LP | 0.22% | No change | 225,465 | $1.2M |
| UBS Group AG | 0.00% | Add +87.2% | 200,739 | $1.0M |
| Renaissance Technologies | 0.00% | Add +74.9% | 197,300 | $1.0M |
| Wellington Management Group LLP | 0.00% | New | 189,821 | $991K |
| Two Sigma Advisers, LP | 0.00% | Add +497.7% | 184,100 | $961K |
| Goldman Sachs Group Inc. | 0.00% | Add +31.0% | 182,943 | $955K |
| Marshall Wace, LLP | 0.00% | New | 160,213 | $836K |
| Ieq Capital, LLC | 0.00% | Add +8.4% | 159,153 | $831K |
| Susquehanna International Group, LLP | 0.00% | Reduce -31.7% | 158,383 | $827K |
| Citadel Advisors | 0.00% | Add +1122.5% | 152,254 | $795K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -4.5% | 150,478 | $785K |
| Millennium Management | 0.00% | Add +661.8% | 149,365 | $780K |
| Nuveen, LLC | 0.00% | Add +35.6% | 144,685 | $755K |
| Y-Intercept (Hong Kong) Ltd | 0.02% | New | 138,091 | $721K |
| Invesco Ltd. | 0.00% | Add +9.1% | 133,705 | $698K |
| Gsa Capital Partners LLP | 0.05% | Add +67.3% | 122,664 | $640K |
| Bank of New York Mellon Corp | 0.00% | Add +9.4% | 121,852 | $636K |
| Group One Trading LLC | 0.02% | Reduce -14.6% | 113,584 | $593K |
| Russell Investments Group, Ltd. | 0.00% | Add +321.7% | 111,102 | $580K |
| Cubist Systematic Strategies, LLC | 0.01% | Add +238.3% | 101,375 | $529K |
| STRS Ohio | 0.00% | Add +4.1% | 85,700 | $447K |
| Rhumbline Advisers | 0.00% | Add +1.5% | 78,646 | $411K |
| Barclays PLC | 0.00% | Reduce -19.9% | 76,644 | $400K |
| Alliancebernstein L.P. | 0.00% | No change | 75,550 | $394K |
| PFG Investments, LLC | 0.02% | Reduce -74.3% | 66,000 | $345K |
| T. Rowe Price Associates Inc. | 0.00% | Add +32.0% | 64,262 | $336K |
| State of Wisconsin Investment Board | 0.00% | New | 60,894 | $318K |
| Cerity Partners LLC | 0.00% | Add +65.0% | 60,356 | $315K |
| Cwm, LLC | 0.00% | Add +39.8% | 58,379 | $305K |
| Royal Bank of Canada | 0.00% | Reduce -54.8% | 54,326 | $284K |
| Captrust Financial Advisors | 0.00% | Add +2.9% | 52,994 | $277K |
| Arax Advisory Partners | 0.00% | New | 51,359 | $268K |
| Quantinno Capital Management LP | 0.00% | New | 51,324 | $268K |
| Graham Capital Management, L.P. | 0.01% | New | 45,922 | $240K |
| Sei Investments Co. | 0.00% | New | 39,359 | $205K |
| International Assets Investment Management, LLC | 0.02% | No change | 48,640 | $191K |
| Ameriprise Financial Inc. | 0.00% | Add +34.8% | 35,409 | $185K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +20.4% | 32,842 | $184K |
| Essential Partners LLC | 0.06% | Add +3.0% | 35,214 | $184K |
| LPL Financial LLC | 0.00% | Reduce -29.4% | 34,916 | $182K |
| Creative Planning | 0.00% | Add +189.3% | 34,848 | $182K |
| First Manhattan Co. Llc. | 0.00% | No change | 34,745 | $181K |
| XTX Topco Ltd | 0.01% | New | 34,466 | $180K |
| American Century Companies Inc. | 0.00% | New | 32,283 | $169K |
| Joseph P. Lucia & Associates, LLC | 0.06% | Reduce -0.1% | 31,591 | $165K |
| Mariner, LLC | 0.00% | Add +33.2% | 29,846 | $156K |
| Simplex Trading, LLC | 0.00% | Add +37.7% | 29,176 | $152K |
| JPMorgan Chase & Co. | 0.00% | Add +5.5% | 27,122 | $142K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -10.8% | 25,498 | $133K |
| Providence Wealth Advisors, LLC | 0.08% | No change | 25,000 | $129K |
| Intech Investment Management LLC | 0.00% | Reduce -29.3% | 21,211 | $111K |
| Hikari Power Ltd | 0.01% | No change | 20,020 | $105K |
| Brighton Jones LLC | 0.00% | Add +11.4% | 19,945 | $104K |
| Quadrature Capital Ltd | 0.00% | New | 19,275 | $101K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -4.6% | 19,159 | $100K |
| MetLife Investment Management, LLC | 0.00% | Reduce -35.1% | 18,397 | $96K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +76.0% | 17,632 | $92K |
| Pallas Capital Advisors LLC | 0.00% | Reduce -2.4% | 17,345 | $91K |
| Letko, Brosseau & Associates Inc. | 0.00% | No change | 17,300 | $90K |
| ExodusPoint Capital Management, LP | 0.00% | New | 14,951 | $78K |
| Focus Partners Advisor Solutions, LLC | 0.00% | New | 14,609 | $75K |
| Mercer Global Advisors Inc. | 0.00% | New | 14,385 | $75K |
| Public Employees Retirement System of Ohio | 0.00% | Add +106.0% | 13,388 | $70K |
| Regal Investment Advisors LLC | 0.00% | No change | 13,167 | $69K |
| Inscription Capital, LLC | 0.01% | New | 12,633 | $66K |
| King Wealth Management Group | 0.01% | Reduce -8.3% | 11,100 | $58K |
| Commonwealth Equity Services, LLC | 0.00% | Reduce -2.7% | 10,904 | $57K |
| Capital Advisors Wealth Management, LLC | 0.01% | No change | 10,800 | $56K |
| BNP Paribas Financial Markets | 0.00% | Add +36.9% | 10,610 | $55K |
| Clearstead Advisors, LLC | 0.00% | Add +4.5% | 10,508 | $55K |
| CIBC Private Wealth Group LLC | 0.00% | New | 10,505 | $55K |
| Voya Investment Management LLC | 0.00% | Reduce -33.9% | 10,066 | $53K |
| Krilogy Financial LLC | 0.00% | New | 10,407 | $51K |
| Federation des caisses Desjardins du Quebec | 0.00% | Add +38.5% | 9,687 | $51K |
| New York State Common Retirement Fund | 0.00% | No change | 9,598 | $50K |
| FMR LLC | 0.00% | Add +0.3% | 6,599 | $34K |
| Legal & General Group Plc | 0.00% | No change | 5,836 | $30K |
"% of holder's portfolio" is ALDX's weight in each manager's 13F, not the share of Aldeyra Therapeutics Inc. the manager owns.