Aldeyra TherapeuticsALDX
13F holders, Q4 2025 (December 31)136holders +5
18new positions
11sold out
5famous investors
$5.18avg. 13F price*
At the end of Q4 2025, 136 institutions reported holding Aldeyra Therapeutics Inc. (ALDX) in their 13F filings, up 5 from Q3 2025. 18 opened new positions and 11 sold out. The largest holders were Knoll Capital Management, LLC ($28.4M), Perceptive Advisors LLC ($21.7M) 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 Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 18 | $3.4M |
| Exits | 11 | $2.7M |
All 13F filers, Q3 2025 → Q4 2025: 3,407,377 shares bought and 3,542,259 shares sold, net −134,882 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 136 holders
| Knoll Capital Management, LLC | 13.01% | No change | 5,475,516 | $28.4M |
| Perceptive Advisors LLC | 0.40% | Reduce -19.9% | 4,185,632 | $21.7M |
| BlackRock, Inc. | 0.00% | Add +1.2% | 3,850,103 | $19.9M |
| Vanguard Group Inc. | 0.00% | Add +3.0% | 3,698,682 | $19.2M |
| Kingdon Capital Management, L.L.C. | 1.47% | Add +38.9% | 1,850,000 | $9.6M |
| D. E. Shaw & Co. | 0.01% | Add +16.1% | 1,601,324 | $8.3M |
| 683 Capital Management, LLC | 0.69% | Add +86.6% | 1,530,000 | $7.9M |
| Ardsley Advisory Partners LP | 0.96% | Reduce -23.7% | 1,450,000 | $7.5M |
| Kennedy Capital Management LLC | 0.14% | Add +12.9% | 1,255,838 | $6.5M |
| AQR Capital Management | 0.00% | Reduce -18.5% | 1,226,922 | $6.4M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.5% | 1,170,537 | $6.1M |
| State Street Corp. | 0.00% | Reduce -0.4% | 1,098,600 | $5.7M |
| Acadian Asset Management LLC | 0.01% | Add +17.2% | 979,521 | $5.1M |
| Jacobs Levy Equity Management, Inc. | 0.02% | Add +2.2% | 968,751 | $5.0M |
| Morgan Stanley | 0.00% | Reduce -39.4% | 657,032 | $3.4M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -5.6% | 612,258 | $3.2M |
| Bank of America Corp. | 0.00% | Add +5.1% | 410,028 | $2.1M |
| Northern Trust Corp. | 0.00% | Reduce -7.0% | 379,405 | $2.0M |
| Wells Fargo & Company | 0.00% | Add +1.3% | 366,169 | $1.9M |
| Renaissance Technologies | 0.00% | Add +77.4% | 350,000 | $1.8M |
| Deutsche Bank AG | 0.00% | Add +0.8% | 317,335 | $1.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +67.1% | 305,706 | $1.6M |
| Jane Street Group, LLC | 0.00% | Add +20.8% | 303,852 | $1.6M |
| Two Sigma Investments, LP | 0.00% | Add +5.2% | 287,364 | $1.5M |
| Woodstock Corp. | 0.12% | No change | 266,756 | $1.4M |
| BNP Paribas Financial Markets | 0.00% | Add +2382.6% | 263,407 | $1.4M |
| Palo Alto Investors LP | 0.16% | No change | 225,465 | $1.2M |
| 1492 Capital Management LLC | 0.46% | New | 223,317 | $1.2M |
| Wellington Management Group LLP | 0.00% | Reduce -5.8% | 178,851 | $926K |
| Invesco Ltd. | 0.00% | Add +22.0% | 163,087 | $845K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +1.5% | 152,787 | $791K |
| Ieq Capital, LLC | 0.00% | Reduce -9.4% | 144,199 | $747K |
| Two Sigma Advisers, LP | 0.00% | Reduce -33.8% | 121,900 | $631K |
| Bank of New York Mellon Corp | 0.00% | Reduce -5.0% | 115,766 | $600K |
| Russell Investments Group, Ltd. | 0.00% | Add +2.7% | 114,126 | $591K |
| Nuveen, LLC | 0.00% | Reduce -25.2% | 108,220 | $561K |
| Gsa Capital Partners LLP | 0.04% | Reduce -21.0% | 96,917 | $502K |
| UBS Group AG | 0.00% | Reduce -52.3% | 95,677 | $496K |
| Point72 Asset Management | 0.00% | New | 94,094 | $487K |
| ExodusPoint Capital Management, LP | 0.01% | Add +518.0% | 92,390 | $479K |
| Qube Research & Technologies Ltd | 0.00% | New | 84,928 | $440K |
| Barclays PLC | 0.00% | Add +10.2% | 84,471 | $438K |
| Group One Trading LLC | 0.01% | Reduce -26.5% | 83,449 | $432K |
| State of Wisconsin Investment Board | 0.00% | Add +33.6% | 81,366 | $421K |
| Graham Capital Management, L.P. | 0.02% | Add +66.3% | 76,365 | $396K |
| Alliancebernstein L.P. | 0.00% | No change | 75,550 | $391K |
| Rhumbline Advisers | 0.00% | Reduce -10.5% | 70,413 | $365K |
| STRS Ohio | 0.00% | Reduce -20.4% | 68,200 | $353K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 64,262 | $333K |
| Susquehanna International Group, LLP | 0.00% | Reduce -60.3% | 62,907 | $326K |
| Captrust Financial Advisors | 0.00% | Reduce -1.9% | 51,995 | $269K |
| Cerity Partners LLC | 0.00% | Reduce -15.4% | 51,049 | $264K |
| International Assets Investment Management, LLC | 0.02% | Reduce -2.4% | 47,475 | $246K |
| Quantinno Capital Management LP | 0.00% | Reduce -10.4% | 45,988 | $238K |
| Millennium Management | 0.00% | Reduce -70.5% | 44,059 | $228K |
| Cwm, LLC | 0.00% | Reduce -25.8% | 43,305 | $224K |
| XTX Topco Ltd | 0.01% | Add +22.5% | 42,227 | $219K |
| Act Capital Management, LLC | 0.17% | — | 41,000 | $212K |
| Simplex Trading, LLC | 0.01% | Add +36.3% | 39,755 | $206K |
| Canada Pension Plan Investment Board | 0.00% | New | 35,500 | $184K |
| Ameriprise Financial Inc. | 0.00% | Reduce -0.3% | 35,304 | $183K |
| Essential Partners LLC | 0.06% | Reduce -0.1% | 35,188 | $182K |
| Caption Management, LLC | 0.01% | New | 35,000 | $181K |
| LPL Financial LLC | 0.00% | No change | 34,916 | $181K |
| AlphaCentric Advisors LLC | 0.18% | — | 34,912 | $181K |
| First Manhattan Co. Llc. | 0.00% | No change | 34,745 | $180K |
| Creative Planning | 0.00% | Reduce -0.9% | 34,521 | $179K |
| Intech Investment Management LLC | 0.00% | Add +57.1% | 33,328 | $173K |
| Sei Investments Co. | 0.00% | Reduce -15.4% | 33,287 | $172K |
| American Century Companies Inc. | 0.00% | Add +0.6% | 32,460 | $168K |
| MetLife Investment Management, LLC | 0.00% | Add +60.5% | 29,531 | $153K |
| Axq Capital, LP | 0.03% | New | 26,810 | $139K |
| Joseph P. Lucia & Associates, LLC | 0.05% | Reduce -15.4% | 26,732 | $138K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Reduce -0.5% | 32,683 | $133K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -1.2% | 25,203 | $131K |
| Jump Financial, LLC | 0.00% | New | 24,480 | $127K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | New | 23,858 | $124K |
| Mariner, LLC | 0.00% | Reduce -23.4% | 22,876 | $118K |
| JPMorgan Chase & Co. | 0.00% | Reduce -18.9% | 21,989 | $114K |
| Fox Run Management, L.L.C. | 0.02% | New | 20,983 | $109K |
| Providence Wealth Advisors, LLC | 0.07% | No change | 25,000 | $104K |
| Hikari Power Ltd | 0.01% | No change | 20,020 | $104K |
| Walleye Capital LLC | 0.00% | New | 18,595 | $96K |
| Pallas Capital Advisors LLC | 0.00% | Reduce -0.0% | 17,338 | $90K |
| Letko, Brosseau & Associates Inc. | 0.00% | No change | 17,300 | $90K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -11.2% | 17,021 | $88K |
| Capital Advisors Wealth Management, LLC | 0.01% | Add +46.3% | 15,800 | $82K |
| PFG Investments, LLC | 0.00% | Reduce -76.5% | 15,500 | $80K |
| Jones Financial Companies LLLP | 0.00% | New | 15,000 | $78K |
| U.S. Capital Wealth Advisors, LLC | 0.00% | New | 14,805 | $77K |
| Regal Investment Advisors LLC | 0.00% | Add +3.0% | 13,565 | $70K |
| Public Employees Retirement System of Ohio | 0.00% | No change | 13,388 | $69K |
| Federation des caisses Desjardins du Quebec | 0.00% | Add +25.8% | 12,187 | $63K |
| SG Americas Securities, LLC | 0.00% | New | 12,000 | $62K |
| King Wealth Management Group | 0.01% | Reduce -2.7% | 10,800 | $56K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Reduce -39.2% | 10,721 | $56K |
| Mercer Global Advisors Inc. | 0.00% | Reduce -26.5% | 10,571 | $55K |
| Focus Partners Advisor Solutions, LLC | 0.00% | Reduce -27.9% | 10,535 | $55K |
| CIBC Private Wealth Group LLC | 0.00% | No change | 10,505 | $54K |
| Voya Investment Management LLC | 0.00% | No change | 10,066 | $52K |
"% of holder's portfolio" is ALDX's weight in each manager's 13F, not the share of Aldeyra Therapeutics Inc. the manager owns.