Aldeyra TherapeuticsALDX
13F holders, Q2 2025 (June 30)122holders −4
19new positions
24sold out
5famous investors
$3.83avg. 13F price*
At the end of Q2 2025, 122 institutions reported holding Aldeyra Therapeutics Inc. (ALDX) in their 13F filings, down 4 from Q1 2025. 19 opened new positions and 24 sold out. The largest holders were Knoll Capital Management, LLC ($21.0M), Perceptive Advisors LLC ($15.5M) and BlackRock, Inc. ($14.8M). 5 famous investors held it, including Cliff Asness (0.0% of AQR Capital Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'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 Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 19 | $1.8M |
| Exits | 24 | $6.9M |
All 13F filers, Q1 2025 → Q2 2025: 5,419,010 shares bought and 9,216,244 shares sold, net −3,797,234 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 122 holders
| Knoll Capital Management, LLC | 14.91% | No change | 5,475,516 | $21.0M |
| Perceptive Advisors LLC | 0.58% | Reduce -56.3% | 4,051,631 | $15.5M |
| BlackRock, Inc. | 0.00% | Add +3.1% | 3,852,101 | $14.8M |
| Vanguard Group Inc. | 0.00% | Reduce -5.8% | 3,501,593 | $13.4M |
| Ardsley Advisory Partners LP | 1.28% | Add +17.1% | 2,050,000 | $7.9M |
| AQR Capital Management | 0.00% | Add +275.4% | 1,473,812 | $5.6M |
| Kingdon Capital Management, L.L.C. | 0.98% | Add +71.0% | 1,331,791 | $5.1M |
| Geode Capital Management, LLC | 0.00% | Add +0.8% | 1,146,597 | $4.4M |
| 683 Capital Management, LLC | 0.44% | Add +126.9% | 1,080,000 | $4.1M |
| State Street Corp. | 0.00% | Add +3.5% | 1,056,585 | $4.0M |
| Morgan Stanley | 0.00% | Add +39.6% | 775,036 | $3.0M |
| Dimensional Fund Advisors LP | 0.00% | Add +7.3% | 718,713 | $2.8M |
| Kennedy Capital Management LLC | 0.06% | Reduce -44.3% | 686,968 | $2.6M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Add +1569.5% | 634,156 | $2.4M |
| D. E. Shaw & Co. | 0.00% | Add +221.6% | 487,672 | $1.9M |
| Northern Trust Corp. | 0.00% | Add +3.7% | 403,951 | $1.5M |
| Wells Fargo & Company | 0.00% | Reduce -7.2% | 364,169 | $1.4M |
| Deutsche Bank AG | 0.00% | Reduce -2.4% | 306,775 | $1.2M |
| Woodstock Corp. | 0.09% | Add +19.6% | 266,756 | $1.0M |
| PFG Investments, LLC | 0.06% | Add +397.2% | 257,300 | $985K |
| ADAR1 Capital Management, LLC | 0.16% | Add +18.1% | 249,920 | $957K |
| Susquehanna International Group, LLP | 0.00% | Add +254.9% | 231,766 | $888K |
| Palo Alto Investors LP | 0.18% | No change | 225,465 | $864K |
| Acadian Asset Management LLC | 0.00% | Add +100.5% | 192,402 | $735K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +14.2% | 157,538 | $603K |
| Walleye Capital LLC | 0.01% | New | 155,609 | $596K |
| Ieq Capital, LLC | 0.00% | Add +232.7% | 146,854 | $562K |
| Goldman Sachs Group Inc. | 0.00% | Add +12.3% | 139,614 | $535K |
| Group One Trading LLC | 0.02% | Reduce -19.1% | 132,987 | $509K |
| Invesco Ltd. | 0.00% | Reduce -75.5% | 122,566 | $469K |
| Royal Bank of Canada | 0.00% | Add +3398.6% | 120,142 | $460K |
| Renaissance Technologies | 0.00% | Reduce -3.3% | 112,800 | $432K |
| Bank of New York Mellon Corp | 0.00% | Add +0.4% | 111,341 | $426K |
| UBS Group AG | 0.00% | Add +13.5% | 107,253 | $411K |
| Nuveen, LLC | 0.00% | Reduce -69.4% | 106,705 | $409K |
| Jane Street Group, LLC | 0.00% | Reduce -45.7% | 96,683 | $370K |
| Barclays PLC | 0.00% | Add +87.7% | 95,648 | $366K |
| STRS Ohio | 0.00% | Add +7.6% | 82,300 | $315K |
| Rhumbline Advisers | 0.00% | Add +2.7% | 77,494 | $297K |
| Alliancebernstein L.P. | 0.00% | Add +28.8% | 75,550 | $289K |
| Gsa Capital Partners LLP | 0.02% | New | 73,296 | $281K |
| Panagora Asset Management Inc. | 0.00% | Add +42.8% | 72,059 | $276K |
| Kennondale Capital Management LLC | 0.22% | Reduce -62.5% | 56,729 | $217K |
| Bank of America Corp. | 0.00% | Reduce -86.2% | 56,491 | $216K |
| Two Sigma Investments, LP | 0.00% | Add +0.7% | 55,739 | $213K |
| Captrust Financial Advisors | 0.00% | Add +9.1% | 51,492 | $197K |
| LPL Financial LLC | 0.00% | Add +0.3% | 49,441 | $189K |
| T. Rowe Price Associates Inc. | 0.00% | Add +38.8% | 48,683 | $187K |
| International Assets Investment Management, LLC | 0.01% | No change | 48,640 | $186K |
| Citigroup Inc. | 0.00% | Add +37.8% | 47,750 | $183K |
| Cwm, LLC | 0.00% | Add +117.0% | 41,758 | $160K |
| Cerity Partners LLC | 0.00% | New | 36,577 | $140K |
| First Manhattan Co. Llc. | 0.00% | No change | 34,745 | $133K |
| Essential Partners LLC | 0.05% | — | 34,177 | $131K |
| Providence Wealth Advisors, LLC | 0.09% | No change | 25,000 | $129K |
| Joseph P. Lucia & Associates, LLC | 0.05% | Reduce -0.1% | 31,623 | $121K |
| Two Sigma Advisers, LP | 0.00% | Reduce -7.0% | 30,800 | $118K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +150.1% | 27,286 | $117K |
| Intech Investment Management LLC | 0.00% | Add +27.6% | 29,983 | $115K |
| Cubist Systematic Strategies, LLC | 0.00% | New | 29,967 | $115K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -4.2% | 28,592 | $110K |
| MetLife Investment Management, LLC | 0.00% | Add +0.8% | 28,332 | $109K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -2.6% | 26,344 | $101K |
| Ameriprise Financial Inc. | 0.00% | New | 26,263 | $101K |
| JPMorgan Chase & Co. | 0.00% | Reduce -6.7% | 25,704 | $98K |
| Mariner, LLC | 0.00% | New | 22,413 | $86K |
| Simplex Trading, LLC | 0.00% | Add +349.6% | 21,183 | $81K |
| US Bancorp \de | 0.00% | Add +87966.7% | 21,136 | $81K |
| Hikari Power Ltd | 0.01% | No change | 20,020 | $77K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +10.9% | 20,074 | $77K |
| Millennium Management | 0.00% | Reduce -85.5% | 19,606 | $75K |
| Brighton Jones LLC | 0.00% | New | 17,899 | $69K |
| Pallas Capital Advisors LLC | 0.00% | New | 17,762 | $68K |
| Letko, Brosseau & Associates Inc. | 0.00% | No change | 17,300 | $66K |
| Los Angeles Capital Management LLC | 0.00% | New | 16,320 | $63K |
| Voya Investment Management LLC | 0.00% | Add +9.3% | 15,226 | $58K |
| Corton Capital Inc. | 0.07% | New | 14,940 | $57K |
| Regal Investment Advisors LLC | 0.00% | No change | 13,167 | $50K |
| Caption Management, LLC | 0.00% | Reduce -93.0% | 12,664 | $49K |
| Citadel Advisors | 0.00% | New | 12,454 | $48K |
| Creative Planning | 0.00% | Reduce -7.5% | 12,047 | $46K |
| King Wealth Management Group | 0.01% | New | 12,100 | $46K |
| Commonwealth Equity Services, LLC | 0.00% | Reduce -50.0% | 11,209 | $43K |
| ProShare Advisors LLC | 0.00% | Add +3.2% | 11,127 | $43K |
| Two Sigma Securities, LLC | 0.01% | New | 11,002 | $42K |
| Capital Advisors Wealth Management, LLC | 0.01% | No change | 10,800 | $41K |
| Clearstead Advisors, LLC | 0.00% | Reduce -3.3% | 10,058 | $39K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 10,016 | $38K |
| Inspirion Wealth Advisors, LLC | 0.01% | New | 10,000 | $38K |
| New York State Common Retirement Fund | 0.00% | No change | 9,598 | $37K |
| BNP Paribas Financial Markets | 0.00% | Reduce -71.4% | 7,751 | $30K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +241.7% | 7,513 | $29K |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 6,992 | $27K |
| FMR LLC | 0.00% | Reduce -35.7% | 6,582 | $25K |
| Public Employees Retirement System of Ohio | 0.00% | New | 6,500 | $25K |
| Legal & General Group Plc | 0.00% | Add +32.7% | 5,836 | $22K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +1045.8% | 4,549 | $17K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -43.4% | 3,906 | $15K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 3,846 | $15K |
| Washington Trust Advisors, Inc. | 0.00% | No change | 3,800 | $15K |
"% of holder's portfolio" is ALDX's weight in each manager's 13F, not the share of Aldeyra Therapeutics Inc. the manager owns.