Aldeyra Therapeutics, Inc. (ALDX)
PHARMACEUTICAL PREPARATIONS
Aldeyra Therapeutics, Inc. (ALDX) is listed on Nasdaq, where it has traded since May 2, 2014.
- Listed On
- Nasdaq
- Listed Since
- May 2, 2014
- Employees
- 6
- Market Cap
- $38M
About Aldeyra Therapeutics, Inc.
Aldeyra Therapeutics Inc is a biotechnology company engaged in developing and commercializing next-generation medicines to improve the lives of patients with immune-mediated and metabolic diseases. The company's product candidate, Reproxalap, is a treatment in late-stage development for dry eye disease and allergic conjunctivitis. In addition, it also has additional product candidates in development for proliferative vitreoretinopathy, primary vitreoretinal lymphoma, and other retinal diseases, autoimmune disease, and cancer. Company products includes ADX248, ADX743, ADX631, ADX246, ADX629, ADX2191.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 104 institutions reported holding ALDX, with 36.5 million shares worth $77.8 million in aggregate. The largest reported holder was Knoll Capital Management, with 5.5 million shares worth $11.7 million. Of the 5 largest holders listed below, 3 added shares, 1 reduced its position and 1 held its position unchanged during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| Knoll Capital Management | 5,475,516 | $12M | Unchanged |
| AQR Capital Management | 3,751,558 | $8M | Added 32.57% |
| Vanguard | 3,472,588 | $7M | Reduced 1.57% |
| Kingdon Capital Management | 2,652,315 | $6M | Added 23.23% |
| D. E. Shaw | 1,940,338 | $4M | Added 38.2% |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is ALDX?
Aldeyra Therapeutics, Inc. (ALDX) is listed on Nasdaq, where it has traded since May 2, 2014.
Who are the largest institutional holders of ALDX?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of ALDX were Knoll Capital Management, AQR Capital Management and Vanguard.
How many institutions own ALDX?
104 institutions reported a position in ALDX for the quarter ended June 30, 2026, worth $77.8 million in total.
Did institutions buy or sell ALDX last quarter?
Of the 5 largest reported holders, 3 added shares, 1 reduced its position and 1 held its position unchanged during the quarter. Every reported holder and its change is on the SentiSense ownership page for ALDX.
Every reported institutional holder, plus insider and congressional trades in ALDX, on SentiSense.