Aldeyra Therapeutics, Inc. (ALDX)

NasdaqCM

$1.23-6.82% today

Price as at 30 Sept 2026, 22:24 UTC. Quotes are delayed.

Fundamentals

52-week range$1.07 to $5.93

Valuation and ratings

Aldeyra Therapeutics, Inc. trades at $1.23. We do not hold enough of the inputs to value this company with the confidence the estimate implies, so we publish no fair value for it rather than a number we would not defend.

About Aldeyra Therapeutics, Inc.

Aldeyra Therapeutics, Inc., a biotechnology company, discovers and develops therapies designed to treat immune-mediated diseases. Its lead product candidate is reproxalap, a reactive aldehyde species (RASP) modulator, which is in Phase III clinical trial for the treatment of dry eye disease and allergic conjunctivitis; and ADX-2191, a dihydrofolate reductase inhibitor for the treatment of primary vitreoretinal lymphoma and retinitis pigmentosa. The company also develops ADX-629, an orally administered RASP modulator that is in Phase 2 clinical trials for the treatment of COVID-19, atopic asthma, psoriasis, and alcohol intoxication. In addition, it develops preclinical RASP platforms, including ADX 248, ADX 246, and other novel RASP modulators for the treatment of various diseases associated with RASP. The company was formerly known as Aldexa Therapeutics, Inc. and changed its name to Aldeyra Therapeutics, Inc. in March 2014. Aldeyra Therapeutics, Inc. was incorporated in 2004 and is based in Lexington, Massachusetts.

Industry: BiotechnologyEmployees: 6HQ: United States

Company profile, industry and headcount are as reported by our data provider and can lag a company's own filings by a reporting period. The annual report is the authority.

Super investor ownership

9 of the funds we track reported a position in their latest SEC 13F filing. Largest first:

A word of warning on reading these figures: a 13F reports the market value of a holding, so a fund that traded nothing at all still appears to have sold when the price fell. We found 102 companies where the standard reading gives the opposite answer. Only the share count is honest.

Common questions

Which funds own ALDX?

9 of the institutions we track reported a position in ALDX in their most recent SEC 13F filing. A 13F is filed up to 45 days after quarter end, so it tells you what a fund held then, not what it holds now.

Where does SteadyShares get its ALDX data?

Fundamentals for ALDX come from company filings and exchange data, as listed on NasdaqCM; institutional ownership comes from SEC 13F filings. The share price shown was last refreshed on 30 Sept 2026, 22:24 UTC and is delayed. Metrics we do not hold are left out of the page rather than estimated.

The full research page for ALDX, with financial statements, ownership detail, peer comparison and alerts, is free inside the app.

Data from company filings, exchange quotes and SEC EDGAR 13F disclosures. Quotes are delayed. Metrics we do not have are left out rather than estimated. Educational information, not financial advice.