ALDX — ALDEYRA THERAPEUTICS INC
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
About ALDEYRA THERAPEUTICS INC (ALDX)
ALDEYRA THERAPEUTICS INC (ALDX) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $2M. Across recent filings, tracked investors recorded 5 new positions, 2 increased, 0 reduced, and 0 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in ALDX
How many top investors track ALDX
A small number of top investors own this.
ALDX Ownership Composition
How ALDEYRA THERAPEUTICS INC is held across tracked investor types, based on reported 13F positions.
- Other83.6%
- Hedge Funds16.4%
Tracked investors reporting ALDX
- Ken GriffinMar 31, 2026Citadel AdvisorsShares416.8KValue$704.5K% Portfolio0.00%
- Izzy EnglanderMar 31, 2026Millennium ManagementShares995.2KValue$1.7M% Portfolio0.00%
- Steve CohenDec 31, 2025Point72 Asset ManagementShares94.1KValue$487.4K% Portfolio0.00%
- Paul Tudor JonesDec 31, 2025Tudor Investment CorpShares19KValue$98.4K% Portfolio0.00%
Recent activity
- $98.4KFeb 17, 2026
- $228.2KFeb 17, 2026
- $1.7MMay 15, 2026
- New$487.4KFeb 17, 2026
- Increased$704.5K(18.12%)May 15, 2026
- Increased$1.8M(2.16%)Feb 17, 2026
- New$1.8MNov 14, 2025
Frequently asked questions
- How many institutional investors hold ALDX?
- 4 tracked institutional investors disclosed a position in ALDX (ALDEYRA THERAPEUTICS INC) in their most recent 13F filing.
- Who is the largest institutional holder of ALDX?
- Ken Griffin, Citadel Advisors, holds the largest disclosed position in ALDX, valued at $2M.
- Did institutional ownership of ALDX increase or decrease?
- Across recent 13F filings, tracked investors recorded 5 new positions, 2 increased, 0 reduced, and 0 fully exited ALDX.
- Where does this ALDX ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.