ARDX — ARDELYX 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 ARDELYX INC (ARDX)
ARDELYX INC (ARDX) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Izzy Englander (Millennium Management), valued at $108M. Across recent filings, tracked investors recorded 8 new positions, 0 increased, 0 reduced, and 0 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in ARDX
How many top investors track ARDX
A small number of top investors own this.
ARDX Ownership Composition
How ARDELYX INC is held across tracked investor types, based on reported 13F positions.
- Other88.0%
- Hedge Funds12.0%
Tracked investors reporting ARDX
- Izzy EnglanderMar 31, 2026Millennium ManagementShares18MValue$108.1M% Portfolio0.04%
- Ken GriffinMar 31, 2026Citadel AdvisorsShares3.8MValue$22.5M% Portfolio0.00%
- Steve CohenMar 31, 2026Point72 Asset ManagementShares3MValue$17.9M% Portfolio0.02%
- Paul Tudor JonesMar 31, 2026Tudor Investment CorpShares115.2KValue$689.9K% Portfolio0.00%
Recent activity
- $719.5KFeb 17, 2026
- $689.9KMay 15, 2026
- $70MFeb 17, 2026
- $108.1MMay 15, 2026
- New$5.6MFeb 17, 2026
- New$22.5MMay 15, 2026
- New$17.9MMay 15, 2026
- New$11.6MNov 14, 2025
Frequently asked questions
- How many institutional investors hold ARDX?
- 4 tracked institutional investors disclosed a position in ARDX (ARDELYX INC) in their most recent 13F filing.
- Who is the largest institutional holder of ARDX?
- Izzy Englander, Millennium Management, holds the largest disclosed position in ARDX, valued at $108M.
- Did institutional ownership of ARDX increase or decrease?
- Across recent 13F filings, tracked investors recorded 8 new positions, 0 increased, 0 reduced, and 0 fully exited ARDX.
- Where does this ARDX 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.