DOSSIER · 13F Holders · Q4 2025

ARDELYX INC

5 institutions still hold ARDELYX INC as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 039697907·5 13F holders·last filed Dec 31, 2025
Market cap
13F value held
$6M
visible holders
Holders
5
filers reporting
Concentration
60.92%
ORACLE INVESTMENT MANAGEMENT INC #1
top holder share
AI Holders Summary · Q4 2025

5 institutions reported ARDELYX INC in Q4 2025. ORACLE INVESTMENT MANAGEMENT INC leads at 60.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
ORACLE INVESTMENT MANAGEMENT INC
CIK 0001012622
$3M600K2.08%Q4 2025
02
GROUP ONE TRADING LLC
CIK 0000932540
$1M247K0.00%Q1 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$654K109K0.00%Q1 2026
04
IMC-Chicago, LLC
CIK 0001452861· Market maker
$111K19K0.00%Q1 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025