DOSSIER · 13F Holders · Q4 2025

ARDELYX INC

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

CUSIP 039697907·4 13F holders·last filed Dec 31, 2025
Market cap
13F value held
$6M
visible holders
Holders
4
filers reporting
Concentration
62.05%
ORACLE INVESTMENT MANAGEMENT INC #1
top holder share
AI Holders Summary · Q4 2025

4 institutions reported ARDELYX INC in Q4 2025. ORACLE INVESTMENT MANAGEMENT INC leads at 62.1% 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
$1M268K0.00%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$774K152K0.00%Q2 2026
04
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025