Institutional Ownership
Ardelyx Inc
CUSIP 039697107COMARDXQ1 2026
13D / 13G Filings
42
Schedule 13D/13G on record
Beneficial Filers
16
Distinct reporting persons
Largest Stake
15.3%
Max % of class reported
Institutional Holders
229
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
42 filings · latest Jan 30, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Jan 30, 2026 | The Vanguard Group | 13G/A | 7.8% | 18.98M | SEC |
| 2 | Jan 12, 2026 | Integrated Core Strategies (Us) LLC | 13G | 11.0% | 13.12M | SEC |
| 3 | Nov 14, 2025 | Janus Henderson Group PLC | 13G/A | 5.7% | 13.82M | SEC |
| 4 | Oct 28, 2025 | Millennium Management LLC | 13G/A | 11.0% | 7.67M | SEC |
| 5 | Aug 14, 2025 | Janus Henderson Group PLC | 13G/A | 6.3% | 15.06M | SEC |
| 6 | Jul 29, 2025 | The Vanguard Group | 13G/A | 6.7% | 16.03M | SEC |
| 7 | Jun 25, 2025 | Millennium Management LLC | 13G | 11.0% | 12.10M | SEC |
| 8 | May 14, 2025 | Janus Henderson Group PLC | 13G/A | 10.5% | 24.98M | SEC |
| 9 | Feb 14, 2025 | Janus Henderson Group PLC | 13G/A | 10.3% | 24.39M | SEC |
| 10 | Feb 5, 2025 | State Street Corporation | 13G | 4.9% | 11.59M | SEC |
32 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Ardelyx Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 21.16M | $126.77M |
| 2 | Millennium Management LLC | 17.84M | $106.88M |
| 3 | State Street Corp | 13.60M | $81.49M |
| 4 | Janus Henderson Group PLC | 8.37M | $50.14M |
| 5 | Nomura Asset Management International Inc. | 8.17M | $48.94M |
| 6 | Geode Capital Management, LLC | 6.01M | $35.99M |
| 7 | Nuveen, LLC | 5.23M | $31.36M |
| 8 | Two Sigma Investments, LP | 4.27M | $25.60M |
| 9 | Citadel Advisors LLC | 3.46M | $20.75M |
| 10 | Goldman Sachs Group Inc | 3.22M | $19.27M |