Ardelyx, Inc.
ARDX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001437402
In the last 90 days, Ardelyx, Inc. insiders filed 0 open-market purchases and 9 sales; 250 institutions reported holding it in 13F filings for Q2 2026, worth $906.4M in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in Ardelyx, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 223
- +20 vs. Q2 2025
- Shares held
- 162.5M
- −5.09M (−3.0%) vs. Q2 2025
- Total value
- $891.4M
- +$234.7M (+35.7%) vs. Q2 2025
- New holders
- 40
- 78 more added
- Sold out
- 20
- 73 more reduced
3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ARDX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 250 | $906.4M |
| Q1 2026 | 242 | $1.01B |
| Q4 2025 | 229 | $972.9M |
| Q3 2025 | 223 | $891.4M |
| Q2 2025 | 206 | $657.3M |
| Q1 2025 | 221 | $808.7M |
| Q4 2024 | 213 | $765.2M |
| Q3 2024 | 203 | $982.8M |
| Q2 2024 | 197 | $1.07B |
| Q1 2024 | 189 | $1.03B |
| Q4 2023 | 161 | $849.0M |
| Q3 2023 | 150 | $513.5M |
| Q2 2023 | 146 | $426.0M |
| Q1 2023 | 130 | $550.1M |
| Q4 2022 | 104 | $225.7M |
| Q3 2022 | 83 | $79.6M |
| Q2 2022 | 78 | $22.7M |
| Q1 2022 | 89 | $42.4M |
| Q4 2021 | 100 | $46.0M |
| Q3 2021 | 108 | $66.7M |
| Q2 2021 | 127 | $643.2M |
| Q1 2021 | 125 | $559.7M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Ardelyx, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Two Sigma Advisers, LP | 1,614,600 | $8.90M | 0.02% | +378,100+30.6% | Added |
| Renaissance Technologies LLC | 1,690,093 | $9.31M | 0.01% | +388,900+29.9% | Added |
| Jones Financial Companies LLLP | 1,873,903 | $10.4M | 0.01% | +30,716+1.7% | Added |
| Northern Trust Corp | 2,117,992 | $11.7M | 0.00% | −3,180−0.1% | Reduced |
| AQR Capital Management LLC | 2,144,124 | $11.8M | 0.01% | −168,239−7.3% | Reduced |
| Jane Street Group, LLC | 2,193,725 | $12.1M | 0.01% | +1,425,533+185.6% | Added |
| Charles Schwab Investment Management Inc | 2,194,754 | $12.1M | 0.00% | −2,094−0.1% | Reduced |
| Rock Springs Capital Management LP | 2,286,273 | $12.6M | 0.74% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 2,490,848 | $13.7M | 0.02% | +469,385+23.2% | Added |
| Goldman Sachs Group Inc | 2,584,877 | $14.2M | 0.00% | −1,418,659−35.4% | Reduced |
| Bank of America Corp | 2,654,197 | $14.6M | 0.00% | −2,873,791−52.0% | Reduced |
| Morgan Stanley | 2,885,340 | $15.9M | 0.00% | +541,735+23.1% | Added |
| D. E. Shaw & Co., Inc. | 3,313,050 | $18.3M | 0.01% | +854,384+34.7% | Added |
| Nuveen, LLC | 5,174,953 | $28.5M | 0.01% | +1,685,009+48.3% | Added |
| Geode Capital Management, LLC | 5,756,786 | $31.7M | 0.00% | +90,698+1.6% | Added |
| Millennium Management LLC | 7,641,987 | $42.1M | 0.03% | −4,021,242−34.5% | Reduced |
| Marshall Wace, LLP | 8,943,042 | $49.3M | 0.05% | −2,307,610−20.5% | Reduced |
| State Street Corp | 9,718,690 | $53.5M | 0.00% | −123,181−1.3% | Reduced |
| Macquarie Group Ltd | 10,455,588 | $57.6M | 0.07% | −1,001,969−8.7% | Reduced |
| Janus Henderson Group PLC | 13,824,093 | $76.1M | 0.03% | −1,233,847−8.2% | Reduced |
| Vanguard Group Inc | 18,369,321 | $101.2M | 0.00% | +2,337,672+14.6% | Added |
| BlackRock, Inc. | 20,823,580 | $114.7M | 0.00% | +75,727+0.4% | Added |
| Franklin Resources Inc | 756,131 | – | – | +669,017+768.0% | Added |
| Two Seas Capital LP | 0 | $0 | 0.00% | −1,539,416−100.0% | Sold out |
| ADAR1 Capital Management, LLC | 0 | $0 | 0.00% | −915,130−100.0% | Sold out |
| Parkman Healthcare Partners LLC | 0 | $0 | 0.00% | −301,086−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −280,336−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −155,384−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −130,500−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −88,198−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −55,283−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −42,087−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −30,205−100.0% | Sold out |
| West Michigan Advisors, LLC | 0 | $0 | 0.00% | −28,000−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −17,920−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −15,687−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −15,529−100.0% | Sold out |
| Stifel Financial Corp | 0 | $0 | 0.00% | −15,150−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −11,254−100.0% | Sold out |
| Federation des caisses Desjardins du Quebec | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −46−100.0% | Sold out |
| Glenmede Investment Management, LP | 0 | $0 | 0.00% | −39−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Tyler-Stone Wealth Management | – | – | – | – | Not filed |
| E Fund Management Co., Ltd. | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |