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, Q4 2025
Institutional positions in Ardelyx, Inc. as of Dec 31, 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
- 229
- +11 vs. Q3 2025
- Shares held
- 166.9M
- +5.01M (+3.1%) vs. Q3 2025
- Total value
- $972.9M
- +$85.2M (+9.6%) vs. Q3 2025
- New holders
- 37
- 79 more added
- Sold out
- 26
- 84 more reduced
5 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Ardelyx, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Qube Research & Technologies Ltd | 1,096,117 | $6.39M | 0.01% | +1,096,117 | New |
| AIGH Capital Management LLC | 1,150,000 | $6.70M | 1.98% | +951,500+479.3% | Added |
| Citadel Advisors LLC | 1,327,453 | $7.74M | 0.01% | −201,079−13.2% | Reduced |
| Two Sigma Advisers, LP | 1,348,700 | $7.86M | 0.02% | −265,900−16.5% | Reduced |
| D. E. Shaw & Co., Inc. | 1,411,267 | $8.23M | 0.01% | −1,901,783−57.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,424,878 | $8.31M | 0.00% | +845,855+146.1% | Added |
| J. Goldman & Co LP | 1,622,736 | $9.46M | 0.37% | +1,532,236+1,693.1% | Added |
| Eversept Partners, LP | 1,715,129 | $10.0M | 0.56% | +285,752+20.0% | Added |
| Renaissance Technologies LLC | 1,794,793 | $10.5M | 0.02% | +104,700+6.2% | Added |
| Jones Financial Companies LLLP | 1,854,755 | $10.8M | 0.01% | −19,148−1.0% | Reduced |
| Oracle Investment Management Inc | 1,872,624 | $10.9M | 7.15% | +368,798+24.5% | Added |
| Northern Trust Corp | 2,019,285 | $11.8M | 0.00% | −98,707−4.7% | Reduced |
| AQR Capital Management LLC | 2,025,083 | $11.8M | 0.01% | −119,041−5.6% | Reduced |
| Jane Street Group, LLC | 2,060,667 | $12.0M | 0.01% | −133,058−6.1% | Reduced |
| Charles Schwab Investment Management Inc | 2,117,293 | $12.3M | 0.00% | −77,461−3.5% | Reduced |
| Bank of America Corp | 2,208,693 | $12.9M | 0.00% | −445,504−16.8% | Reduced |
| Rock Springs Capital Management LP | 2,299,473 | $13.4M | 0.69% | +13,200+0.6% | Added |
| Morgan Stanley | 2,358,806 | $13.8M | 0.00% | −526,534−18.2% | Reduced |
| Two Sigma Investments, LP | 2,873,969 | $16.8M | 0.02% | +383,121+15.4% | Added |
| Goldman Sachs Group Inc | 3,064,746 | $17.9M | 0.00% | +479,869+18.6% | Added |
| Nuveen, LLC | 5,164,549 | $30.1M | 0.01% | −10,404−0.2% | Reduced |
| Marshall Wace, LLP | 5,188,639 | $30.2M | 0.03% | −3,754,403−42.0% | Reduced |
| Geode Capital Management, LLC | 5,827,618 | $34.0M | 0.00% | +70,832+1.2% | Added |
| Nomura Asset Management International Inc. | 9,328,744 | $54.4M | 0.08% | +9,328,744 | New |
| Millennium Management LLC | 11,909,511 | $69.4M | 0.05% | +4,267,524+55.8% | Added |
| State Street Corp | 11,912,339 | $69.4M | 0.00% | +2,193,649+22.6% | Added |
| Janus Henderson Group PLC | 14,514,692 | $84.6M | 0.04% | +690,599+5.0% | Added |
| Vanguard Group Inc | 18,979,483 | $110.7M | 0.00% | +610,162+3.3% | Added |
| BlackRock, Inc. | 21,139,105 | $123.2M | 0.00% | +315,525+1.5% | Added |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −10,455,588−100.0% | Sold out |
| Standard Life Aberdeen plc | 0 | $0 | 0.00% | −865,596−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −667,082−100.0% | Sold out |
| Stonepine Capital Management, LLC | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −165,992−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −162,800−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −115,814−100.0% | Sold out |
| Henshaw Capital LLC | 0 | $0 | 0.00% | −65,757−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −58,759−100.0% | Sold out |
| V. M. Manning & Co., Inc. | 0 | $0 | 0.00% | −41,558−100.0% | Sold out |
| Voleon Capital Management LP | 0 | $0 | 0.00% | −42,259−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −24,148−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −21,365−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −18,653−100.0% | Sold out |
| Polymer Capital Management (US) LLC | 0 | $0 | 0.00% | −14,662−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −13,500−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −12,998−100.0% | Sold out |
| Brighton Jones LLC | 0 | $0 | 0.00% | −12,701−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −1,433−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −1,272−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −1,193−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −966−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Fifth Third Bancorp | 0 | $0 | 0.00% | −151−100.0% | Sold out |
| JPL Wealth Management, LLC | 0 | $0 | 0.00% | −110−100.0% | Sold out |
| Versant Capital Management, Inc | 0 | $0 | 0.00% | −27−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Wolverine Trading, LLC | – | – | – | – | Not filed |
| CIBC Bancorp USA Inc. | – | – | – | – | Not filed |
| Sheets Smith Investment Management | – | – | – | – | Not filed |
| Point72 (DIFC) Ltd | – | – | – | – | Not filed |