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, Q1 2026
Institutional positions in Ardelyx, Inc. as of Mar 31, 2026. 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
- 242
- +18 vs. Q4 2025
- Shares held
- 169.6M
- +23.6M (+16.2%) vs. Q4 2025
- Total value
- $1.01B
- +$163.2M (+19.2%) vs. Q4 2025
- New holders
- 50
- 106 more added
- Sold out
- 32
- 59 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Ardelyx, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Raymond James Financial Inc | 486,712 | $2.92M | 0.00% | +292,943+151.2% | Added |
| Krensavage Asset Management, LLC | 500,000 | $3.00M | 1.17% | +500,000 | New |
| Sector Gamma AS | 516,131 | $3.09M | 0.73% | +516,131 | New |
| UBS Group AG | 688,649 | $4.13M | 0.00% | +110,305+19.1% | Added |
| Squarepoint Ops LLC | 697,284 | $4.18M | 0.01% | +351,142+101.4% | Added |
| BNP Paribas Arbitrage, SA | 698,744 | $4.19M | 0.00% | −302,182−30.2% | Reduced |
| Bank of New York Mellon Corp | 700,783 | $4.20M | 0.00% | −22,375−3.1% | Reduced |
| Susquehanna International Group, LLP | 701,968 | $4.20M | 0.01% | −74,237−9.6% | Reduced |
| Deutsche Bank AG | 708,589 | $4.24M | 0.00% | +208,394+41.7% | Added |
| Redmile Group, LLC | 733,350 | $4.39M | 0.29% | +733,350 | New |
| Trexquant Investment LP | 804,734 | $4.82M | 0.03% | +477,575+146.0% | Added |
| Hennion & Walsh Asset Management, Inc. | 1,001,481 | $6.00M | 0.20% | +41,941+4.4% | Added |
| Jane Street Group, LLC | 1,179,379 | $7.06M | 0.01% | −881,288−42.8% | Reduced |
| Renaissance Technologies LLC | 1,272,441 | $7.62M | 0.01% | −522,352−29.1% | Reduced |
| First Trust Advisors LP | 1,498,798 | $8.98M | 0.01% | +462,306+44.6% | Added |
| Marshall Wace, LLP | 1,600,857 | $9.59M | 0.01% | −3,587,782−69.1% | Reduced |
| Vanguard Fiduciary Trust Co | 1,678,111 | $10.1M | 0.00% | +1,678,111 | New |
| Jones Financial Companies LLLP | 1,858,891 | $10.2M | 0.00% | +4,136+0.2% | Added |
| Morgan Stanley | 1,708,973 | $10.2M | 0.00% | −649,833−27.5% | Reduced |
| Rubric Capital Management LP | 1,860,896 | $11.1M | 0.14% | +1,860,896 | New |
| Freestone Grove Partners LP | 1,879,783 | $11.3M | 0.08% | +1,180,650+168.9% | Added |
| Northern Trust Corp | 2,071,047 | $12.4M | 0.00% | +51,762+2.6% | Added |
| Charles Schwab Investment Management Inc | 2,114,098 | $12.7M | 0.00% | −3,195−0.2% | Reduced |
| Eversept Partners, LP | 2,229,446 | $13.4M | 0.88% | +514,317+30.0% | Added |
| Rock Springs Capital Management LP | 2,299,473 | $13.8M | 0.81% | 00.0% | Unchanged |
| Bank of America Corp | 2,336,994 | $14.0M | 0.00% | +128,301+5.8% | Added |
| Qube Research & Technologies Ltd | 2,435,548 | $14.6M | 0.02% | +1,339,431+122.2% | Added |
| AQR Capital Management LLC | 2,439,450 | $14.6M | 0.01% | +414,367+20.5% | Added |
| Point72 Asset Management, L.P. | 2,984,261 | $17.9M | 0.03% | +2,025,571+211.3% | Added |
| J. Goldman & Co LP | 3,000,513 | $18.0M | 0.83% | +1,377,777+84.9% | Added |
| Goldman Sachs Group Inc | 3,216,210 | $19.3M | 0.00% | +151,464+4.9% | Added |
| Citadel Advisors LLC | 3,464,774 | $20.8M | 0.01% | +2,137,321+161.0% | Added |
| Two Sigma Investments, LP | 4,274,043 | $25.6M | 0.02% | +1,400,074+48.7% | Added |
| Nuveen, LLC | 5,234,683 | $31.4M | 0.01% | +70,134+1.4% | Added |
| Geode Capital Management, LLC | 6,007,455 | $36.0M | 0.00% | +179,837+3.1% | Added |
| Vanguard Portfolio Management LLC | 6,661,693 | $39.9M | 0.00% | +6,661,693 | New |
| Nomura Asset Management International Inc. | 8,169,369 | $48.9M | 0.08% | −1,159,375−12.4% | Reduced |
| Janus Henderson Group PLC | 8,371,234 | $50.1M | 0.02% | −6,143,458−42.3% | Reduced |
| Vanguard Capital Management LLC | 10,365,512 | $62.1M | 0.00% | +10,365,512 | New |
| State Street Corp | 13,604,307 | $81.5M | 0.00% | +1,691,968+14.2% | Added |
| Millennium Management LLC | 17,842,370 | $106.9M | 0.08% | +5,932,859+49.8% | Added |
| BlackRock, Inc. | 21,164,132 | $126.8M | 0.00% | +25,027+0.1% | Added |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −1,424,878−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −1,348,700−100.0% | Sold out |
| AIGH Capital Management LLC | 0 | $0 | 0.00% | −1,150,000−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −659,160−100.0% | Sold out |
| Diadema Partners LP | 0 | $0 | 0.00% | −252,198−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −221,308−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −199,470−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −199,550−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −153,825−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −134,206−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −81,845−100.0% | Sold out |
| GK Wealth Management LLC | 0 | $0 | 0.00% | −74,568−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −63,566−100.0% | Sold out |
| Persistent Asset Partners Ltd | 0 | $0 | 0.00% | −60,490−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −55,731−100.0% | Sold out |
| VARCOV Co. | 0 | $0 | 0.00% | −45,004−100.0% | Sold out |
| Sig Brokerage, LP | 0 | $0 | 0.00% | −31,891−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −29,362−100.0% | Sold out |
| Abel Hall, LLC | 0 | $0 | 0.00% | −15,847−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −13,500−100.0% | Sold out |
| Chicago Trust Co NA | 0 | $0 | 0.00% | −13,200−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −11,001−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −10,788−100.0% | Sold out |
| Palisades Investment Partners, LLC | 0 | $0 | 0.00% | −10,147−100.0% | Sold out |
| Cyndeo Wealth Partners, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −7,529−100.0% | Sold out |
| Kemnay Advisory Services Inc. | 0 | $0 | 0.00% | −2,621−100.0% | Sold out |
| Torren Management, LLC | 0 | $0 | 0.00% | −1,419−100.0% | Sold out |
| Garner Asset Management Corp | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −754−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −33−100.0% | Sold out |
| Concord Wealth Partners | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Oracle Investment Management Inc | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |