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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 21,164,132 | $126.8M | 0.00% | +25,027+0.1% | Added |
| Millennium Management LLC | 17,842,370 | $106.9M | 0.08% | +5,932,859+49.8% | Added |
| State Street Corp | 13,604,307 | $81.5M | 0.00% | +1,691,968+14.2% | Added |
| Vanguard Capital Management LLC | 10,365,512 | $62.1M | 0.00% | +10,365,512 | New |
| Janus Henderson Group PLC | 8,371,234 | $50.1M | 0.02% | −6,143,458−42.3% | Reduced |
| Nomura Asset Management International Inc. | 8,169,369 | $48.9M | 0.08% | −1,159,375−12.4% | Reduced |
| Vanguard Portfolio Management LLC | 6,661,693 | $39.9M | 0.00% | +6,661,693 | New |
| Geode Capital Management, LLC | 6,007,455 | $36.0M | 0.00% | +179,837+3.1% | Added |
| Nuveen, LLC | 5,234,683 | $31.4M | 0.01% | +70,134+1.4% | Added |
| Two Sigma Investments, LP | 4,274,043 | $25.6M | 0.02% | +1,400,074+48.7% | Added |
| Citadel Advisors LLC | 3,464,774 | $20.8M | 0.01% | +2,137,321+161.0% | Added |
| Goldman Sachs Group Inc | 3,216,210 | $19.3M | 0.00% | +151,464+4.9% | Added |
| J. Goldman & Co LP | 3,000,513 | $18.0M | 0.83% | +1,377,777+84.9% | Added |
| Point72 Asset Management, L.P. | 2,984,261 | $17.9M | 0.03% | +2,025,571+211.3% | Added |
| AQR Capital Management LLC | 2,439,450 | $14.6M | 0.01% | +414,367+20.5% | Added |
| Qube Research & Technologies Ltd | 2,435,548 | $14.6M | 0.02% | +1,339,431+122.2% | Added |
| Bank of America Corp | 2,336,994 | $14.0M | 0.00% | +128,301+5.8% | Added |
| Rock Springs Capital Management LP | 2,299,473 | $13.8M | 0.81% | 00.0% | Unchanged |
| Eversept Partners, LP | 2,229,446 | $13.4M | 0.88% | +514,317+30.0% | Added |
| Charles Schwab Investment Management Inc | 2,114,098 | $12.7M | 0.00% | −3,195−0.2% | Reduced |
| Northern Trust Corp | 2,071,047 | $12.4M | 0.00% | +51,762+2.6% | Added |
| Freestone Grove Partners LP | 1,879,783 | $11.3M | 0.08% | +1,180,650+168.9% | Added |
| Rubric Capital Management LP | 1,860,896 | $11.1M | 0.14% | +1,860,896 | New |
| Morgan Stanley | 1,708,973 | $10.2M | 0.00% | −649,833−27.5% | Reduced |
| Jones Financial Companies LLLP | 1,858,891 | $10.2M | 0.00% | +4,136+0.2% | Added |
| Vanguard Fiduciary Trust Co | 1,678,111 | $10.1M | 0.00% | +1,678,111 | New |
| Marshall Wace, LLP | 1,600,857 | $9.59M | 0.01% | −3,587,782−69.1% | Reduced |
| First Trust Advisors LP | 1,498,798 | $8.98M | 0.01% | +462,306+44.6% | Added |
| Renaissance Technologies LLC | 1,272,441 | $7.62M | 0.01% | −522,352−29.1% | Reduced |
| Jane Street Group, LLC | 1,179,379 | $7.06M | 0.01% | −881,288−42.8% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 1,001,481 | $6.00M | 0.20% | +41,941+4.4% | Added |
| Trexquant Investment LP | 804,734 | $4.82M | 0.03% | +477,575+146.0% | Added |
| Redmile Group, LLC | 733,350 | $4.39M | 0.29% | +733,350 | New |
| Deutsche Bank AG | 708,589 | $4.24M | 0.00% | +208,394+41.7% | Added |
| Susquehanna International Group, LLP | 701,968 | $4.20M | 0.01% | −74,237−9.6% | Reduced |
| Bank of New York Mellon Corp | 700,783 | $4.20M | 0.00% | −22,375−3.1% | Reduced |
| BNP Paribas Arbitrage, SA | 698,744 | $4.19M | 0.00% | −302,182−30.2% | Reduced |
| Squarepoint Ops LLC | 697,284 | $4.18M | 0.01% | +351,142+101.4% | Added |
| UBS Group AG | 688,649 | $4.13M | 0.00% | +110,305+19.1% | Added |
| Sector Gamma AS | 516,131 | $3.09M | 0.73% | +516,131 | New |
| Krensavage Asset Management, LLC | 500,000 | $3.00M | 1.17% | +500,000 | New |
| Raymond James Financial Inc | 486,712 | $2.92M | 0.00% | +292,943+151.2% | Added |
| Swiss National Bank | 480,800 | $2.88M | 0.00% | +5,600+1.2% | Added |
| Gsa Capital Partners LLP | 473,061 | $2.83M | 0.18% | +411,913+673.6% | Added |
| Ishara Investments LP | 451,000 | $2.70M | 2.73% | +451,000 | New |
| Y-Intercept (Hong Kong) Ltd | 450,738 | $2.70M | 0.05% | −48,930−9.8% | Reduced |
| Monimus Capital Management, LP | 443,775 | $2.66M | 0.74% | +249,041+127.9% | Added |
| UBS Asset Management Americas Inc | 440,674 | $2.64M | 0.00% | +9,427+2.2% | Added |
| Rafferty Asset Management, LLC | 407,854 | $2.44M | 0.01% | +17,640+4.5% | Added |
| JPMorgan Chase & Co | 430,136 | $2.39M | 0.00% | −306,054−41.6% | Reduced |
| Schroder Investment Management Group | 419,768 | $2.33M | 0.00% | +51,320+13.9% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 357,180 | $2.14M | 0.00% | +9,571+2.8% | Added |
| Clay Northam Wealth Management, LLC | 331,965 | $1.99M | 1.12% | +16,950+5.4% | Added |
| HRT Financial LP | 325,124 | $1.95M | 0.00% | +325,124 | New |
| D. E. Shaw & Co., Inc. | 313,961 | $1.88M | 0.00% | −1,097,306−77.8% | Reduced |
| Invesco Ltd. | 312,712 | $1.87M | 0.00% | −4,698−1.5% | Reduced |
| California State Teachers Retirement System | 303,137 | $1.82M | 0.00% | +85,475+39.3% | Added |
| Ieq Capital, LLC | 295,495 | $1.77M | 0.01% | +49,061+19.9% | Added |
| Price T Rowe Associates Inc | 293,707 | $1.76M | 0.00% | +59,241+25.3% | Added |
| Rhumbline Advisers | 291,840 | $1.75M | 0.00% | −6,084−2.0% | Reduced |
| Raiffeisen Bank International AG | 300,000 | $1.67M | 0.02% | +30,000+11.1% | Added |
| Alliancebernstein L.P. | 264,770 | $1.54M | 0.00% | −2,570−1.0% | Reduced |
| Pekin Hardy Strauss, Inc. | 255,800 | $1.53M | 0.16% | −49,430−16.2% | Reduced |
| Headlands Technologies LLC | 222,532 | $1.33M | 0.15% | +23,252+11.7% | Added |
| LPL Financial LLC | 211,320 | $1.27M | 0.00% | +51,388+32.1% | Added |
| Knott David M Jr | 207,000 | $1.24M | 0.74% | +207,000 | New |
| Legal & General Group Plc | 206,662 | $1.24M | 0.00% | −61,601−23.0% | Reduced |
| Balyasny Asset Management LLC | 200,221 | $1.20M | 0.00% | +182,999+1,062.6% | Added |
| Thrivent Financial for Lutherans | 196,317 | $1.18M | 0.00% | +33,531+20.6% | Added |
| Carrera Capital Advisors | 191,144 | $1.14M | 0.18% | +191,144 | New |
| Franklin Resources Inc | 185,250 | $1.11M | 0.00% | +30,552+19.7% | Added |
| Profund Advisors LLC | 182,061 | $1.09M | 0.04% | +36,728+25.3% | Added |
| Simplex Trading, LLC | 174,861 | $1.05M | 0.03% | +22,927+15.1% | Added |
| Vanguard Asset Management, Ltd | 166,521 | $997.5K | 0.00% | +166,521 | New |
| Capital Fund Management S.A. | 165,498 | $991.3K | 0.01% | −118,394−41.7% | Reduced |
| State of Wisconsin Investment Board | 159,748 | $956.9K | 0.00% | −36,196−18.5% | Reduced |
| Wells Fargo & Company | 143,039 | $856.8K | 0.00% | −175,374−55.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 141,281 | $833.6K | 0.00% | +7,252+5.4% | Added |
| PFG Investments, LLC | 137,860 | $825.8K | 0.04% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 135,954 | $814.4K | 0.22% | +25,906+23.5% | Added |
| SEI Investments Co | 134,413 | $805.1K | 0.00% | +35,989+36.6% | Added |
| MetLife Investment Management | 133,005 | $796.7K | 0.00% | +13,902+11.7% | Added |
| Sectoral Asset Management Inc | 122,394 | $781.1K | 0.65% | +122,394 | New |
| Lion Point Capital, LP | 128,650 | $770.6K | 4.61% | 00.0% | Unchanged |
| FMR LLC | 126,306 | $756.6K | 0.00% | −551,130−81.4% | Reduced |
| Group One Trading, L.P. | 120,327 | $720.8K | 0.02% | −33,484−21.8% | Reduced |
| CWM, LLC | 117,430 | $703.4K | 0.00% | +24,981+27.0% | Added |
| Pavaki Capital Management LLC | 115,000 | $688.9K | 0.48% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 115,334 | $687.0K | 0.00% | +2,064+1.8% | Added |
| Vanguard Global Advisers, LLC | 112,904 | $676.3K | 0.00% | +112,904 | New |
| Prudential Financial Inc | 112,390 | $673.2K | 0.00% | −276,450−71.1% | Reduced |
| Canada Pension Plan Investment Board | 111,700 | $669.1K | 0.00% | −20,200−15.3% | Reduced |
| Manufacturers Life Insurance Company, The | 107,139 | $641.8K | 0.00% | −3,081−2.8% | Reduced |
| SG Americas Securities, LLC | 106,801 | $640.0K | 0.00% | −64,779−37.8% | Reduced |
| Engineers Gate Manager LP | 105,109 | $629.6K | 0.01% | −32,473−23.6% | Reduced |
| Caption Management, LLC | 104,200 | $624.2K | 0.03% | −10,800−9.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 103,494 | $619.9K | 0.00% | +7,560+7.9% | Added |
| Tudor Investment Corp Et Al | 101,378 | $607.3K | 0.00% | −22,032−17.9% | Reduced |
| DekaBank Deutsche Girozentrale | 100,000 | $603.0K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 97,865 | $586.2K | 0.00% | +55,005+128.3% | Added |