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 |
|---|---|---|---|---|---|
| Colony Group, LLC | 31,892 | $191.0K | 0.00% | +7,200+29.2% | Added |
| Lighthouse Investment Partners, LLC | 33,706 | $201.9K | 0.01% | −19,300−36.4% | Reduced |
| Virginia Retirement Systems Et Al | 34,550 | $207.0K | 0.00% | −7,200−17.2% | Reduced |
| Commonwealth Equity Services, LLC | 35,581 | $213.1K | 0.00% | +2,231+6.7% | Added |
| Crux Wealth Advisors | 35,812 | $214.5K | 0.08% | +4,839+15.6% | Added |
| XTX Topco Ltd | 36,756 | $220.2K | 0.00% | −82,887−69.3% | Reduced |
| Schonfeld Strategic Advisors LLC | 39,299 | $235.4K | 0.00% | +39,299 | New |
| Pictet Asset Management Holding SA | 40,610 | $243.3K | 0.00% | +8,131+25.0% | Added |
| Axq Capital, LP | 41,421 | $248.1K | 0.03% | +1,282+3.2% | Added |
| China Universal Asset Management Co., Ltd. | 43,521 | $260.7K | 0.02% | +3,928+9.9% | Added |
| Lazard Asset Management LLC | 44,269 | $265.2K | 0.00% | −988−2.2% | Reduced |
| Creative Planning | 45,043 | $269.8K | 0.00% | +16,607+58.4% | Added |
| ProShare Advisors LLC | 45,707 | $273.8K | 0.00% | −8,824−16.2% | Reduced |
| E Fund Management Co., Ltd. | 51,268 | $307.1K | 0.01% | +51,268 | New |
| KLP Kapitalforvaltning AS | 51,600 | $309.1K | 0.00% | 00.0% | Unchanged |
| DRW Securities, LLC | 53,820 | $322.4K | 0.02% | +53,820 | New |
| Quarry LP | 55,000 | $329.4K | 0.07% | +55,000 | New |
| STRS Ohio | 55,300 | $331.2K | 0.00% | +27,800+101.1% | Added |
| Virtu Financial LLC | 56,057 | $336.0K | 0.01% | +56,057 | New |
| Vise Technologies, Inc. | 57,638 | $336.0K | 0.01% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 56,286 | $337.2K | 0.00% | +29,170+107.6% | Added |
| Rockefeller Capital Management L.P. | 57,430 | $344.0K | 0.00% | +57,428+2,871,400.0% | Added |
| Root Financial Partners, LLC | 57,539 | $344.7K | 0.02% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 60,232 | $360.8K | 0.00% | +21,720+56.4% | Added |
| State Board of Administration of Florida Retirement System | 60,780 | $364.1K | 0.00% | 00.0% | Unchanged |
| Vanguard Investments Australia, Ltd. | 61,084 | $365.9K | 0.00% | +61,084 | New |
| Barclays PLC | 62,397 | $373.8K | 0.00% | −700,967−91.8% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 65,211 | $390.6K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 66,136 | $396.2K | 0.00% | +4,320+7.0% | Added |
| Arizona State Retirement System | 66,740 | $399.8K | 0.00% | −1,249−1.8% | Reduced |
| Cerity Partners LLC | 68,765 | $411.9K | 0.00% | +9,406+15.8% | Added |
| Mariner, LLC | 70,498 | $422.1K | 0.00% | +35,056+98.9% | Added |
| Brevan Howard Capital Management LP | 74,100 | $443.9K | 0.00% | +4,677+6.7% | Added |
| New York State Common Retirement Fund | 75,544 | $452.5K | 0.00% | +16,400+27.7% | Added |
| Man Group plc | 79,602 | $476.8K | 0.00% | −44,609−35.9% | Reduced |
| PSP Research LLC | 80,000 | $479.2K | 0.34% | +80,000 | New |
| State of New Jersey Common Pension Fund D | 83,038 | $497.4K | 0.00% | +83,038 | New |
| Intech Investment Management LLC | 84,904 | $508.6K | 0.01% | −39,477−31.7% | Reduced |
| CWM Advisors, LLC | 86,818 | $520.0K | 0.03% | +7,009+8.8% | Added |
| Wealth Enhancement Advisory Services, LLC | 91,558 | $543.9K | 0.00% | +22,111+31.8% | Added |
| HSBC Holdings PLC | 93,931 | $560.8K | 0.00% | −4,884−4.9% | Reduced |
| Wellington Management Group LLP | 95,184 | $570.2K | 0.00% | −4,903−4.9% | Reduced |
| Voya Investment Management LLC | 97,865 | $586.2K | 0.00% | +55,005+128.3% | Added |
| DekaBank Deutsche Girozentrale | 100,000 | $603.0K | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 101,378 | $607.3K | 0.00% | −22,032−17.9% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 103,494 | $619.9K | 0.00% | +7,560+7.9% | Added |
| Caption Management, LLC | 104,200 | $624.2K | 0.03% | −10,800−9.4% | Reduced |
| Engineers Gate Manager LP | 105,109 | $629.6K | 0.01% | −32,473−23.6% | Reduced |
| SG Americas Securities, LLC | 106,801 | $640.0K | 0.00% | −64,779−37.8% | Reduced |
| Manufacturers Life Insurance Company, The | 107,139 | $641.8K | 0.00% | −3,081−2.8% | Reduced |
| Canada Pension Plan Investment Board | 111,700 | $669.1K | 0.00% | −20,200−15.3% | Reduced |
| Prudential Financial Inc | 112,390 | $673.2K | 0.00% | −276,450−71.1% | Reduced |
| Vanguard Global Advisers, LLC | 112,904 | $676.3K | 0.00% | +112,904 | New |
| Acadian Asset Management LLC | 115,334 | $687.0K | 0.00% | +2,064+1.8% | Added |
| Pavaki Capital Management LLC | 115,000 | $688.9K | 0.48% | 00.0% | Unchanged |
| CWM, LLC | 117,430 | $703.4K | 0.00% | +24,981+27.0% | Added |
| Group One Trading, L.P. | 120,327 | $720.8K | 0.02% | −33,484−21.8% | Reduced |
| FMR LLC | 126,306 | $756.6K | 0.00% | −551,130−81.4% | Reduced |
| Lion Point Capital, LP | 128,650 | $770.6K | 4.61% | 00.0% | Unchanged |
| Sectoral Asset Management Inc | 122,394 | $781.1K | 0.65% | +122,394 | New |
| MetLife Investment Management | 133,005 | $796.7K | 0.00% | +13,902+11.7% | Added |
| SEI Investments Co | 134,413 | $805.1K | 0.00% | +35,989+36.6% | Added |
| Virtus Investment Advisers, Inc. | 135,954 | $814.4K | 0.22% | +25,906+23.5% | Added |
| PFG Investments, LLC | 137,860 | $825.8K | 0.04% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 141,281 | $833.6K | 0.00% | +7,252+5.4% | Added |
| Wells Fargo & Company | 143,039 | $856.8K | 0.00% | −175,374−55.1% | Reduced |
| State of Wisconsin Investment Board | 159,748 | $956.9K | 0.00% | −36,196−18.5% | Reduced |
| Capital Fund Management S.A. | 165,498 | $991.3K | 0.01% | −118,394−41.7% | Reduced |
| Vanguard Asset Management, Ltd | 166,521 | $997.5K | 0.00% | +166,521 | New |
| Simplex Trading, LLC | 174,861 | $1.05M | 0.03% | +22,927+15.1% | Added |
| Profund Advisors LLC | 182,061 | $1.09M | 0.04% | +36,728+25.3% | Added |
| Franklin Resources Inc | 185,250 | $1.11M | 0.00% | +30,552+19.7% | Added |
| Carrera Capital Advisors | 191,144 | $1.14M | 0.18% | +191,144 | New |
| Thrivent Financial for Lutherans | 196,317 | $1.18M | 0.00% | +33,531+20.6% | Added |
| Balyasny Asset Management LLC | 200,221 | $1.20M | 0.00% | +182,999+1,062.6% | Added |
| Legal & General Group Plc | 206,662 | $1.24M | 0.00% | −61,601−23.0% | Reduced |
| Knott David M Jr | 207,000 | $1.24M | 0.74% | +207,000 | New |
| LPL Financial LLC | 211,320 | $1.27M | 0.00% | +51,388+32.1% | Added |
| Headlands Technologies LLC | 222,532 | $1.33M | 0.15% | +23,252+11.7% | Added |
| Pekin Hardy Strauss, Inc. | 255,800 | $1.53M | 0.16% | −49,430−16.2% | Reduced |
| Alliancebernstein L.P. | 264,770 | $1.54M | 0.00% | −2,570−1.0% | Reduced |
| Raiffeisen Bank International AG | 300,000 | $1.67M | 0.02% | +30,000+11.1% | Added |
| Rhumbline Advisers | 291,840 | $1.75M | 0.00% | −6,084−2.0% | Reduced |
| Price T Rowe Associates Inc | 293,707 | $1.76M | 0.00% | +59,241+25.3% | Added |
| Ieq Capital, LLC | 295,495 | $1.77M | 0.01% | +49,061+19.9% | Added |
| California State Teachers Retirement System | 303,137 | $1.82M | 0.00% | +85,475+39.3% | Added |
| Invesco Ltd. | 312,712 | $1.87M | 0.00% | −4,698−1.5% | Reduced |
| D. E. Shaw & Co., Inc. | 313,961 | $1.88M | 0.00% | −1,097,306−77.8% | Reduced |
| HRT Financial LP | 325,124 | $1.95M | 0.00% | +325,124 | New |
| Clay Northam Wealth Management, LLC | 331,965 | $1.99M | 1.12% | +16,950+5.4% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 357,180 | $2.14M | 0.00% | +9,571+2.8% | Added |
| Schroder Investment Management Group | 419,768 | $2.33M | 0.00% | +51,320+13.9% | Added |
| JPMorgan Chase & Co | 430,136 | $2.39M | 0.00% | −306,054−41.6% | Reduced |
| Rafferty Asset Management, LLC | 407,854 | $2.44M | 0.01% | +17,640+4.5% | Added |
| UBS Asset Management Americas Inc | 440,674 | $2.64M | 0.00% | +9,427+2.2% | Added |
| Monimus Capital Management, LP | 443,775 | $2.66M | 0.74% | +249,041+127.9% | Added |
| Y-Intercept (Hong Kong) Ltd | 450,738 | $2.70M | 0.05% | −48,930−9.8% | Reduced |
| Ishara Investments LP | 451,000 | $2.70M | 2.73% | +451,000 | New |
| Gsa Capital Partners LLP | 473,061 | $2.83M | 0.18% | +411,913+673.6% | Added |
| Swiss National Bank | 480,800 | $2.88M | 0.00% | +5,600+1.2% | Added |