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, Q2 2026
Institutional positions in Ardelyx, Inc. as of Jun 30, 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
- 250
- +10 vs. Q1 2026
- Shares held
- 177.5M
- +16.4M (+10.1%) vs. Q1 2026
- Total value
- $906.4M
- −$57.1M (−5.9%) vs. Q1 2026
- New holders
- 44
- 88 more added
- Sold out
- 34
- 87 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | $973.4M |
| Q3 2025 | 223 | $967.8M |
| Q2 2025 | 206 | $657.5M |
| Q1 2025 | 221 | $809.1M |
| Q4 2024 | 213 | $766.7M |
| Q3 2024 | 203 | $985.5M |
| Q2 2024 | 197 | $1.07B |
| Q1 2024 | 189 | $1.07B |
| Q4 2023 | 162 | $871.3M |
| Q3 2023 | 150 | $513.5M |
| Q2 2023 | 146 | $426.0M |
| Q1 2023 | 130 | $550.1M |
| Q4 2022 | 104 | $225.7M |
| Q3 2022 | 83 | $89.5M |
| Q2 2022 | 78 | $22.7M |
| Q1 2022 | 89 | $44.3M |
| Q4 2021 | 100 | $48.9M |
| Q3 2021 | 108 | $66.7M |
| Q2 2021 | 127 | $643.2M |
| Q1 2021 | 125 | $559.7M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Ardelyx, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 23,504,630 | $119.9M | 0.00% | +2,340,498+11.1% | Added |
| Rubric Capital Management LP | 16,202,700 | $82.6M | 0.76% | +14,341,804+770.7% | Added |
| Millennium Management LLC | 13,900,773 | $70.9M | 0.05% | −3,941,597−22.1% | Reduced |
| State Street Corp | 13,356,128 | $68.1M | 0.00% | −248,179−1.8% | Reduced |
| Vanguard Capital Management LLC | 10,471,494 | $53.4M | 0.00% | +105,982+1.0% | Added |
| Nomura Asset Management International Inc. | 9,546,732 | $48.7M | 0.07% | +1,377,363+16.9% | Added |
| Vanguard Portfolio Management LLC | 8,026,774 | $40.9M | 0.00% | +1,365,081+20.5% | Added |
| Geode Capital Management, LLC | 6,401,736 | $32.7M | 0.00% | +394,281+6.6% | Added |
| Jupiter Topco LLC | 5,302,311 | $27.0M | 0.01% | +5,302,311 | New |
| Two Sigma Investments, LP | 5,209,823 | $26.6M | 0.02% | +935,780+21.9% | Added |
| Nuveen, LLC | 3,997,099 | $20.4M | 0.00% | −1,237,584−23.6% | Reduced |
| Goldman Sachs Group Inc | 3,685,034 | $18.8M | 0.00% | +468,824+14.6% | Added |
| AIGH Capital Management LLC | 3,200,000 | $16.3M | 1.48% | +3,200,000 | New |
| Morgan Stanley | 2,389,546 | $12.2M | 0.00% | +680,573+39.8% | Added |
| AQR Capital Management LLC | 2,316,220 | $11.8M | 0.00% | −123,230−5.1% | Reduced |
| Northern Trust Corp | 2,280,143 | $11.6M | 0.00% | +209,096+10.1% | Added |
| Rock Springs Capital Management LP | 2,241,769 | $11.4M | 0.56% | −57,704−2.5% | Reduced |
| Charles Schwab Investment Management Inc | 2,211,760 | $11.3M | 0.00% | +97,662+4.6% | Added |
| Bank of America Corp | 2,163,500 | $11.0M | 0.00% | −173,494−7.4% | Reduced |
| Qube Research & Technologies Ltd | 2,090,675 | $10.7M | 0.01% | −344,873−14.2% | Reduced |
| Jones Financial Companies LLLP | 1,765,932 | $9.80M | 0.00% | −92,959−5.0% | Reduced |
| Vanguard Fiduciary Trust Co | 1,754,819 | $8.95M | 0.00% | +76,708+4.6% | Added |
| Eversept Partners, LP | 1,678,345 | $8.56M | 0.47% | −551,101−24.7% | Reduced |
| J. Goldman & Co LP | 1,579,828 | $8.06M | 0.28% | −1,420,685−47.3% | Reduced |
| Invesco Ltd. | 1,368,868 | $6.98M | 0.00% | +1,056,156+337.7% | Added |
| First Trust Advisors LP | 1,301,624 | $6.64M | 0.00% | −197,174−13.2% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 1,211,690 | $6.18M | 0.18% | +210,209+21.0% | Added |
| Schroder Investment Management Group | 1,161,238 | $6.07M | 0.00% | +741,470+176.6% | Added |
| Citadel Advisors LLC | 1,030,174 | $5.25M | 0.00% | −2,434,600−70.3% | Reduced |
| Susquehanna International Group, LLP | 916,037 | $4.67M | 0.00% | +214,069+30.5% | Added |
| Renaissance Technologies LLC | 892,593 | $4.55M | 0.01% | −379,848−29.9% | Reduced |
| Panagora Asset Management Inc | 890,944 | $4.54M | 0.01% | +890,944 | New |
| BNP Paribas Arbitrage, SA | 810,322 | $4.13M | 0.00% | +111,578+16.0% | Added |
| Deutsche Bank AG | 770,910 | $3.93M | 0.00% | +62,321+8.8% | Added |
| ExodusPoint Capital Management, LP | 752,923 | $3.84M | 0.04% | +752,923 | New |
| Bank of New York Mellon Corp | 749,676 | $3.82M | 0.00% | +48,893+7.0% | Added |
| Squarepoint Ops LLC | 715,262 | $3.65M | 0.01% | +17,978+2.6% | Added |
| Sector Gamma AS | 686,844 | $3.50M | 0.76% | +170,713+33.1% | Added |
| Trexquant Investment LP | 660,586 | $3.37M | 0.02% | −144,148−17.9% | Reduced |
| Redmile Group, LLC | 641,750 | $3.27M | 0.22% | −91,600−12.5% | Reduced |
| Raymond James Financial Inc | 562,672 | $2.87M | 0.00% | +75,960+15.6% | Added |
| UBS Group AG | 551,721 | $2.81M | 0.00% | −136,928−19.9% | Reduced |
| Jump Financial, LLC | 536,981 | $2.74M | 0.02% | +536,981 | New |
| Krensavage Asset Management, LLC | 534,523 | $2.73M | 1.04% | +34,523+6.9% | Added |
| UBS Asset Management Americas Inc | 486,412 | $2.48M | 0.00% | +45,738+10.4% | Added |
| Mackenzie Financial Corp | 474,094 | $2.42M | 0.00% | +474,094 | New |
| Swiss National Bank | 467,600 | $2.38M | 0.00% | −13,200−2.7% | Reduced |
| Hussman Strategic Advisors, Inc. | 420,000 | $2.14M | 0.49% | +420,000 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 411,386 | $2.10M | 0.00% | +54,206+15.2% | Added |
| Price T Rowe Associates Inc | 359,635 | $1.83M | 0.00% | +65,928+22.4% | Added |
| Clay Northam Wealth Management, LLC | 334,115 | $1.70M | 0.84% | +2,150+0.6% | Added |
| Citigroup Inc | 311,021 | $1.59M | 0.00% | +244,885+370.3% | Added |
| Alliancebernstein L.P. | 264,770 | $1.59M | 0.00% | 00.0% | Unchanged |
| Raiffeisen Bank International AG | 300,000 | $1.57M | 0.02% | 00.0% | Unchanged |
| Rhumbline Advisers | 305,800 | $1.56M | 0.00% | +13,960+4.8% | Added |
| Diadema Partners LP | 303,025 | $1.55M | 0.55% | +303,025 | New |
| California State Teachers Retirement System | 295,635 | $1.51M | 0.00% | −7,502−2.5% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 290,254 | $1.48M | 0.03% | −160,484−35.6% | Reduced |
| Wells Fargo & Company | 280,470 | $1.43M | 0.00% | +137,431+96.1% | Added |
| Knott David M Jr | 263,168 | $1.34M | 0.71% | +56,168+27.1% | Added |
| Freestone Grove Partners LP | 253,692 | $1.29M | 0.01% | −1,626,091−86.5% | Reduced |
| JPMorgan Chase & Co | 225,800 | $1.24M | 0.00% | −204,336−47.5% | Reduced |
| Ieq Capital, LLC | 240,798 | $1.23M | 0.01% | −54,697−18.5% | Reduced |
| Headlands Technologies LLC | 240,796 | $1.23M | 0.13% | +18,264+8.2% | Added |
| Pekin Hardy Strauss, Inc. | 226,400 | $1.15M | 0.10% | −29,400−11.5% | Reduced |
| LPL Financial LLC | 210,612 | $1.07M | 0.00% | −708−0.3% | Reduced |
| Thrivent Financial for Lutherans | 210,555 | $1.07M | 0.00% | +14,238+7.3% | Added |
| Rafferty Asset Management, LLC | 206,163 | $1.05M | 0.00% | −201,691−49.5% | Reduced |
| Virtus Investment Advisers, Inc. | 204,373 | $1.04M | 0.24% | +68,419+50.3% | Added |
| Franklin Resources Inc | 201,445 | $1.03M | 0.00% | +16,195+8.7% | Added |
| Monimus Capital Management, LP | 195,611 | $997.6K | 0.25% | −248,164−55.9% | Reduced |
| Legal & General Group Plc | 195,464 | $996.9K | 0.00% | −11,198−5.4% | Reduced |
| Carrera Capital Advisors | 195,159 | $995.3K | 0.15% | +4,015+2.1% | Added |
| Walleye Capital LLC | 171,014 | $872.2K | 0.00% | +171,014 | New |
| Vanguard Asset Management, Ltd | 166,521 | $849.3K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 152,059 | $775.5K | 0.00% | +17,646+13.1% | Added |
| Simplex Trading, LLC | 151,427 | $772.3K | 0.02% | −23,434−13.4% | Reduced |
| State of Wisconsin Investment Board | 143,425 | $731.5K | 0.00% | −16,323−10.2% | Reduced |
| MetLife Investment Management | 142,652 | $727.5K | 0.00% | +9,647+7.3% | Added |
| PFG Investments, LLC | 137,660 | $702.1K | 0.03% | −200−0.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 136,512 | $699.3K | 0.00% | −4,769−3.4% | Reduced |
| CWM Advisors, LLC | 134,251 | $684.7K | 0.03% | +47,433+54.6% | Added |
| Caption Management, LLC | 130,000 | $663.0K | 0.02% | +25,800+24.8% | Added |
| Los Angeles Capital Management LLC | 129,367 | $659.8K | 0.00% | +128,440+13,855.4% | Added |
| Lion Point Capital, LP | 128,650 | $656.1K | 3.14% | 00.0% | Unchanged |
| Sectoral Asset Management Inc | 122,394 | $624.2K | 0.44% | 00.0% | Unchanged |
| Trust Co | 116,369 | $593.5K | 0.05% | +116,369 | New |
| DekaBank Deutsche Girozentrale | 100,000 | $591.0K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 115,790 | $590.5K | 0.00% | +3,400+3.0% | Added |
| Pavaki Capital Management LLC | 115,000 | $586.5K | 0.33% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 112,904 | $575.8K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 105,903 | $540.1K | 0.02% | −14,424−12.0% | Reduced |
| Profund Advisors LLC | 105,338 | $537.2K | 0.01% | −76,723−42.1% | Reduced |
| Manufacturers Life Insurance Company, The | 104,922 | $535.1K | 0.00% | −2,217−2.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 103,494 | $527.8K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 103,174 | $526.0K | 0.00% | −3,627−3.4% | Reduced |
| Russell Investments Group, Ltd. | 102,617 | $523.3K | 0.00% | +46,331+82.3% | Added |
| HSBC Holdings PLC | 100,550 | $509.3K | 0.00% | +6,619+7.0% | Added |
| Acadian Asset Management LLC | 97,921 | $497.0K | 0.00% | −17,413−15.1% | Reduced |
| Diversified Trust Co | 97,247 | $496.0K | 0.01% | +97,247 | New |