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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 21,139,105 | $123.2M | 0.00% | +315,525+1.5% | Added |
| Vanguard Group Inc | 18,979,483 | $110.7M | 0.00% | +610,162+3.3% | Added |
| Janus Henderson Group PLC | 14,514,692 | $84.6M | 0.04% | +690,599+5.0% | Added |
| State Street Corp | 11,912,339 | $69.4M | 0.00% | +2,193,649+22.6% | Added |
| Millennium Management LLC | 11,909,511 | $69.4M | 0.05% | +4,267,524+55.8% | Added |
| Nomura Asset Management International Inc. | 9,328,744 | $54.4M | 0.08% | +9,328,744 | New |
| Geode Capital Management, LLC | 5,827,618 | $34.0M | 0.00% | +70,832+1.2% | Added |
| Marshall Wace, LLP | 5,188,639 | $30.2M | 0.03% | −3,754,403−42.0% | Reduced |
| Nuveen, LLC | 5,164,549 | $30.1M | 0.01% | −10,404−0.2% | Reduced |
| Goldman Sachs Group Inc | 3,064,746 | $17.9M | 0.00% | +479,869+18.6% | Added |
| Two Sigma Investments, LP | 2,873,969 | $16.8M | 0.02% | +383,121+15.4% | Added |
| Morgan Stanley | 2,358,806 | $13.8M | 0.00% | −526,534−18.2% | Reduced |
| Rock Springs Capital Management LP | 2,299,473 | $13.4M | 0.69% | +13,200+0.6% | Added |
| Bank of America Corp | 2,208,693 | $12.9M | 0.00% | −445,504−16.8% | Reduced |
| Charles Schwab Investment Management Inc | 2,117,293 | $12.3M | 0.00% | −77,461−3.5% | Reduced |
| Jane Street Group, LLC | 2,060,667 | $12.0M | 0.01% | −133,058−6.1% | Reduced |
| AQR Capital Management LLC | 2,025,083 | $11.8M | 0.01% | −119,041−5.6% | Reduced |
| Northern Trust Corp | 2,019,285 | $11.8M | 0.00% | −98,707−4.7% | Reduced |
| Oracle Investment Management Inc | 1,872,624 | $10.9M | 7.15% | +368,798+24.5% | Added |
| Jones Financial Companies LLLP | 1,854,755 | $10.8M | 0.01% | −19,148−1.0% | Reduced |
| Renaissance Technologies LLC | 1,794,793 | $10.5M | 0.02% | +104,700+6.2% | Added |
| Eversept Partners, LP | 1,715,129 | $10.0M | 0.56% | +285,752+20.0% | Added |
| J. Goldman & Co LP | 1,622,736 | $9.46M | 0.37% | +1,532,236+1,693.1% | Added |
| Arrowstreet Capital, Limited Partnership | 1,424,878 | $8.31M | 0.00% | +845,855+146.1% | Added |
| D. E. Shaw & Co., Inc. | 1,411,267 | $8.23M | 0.01% | −1,901,783−57.4% | Reduced |
| Two Sigma Advisers, LP | 1,348,700 | $7.86M | 0.02% | −265,900−16.5% | Reduced |
| Citadel Advisors LLC | 1,327,453 | $7.74M | 0.01% | −201,079−13.2% | Reduced |
| AIGH Capital Management LLC | 1,150,000 | $6.70M | 1.98% | +951,500+479.3% | Added |
| Qube Research & Technologies Ltd | 1,096,117 | $6.39M | 0.01% | +1,096,117 | New |
| First Trust Advisors LP | 1,036,492 | $6.04M | 0.00% | +853,892+467.6% | Added |
| BNP Paribas Arbitrage, SA | 1,000,926 | $5.84M | 0.00% | +135,668+15.7% | Added |
| Hennion & Walsh Asset Management, Inc. | 959,540 | $5.59M | 0.19% | +179,192+23.0% | Added |
| Point72 Asset Management, L.P. | 958,690 | $5.59M | 0.01% | +958,690 | New |
| Susquehanna International Group, LLP | 776,205 | $4.53M | 0.01% | +156,200+25.2% | Added |
| Barclays PLC | 763,364 | $4.45M | 0.00% | +34,722+4.8% | Added |
| JPMorgan Chase & Co | 736,190 | $4.29M | 0.00% | −267,099−26.6% | Reduced |
| Bank of New York Mellon Corp | 723,158 | $4.22M | 0.00% | −16,230−2.2% | Reduced |
| Freestone Grove Partners LP | 699,133 | $4.08M | 0.03% | +297,378+74.0% | Added |
| FMR LLC | 677,436 | $3.95M | 0.00% | +656,045+3,066.9% | Added |
| Panagora Asset Management Inc | 659,160 | $3.84M | 0.01% | −527−0.1% | Reduced |
| UBS Group AG | 578,344 | $3.37M | 0.00% | +117,024+25.4% | Added |
| Deutsche Bank AG | 500,195 | $2.92M | 0.00% | +306,199+157.8% | Added |
| Y-Intercept (Hong Kong) Ltd | 499,668 | $2.91M | 0.07% | +193,121+63.0% | Added |
| Swiss National Bank | 475,200 | $2.77M | 0.00% | +11,300+2.4% | Added |
| UBS Asset Management Americas Inc | 431,247 | $2.51M | 0.00% | +61,138+16.5% | Added |
| Rafferty Asset Management, LLC | 390,214 | $2.27M | 0.01% | +75,433+24.0% | Added |
| Prudential Financial Inc | 388,840 | $2.27M | 0.00% | −60,375−13.4% | Reduced |
| Schroder Investment Management Group | 368,448 | $2.14M | 0.00% | +368,448 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 347,609 | $2.03M | 0.00% | +2,532+0.7% | Added |
| Squarepoint Ops LLC | 346,142 | $2.02M | 0.00% | −50,678−12.8% | Reduced |
| Trexquant Investment LP | 327,159 | $1.91M | 0.02% | −177,169−35.1% | Reduced |
| Wells Fargo & Company | 318,413 | $1.86M | 0.00% | +117,176+58.2% | Added |
| Invesco Ltd. | 317,410 | $1.85M | 0.00% | +59,597+23.1% | Added |
| Clay Northam Wealth Management, LLC | 315,015 | $1.84M | 1.02% | −8,450−2.6% | Reduced |
| Pekin Hardy Strauss, Inc. | 305,230 | $1.78M | 0.16% | −97,000−24.1% | Reduced |
| Rhumbline Advisers | 297,924 | $1.74M | 0.00% | −42,964−12.6% | Reduced |
| Capital Fund Management S.A. | 283,892 | $1.66M | 0.02% | −211,461−42.7% | Reduced |
| Raiffeisen Bank International AG | 270,000 | $1.57M | 0.02% | +270,000 | New |
| Legal & General Group Plc | 268,263 | $1.56M | 0.00% | −878−0.3% | Reduced |
| Alliancebernstein L.P. | 267,340 | $1.56M | 0.00% | 00.0% | Unchanged |
| Diadema Partners LP | 252,198 | $1.47M | 0.88% | −147,802−37.0% | Reduced |
| Ieq Capital, LLC | 246,434 | $1.44M | 0.00% | −7,967−3.1% | Reduced |
| Price T Rowe Associates Inc | 234,466 | $1.37M | 0.00% | +7,146+3.1% | Added |
| Walleye Capital LLC | 221,308 | $1.29M | 0.01% | −989,763−81.7% | Reduced |
| California State Teachers Retirement System | 217,662 | $1.27M | 0.00% | +190.0% | Added |
| Jump Financial, LLC | 199,470 | $1.16M | 0.01% | +161,870+430.5% | Added |
| Headlands Technologies LLC | 199,280 | $1.16M | 0.10% | +108,113+118.6% | Added |
| Mackenzie Financial Corp | 199,550 | $1.16M | 0.00% | +22,715+12.8% | Added |
| State of Wisconsin Investment Board | 195,944 | $1.14M | 0.00% | −49,194−20.1% | Reduced |
| Monimus Capital Management, LP | 194,734 | $1.14M | 0.75% | −7,577−3.7% | Reduced |
| Raymond James Financial Inc | 193,769 | $1.13M | 0.00% | +103,787+115.3% | Added |
| SG Americas Securities, LLC | 171,580 | $1.00M | 0.00% | +39,655+30.1% | Added |
| Thrivent Financial for Lutherans | 162,786 | $949.0K | 0.00% | +6,358+4.1% | Added |
| LPL Financial LLC | 159,932 | $932.4K | 0.00% | −2,132−1.3% | Reduced |
| Franklin Resources Inc | 154,698 | $901.9K | 0.00% | −601,433−79.5% | Reduced |
| Harbor Capital Advisors, Inc. | 153,825 | $897.0K | 0.07% | +53,717+53.7% | Added |
| Group One Trading, L.P. | 153,811 | $896.7K | 0.03% | +60,540+64.9% | Added |
| Simplex Trading, LLC | 151,934 | $885.8K | 0.02% | −57,299−27.4% | Reduced |
| Profund Advisors LLC | 145,333 | $847.3K | 0.03% | +76,071+109.8% | Added |
| DekaBank Deutsche Girozentrale | 100,000 | $806.0K | 0.00% | 00.0% | Unchanged |
| PFG Investments, LLC | 137,860 | $803.7K | 0.04% | −435−0.3% | Reduced |
| Engineers Gate Manager LP | 137,582 | $802.1K | 0.01% | −102,808−42.8% | Reduced |
| Algert Global LLC | 134,206 | $782.4K | 0.01% | +48,470+56.5% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 134,029 | $780.7K | 0.00% | +8,302+6.6% | Added |
| Canada Pension Plan Investment Board | 131,900 | $769.0K | 0.00% | +131,900 | New |
| Lion Point Capital, LP | 128,650 | $750.0K | 3.88% | −34,100−21.0% | Reduced |
| Intech Investment Management LLC | 124,381 | $725.1K | 0.01% | +11,074+9.8% | Added |
| Man Group plc | 124,211 | $724.1K | 0.00% | −70,721−36.3% | Reduced |
| Tudor Investment Corp Et Al | 123,410 | $719.5K | 0.00% | −1,529−1.2% | Reduced |
| XTX Topco Ltd | 119,643 | $697.5K | 0.02% | +119,643 | New |
| MetLife Investment Management | 119,103 | $694.4K | 0.00% | −18,199−13.3% | Reduced |
| Caption Management, LLC | 115,000 | $670.5K | 0.03% | +115,000 | New |
| Pavaki Capital Management LLC | 115,000 | $670.5K | 0.47% | +115,000 | New |
| Acadian Asset Management LLC | 113,270 | $656.0K | 0.00% | +87,328+336.6% | Added |
| Manufacturers Life Insurance Company, The | 110,220 | $642.6K | 0.00% | −6,476−5.5% | Reduced |
| Virtus Investment Advisers, Inc. | 110,048 | $641.6K | 0.17% | −9,413−7.9% | Reduced |
| Wellington Management Group LLP | 100,087 | $583.5K | 0.00% | −2,479−2.4% | Reduced |
| HSBC Holdings PLC | 98,815 | $581.5K | 0.00% | +11,317+12.9% | Added |
| SEI Investments Co | 98,424 | $573.8K | 0.00% | −2,984−2.9% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 95,934 | $559.3K | 0.00% | +11,987+14.3% | Added |