ArdelyxARDX
13F holders, Q2 2026 (June 30)250holders +8
40new positions
34sold out
5famous investors
$5.11avg. 13F price*
At the end of Q2 2026, 250 institutions reported holding Ardelyx Inc. (ARDX) in their 13F filings, up 8 from Q1 2026. 40 opened new positions and 34 sold out. The largest holders were BlackRock, Inc. ($119.9M), Rubric Capital Management LP ($82.6M) and Millennium Management ($70.9M). 5 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Ardelyx Inc.
- CUSIP
- 039697107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 40 | $38.9M |
| Exits | 34 | $35.1M |
All 13F filers, Q1 2026 → Q2 2026: 34,070,429 shares bought and 23,072,709 shares sold, net +10,997,720 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 250 holders
| BlackRock, Inc. | 0.00% | Add +11.1% | 23,504,630 | $119.9M |
| Rubric Capital Management LP | 0.76% | Add +770.7% | 16,202,700 | $82.6M |
| Millennium Management | 0.05% | Reduce -22.1% | 13,900,773 | $70.9M |
| State Street Corp. | 0.00% | Reduce -1.8% | 13,356,128 | $68.1M |
| Vanguard Capital Management LLC | 0.00% | Add +1.0% | 10,471,494 | $53.4M |
| Nomura Asset Management International Inc. | 0.07% | Add +16.9% | 9,546,732 | $48.7M |
| Vanguard Portfolio Management LLC | 0.00% | Add +20.5% | 8,026,774 | $40.9M |
| Geode Capital Management, LLC | 0.00% | Add +6.6% | 6,401,736 | $32.7M |
| Jupiter Topco LLC | 0.01% | — | 5,302,311 | $27.0M |
| Two Sigma Investments, LP | 0.02% | Add +21.9% | 5,209,823 | $26.6M |
| Nuveen, LLC | 0.00% | Reduce -23.6% | 3,997,099 | $20.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +14.6% | 3,685,034 | $18.8M |
| AIGH Capital Management LLC | 1.48% | New | 3,200,000 | $16.3M |
| Morgan Stanley | 0.00% | Add +39.8% | 2,389,546 | $12.2M |
| AQR Capital Management | 0.00% | Reduce -5.0% | 2,316,220 | $11.8M |
| Northern Trust Corp. | 0.00% | Add +10.1% | 2,280,143 | $11.6M |
| Rock Springs Capital Management LP | 0.56% | Reduce -2.5% | 2,241,769 | $11.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +4.6% | 2,211,760 | $11.3M |
| Bank of America Corp. | 0.00% | Reduce -7.4% | 2,163,500 | $11.0M |
| Qube Research & Technologies Ltd | 0.01% | Reduce -14.2% | 2,090,675 | $10.7M |
| Jones Financial Companies LLLP | 0.00% | Reduce -5.0% | 1,765,932 | $9.8M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +4.6% | 1,754,819 | $8.9M |
| Eversept Partners, LP | 0.47% | Reduce -24.7% | 1,678,345 | $8.6M |
| J. Goldman & Co LP | 0.28% | Reduce -47.4% | 1,579,828 | $8.1M |
| Invesco Ltd. | 0.00% | Add +337.7% | 1,368,868 | $7.0M |
| First Trust Advisors LP | 0.00% | Reduce -13.2% | 1,301,624 | $6.6M |
| Hennion & Walsh Asset Management, Inc. | 0.18% | Add +21.0% | 1,211,690 | $6.2M |
| Schroder Investment Management Group | 0.00% | Add +176.6% | 1,161,238 | $6.1M |
| Citadel Advisors | 0.00% | Reduce -70.3% | 1,030,174 | $5.3M |
| Susquehanna International Group, LLP | 0.00% | Add +30.5% | 916,037 | $4.7M |
| Renaissance Technologies | 0.01% | Reduce -29.9% | 892,593 | $4.6M |
| Panagora Asset Management Inc. | 0.01% | New | 890,944 | $4.5M |
| BNP Paribas Financial Markets | 0.00% | Add +16.0% | 810,322 | $4.1M |
| Deutsche Bank AG | 0.00% | Add +8.8% | 770,910 | $3.9M |
| ExodusPoint Capital Management, LP | 0.04% | New | 752,923 | $3.8M |
| Bank of New York Mellon Corp | 0.00% | Add +7.0% | 749,676 | $3.8M |
| Squarepoint Ops LLC | 0.01% | Add +2.6% | 715,262 | $3.6M |
| Sector Gamma As | 0.76% | Add +33.1% | 686,844 | $3.5M |
| Trexquant Investment LP | 0.02% | Reduce -17.9% | 660,586 | $3.4M |
| Redmile Group, LLC | 0.22% | Reduce -12.5% | 641,750 | $3.3M |
| Raymond James Financial Inc. | 0.00% | Add +15.6% | 562,672 | $2.9M |
| UBS Group AG | 0.00% | Reduce -19.9% | 551,721 | $2.8M |
| Jump Financial, LLC | 0.03% | New | 536,981 | $2.7M |
| Krensavage Asset Management, LLC | 1.04% | Add +6.9% | 534,523 | $2.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +10.4% | 486,412 | $2.5M |
| Mackenzie Financial Corp. | 0.00% | New | 474,094 | $2.4M |
| Swiss National Bank | 0.00% | Reduce -2.8% | 467,600 | $2.4M |
| Hussman Strategic Advisors, Inc. | 0.49% | New | 420,000 | $2.1M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Add +15.2% | 411,386 | $2.1M |
| T. Rowe Price Associates Inc. | 0.00% | Add +22.4% | 359,635 | $1.8M |
| Clay Northam Wealth Management, LLC | 0.84% | Add +0.7% | 334,115 | $1.7M |
| Citigroup Inc. | 0.00% | Add +370.3% | 311,021 | $1.6M |
| Alliancebernstein L.P. | 0.00% | No change | 264,770 | $1.6M |
| Raiffeisen Bank International AG | 0.02% | No change | 300,000 | $1.6M |
| Rhumbline Advisers | 0.00% | Add +4.8% | 305,800 | $1.6M |
| Diadema Partners LP | 0.58% | New | 303,025 | $1.5M |
| California State Teachers Retirement System | 0.00% | Reduce -2.5% | 295,635 | $1.5M |
| Y-Intercept (Hong Kong) Ltd | 0.03% | Reduce -35.6% | 290,254 | $1.5M |
| Wells Fargo & Company | 0.00% | Add +96.1% | 280,470 | $1.4M |
| Knott David M Jr | 0.71% | Add +27.1% | 263,168 | $1.3M |
| Freestone Grove Partners LP | 0.01% | Reduce -86.5% | 253,692 | $1.3M |
| JPMorgan Chase & Co. | 0.00% | Reduce -47.5% | 225,800 | $1.2M |
| Ieq Capital, LLC | 0.01% | Reduce -18.5% | 240,798 | $1.2M |
| Headlands Technologies LLC | 0.13% | Add +8.2% | 240,796 | $1.2M |
| Pekin Hardy Strauss, Inc. | 0.10% | Reduce -11.5% | 226,400 | $1.2M |
| LPL Financial LLC | 0.00% | Reduce -0.3% | 210,612 | $1.1M |
| Thrivent Financial for Lutherans | 0.00% | Add +7.3% | 210,555 | $1.1M |
| Rafferty Asset Management, LLC | 0.00% | Reduce -49.5% | 206,163 | $1.1M |
| Virtus Investment Advisers, LLC | 0.24% | Add +50.3% | 204,373 | $1.0M |
| Franklin Resources Inc. | 0.00% | Add +8.7% | 201,445 | $1.0M |
| Monimus Capital Management, LP | 0.25% | Reduce -55.9% | 195,611 | $998K |
| Legal & General Group Plc | 0.00% | Reduce -5.4% | 195,464 | $997K |
| Carrera Capital Advisors | 0.15% | Add +2.1% | 195,159 | $995K |
| Walleye Capital LLC | 0.00% | New | 171,014 | $872K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | No change | 166,521 | $849K |
| Sei Investments Co. | 0.00% | Add +13.1% | 152,059 | $776K |
| Simplex Trading, LLC | 0.02% | Reduce -13.4% | 151,427 | $772K |
| State of Wisconsin Investment Board | 0.00% | Reduce -10.2% | 143,425 | $731K |
| MetLife Investment Management, LLC | 0.00% | Add +7.3% | 142,652 | $728K |
| PFG Investments, LLC | 0.03% | Reduce -0.1% | 137,660 | $702K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -3.4% | 136,512 | $699K |
| Inspire Investing, LLC | 0.03% | Add +54.6% | 134,251 | $685K |
| Caption Management, LLC | 0.02% | Add +24.8% | 130,000 | $663K |
| Los Angeles Capital Management LLC | 0.00% | Add +13855.5% | 129,367 | $660K |
| Lion Point Capital, LP | 3.14% | No change | 128,650 | $656K |
| Sectoral Asset Management Inc. | 0.44% | No change | 122,394 | $624K |
| Trust Co | 0.05% | New | 116,369 | $593K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 100,000 | $591K |
| Prudential Financial Inc. | 0.00% | Add +3.0% | 115,790 | $591K |
| Pavaki Capital Management LLC | 0.33% | No change | 115,000 | $587K |
| Vanguard Global Advisers, LLC | 0.00% | No change | 112,904 | $576K |
| Group One Trading LLC | 0.02% | Reduce -12.0% | 105,903 | $540K |
| Profund Advisors LLC | 0.01% | Reduce -42.1% | 105,338 | $537K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -2.1% | 104,922 | $535K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 103,494 | $528K |
| SG Americas Securities, LLC | 0.00% | Reduce -3.4% | 103,174 | $526K |
| Russell Investments Group, Ltd. | 0.00% | Add +82.3% | 102,617 | $523K |
| HSBC Holdings PLC | 0.00% | Add +7.0% | 100,550 | $509K |
| Acadian Asset Management LLC | 0.00% | Reduce -15.1% | 97,921 | $497K |
| Diversified Trust Co. | 0.01% | New | 97,247 | $496K |
"% of holder's portfolio" is ARDX's weight in each manager's 13F, not the share of Ardelyx Inc. the manager owns.