ArdelyxARDX
13F holders, Q3 2025 (September 30)223holders +17
38new positions
20sold out
6famous investors
$5.92avg. 13F price*
At the end of Q3 2025, 223 institutions reported holding Ardelyx Inc. (ARDX) in their 13F filings, up 17 from Q2 2025. 38 opened new positions and 20 sold out. The largest holders were BlackRock, Inc. ($114.7M), Vanguard Group Inc. ($101.2M) and Janus Henderson Group PLC ($76.1M). 6 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Ardelyx Inc.
- CUSIP
- 039697107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 38 | $28.6M |
| Exits | 20 | $14.3M |
All 13F filers, Q2 2025 → Q3 2025: 19,636,057 shares bought and 24,758,590 shares sold, net −5,122,533 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 223 holders
| BlackRock, Inc. | 0.00% | Add +0.4% | 20,823,580 | $114.7M |
| Vanguard Group Inc. | 0.00% | Add +14.6% | 18,369,321 | $101.2M |
| Janus Henderson Group PLC | 0.03% | Reduce -8.2% | 13,824,093 | $76.1M |
| Franklin Resources Inc. | 0.02% | Add +768.0% | 756,131 | $70.9M |
| Macquarie Group Ltd. | 0.07% | Reduce -8.8% | 10,455,588 | $57.6M |
| State Street Corp. | 0.00% | Reduce -1.3% | 9,718,690 | $53.5M |
| Marshall Wace, LLP | 0.05% | Reduce -20.5% | 8,943,042 | $49.3M |
| Millennium Management | 0.03% | Reduce -34.5% | 7,641,987 | $42.1M |
| Geode Capital Management, LLC | 0.00% | Add +1.6% | 5,756,786 | $31.7M |
| Nuveen, LLC | 0.01% | Add +48.3% | 5,174,953 | $28.5M |
| D. E. Shaw & Co. | 0.02% | Add +34.8% | 3,313,050 | $18.3M |
| Morgan Stanley | 0.00% | Add +23.1% | 2,885,340 | $15.9M |
| Bank of America Corp. | 0.00% | Reduce -52.0% | 2,654,197 | $14.6M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -35.4% | 2,584,877 | $14.2M |
| Two Sigma Investments, LP | 0.02% | Add +23.2% | 2,490,848 | $13.7M |
| Rock Springs Capital Management LP | 0.74% | No change | 2,286,273 | $12.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.1% | 2,194,754 | $12.1M |
| Jane Street Group, LLC | 0.01% | Add +185.6% | 2,193,725 | $12.1M |
| AQR Capital Management | 0.01% | Reduce -7.3% | 2,144,124 | $11.8M |
| Northern Trust Corp. | 0.00% | Reduce -0.1% | 2,117,992 | $11.7M |
| Jones Financial Companies LLLP | 0.01% | Add +1.7% | 1,873,903 | $10.4M |
| Renaissance Technologies | 0.01% | Add +29.9% | 1,690,093 | $9.3M |
| Two Sigma Advisers, LP | 0.02% | Add +30.6% | 1,614,600 | $8.9M |
| Citadel Advisors | 0.01% | Reduce -30.9% | 1,528,532 | $8.4M |
| Oracle Investment Management Inc. | 5.78% | Add +5.1% | 1,503,826 | $8.3M |
| Eversept Partners, LP | 0.60% | New | 1,429,377 | $7.9M |
| Walleye Capital LLC | 0.06% | Add +8809.5% | 1,211,071 | $6.7M |
| JPMorgan Chase & Co. | 0.00% | Add +303.1% | 1,003,289 | $5.5M |
| Royal Bank of Canada | 0.00% | Add +1286.0% | 914,329 | $5.0M |
| Aberdeen Group plc | 0.01% | Reduce -22.2% | 865,596 | $4.8M |
| BNP Paribas Financial Markets | 0.00% | Add +1987.6% | 865,258 | $4.8M |
| Hennion & Walsh Asset Management, Inc. | 0.16% | Add +1.3% | 780,348 | $4.3M |
| Bank of New York Mellon Corp | 0.00% | Add +2.0% | 739,388 | $4.1M |
| Barclays PLC | 0.00% | Reduce -18.4% | 728,642 | $4.0M |
| HRT Financial LP | 0.01% | New | 667,082 | $3.7M |
| Panagora Asset Management Inc. | 0.01% | Reduce -0.1% | 659,687 | $3.6M |
| Susquehanna International Group, LLP | 0.01% | Reduce -34.4% | 620,005 | $3.4M |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 579,023 | $3.2M |
| Cubist Systematic Strategies, LLC | 0.04% | New | 569,831 | $3.1M |
| Trexquant Investment LP | 0.03% | Reduce -35.0% | 504,328 | $2.8M |
| Capital Fund Management S.A. | 0.03% | Reduce -30.8% | 495,353 | $2.7M |
| Swiss National Bank | 0.00% | Add +1.1% | 463,900 | $2.6M |
| UBS Group AG | 0.00% | Reduce -48.0% | 461,320 | $2.5M |
| Prudential Financial Inc. | 0.00% | Add +19.9% | 449,215 | $2.5M |
| Pekin Hardy Strauss, Inc. | 0.22% | Reduce -13.2% | 402,230 | $2.2M |
| Freestone Grove Partners LP | 0.02% | Add +155.3% | 401,755 | $2.2M |
| Diadema Partners LP | 1.54% | New | 400,000 | $2.2M |
| Squarepoint Ops LLC | 0.00% | Add +119.6% | 396,820 | $2.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -41.6% | 370,109 | $2.0M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Add +7.0% | 345,077 | $1.9M |
| Rhumbline Advisers | 0.00% | Reduce -2.4% | 340,888 | $1.9M |
| Clay Northam Wealth Management, LLC | 1.02% | Reduce -5.3% | 323,465 | $1.8M |
| Balyasny Asset Management L.P. | 0.00% | Reduce -70.2% | 318,445 | $1.8M |
| Rafferty Asset Management, LLC | 0.01% | Reduce -12.4% | 314,781 | $1.7M |
| Y-Intercept (Hong Kong) Ltd | 0.04% | Add +488.0% | 306,547 | $1.7M |
| Legal & General Group Plc | 0.00% | Reduce -2.3% | 269,141 | $1.5M |
| Alliancebernstein L.P. | 0.00% | Add +1.3% | 267,340 | $1.5M |
| Invesco Ltd. | 0.00% | Add +12.3% | 257,813 | $1.4M |
| Ieq Capital, LLC | 0.00% | Add +29.7% | 254,401 | $1.4M |
| State of Wisconsin Investment Board | 0.00% | Reduce -31.9% | 245,138 | $1.4M |
| Engineers Gate Manager LP | 0.02% | Add +163.5% | 240,390 | $1.3M |
| T. Rowe Price Associates Inc. | 0.00% | Add +9.7% | 227,320 | $1.3M |
| California State Teachers Retirement System | 0.00% | Add +0.0% | 217,643 | $1.2M |
| Simplex Trading, LLC | 0.03% | Add +61.3% | 209,233 | $1.2M |
| Monimus Capital Management, LP | 0.83% | No change | 202,311 | $1.1M |
| Wells Fargo & Company | 0.00% | Add +14.1% | 201,237 | $1.1M |
| Stonepine Capital Management, LLC | 0.90% | Reduce -64.0% | 200,000 | $1.1M |
| AIGH Capital Management LLC | 0.38% | New | 198,500 | $1.1M |
| Man Group plc | 0.00% | Reduce -14.4% | 194,932 | $1.1M |
| Deutsche Bank AG | 0.00% | Add +13.7% | 193,996 | $1.1M |
| First Trust Advisors LP | 0.00% | Reduce -45.6% | 182,600 | $1.0M |
| Mackenzie Financial Corp. | 0.00% | Reduce -19.9% | 176,835 | $974K |
| Arax Advisory Partners | 0.01% | New | 167,299 | $922K |
| Nomura Holdings Inc. | 0.00% | New | 165,992 | $915K |
| Schonfeld Strategic Advisors LLC | 0.01% | Reduce -48.9% | 162,800 | $897K |
| Lion Point Capital, LP | 5.09% | Reduce -51.5% | 162,750 | $897K |
| LPL Financial LLC | 0.00% | Add +28.0% | 162,064 | $893K |
| Dynamic Technology Lab Private Ltd | 0.15% | Add +23.0% | 160,336 | $883K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -23.9% | 156,428 | $862K |
| Oxford Asset Management LLP | 0.28% | Add +627.5% | 151,782 | $836K |
| PFG Investments, LLC | 0.04% | Add +3.8% | 138,295 | $762K |
| MetLife Investment Management, LLC | 0.00% | New | 137,302 | $757K |
| ExodusPoint Capital Management, LP | 0.01% | Reduce -44.8% | 134,856 | $743K |
| SG Americas Securities, LLC | 0.00% | Add +514.6% | 131,925 | $727K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -14.5% | 125,727 | $695K |
| Tudor Investment Corporation | 0.00% | New | 124,939 | $688K |
| Virtus Investment Advisers, LLC | 0.19% | No change | 119,461 | $658K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -3.6% | 116,696 | $643K |
| Capstone Investment Advisors, LLC | 0.01% | New | 115,814 | $638K |
| Cwm, LLC | 0.00% | Add +42.3% | 114,231 | $629K |
| Intech Investment Management LLC | 0.01% | Reduce -32.0% | 113,307 | $624K |
| Wellington Management Group LLP | 0.00% | Add +5.1% | 102,566 | $565K |
| Sei Investments Co. | 0.00% | Add +415.3% | 101,408 | $559K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 100,000 | $558K |
| Harbor Capital Advisors, Inc. | 0.04% | Reduce -57.1% | 100,108 | $552K |
| Gsa Capital Partners LLP | 0.04% | Reduce -33.8% | 93,260 | $514K |
| Group One Trading LLC | 0.02% | Reduce -67.7% | 93,271 | $514K |
| Persistent Asset Partners Ltd | 0.37% | New | 92,046 | $507K |
| Headlands Technologies LLC | 0.04% | New | 91,167 | $502K |
| J. Goldman & Co LP | 0.02% | Reduce -63.2% | 90,500 | $499K |
"% of holder's portfolio" is ARDX's weight in each manager's 13F, not the share of Ardelyx Inc. the manager owns.