ArdelyxARDX
13F holders, Q4 2025 (December 31)229holders +6
32new positions
26sold out
7famous investors
$5.83avg. 13F price*
At the end of Q4 2025, 229 institutions reported holding Ardelyx Inc. (ARDX) in their 13F filings, up 6 from Q3 2025. 32 opened new positions and 26 sold out. The largest holders were BlackRock, Inc. ($123.2M), Vanguard Group Inc. ($110.7M) and Janus Henderson Group PLC ($84.6M). 7 famous investors held it, including Israel Englander (0.1% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Ardelyx Inc.
- CUSIP
- 039697107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 32 | $21.4M |
| Exits | 26 | $71.5M |
All 13F filers, Q3 2025 → Q4 2025: 20,997,253 shares bought and 25,491,320 shares sold, net −4,494,067 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 229 holders
| BlackRock, Inc. | 0.00% | Add +1.5% | 21,139,105 | $123.2M |
| Vanguard Group Inc. | 0.00% | Add +3.3% | 18,979,483 | $110.7M |
| Janus Henderson Group PLC | 0.04% | Add +5.0% | 14,514,692 | $84.6M |
| State Street Corp. | 0.00% | Add +22.6% | 11,912,339 | $69.4M |
| Millennium Management | 0.05% | Add +55.8% | 11,909,511 | $69.4M |
| Nomura Asset Management International Inc. | 0.08% | — | 9,328,744 | $54.4M |
| Geode Capital Management, LLC | 0.00% | Add +1.2% | 5,827,618 | $34.0M |
| Marshall Wace, LLP | 0.03% | Reduce -42.0% | 5,188,639 | $30.2M |
| Nuveen, LLC | 0.01% | Reduce -0.2% | 5,164,549 | $30.1M |
| Goldman Sachs Group Inc. | 0.00% | Add +18.6% | 3,064,746 | $17.9M |
| Two Sigma Investments, LP | 0.03% | Add +15.4% | 2,873,969 | $16.8M |
| Morgan Stanley | 0.00% | Reduce -18.3% | 2,358,806 | $13.8M |
| Rock Springs Capital Management LP | 0.69% | Add +0.6% | 2,299,473 | $13.4M |
| Bank of America Corp. | 0.00% | Reduce -16.8% | 2,208,693 | $12.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -3.5% | 2,117,293 | $12.3M |
| Jane Street Group, LLC | 0.01% | Reduce -6.1% | 2,060,667 | $12.0M |
| AQR Capital Management | 0.01% | Reduce -5.5% | 2,025,083 | $11.8M |
| Northern Trust Corp. | 0.00% | Reduce -4.7% | 2,019,285 | $11.8M |
| Oracle Investment Management Inc. | 7.15% | Add +24.5% | 1,872,624 | $10.9M |
| Jones Financial Companies LLLP | 0.01% | Reduce -1.0% | 1,854,755 | $10.8M |
| Renaissance Technologies | 0.02% | Add +6.2% | 1,794,793 | $10.5M |
| Eversept Partners, LP | 0.56% | Add +20.0% | 1,715,129 | $10.0M |
| J. Goldman & Co LP | 0.37% | Add +1693.1% | 1,622,736 | $9.5M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Add +146.1% | 1,424,878 | $8.3M |
| D. E. Shaw & Co. | 0.01% | Reduce -57.4% | 1,411,267 | $8.2M |
| Two Sigma Advisers, LP | 0.02% | Reduce -16.5% | 1,348,700 | $7.9M |
| Citadel Advisors | 0.01% | Reduce -13.2% | 1,327,453 | $7.7M |
| AIGH Capital Management LLC | 1.98% | Add +479.4% | 1,150,000 | $6.7M |
| Qube Research & Technologies Ltd | 0.01% | New | 1,096,117 | $6.4M |
| First Trust Advisors LP | 0.00% | Add +467.6% | 1,036,492 | $6.0M |
| BNP Paribas Financial Markets | 0.00% | Add +15.7% | 1,000,926 | $5.8M |
| Hennion & Walsh Asset Management, Inc. | 0.19% | Add +23.0% | 959,540 | $5.6M |
| Point72 Asset Management | 0.01% | New | 958,690 | $5.6M |
| Susquehanna International Group, LLP | 0.01% | Add +25.2% | 776,205 | $4.5M |
| Barclays PLC | 0.00% | Add +4.8% | 763,364 | $4.5M |
| JPMorgan Chase & Co. | 0.00% | Reduce -26.6% | 736,190 | $4.3M |
| Bank of New York Mellon Corp | 0.00% | Reduce -2.2% | 723,158 | $4.2M |
| Freestone Grove Partners LP | 0.03% | Add +74.0% | 699,133 | $4.1M |
| FMR LLC | 0.00% | Add +3066.9% | 677,436 | $3.9M |
| Panagora Asset Management Inc. | 0.01% | Reduce -0.1% | 659,160 | $3.8M |
| UBS Group AG | 0.00% | Add +25.4% | 578,344 | $3.4M |
| Deutsche Bank AG | 0.00% | Add +157.8% | 500,195 | $2.9M |
| Y-Intercept (Hong Kong) Ltd | 0.07% | Add +63.0% | 499,668 | $2.9M |
| Swiss National Bank | 0.00% | Add +2.4% | 475,200 | $2.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +16.5% | 431,247 | $2.5M |
| Rafferty Asset Management, LLC | 0.01% | Add +24.0% | 390,214 | $2.3M |
| Prudential Financial Inc. | 0.00% | Reduce -13.4% | 388,840 | $2.3M |
| Schroder Investment Management Group | 0.00% | New | 368,448 | $2.1M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Add +0.7% | 347,609 | $2.0M |
| Squarepoint Ops LLC | 0.00% | Reduce -12.8% | 346,142 | $2.0M |
| Trexquant Investment LP | 0.02% | Reduce -35.1% | 327,159 | $1.9M |
| Wells Fargo & Company | 0.00% | Add +58.2% | 318,413 | $1.9M |
| Invesco Ltd. | 0.00% | Add +23.1% | 317,410 | $1.9M |
| Clay Northam Wealth Management, LLC | 1.02% | Reduce -2.6% | 315,015 | $1.8M |
| Pekin Hardy Strauss, Inc. | 0.16% | Reduce -24.1% | 305,230 | $1.8M |
| Rhumbline Advisers | 0.00% | Reduce -12.6% | 297,924 | $1.7M |
| Capital Fund Management S.A. | 0.02% | Reduce -42.7% | 283,892 | $1.7M |
| Raiffeisen Bank International AG | 0.02% | New | 270,000 | $1.6M |
| Legal & General Group Plc | 0.00% | Reduce -0.3% | 268,263 | $1.6M |
| Alliancebernstein L.P. | 0.00% | No change | 267,340 | $1.6M |
| Diadema Partners LP | 0.88% | Reduce -37.0% | 252,198 | $1.5M |
| Ieq Capital, LLC | 0.00% | Reduce -3.1% | 246,434 | $1.4M |
| T. Rowe Price Associates Inc. | 0.00% | Add +3.1% | 234,466 | $1.4M |
| Walleye Capital LLC | 0.01% | Reduce -81.7% | 221,308 | $1.3M |
| California State Teachers Retirement System | 0.00% | Add +0.0% | 217,662 | $1.3M |
| Jump Financial, LLC | 0.02% | Add +430.5% | 199,470 | $1.2M |
| Headlands Technologies LLC | 0.10% | Add +118.6% | 199,280 | $1.2M |
| Mackenzie Financial Corp. | 0.00% | Add +12.8% | 199,550 | $1.2M |
| State of Wisconsin Investment Board | 0.00% | Reduce -20.1% | 195,944 | $1.1M |
| Monimus Capital Management, LP | 0.75% | Reduce -3.8% | 194,734 | $1.1M |
| Raymond James Financial Inc. | 0.00% | Add +115.3% | 193,769 | $1.1M |
| SG Americas Securities, LLC | 0.00% | Add +30.1% | 171,580 | $1.0M |
| Thrivent Financial for Lutherans | 0.00% | Add +4.1% | 162,786 | $949K |
| LPL Financial LLC | 0.00% | Reduce -1.3% | 159,932 | $932K |
| Franklin Resources Inc. | 0.00% | Reduce -79.5% | 154,698 | $902K |
| Harbor Capital Advisors, Inc. | 0.07% | Add +53.7% | 153,825 | $897K |
| Group One Trading LLC | 0.03% | Add +64.9% | 153,811 | $897K |
| Simplex Trading, LLC | 0.02% | Reduce -27.4% | 151,934 | $886K |
| Profund Advisors LLC | 0.03% | Add +109.8% | 145,333 | $847K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 100,000 | $806K |
| PFG Investments, LLC | 0.04% | Reduce -0.3% | 137,860 | $804K |
| Engineers Gate Manager LP | 0.01% | Reduce -42.8% | 137,582 | $802K |
| Algert Global LLC | 0.01% | Add +56.5% | 134,206 | $782K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +6.6% | 134,029 | $781K |
| Canada Pension Plan Investment Board | 0.00% | New | 131,900 | $769K |
| Lion Point Capital, LP | 3.88% | Reduce -20.9% | 128,650 | $750K |
| Intech Investment Management LLC | 0.01% | Add +9.8% | 124,381 | $725K |
| Man Group plc | 0.00% | Reduce -36.3% | 124,211 | $724K |
| Tudor Investment Corporation | 0.00% | Reduce -1.2% | 123,410 | $719K |
| XTX Topco Ltd | 0.02% | New | 119,643 | $698K |
| MetLife Investment Management, LLC | 0.00% | Reduce -13.3% | 119,103 | $694K |
| Pavaki Capital Management LLC | 0.47% | — | 115,000 | $670K |
| Caption Management, LLC | 0.03% | New | 115,000 | $670K |
| Acadian Asset Management LLC | 0.00% | Add +336.6% | 113,270 | $656K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -5.5% | 110,220 | $643K |
| Virtus Investment Advisers, LLC | 0.17% | Reduce -7.9% | 110,048 | $642K |
| Wellington Management Group LLP | 0.00% | Reduce -2.4% | 100,087 | $584K |
| HSBC Holdings PLC | 0.00% | Add +12.9% | 98,815 | $582K |
| Sei Investments Co. | 0.00% | Reduce -2.9% | 98,424 | $574K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +14.3% | 95,934 | $559K |
"% of holder's portfolio" is ARDX's weight in each manager's 13F, not the share of Ardelyx Inc. the manager owns.