ArdelyxARDX
13F holders, Q1 2026 (March 31)242holders +13
41new positions
31sold out
8famous investors
$5.98avg. 13F price*
At the end of Q1 2026, 242 institutions reported holding Ardelyx Inc. (ARDX) in their 13F filings, up 13 from Q4 2025. 41 opened new positions and 31 sold out. The largest holders were BlackRock, Inc. ($126.8M), Millennium Management ($106.9M) and State Street Corp. ($81.5M). 8 famous investors held it, including Israel Englander (0.1% of Millennium Management's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Ardelyx Inc.
- CUSIP
- 039697107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 41 | $33.4M |
| Exits | 31 | $28.8M |
All 13F filers, Q4 2025 → Q1 2026: 28,072,886 shares bought and 22,260,417 shares sold, net +5,812,469 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 242 holders
| BlackRock, Inc. | 0.00% | Add +0.1% | 21,164,132 | $126.8M |
| Millennium Management | 0.08% | Add +49.8% | 17,842,370 | $106.9M |
| State Street Corp. | 0.00% | Add +14.2% | 13,604,307 | $81.5M |
| Vanguard Capital Management LLC | 0.00% | — | 10,365,512 | $62.1M |
| Janus Henderson Group PLC | 0.02% | Reduce -42.3% | 8,371,234 | $50.1M |
| Nomura Asset Management International Inc. | 0.08% | Reduce -12.4% | 8,169,369 | $48.9M |
| Vanguard Portfolio Management LLC | 0.00% | — | 6,661,693 | $39.9M |
| Geode Capital Management, LLC | 0.00% | Add +3.1% | 6,007,455 | $36.0M |
| Nuveen, LLC | 0.01% | Add +1.4% | 5,234,683 | $31.4M |
| Two Sigma Investments, LP | 0.02% | Add +48.7% | 4,274,043 | $25.6M |
| Citadel Advisors | 0.01% | Add +161.0% | 3,464,774 | $20.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +4.9% | 3,216,210 | $19.3M |
| J. Goldman & Co LP | 0.83% | Add +84.9% | 3,000,513 | $18.0M |
| Point72 Asset Management | 0.03% | Add +211.3% | 2,984,261 | $17.9M |
| AQR Capital Management | 0.01% | Add +20.5% | 2,439,450 | $14.6M |
| Qube Research & Technologies Ltd | 0.02% | Add +122.2% | 2,435,548 | $14.6M |
| Bank of America Corp. | 0.00% | Add +5.8% | 2,336,994 | $14.0M |
| Rock Springs Capital Management LP | 0.81% | No change | 2,299,473 | $13.8M |
| Eversept Partners, LP | 0.88% | Add +30.0% | 2,229,446 | $13.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.1% | 2,114,098 | $12.7M |
| Northern Trust Corp. | 0.00% | Add +2.6% | 2,071,047 | $12.4M |
| Freestone Grove Partners LP | 0.08% | Add +168.9% | 1,879,783 | $11.3M |
| Rubric Capital Management LP | 0.14% | New | 1,860,896 | $11.1M |
| Morgan Stanley | 0.00% | Reduce -27.6% | 1,708,973 | $10.2M |
| Jones Financial Companies LLLP | 0.00% | Add +0.2% | 1,858,891 | $10.2M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 1,678,111 | $10.1M |
| Marshall Wace, LLP | 0.01% | Reduce -69.2% | 1,600,857 | $9.6M |
| First Trust Advisors LP | 0.01% | Add +44.6% | 1,498,798 | $9.0M |
| Renaissance Technologies | 0.01% | Reduce -29.1% | 1,272,441 | $7.6M |
| Jane Street Group, LLC | 0.01% | Reduce -42.8% | 1,179,379 | $7.1M |
| Hennion & Walsh Asset Management, Inc. | 0.20% | Add +4.4% | 1,001,481 | $6.0M |
| Trexquant Investment LP | 0.03% | Add +146.0% | 804,734 | $4.8M |
| Redmile Group, LLC | 0.29% | New | 733,350 | $4.4M |
| Deutsche Bank AG | 0.00% | Add +41.7% | 708,589 | $4.2M |
| Susquehanna International Group, LLP | 0.01% | Reduce -9.6% | 701,968 | $4.2M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.1% | 700,783 | $4.2M |
| BNP Paribas Financial Markets | 0.00% | Reduce -30.2% | 698,744 | $4.2M |
| Squarepoint Ops LLC | 0.01% | Add +101.4% | 697,284 | $4.2M |
| UBS Group AG | 0.00% | Add +19.1% | 688,649 | $4.1M |
| Sector Gamma As | 0.73% | New | 516,131 | $3.1M |
| Krensavage Asset Management, LLC | 1.17% | New | 500,000 | $3.0M |
| Raymond James Financial Inc. | 0.00% | Add +151.2% | 486,712 | $2.9M |
| Swiss National Bank | 0.00% | Add +1.2% | 480,800 | $2.9M |
| Gsa Capital Partners LLP | 0.18% | Add +673.6% | 473,061 | $2.8M |
| Ishara Investments LP | 2.73% | New | 451,000 | $2.7M |
| Y-Intercept (Hong Kong) Ltd | 0.05% | Reduce -9.8% | 450,738 | $2.7M |
| Monimus Capital Management, LP | 0.74% | Add +127.9% | 443,775 | $2.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +2.2% | 440,674 | $2.6M |
| Rafferty Asset Management, LLC | 0.01% | Add +4.5% | 407,854 | $2.4M |
| JPMorgan Chase & Co. | 0.00% | Reduce -41.6% | 430,136 | $2.4M |
| Schroder Investment Management Group | 0.00% | Add +13.9% | 419,768 | $2.3M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Add +2.8% | 357,180 | $2.1M |
| Clay Northam Wealth Management, LLC | 1.12% | Add +5.4% | 331,965 | $2.0M |
| HRT Financial LP | 0.00% | New | 325,124 | $1.9M |
| D. E. Shaw & Co. | 0.00% | Reduce -77.8% | 313,961 | $1.9M |
| Invesco Ltd. | 0.00% | Reduce -1.5% | 312,712 | $1.9M |
| California State Teachers Retirement System | 0.00% | Add +39.3% | 303,137 | $1.8M |
| Ieq Capital, LLC | 0.01% | Add +19.9% | 295,495 | $1.8M |
| T. Rowe Price Associates Inc. | 0.00% | Add +25.3% | 293,707 | $1.8M |
| Rhumbline Advisers | 0.00% | Reduce -2.0% | 291,840 | $1.7M |
| Raiffeisen Bank International AG | 0.02% | Add +11.1% | 300,000 | $1.7M |
| Alliancebernstein L.P. | 0.00% | Reduce -1.0% | 264,770 | $1.5M |
| Pekin Hardy Strauss, Inc. | 0.16% | Reduce -16.2% | 255,800 | $1.5M |
| Headlands Technologies LLC | 0.15% | Add +11.7% | 222,532 | $1.3M |
| LPL Financial LLC | 0.00% | Add +32.1% | 211,320 | $1.3M |
| Knott David M Jr | 0.74% | New | 207,000 | $1.2M |
| Legal & General Group Plc | 0.00% | Reduce -23.0% | 206,662 | $1.2M |
| Balyasny Asset Management L.P. | 0.00% | Add +1062.6% | 200,221 | $1.2M |
| Thrivent Financial for Lutherans | 0.00% | Add +20.6% | 196,317 | $1.2M |
| Carrera Capital Advisors | 0.18% | New | 191,144 | $1.1M |
| Franklin Resources Inc. | 0.00% | Add +19.8% | 185,250 | $1.1M |
| Profund Advisors LLC | 0.04% | Add +25.3% | 182,061 | $1.1M |
| Simplex Trading, LLC | 0.03% | Add +15.1% | 174,861 | $1.0M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 166,521 | $997K |
| Capital Fund Management S.A. | 0.01% | Reduce -41.7% | 165,498 | $991K |
| State of Wisconsin Investment Board | 0.00% | Reduce -18.5% | 159,748 | $957K |
| Wells Fargo & Company | 0.00% | Reduce -55.1% | 143,039 | $857K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +5.4% | 141,281 | $834K |
| PFG Investments, LLC | 0.04% | No change | 137,860 | $826K |
| Virtus Investment Advisers, LLC | 0.22% | Add +23.5% | 135,954 | $814K |
| Sei Investments Co. | 0.00% | Add +36.6% | 134,413 | $805K |
| MetLife Investment Management, LLC | 0.00% | Add +11.7% | 133,005 | $797K |
| Sectoral Asset Management Inc. | 0.65% | New | 122,394 | $781K |
| Lion Point Capital, LP | 4.61% | No change | 128,650 | $771K |
| FMR LLC | 0.00% | Reduce -81.4% | 126,306 | $757K |
| Group One Trading LLC | 0.02% | Reduce -21.8% | 120,327 | $721K |
| Cwm, LLC | 0.00% | Add +27.0% | 117,430 | $703K |
| Pavaki Capital Management LLC | 0.48% | No change | 115,000 | $689K |
| Acadian Asset Management LLC | 0.00% | Add +1.8% | 115,334 | $687K |
| Vanguard Global Advisers, LLC | 0.00% | — | 112,904 | $676K |
| Prudential Financial Inc. | 0.00% | Reduce -71.1% | 112,390 | $673K |
| Canada Pension Plan Investment Board | 0.00% | Reduce -15.3% | 111,700 | $669K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -2.8% | 107,139 | $642K |
| SG Americas Securities, LLC | 0.00% | Reduce -37.8% | 106,801 | $640K |
| Engineers Gate Manager LP | 0.01% | Reduce -23.6% | 105,109 | $630K |
| Caption Management, LLC | 0.03% | Reduce -9.4% | 104,200 | $624K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +7.9% | 103,494 | $620K |
| Tudor Investment Corporation | 0.00% | Reduce -17.9% | 101,378 | $607K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 100,000 | $603K |
| Voya Investment Management LLC | 0.00% | Add +128.3% | 97,865 | $586K |
"% of holder's portfolio" is ARDX's weight in each manager's 13F, not the share of Ardelyx Inc. the manager owns.