Who Owns Ardelyx, Inc. (ARDX)?Hedge Fund & Institutional Holders
Institutional Holders
50
as of Q4 2025
Total Institutional Value
$InfinityT
% of Float Held
Infinity%
QoQ Change in Holders
+6 / -3
Price History
ARDX — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| MILLENNIUM MANAGEMENT LLC | Increased | +4.3M | +$26.9B |
| JONES FINANCIAL COMPANIES LLLP | New Position | +1.9M | +$10.0B |
| J. Goldman & Co LP | Increased | +1.5M | +$9.0B |
| JANUS HENDERSON GROUP PLC | Increased | +691K | +$6.9B |
| AIGH Capital Management LLC | New Position | +1.1M | +$6.7B |
| Hennion & Walsh Asset Management, Inc. | New Position | +960K | +$5.6B |
| Point72 Asset Management, L.P. | New Position | +959K | +$5.0B |
| FIRST TRUST ADVISORS LP | Increased | +854K | +$5.0B |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Increased | +846K | +$4.8B |
| FMR LLC | Increased | +656K | +$3.0B |
| ORACLE INVESTMENT MANAGEMENT INC | Increased | +369K | +$2.6B |
| TWO SIGMA INVESTMENTS, LP | Increased | +383K | +$2.3B |
| Eversept Partners, LP | Increased | +286K | +$2.1B |
| Universal- Beteiligungs- und Servicegesellschaft mbH | New Position | +348K | +$2.0B |
| SCHRODER INVESTMENT MANAGEMENT GROUP | New Position | +368K | +$2.0B |
ARDX — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| FRANKLIN RESOURCES INC | Decreased | -601K | -$70.9B |
| MACQUARIE GROUP LTD | Closed Position | -10.5M | -$57.6B |
| MARSHALL WACE, LLP | Decreased | -3.8M | -$49.2B |
| JANE STREET GROUP, LLC | Decreased | -133K | -$12.1B |
| D. E. Shaw & Co., Inc. | Decreased | -1.9M | -$11.3B |
| Walleye Capital LLC | Decreased | -990K | -$6.7B |
| ROYAL BANK OF CANADA | Decreased | -906K | -$5.0B |
| Aberdeen Group plc | Closed Position | -866K | -$4.8B |
| Cubist Systematic Strategies, LLC | Closed Position | -570K | -$3.1B |
| Trexquant Investment LP | Decreased | -177K | -$2.8B |
| JPMORGAN CHASE & CO | Decreased | -267K | -$2.5B |
| Squarepoint Ops LLC | Decreased | -51K | -$2.2B |
| TWO SIGMA ADVISERS, LP | Decreased | -266K | -$1.9B |
| BALYASNY ASSET MANAGEMENT L.P. | Decreased | -301K | -$1.8B |
| CAPITAL FUND MANAGEMENT S.A. | Decreased | -211K | -$1.7B |
Top Institutional Holders(Q4 2025)
ARDX Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 226 | $435.0B | +51 |
| Q3 2025 | 175 | $578.5B | +2 |
| Q2 2025 | 173 | $332.8B | -44 |
| Q1 2025 | 217 | $650.9B | +12 |
| Q4 2024 | 205 | $928.5B | +37 |
| Q3 2024 | 168 | $21.4T | +8 |
| Q2 2024 | 160 | $20.9T | +8 |
| Q1 2024 | 152 | $773.1T | — |
Similar Stocks by Institutional Ownership
As of Q4 2025, 50 institutional investors hold ARDX (Ardelyx, Inc.). The largest holder is JANUS HENDERSON GROUP PLC with $83.0B in shares. This quarter, 6 institutions opened new positions and 3 closed their positions.
Frequently Asked Questions
How many hedge funds own ARDX?
As of Q4 2025, 50 institutional investors report holding ARDX (Ardelyx, Inc.) in their 13F filings.
Who is the largest institutional holder of ARDX?
The largest institutional holder of ARDX is JANUS HENDERSON GROUP PLC with $83.0B in shares.
Is institutional ownership of ARDX increasing or decreasing?
This quarter, 6 institutions opened new positions in ARDX and 3 closed their positions.