Ardelyx, Inc. ARDX
3.14 USD +0.10 (+3.47%)
Nov 4, 2026, 10:24 AM EST
3.14 Day range 3.41
2.96 52-week range 8.40
- YTD
- -46.23%
- 1 year
- -44.02%
Held by funds
85 US ETFs and mutual funds hold ARDX · largest positions
Ownership
Held by insiders 3.23%
Held by institutions 73.33%
Float held by institutions 75.78%
Institutions 332
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Blackrock Inc. | 9.43% | 23,504,630 | 91.43M | Jun 29, 2026 |
| Rubric Capital Management LP | 6.50% | 16,202,700 | 63.03M | Jun 29, 2026 |
| Millennium Management Llc | 5.58% | 13,900,773 | 54.07M | Jun 29, 2026 |
| State Street Corporation | 5.36% | 13,356,128 | 51.96M | Jun 29, 2026 |
| Vanguard Capital Management LLC | 4.20% | 10,471,494 | 40.73M | Jun 29, 2026 |
| Nomura Asset Management International Inc | 3.83% | 9,546,732 | 37.14M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 2.97% | 7,404,867 | 28.80M | Mar 30, 2026 |
| SPDR SERIES TRUST-State Street SPDR S&P Biotech ETF | 2.97% | 7,389,361 | 28.74M | Jun 29, 2026 |
| iShares Trust-iShares Russell 2000 ETF | 2.57% | 6,400,256 | 24.90M | Jun 29, 2026 |
| Delaware Group Equity Funds V-Nomura Small Cap Core Fund | 2.51% | 6,265,909 | 24.37M | May 30, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 1.08% | 2,702,696 | 10.51M | Mar 30, 2026 |
| Fidelity Salem Street Trust-Fidelity Small Cap Index Fund | 0.96% | 2,392,375 | 9.31M | May 30, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| BERTRAND WILLIAM C JR | Director | Stock Award(Grant) | Jun 15, 2026 | 329,507 |
| BISHOP JOHN E | Officer | Sale | May 20, 2026 | 336,845 |
| FOSTER ERIC DUANE | Officer | Sale | May 20, 2026 | 417,972 |
| KELLIHER MICHAEL | Officer | Sale | May 20, 2026 | 357,418 |
| MOTT DAVID M | Director | Stock Award(Grant) | Jun 15, 2026 | 3,349,660 |
| RAAB MICHAEL G | Chief Executive Officer | Sale | Jul 14, 2026 | 1,703,730 |