2m 2m 2m 2m 2m 2m 2m
Ardelyx (ARDX)
NASDAQ
$3.60+$0.02 (+0.59%)
Price as of Sep 11, 2026 7:56 PM EDT- $924.3MMarket Cap
- -45.84%1-Year Change
- BiotechnologyIndustry
Ardelyx (ARDX)
$3.60+$0.02 (+0.59%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK, INC. | 9.51% | 23.5M | +2.3M (+9.96%) | Jun 30, 2026 |
VANGUARD GROUP INC | 7.68% | 19.0M | +610,162 (+3.21%) | Dec 31, 2025 |
BLACKROCK FUNDING, INC. /DE | 7.50% | 18.5M | +694,542 (+3.75%) | Dec 31, 2024 |
BLACKROCK INC. | 7.11% | 17.6M | +456,522 (+2.60%) | Jun 30, 2024 |
RUBRIC CAPITAL MANAGEMENT LP | 6.56% | 16.2M | +14.3M (+88.51%) | Jun 30, 2026 |
MILLENNIUM MANAGEMENT LLC | 5.63% | 13.9M | -3.9M (-28.36%) | Jun 30, 2026 |
STATE STREET CORP | 5.41% | 13.4M | -248,179 (-1.86%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 4.14% | 10.2M | +128,569 (+1.26%) | Jun 30, 2026 |
iSHARES TRUST | 3.66% | 9.0M | +863,363 (+9.55%) | Jun 30, 2026 |
SPDR SERIES TRUST | 3.00% | 7.4M | -247,657 (-3.34%) | Jun 30, 2026 |
DELAWARE GROUP EQUITY FUNDS V | 2.54% | 6.3M | +6.3M (+100.00%) | May 29, 2026 |
MUTUAL FUND SERIES TRUST | 2.26% | 5.6M | 0 (0.00%) | Jun 30, 2026 |
VANGUARD HORIZON FUNDS | 1.41% | 3.5M | +848,693 (+24.40%) | Jun 30, 2026 |
TIAA-CREF FUNDS | 1.22% | 3.0M | +68,660 (+2.27%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions2.4B (75.61%)
- Mutual Funds690.3M (21.96%)
- Insiders76.4M (2.43%)
- Other0 (0.00%)
Insider Transactions
- 2.43% (76.4M)Current InsiderOwnership (%, shares)
- 1Number of InsiderBuying (last 12 months)
- $17.3MAmount of InsiderBuying (last 12 months)
- 9Number of InsiderSelling (last 12 months)
- $159.3MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
RAAB MICHAEL President & CEO | Sell | Aug 21, 2026 | $57,888.21 | 15,009 | $3.86 | 1.7M |
Brady James Parker Chief Human Resources Officer | Sell | Aug 21, 2026 | $7,621.23 | 1,976 | $3.86 | 259,090 |
Kelliher Mike Chief Business Officer | Sell | Aug 21, 2026 | $11,971.82 | 3,104 | $3.86 | 354,314 |
Brady James Parker Chief Human Resources Officer | Sell | Aug 21, 2026 | $50,756.80 | 13,160 | $3.86 | 245,930 |
RAAB MICHAEL President & CEO | Sell | Aug 21, 2026 | $61,617.83 | 15,976 | $3.86 | 1.6M |
Kelliher Mike Chief Business Officer | Sell | Aug 21, 2026 | $10,228.50 | 2,652 | $3.86 | 351,662 |
RAAB MICHAEL President & CEO | Sell | Aug 21, 2026 | $32,440.39 | 8,411 | $3.86 | 1.6M |
Kelliher Mike Chief Business Officer | Sell | Aug 21, 2026 | $7,721.51 | 2,002 | $3.86 | 349,660 |
RAAB MICHAEL President & CEO | Sell | Aug 21, 2026 | $73,967.63 | 19,178 | $3.86 | 1.6M |
Williams Laura A Chief Patient Officer | Exempt | Jun 18, 2026 | $0.00 | 31,000 | $0.00 | 31,000 |
Williams Laura A Chief Patient Officer | Exempt | Jun 18, 2026 | $30,690.00 | 31,000 | $0.99 | 460,093 |
Williams Laura A Chief Patient Officer | Sell | Jun 18, 2026 | $490,487.12 | 81,898 | $5.99 | 378,195 |
Cadoret-Manier Onaiza | Award | Jun 16, 2026 | $0.00 | 39,715 | $0.00 | 39,715 |
Bertrand William C JR | Award | Jun 16, 2026 | $0.00 | 39,715 | $0.00 | 39,715 |
Parsey Merdad | Award | Jun 16, 2026 | $0.00 | 39,715 | $0.00 | 39,715 |
Bertrand William C JR | Award | Jun 16, 2026 | $0.00 | 12,345 | $0.00 | 303,052 |
Cadoret-Manier Onaiza | Award | Jun 16, 2026 | $0.00 | 26,455 | $0.00 | 178,156 |
Bertrand William C JR | Award | Jun 16, 2026 | $0.00 | 26,455 | $0.00 | 329,507 |
Bhanji Muna | Award | Jun 16, 2026 | $0.00 | 39,715 | $0.00 | 39,715 |
Parsey Merdad | Award | Jun 16, 2026 | $0.00 | 26,455 | $0.00 | 83,746 |
Bhanji Muna | Award | Jun 16, 2026 | $0.00 | 26,455 | $0.00 | 163,808 |
RAAB MICHAEL President & CEO | Exempt | Jun 15, 2026 | $0.00 | 20,833 | $0.00 | 311,668 |
RAAB MICHAEL President & CEO | Exempt | Jun 15, 2026 | $20,624.67 | 20,833 | $0.99 | 1.7M |
RAAB MICHAEL President & CEO | Sell | Jun 15, 2026 | $236,346.22 | 41,666 | $5.67 | 1.7M |
RAAB MICHAEL President & CEO | Exempt | Mar 16, 2026 | $0.00 | 20,833 | $0.00 | 374,168 |
RAAB MICHAEL President & CEO | Exempt | Mar 16, 2026 | $20,624.67 | 20,833 | $0.99 | 1.9M |
RAAB MICHAEL President & CEO | Sell | Mar 16, 2026 | $243,329.44 | 41,666 | $5.84 | 1.8M |
RAAB MICHAEL President & CEO | Exempt | Feb 24, 2026 | $0.00 | 20,833 | $0.00 | 395,001 |
RAAB MICHAEL President & CEO | Exempt | Feb 24, 2026 | $20,624.67 | 20,833 | $0.99 | 1.9M |
RAAB MICHAEL President & CEO | Sell | Feb 24, 2026 | $260,620.83 | 41,666 | $6.25 | 1.8M |