ARDX
Ardelyx (ARDX)
NASDAQ
$3.17+$0.04 (+1.28%)
Price as of Nov 12, 2026 9:06 AM EST
  • $786.8M
    Market Cap
  • -48.18%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
9.35%
23.5M
+2.3M (+9.96%)
Jun 30, 2026
VANGUARD GROUP INC
7.55%
19.0M
+610,162 (+3.21%)
Dec 31, 2025
BLACKROCK FUNDING, INC. /DE
7.37%
18.5M
+694,542 (+3.75%)
Dec 31, 2024
BLACKROCK INC.
6.98%
17.6M
+456,522 (+2.60%)
Jun 30, 2024
RUBRIC CAPITAL MANAGEMENT LP
6.45%
16.2M
+14.3M (+88.51%)
Jun 30, 2026
MILLENNIUM MANAGEMENT LLC
5.53%
13.9M
-3.9M (-28.36%)
Jun 30, 2026
STATE STREET CORP
5.31%
13.4M
-248,179 (-1.86%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions2.4B (74.83%)
  • Mutual Funds730.0M (22.79%)
  • Insiders76.4M (2.39%)
  • Other0 (0.00%)

Insider Transactions

  • 2.39% (76.4M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $17.3M
    Amount of InsiderBuying (last 12 months)
  • 9
    Number of InsiderSelling (last 12 months)
  • $159.3M
    Amount 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
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
$11,971.82
3,104
$3.86
354,314
RAAB MICHAEL
President & CEO
Sell
Aug 21, 2026
$32,440.39
8,411
$3.86
1.6M
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
$73,967.63
19,178
$3.86
1.6M
Kelliher Mike
Chief Business Officer
Sell
Aug 21, 2026
$10,228.50
2,652
$3.86
351,662
Kelliher Mike
Chief Business Officer
Sell
Aug 21, 2026
$7,721.51
2,002
$3.86
349,660
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
Parsey Merdad
Award
Jun 16, 2026
$0.00
39,715
$0.00
39,715
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
Bertrand William C JR
Award
Jun 16, 2026
$0.00
39,715
$0.00
39,715
Bhanji Muna
Award
Jun 16, 2026
$0.00
26,455
$0.00
163,808
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
39,715
$0.00
39,715
Bertrand William C JR
Award
Jun 16, 2026
$0.00
26,455
$0.00
329,507
Cadoret-Manier Onaiza
Award
Jun 16, 2026
$0.00
26,455
$0.00
178,156
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