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NASDAQ: ARDX
Ardelyx Inc Stock Ownership - Who owns Ardelyx?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Ardelyx Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Michael RaabPresident CEO2026-05-1520,833$0.99
$20.62kBuy
Michael RaabPresident CEO2026-05-1541,666$6.28
$261.62kSell
Michael RaabPresident CEO2026-04-1541,668$6.29
$261.97kSell
Michael RaabPresident CEO2026-04-1520,834$0.99
$20.63kBuy
Michael RaabPresident CEO2026-03-1641,666$5.84
$243.33kSell
Michael RaabPresident CEO2026-03-1620,833$0.99
$20.62kBuy
Michael RaabPresident CEO2026-02-2441,666$6.26
$260.62kSell
Michael RaabPresident CEO2026-02-2420,833$0.99
$20.62kBuy
Eric Duane FosterChief Commercial Officer2026-02-201$5.70
$5.70Sell
Susan HohenleitnerChief Financial Officer2026-02-201,786$5.87
$10.47kSell

1 of 6

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Net Insider Buy/Sell (L12M) Ownership

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ARDX Shareholders

What type of owners hold Ardelyx Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Krishna Kittu Kolluri8.73%21,572,475$131.81MInsider
Blackrock Inc8.57%21,164,132$129.31MInstitution
Peter J. Barris7.61%18,800,125$114.87MInsider
M. James Barrett7.25%17,921,753$109.50MInsider
Millennium Management LLC7.22%17,842,370$109.02MInstitution
Patrick J. Kerins7.15%17,666,935$107.94MInsider
Forest Baskett6.60%16,299,721$99.59MInsider
Scott D. Sandell5.55%13,709,147$83.76MInsider
Nea Partners 12 Limited Partnership5.55%13,706,135$83.74MInsider
State Street Corp5.51%13,604,307$83.12MInstitution

1 of 3

ARDX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ARDX42.56%57.44%Net BuyingNet Selling
RXRX63.43%13.52%Net SellingNet Selling
TSHA89.36%10.64%Net SellingNet Selling
GLUE41.85%58.15%Net SellingNet Selling
PGEN31.33%68.67%Net SellingNet Selling
View Top Biotech Stocks

Ardelyx Stock Ownership FAQ

Who owns Ardelyx?

Ardelyx (NASDAQ: ARDX) is owned by 68.57% institutional shareholders, 92.56% Ardelyx insiders, and 0.00% retail investors. Krishna Kittu Kolluri is the largest individual Ardelyx shareholder, owning 21.57M shares representing 8.73% of the company. Krishna Kittu Kolluri's Ardelyx shares are currently valued at $131.38M.

If you're new to stock investing, here's how to buy Ardelyx stock.
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