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

Insider buying vs selling

Have Ardelyx Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Laura A. WilliamsChief Patient Officer2026-01-0850,000$6.98
$348.90kSell
Laura A. WilliamsChief Patient Officer2026-01-0850,000$0.99
$49.50kBuy
Joseph James ReillySenior Vice President of Finance2025-11-2111,086$5.54
$61.38kSell
Michael RaabPresident CEO2025-11-2146,887$5.54
$259.61kSell
Elizabeth A. GrammerChief Legal and Administrative Officer2025-11-215,995$5.54
$33.19kSell
Eric Duane FosterChief Commercial Officer2025-11-215,814$5.54
$32.19kSell
Mike KelliherChief Business Officer2025-11-215,560$5.54
$30.79kSell
Laura A. WilliamsChief Patient Officer2025-11-216,426$5.54
$35.58kSell
Laura A. WilliamsChief Patient Officer2025-08-2650,000$6.12
$306.05kSell
Laura A. WilliamsChief Patient Officer2025-08-2630,000$6.12
$183.63kSell

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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 Kolluri8.80%21,572,475$123.61MInsider
Blackrock Inc8.62%21,139,105$121.13MInstitution
Vanguard Group Inc7.74%18,979,483$108.75MInstitution
Peter J. Barris7.67%18,800,125$107.72MInsider
M. James Barrett7.31%17,921,753$102.69MInsider
Patrick J. Kerins7.20%17,666,935$101.23MInsider
Forest Baskett6.65%16,299,721$93.40MInsider
Janus Henderson Group PLC5.92%14,514,692$83.17MInstitution
Scott D. Sandell5.59%13,709,147$78.55MInsider
Nea Partners 12 Limited Partnership5.59%13,706,135$78.54MInsider

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ARDX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ARDX42.22%57.78%Net BuyingNet Buying
ATAI15.31%25.40%Net Buying
RAPP76.03%23.97%Net SellingNet Selling
ZBIO69.05%30.95%Net BuyingNet Buying
TRVI43.05%56.95%Net BuyingNet Buying

Ardelyx Stock Ownership FAQ

Who owns Ardelyx?

Ardelyx (NASDAQ: ARDX) is owned by 67.95% institutional shareholders, 92.99% Ardelyx insiders, and 0.00% retail investors. Krishna Kittu Kolluri is the largest individual Ardelyx shareholder, owning 21.57M shares representing 8.80% of the company. Krishna Kittu Kolluri's Ardelyx shares are currently valued at $123.61M.

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