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Ardelyx ARDX · USD

Health Care · US listing · 🇺🇸 United States

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2.93

+1.74%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
BLACKROCK, INC.21.2m8.78%+25k31 Mar 2026
The Vanguard Group, Inc.18.9m7.85%+610.2k31 Dec 2025
MILLENNIUM MANAGEMENT LLC17.8m7.40%+5.9m31 Mar 2026
BlackRock Institutional Trust Company, N.A.16.8m6.98%+235.9k31 Dec 2025
Janus Henderson Investors14.5m6.02%+690.6k31 Dec 2025
STATE STREET CORP13.6m5.64%+1.7m31 Mar 2026
Millennium Management LLC13.1m5.44%+1.2m5 Jan 2026
State Street Investment Management (US)11.9m4.94%+2.2m31 Dec 2025
VANGUARD CAPITAL MANAGEMENT LLC10.4m4.30%+10.4m31 Mar 2026
Nomura Investment Management Business Trust9.3m3.87%−1.1m31 Dec 2025
JANUS HENDERSON GROUP PLC8.4m3.47%−6.1m31 Mar 2026
MACQUARIE MANAGEMENT HOLDINGS, INC.8.2m3.39%−1.2m31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC6.7m2.76%+6.7m31 Mar 2026
GEODE CAPITAL MANAGEMENT, LLC6m2.49%+179.8k31 Mar 2026
Geode Capital Management, L.L.C.5.8m2.42%+70.8k31 Dec 2025

Insider trades

Purchases and sales by directors and officers, as filed with the regulator

DateWhoTypeSharesPriceValue
16 Mar 2026 ↗RAAB MICHAELPresident & CEOSale41.7k5.84$243,329
24 Feb 2026 ↗RAAB MICHAELPresident & CEOSale41.7k6.25$260,621
20 Feb 2026 ↗Bishop John ESee RemarksSale3.2k5.85$18,586
20 Feb 2026 ↗RAAB MICHAELPresident & CEOSale46k5.85$268,829
20 Feb 2026 ↗MOTT DAVID MDirectorPurchase333.3k5.84$1.9m
20 Feb 2026 ↗Williams Laura ASee RemarksSale8.2k5.85$47,803
20 Feb 2026 ↗Hohenleitner SusanChief Financial OfficerSale2k5.85$11,886
20 Feb 2026 ↗Brady James ParkerChief Human Resources OfficerSale2.5k5.85$14,868
20 Feb 2026 ↗Kelliher MikeSee RemarksSale9.6k5.85$56,099
20 Feb 2026 ↗Foster Eric DuaneChief Commercial OfficerSale10.4k5.85$61,028
20 Feb 2026 ↗Reilly Joseph JamesSee RemarksSale5k5.85$29,181

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

30.2m

+9.3% on the period before. 6.5 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

48.7%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 25 Sept 202673 shares
  • 10 Sept 20261,778 shares
  • 8 Sept 202654 shares
  • 13 Aug 202619,315 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.