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Ardelyx (ARDX) Institutional Ownership

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$4.00 -0.87 (-17.86%)
Closing price 08/7/2026 04:00 PM Eastern
Extended Trading
$4.04 +0.04 (+1.13%)
As of 08/7/2026 07:59 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Ardelyx (NASDAQ:ARDX)

Current
Institutional Ownership
Percentage
58.92%
Number of
Institutional Buyers
(last 12 months)
135
Total
Institutional Inflows
(last 12 months)
$307.40M
Number of
Institutional Sellers
(last 12 months)
82
Total
Institutional Outflows
(last 12 months)
$147.05M
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Skip Chart & View Institutional Buying and Selling Data

ARDX Institutional Buying and Selling by Quarter

Ardelyx Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/7/2026 BlackRock Inc.23,504,630$119.87M0.0%N/A9.515%
8/7/2026 Pallas Capital Advisors LLC24,688$126K0.0%N/A0.010%
8/7/2026 Deutsche Bank AG770,910$3.93M0.0%N/A0.312%
8/7/2026 AIGH Capital Management LLC3,200,000$16.32M1.0%N/A1.295%
8/7/2026 Persistent Asset Partners Ltd77,371$395K0.1%N/A0.031%
8/6/2026 SCS Capital Management LLC10,173$52K0.0%N/A0.004%
8/6/2026 Bank of New York Mellon Corp749,676$3.82M0.0%N/A0.303%
8/6/2026 State of Wyoming15,041$77K0.0%N/A0.006%
8/6/2026 GSA Capital Partners LLP71,826$366K0.0%N/A0.029%
8/3/2026 Walleye Capital LLC171,014$872K0.0%N/A0.069%
7/9/2026 Hennion & Walsh Asset Management Inc.1,211,690$6.18M0.2%+21.0%0.491%
7/7/2026 GK Wealth Management LLC40,868$208K0.1%N/A0.017%
6/16/2026 PVG Asset Management Corp11,393$65K0.0%N/A0.005%
5/19/2026Bank of America Corp DE2,336,994$14.00M0.0%+5.8%0.946%
5/19/2026Janus Henderson Group PLC8,371,234$50.14M0.0%-42.3%3.389%
5/18/2026ADAR1 Capital Management LLC23,900$143K0.0%N/A0.010%
5/18/2026Amundi14,282$86K0.0%N/A0.006%
5/18/2026California State Teachers Retirement System303,137$1.82M0.0%+39.3%0.123%
5/18/2026Redmile Group LLC733,350$4.39M0.3%N/A0.297%
5/18/2026Rubric Capital Management LP1,860,896$11.15M0.1%N/A0.753%
5/18/2026Eversept Partners LP2,229,446$13.35M0.7%+30.0%0.903%
5/16/2026The Manufacturers Life Insurance Company 107,139$642K0.0%-2.8%0.043%
5/16/2026Quantinno Capital Management LP18,774$112K0.0%+82.6%0.008%
5/15/2026Entropy Technologies LP23,145$139K0.0%N/A0.009%
5/14/2026Renaissance Technologies LLC1,272,441$7.62M0.0%-29.1%0.515%
5/14/2026Knott David M Jr207,000$1.24M0.7%N/A0.084%
5/14/2026Sei Investments Co.134,413$805K0.0%+36.6%0.054%
5/14/2026 State of Wyoming30,870$185K0.0%+143.1%0.012%
5/13/2026First Trust Advisors LP1,498,798$8.98M0.0%+44.6%0.607%
5/7/2026Swiss National Bank480,800$2.88M0.0%+1.2%0.195%
5/5/2026 Bank of New York Mellon Corp700,783$4.20M0.0%-3.1%0.286%
5/4/2026 Principal Financial Group Inc.17,570$105K0.0%+22.7%0.007%
5/4/2026 Chicago Partners Investment Group LLC12,695$76K0.0%N/A0.005%
4/30/2026Hsbc Holdings PLC93,931$561K0.0%-4.9%0.038%
4/29/2026 Richmond Investment Services LLC12,000$72K0.0%N/A0.005%
4/29/2026Clay Northam Wealth Management LLC331,965$1.99M1.1%-0.8%0.135%
4/27/2026 Y Intercept Hong Kong Ltd450,738$2.70M0.1%-9.8%0.184%
4/27/2026 Leonteq Securities AG18,000$108K0.0%N/A0.007%
4/25/2026 Strs Ohio55,300$331K0.0%+101.1%0.023%
4/23/2026Inspire Investing LLC86,818$520K0.0%+8.8%0.035%
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4/22/2026 Pictet Asset Management Holding SA40,610$243K0.0%+25.0%0.017%
4/17/2026 Krilogy Financial LLC11,124$70K0.0%N/A0.005%
4/16/2026 SG Americas Securities LLC106,801$640K0.0%-37.8%0.044%
3/20/2026Hsbc Holdings PLC98,815$582K0.0%+12.9%0.040%
2/19/2026Invesco Ltd.317,410$1.85M0.0%+23.1%0.131%
2/18/2026Mercer Global Advisors Inc. ADV38,512$225K0.0%+4.7%0.016%
2/18/2026Mackenzie Financial Corp199,550$1.16M0.0%+12.8%0.082%
2/18/2026NewEdge Advisors LLC17,909$104K0.0%+1,690.9%0.007%
2/18/2026XTX Topco Ltd119,643$698K0.0%N/A0.049%
2/18/2026VARCOV Co.45,004$262K0.1%N/A0.019%
2/18/2026Virtus Investment Advisers LLC110,048$642K0.2%-7.9%0.045%
2/18/2026Wellington Management Group LLP100,087$584K0.0%-2.4%0.041%
2/18/2026Tudor Investment Corp ET AL123,410$719K0.0%-1.2%0.051%
2/18/2026 Quadrature Capital Ltd63,566$371K0.0%N/A0.026%
2/18/2026Oxford Asset Management LLP29,225$170K0.1%-80.7%0.012%
2/18/2026Man Group plc124,211$724K0.0%-36.3%0.051%
2/18/2026Inspire Investing LLC79,809$465K0.0%-2.2%0.033%
2/18/2026Janus Henderson Group PLC14,514,692$84.58M0.0%+5.0%5.974%
2/18/2026Engineers Gate Manager LP137,582$802K0.0%-42.8%0.057%
2/18/2026Eversept Partners LP1,715,129$10.00M0.5%+20.0%0.706%
2/18/2026Balyasny Asset Management L.P.17,222$100K0.0%-94.6%0.007%
2/17/2026Freestone Grove Partners LP699,133$4.08M0.0%+74.0%0.288%
2/17/2026J. Goldman & Co LP1,622,736$9.46M0.2%+1,034.8%0.668%
2/17/2026AQR Capital Management LLC2,025,083$11.81M0.0%-5.6%0.833%
2/17/2026 Abel Hall LLC15,847$92K0.0%N/A0.007%
2/17/2026Lazard Asset Management LLC45,257$264K0.0%+119.9%0.019%
2/17/2026Trexquant Investment LP327,159$1.91M0.0%-35.1%0.135%
2/17/2026Jump Financial LLC199,470$1.16M0.0%+430.5%0.082%
2/17/2026Price T Rowe Associates Inc. MD234,466$1.37M0.0%+3.1%0.096%
2/17/2026Rock Springs Capital Management LP2,299,473$13.41M0.7%+0.6%0.946%
2/17/2026Monimus Capital Management LP194,734$1.14M0.7%-3.7%0.080%
2/17/2026Diadema Partners LP252,198$1.47M0.3%-37.0%0.104%
2/17/2026State of Wisconsin Investment Board195,944$1.14M0.0%-20.1%0.081%
2/17/2026Captrust Financial Advisors19,947$116K0.0%-8.7%0.008%
2/17/2026ExodusPoint Capital Management LP55,731$325K0.0%-58.7%0.023%
2/17/2026Royal Bank of Canada7,831$46K0.0%-99.1%0.003%
2/17/2026 Persistent Asset Partners Ltd60,490$353K0.2%-34.3%0.025%
2/16/2026Squarepoint Ops LLC346,142$2.02M0.0%-12.8%0.142%
2/16/2026Sargent Investment Group LLC14,000$82K0.0%N/A0.006%
2/16/2026Mariner LLC35,442$206K0.0%-7.9%0.015%
2/16/2026Barclays PLC763,364$4.45M0.0%+4.8%0.314%
2/13/2026CreativeOne Wealth LLC25,793$150K0.0%-12.1%0.011%
2/13/2026Marshall Wace LLP5,188,639$30.25M0.0%-42.0%2.136%
2/13/2026The Manufacturers Life Insurance Company 110,220$643K0.0%-5.5%0.045%
2/13/2026CANADA LIFE ASSURANCE Co17,670$103K0.0%-71.5%0.007%
2/13/2026 Walleye Capital LLC221,308$1.29M0.0%-81.7%0.091%
2/13/2026Stifel Financial Corp27,455$160K0.0%N/A0.011%
2/13/2026Schroder Investment Management Group368,448$2.14M0.0%N/A0.152%
2/13/2026Rafferty Asset Management LLC390,214$2.28M0.0%+24.0%0.161%
2/13/2026First Trust Advisors LP1,036,492$6.04M0.0%+467.6%0.427%
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2/13/2026Headlands Technologies LLC199,280$1.16M0.1%+118.6%0.082%
2/13/2026Integrated Wealth Concepts LLC12,061$70K0.0%-21.0%0.005%
2/13/2026Charles Schwab Investment Management Inc.2,117,293$12.34M0.0%-3.5%0.871%
2/13/2026 State Street Corp11,912,339$69.45M0.0%+22.6%4.903%
2/13/2026Ieq Capital LLC246,434$1.44M0.0%-3.1%0.101%
2/13/2026Dynamic Technology Lab Private Ltd81,845$477K0.1%-49.0%0.034%
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC431,247$2.51M0.0%+16.5%0.177%
2/13/2026Wells Fargo & Company MN318,413$1.86M0.0%+58.2%0.131%
2/12/2026MetLife Investment Management LLC119,103$694K0.0%-13.3%0.049%
2/12/2026Cibc World Markets Corp15,854$92K0.0%N/A0.007%


ARDX Institutional Ownership - Frequently Asked Questions

During the previous two years, 243 institutional investors and hedge funds held shares of Ardelyx. The most heavily invested institutionals were BlackRock Inc. ($119.87M), Vanguard Group Inc. ($110.65M), State Street Corp ($69.45M), Eventide Asset Management LLC ($51.08M), Janus Henderson Group PLC ($50.14M), Geode Capital Management LLC ($33.98M), and Millennium Management LLC ($31.74M).Learn more on Ardelyx's institutional investors.

58.92% of Ardelyx's stock is owned by institutional investors. Learn more on ARDX's institutional investor holdings.

Of the 214 institutional investors that purchased Ardelyx's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($23.50M), Millennium Management LLC ($5.39M), AIGH Capital Management LLC ($4.35M), Vanguard Group Inc. ($4.35M), Two Seas Capital LP ($3.98M), Janus Henderson Group PLC ($3.55M), and Nuveen LLC ($3.41M).

Institutional investors have bought a total of 59,568,414 shares in the last 24 months. This purchase volume represents approximately $307.40M in transactions.

Of the 82 institutional investors that sold Ardelyx's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Janus Henderson Group PLC ($6.14M), Marshall Wace LLP ($6.06M), Bank of America Corp DE ($2.87M), Algert Global LLC ($1.25M), Walleye Capital LLC ($1.12M), Royal Bank of Canada ($906.50K), and Franklin Resources Inc. ($618.53K).

Institutional investors have sold a total of 26,115,510 shares in the last 24 months. This volume of shares sold represents approximately $147.05M in transactions.


Related Companies

Institutional ownership data for NASDAQ:ARDX is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/7/2026. New 13F filings are added each quarter as they're published.
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