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Ardelyx (ARDX) Institutional Ownership

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$3.42 +0.04 (+1.18%)
Closing price 09/18/2026 04:00 PM Eastern
Extended Trading
$3.43 +0.01 (+0.18%)
As of 09/18/2026 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)
126
Total
Institutional Inflows
(last 12 months)
$325.33M
Number of
Institutional Sellers
(last 12 months)
75
Total
Institutional Outflows
(last 12 months)
$140.93M
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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
9/9/2026 Krensavage Asset Management LLC534,523$2.73M1.0%+6.9%0.215%
9/9/2026 Engineers Gate Manager LP16,213$83K0.0%-84.6%0.007%
9/9/2026 NewEdge Advisors LLC23,724$121K0.0%+30.0%0.010%
9/9/2026 Squarepoint Ops LLC715,262$3.65M0.0%+2.6%0.287%
8/20/2026 Headlands Technologies LLC240,796$1.23M0.1%+8.2%0.097%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC486,412$2.48M0.0%+10.4%0.195%
8/19/2026 Hsbc Holdings PLC100,550$509K0.0%+7.0%0.040%
8/19/2026 Wellington Management Group LLP90,358$461K0.0%-5.1%0.036%
8/17/2026 Bank of America Corp DE2,163,500$11.03M0.0%N/A0.868%
8/15/2026 Freestone Grove Partners LP253,692$1.29M0.0%N/A0.102%
8/15/2026 Jupiter Topco LLC5,302,311$27.04M0.0%N/A2.128%
8/15/2026 J. Goldman & Co LP1,579,828$8.06M0.2%N/A0.634%
8/14/2026 ADAR1 Capital Management LLC11,000$56K0.0%N/A0.004%
8/14/2026 Hsbc Holdings PLC100,550$509K0.0%N/A0.040%
8/14/2026 Canada Pension Plan Investment Board54,000$275K0.0%N/A0.022%
8/14/2026 Legal & General Group Plc195,464$997K0.0%N/A0.078%
8/14/2026 The Manufacturers Life Insurance Company104,922$535K0.0%N/A0.042%
8/12/2026 Northwestern Mutual Wealth Management Co.6,922$35K0.0%N/A0.003%
8/12/2026 Landscape Capital Management L.L.C.24,631$126K0.0%N/A0.010%
8/12/2026 Ieq Capital LLC240,798$1.23M0.0%N/A0.097%
8/11/2026 Clay Northam Wealth Management LLC334,115$1.70M0.8%N/A0.134%
8/11/2026 E Fund Management Co. Ltd.29,069$148K0.0%N/A0.012%
8/10/2026 DCF Advisers LLC22,000$112K0.0%N/A0.009%
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%
5/19/2026 Bank 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%
5/18/2026 ADAR1 Capital Management LLC23,900$143K0.0%N/A0.010%
5/18/2026 Amundi14,282$86K0.0%N/A0.006%
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5/18/2026 California State Teachers Retirement System303,137$1.82M0.0%+39.3%0.123%
5/18/2026 Redmile Group LLC733,350$4.39M0.3%N/A0.297%
5/18/2026 Rubric Capital Management LP1,860,896$11.15M0.1%N/A0.753%
5/18/2026 Eversept Partners LP2,229,446$13.35M0.7%+30.0%0.903%
5/16/2026 The Manufacturers Life Insurance Company107,139$642K0.0%-2.8%0.043%
5/16/2026 Quantinno Capital Management LP18,774$112K0.0%+82.6%0.008%
5/15/2026 Entropy Technologies LP23,145$139K0.0%N/A0.009%
5/14/2026 Renaissance Technologies LLC1,272,441$7.62M0.0%-29.1%0.515%
5/14/2026 Knott David M Jr207,000$1.24M0.7%N/A0.084%
5/14/2026 Sei Investments Co.134,413$805K0.0%+36.6%0.054%
5/14/2026 State of Wyoming30,870$185K0.0%+143.1%0.012%
5/13/2026 First Trust Advisors LP1,498,798$8.98M0.0%+44.6%0.607%
5/7/2026 Swiss 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%
4/30/2026 Hsbc Holdings PLC93,931$561K0.0%-4.9%0.038%
4/29/2026 Richmond Investment Services LLC12,000$72K0.0%N/A0.005%
4/29/2026 Clay 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%
4/23/2026 Inspire Investing LLC86,818$520K0.0%+8.8%0.035%
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%
3/20/2026 Hsbc Holdings PLC98,815$582K0.0%+12.9%0.040%
2/19/2026 Invesco Ltd.317,410$1.85M0.0%+23.1%0.131%
2/18/2026 Mercer Global Advisors Inc. ADV38,512$225K0.0%+4.7%0.016%
2/18/2026 Mackenzie Financial Corp199,550$1.16M0.0%+12.8%0.082%
2/18/2026 NewEdge Advisors LLC17,909$104K0.0%+1,690.9%0.007%
2/18/2026 XTX Topco Ltd119,643$698K0.0%N/A0.049%
2/18/2026 VARCOV Co.45,004$262K0.1%N/A0.019%
2/18/2026 Virtus Investment Advisers LLC110,048$642K0.2%-7.9%0.045%
2/18/2026 Wellington Management Group LLP100,087$584K0.0%-2.4%0.041%
2/18/2026 Tudor Investment Corp ET AL123,410$719K0.0%-1.2%0.051%
2/18/2026 Quadrature Capital Ltd63,566$371K0.0%N/A0.026%
2/18/2026 Oxford Asset Management LLP29,225$170K0.1%-80.7%0.012%
2/18/2026 Man Group plc124,211$724K0.0%-36.3%0.051%
2/18/2026 Inspire Investing LLC79,809$465K0.0%-2.2%0.033%
2/18/2026Janus Henderson Group PLC14,514,692$84.58M0.0%+5.0%5.974%
2/18/2026 Engineers Gate Manager LP137,582$802K0.0%-42.8%0.057%
2/18/2026 Eversept Partners LP1,715,129$10.00M0.5%+20.0%0.706%
2/18/2026 Balyasny Asset Management L.P.17,222$100K0.0%-94.6%0.007%
2/17/2026 Freestone Grove Partners LP699,133$4.08M0.0%+74.0%0.288%
2/17/2026 J. Goldman & Co LP1,622,736$9.46M0.2%+1,034.8%0.668%
2/17/2026 AQR Capital Management LLC2,025,083$11.81M0.0%-5.6%0.833%
2/17/2026 Abel Hall LLC15,847$92K0.0%N/A0.007%
2/17/2026 Lazard Asset Management LLC45,257$264K0.0%+119.9%0.019%
2/17/2026 Trexquant Investment LP327,159$1.91M0.0%-35.1%0.135%
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2/17/2026 Jump Financial LLC199,470$1.16M0.0%+430.5%0.082%
2/17/2026 Price T Rowe Associates Inc. MD234,466$1.37M0.0%+3.1%0.096%
2/17/2026 Rock Springs Capital Management LP2,299,473$13.41M0.7%+0.6%0.946%
2/17/2026 Monimus Capital Management LP194,734$1.14M0.7%-3.7%0.080%
2/17/2026 Diadema Partners LP252,198$1.47M0.3%-37.0%0.104%
2/17/2026 State of Wisconsin Investment Board195,944$1.14M0.0%-20.1%0.081%
2/17/2026 Captrust Financial Advisors19,947$116K0.0%-8.7%0.008%
2/17/2026 ExodusPoint Capital Management LP55,731$325K0.0%-58.7%0.023%
2/17/2026 Royal Bank of Canada7,831$46K0.0%-99.1%0.003%
2/17/2026 Persistent Asset Partners Ltd60,490$353K0.2%-34.3%0.025%


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 216 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), Jupiter Topco LLC ($5.30M), Bank of America Corp DE ($4.89M), AIGH Capital Management LLC ($4.35M), Vanguard Group Inc. ($4.35M), Two Seas Capital LP ($3.98M), and Janus Henderson Group PLC ($3.55M).

Institutional investors have bought a total of 60,966,963 shares in the last 24 months. This purchase volume represents approximately $325.33M in transactions.

Of the 75 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 ($989.76K), Royal Bank of Canada ($906.50K), and Franklin Resources Inc. ($601.43K).

Institutional investors have sold a total of 24,526,056 shares in the last 24 months. This volume of shares sold represents approximately $140.93M 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 9/9/2026. New 13F filings are added each quarter as they're published.
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