Ardelyx (ARDX) Institutional Ownership

$5.56 +0.16 (+2.96%)

Closing price 06/5/2026 04:00 PM Eastern

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$5.57 +0.01 (+0.18%)

As of 06/5/2026 07:59 PM Eastern

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Current Institutional Ownership Percentage: 58.92%
Number of Institutional Buyers (last 12 months): 129
Total Institutional Inflows (last 12 months): $162.15M

Number of Institutional Sellers (last 12 months): 85
Total Institutional Outflows (last 12 months): $147.30M

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ARDX Institutional Buying and Selling by Quarter

Ardelyx Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
5/19/2026	Bank of America Corp DE	2,336,994	$14.00M	0.0%	+5.8%	0.946%
5/19/2026	Janus Henderson Group PLC	8,371,234	$50.14M	0.0%	-42.3%	3.389%
5/18/2026	ADAR1 Capital Management LLC	23,900	$143K	0.0%	N/A	0.010%
5/18/2026	Amundi	14,282	$86K	0.0%	N/A	0.006%
5/18/2026	California State Teachers Retirement System	303,137	$1.82M	0.0%	+39.3%	0.123%
5/18/2026	Redmile Group LLC	733,350	$4.39M	0.3%	N/A	0.297%
5/18/2026	Rubric Capital Management LP	1,860,896	$11.15M	0.1%	N/A	0.753%
5/18/2026	Eversept Partners LP	2,229,446	$13.35M	0.7%	+30.0%	0.903%
5/16/2026	The Manufacturers Life Insurance Company	107,139	$642K	0.0%	-2.8%	0.043%
5/16/2026	Quantinno Capital Management LP	18,774	$112K	0.0%	+82.6%	0.008%
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5/15/2026	Entropy Technologies LP	23,145	$139K	0.0%	N/A	0.009%
5/14/2026	Renaissance Technologies LLC	1,272,441	$7.62M	0.0%	-29.1%	0.515%
5/14/2026	Knott David M Jr	207,000	$1.24M	0.7%	N/A	0.084%
5/14/2026	Sei Investments Co.	134,413	$805K	0.0%	+36.6%	0.054%
5/14/2026	State of Wyoming	30,870	$185K	0.0%	+143.1%	0.012%
5/13/2026	First Trust Advisors LP	1,498,798	$8.98M	0.0%	+44.6%	0.607%
5/7/2026	Swiss National Bank	480,800	$2.88M	0.0%	+1.2%	0.195%
5/5/2026	Bank of New York Mellon Corp	700,783	$4.20M	0.0%	-3.1%	0.286%
5/4/2026	Principal Financial Group Inc.	17,570	$105K	0.0%	+22.7%	0.007%
5/4/2026	Chicago Partners Investment Group LLC	12,695	$76K	0.0%	N/A	0.005%
4/30/2026	Hsbc Holdings PLC	93,931	$561K	0.0%	-4.9%	0.038%
4/29/2026	Richmond Investment Services LLC	12,000	$72K	0.0%	N/A	0.005%
4/29/2026	Clay Northam Wealth Management LLC	331,965	$1.99M	1.1%	-0.8%	0.135%
4/27/2026	Y Intercept Hong Kong Ltd	450,738	$2.70M	0.1%	-9.8%	0.184%
4/27/2026	Leonteq Securities AG	18,000	$108K	0.0%	N/A	0.007%
4/25/2026	Strs Ohio	55,300	$331K	0.0%	+101.1%	0.023%
4/23/2026	Inspire Investing LLC	86,818	$520K	0.0%	+8.8%	0.035%
4/22/2026	Pictet Asset Management Holding SA	40,610	$243K	0.0%	+25.0%	0.017%
4/17/2026	Krilogy Financial LLC	11,124	$70K	0.0%	N/A	0.005%
4/16/2026	SG Americas Securities LLC	106,801	$640K	0.0%	-37.8%	0.044%
3/20/2026	Hsbc Holdings PLC	98,815	$582K	0.0%	+12.9%	0.040%
2/19/2026	Invesco Ltd.	317,410	$1.85M	0.0%	+23.1%	0.131%
2/18/2026	Mercer Global Advisors Inc. ADV	38,512	$225K	0.0%	+4.7%	0.016%
2/18/2026	Mackenzie Financial Corp	199,550	$1.16M	0.0%	+12.8%	0.082%
2/18/2026	NewEdge Advisors LLC	17,909	$104K	0.0%	+1,690.9%	0.007%
2/18/2026	XTX Topco Ltd	119,643	$698K	0.0%	N/A	0.049%
2/18/2026	VARCOV Co.	45,004	$262K	0.1%	N/A	0.019%
2/18/2026	Virtus Investment Advisers LLC	110,048	$642K	0.2%	-7.9%	0.045%
2/18/2026	Wellington Management Group LLP	100,087	$584K	0.0%	-2.4%	0.041%
2/18/2026	Tudor Investment Corp ET AL	123,410	$719K	0.0%	-1.2%	0.051%
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2/18/2026	Quadrature Capital Ltd	63,566	$371K	0.0%	N/A	0.026%
2/18/2026	Oxford Asset Management LLP	29,225	$170K	0.1%	-80.7%	0.012%
2/18/2026	Man Group plc	124,211	$724K	0.0%	-36.3%	0.051%
2/18/2026	Inspire Investing LLC	79,809	$465K	0.0%	-2.2%	0.033%
2/18/2026	Janus Henderson Group PLC	14,514,692	$84.58M	0.0%	+5.0%	5.974%
2/18/2026	Engineers Gate Manager LP	137,582	$802K	0.0%	-42.8%	0.057%
2/18/2026	Eversept Partners LP	1,715,129	$10.00M	0.5%	+20.0%	0.706%
2/18/2026	Balyasny Asset Management L.P.	17,222	$100K	0.0%	-94.6%	0.007%
2/17/2026	Freestone Grove Partners LP	699,133	$4.08M	0.0%	+74.0%	0.288%
2/17/2026	J. Goldman & Co LP	1,622,736	$9.46M	0.2%	+1,034.8%	0.668%
2/17/2026	AQR Capital Management LLC	2,025,083	$11.81M	0.0%	-5.6%	0.833%
2/17/2026	Abel Hall LLC	15,847	$92K	0.0%	N/A	0.007%
2/17/2026	Lazard Asset Management LLC	45,257	$264K	0.0%	+119.9%	0.019%
2/17/2026	Trexquant Investment LP	327,159	$1.91M	0.0%	-35.1%	0.135%
2/17/2026	Jump Financial LLC	199,470	$1.16M	0.0%	+430.5%	0.082%
2/17/2026	Price T Rowe Associates Inc. MD	234,466	$1.37M	0.0%	+3.1%	0.096%
2/17/2026	Rock Springs Capital Management LP	2,299,473	$13.41M	0.7%	+0.6%	0.946%
2/17/2026	Monimus Capital Management LP	194,734	$1.14M	0.7%	-3.7%	0.080%
2/17/2026	Diadema Partners LP	252,198	$1.47M	0.3%	-37.0%	0.104%
2/17/2026	State of Wisconsin Investment Board	195,944	$1.14M	0.0%	-20.1%	0.081%
2/17/2026	Captrust Financial Advisors	19,947	$116K	0.0%	-8.7%	0.008%
2/17/2026	ExodusPoint Capital Management LP	55,731	$325K	0.0%	-58.7%	0.023%
2/17/2026	Royal Bank of Canada	7,831	$46K	0.0%	-99.1%	0.003%
2/17/2026	Persistent Asset Partners Ltd	60,490	$353K	0.2%	-34.3%	0.025%
2/16/2026	Squarepoint Ops LLC	346,142	$2.02M	0.0%	-12.8%	0.142%
2/16/2026	Sargent Investment Group LLC	14,000	$82K	0.0%	N/A	0.006%
2/16/2026	Mariner LLC	35,442	$206K	0.0%	-7.9%	0.015%
2/16/2026	Barclays PLC	763,364	$4.45M	0.0%	+4.8%	0.314%
2/13/2026	CreativeOne Wealth LLC	25,793	$150K	0.0%	-12.1%	0.011%
2/13/2026	Marshall Wace LLP	5,188,639	$30.25M	0.0%	-42.0%	2.136%
2/13/2026	The Manufacturers Life Insurance Company	110,220	$643K	0.0%	-5.5%	0.045%
2/13/2026	CANADA LIFE ASSURANCE Co	17,670	$103K	0.0%	-71.5%	0.007%
2/13/2026	Walleye Capital LLC	221,308	$1.29M	0.0%	-81.7%	0.091%
2/13/2026	Stifel Financial Corp	27,455	$160K	0.0%	N/A	0.011%
2/13/2026	Schroder Investment Management Group	368,448	$2.14M	0.0%	N/A	0.152%
2/13/2026	Rafferty Asset Management LLC	390,214	$2.28M	0.0%	+24.0%	0.161%
2/13/2026	First Trust Advisors LP	1,036,492	$6.04M	0.0%	+467.6%	0.427%
2/13/2026	Headlands Technologies LLC	199,280	$1.16M	0.1%	+118.6%	0.082%
2/13/2026	Integrated Wealth Concepts LLC	12,061	$70K	0.0%	-21.0%	0.005%
2/13/2026	Charles Schwab Investment Management Inc.	2,117,293	$12.34M	0.0%	-3.5%	0.871%
2/13/2026	State Street Corp	11,912,339	$69.45M	0.0%	+22.6%	4.903%
2/13/2026	Ieq Capital LLC	246,434	$1.44M	0.0%	-3.1%	0.101%
2/13/2026	Dynamic Technology Lab Private Ltd	81,845	$477K	0.1%	-49.0%	0.034%
2/13/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	431,247	$2.51M	0.0%	+16.5%	0.177%
2/13/2026	Wells Fargo & Company MN	318,413	$1.86M	0.0%	+58.2%	0.131%
2/12/2026	MetLife Investment Management LLC	119,103	$694K	0.0%	-13.3%	0.049%
2/12/2026	Cibc World Markets Corp	15,854	$92K	0.0%	N/A	0.007%
2/12/2026	Commonwealth Equity Services LLC	33,350	$194K	0.0%	-14.6%	0.014%
2/12/2026	Renaissance Technologies LLC	1,794,793	$10.46M	0.0%	+6.2%	0.739%
2/12/2026	Ensign Peak Advisors Inc	17,500	$102K	0.0%	-68.6%	0.007%
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2/12/2026	Steward Partners Investment Advisory LLC	14,021	$82K	0.0%	+81.4%	0.006%
2/12/2026	New York State Common Retirement Fund	59,144	$345K	0.0%	-21.9%	0.024%
2/12/2026	Campbell & CO Investment Adviser LLC	53,289	$311K	0.0%	N/A	0.022%
2/12/2026	Raiffeisen Bank International AG	270,000	$1.57M	0.0%	N/A	0.111%
2/12/2026	Swiss National Bank	475,200	$2.77M	0.0%	+2.4%	0.196%
2/12/2026	Nuveen LLC	5,164,549	$30.11M	0.0%	-0.2%	2.126%
2/11/2026	DCF Advisers LLC	20,000	$117K	0.0%	+100.0%	0.008%
2/11/2026	Deutsche Bank AG	500,195	$2.92M	0.0%	+157.8%	0.206%
2/11/2026	Fox Run Management L.L.C.	29,362	$171K	0.0%	-40.0%	0.012%
2/11/2026	Cerity Partners LLC	59,359	$346K	0.0%	+5.3%	0.024%

ARDX Institutional Ownership - Frequently Asked Questions

During the previous two years, 244 institutional investors and hedge funds held shares of Ardelyx. The most heavily invested institutionals were 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), Millennium Management LLC ($31.74M), and Marshall Wace LLP ($30.25M).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 211 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: Millennium Management LLC ($5.39M), Vanguard Group Inc. ($4.35M), Two Seas Capital LP ($3.98M), Janus Henderson Group PLC ($3.55M), Nuveen LLC ($3.41M), Rubric Capital Management LP ($3.10M), and Marshall Wace LLP ($2.98M).

Institutional investors have bought a total of 31,205,472 shares in the last 24 months. This purchase volume represents approximately $162.15M in transactions.

Of the 85 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 26,178,175 shares in the last 24 months. This volume of shares sold represents approximately $147.30M in transactions.

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This page (NASDAQ:ARDX) was last updated on 6/7/2026 by MarketBeat.com Staff.

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Ardelyx (ARDX) Institutional Ownership

ARDX Institutional Buying and Selling by Quarter

Ardelyx Major Shareholders & Ownership History

ARDX Institutional Ownership - Frequently Asked Questions

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Ardelyx (ARDX) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Ardelyx (NASDAQ:ARDX)

ARDX Institutional Buying and Selling by Quarter

Ardelyx Major Shareholders & Ownership History

ARDX Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ARDX shares?

What percentage of Ardelyx's stock is owned by institutional investors?

Which institutional investors have been buying Ardelyx's stock?

How much institutional buying is happening at Ardelyx?

Which of Ardelyx's major shareholders have been selling company stock?

How much institutional selling is happening at Ardelyx?

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