Ardelyx, Inc. (ARDX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

2,413,011Shares held by institutions

$13,392,211Value of institutional holdings

68.67%Institutional ownership %

-5.57%Shares Changed QoQ

202No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Ardelyx, Inc. (NASDAQ:ARDX) has 223 institutional investors that have filed 13F reports for the period ending December 2025.

These investors collectively held 68.8% of Ardelyx's outstanding shares in December 2025, down from 68.9% in September 2025.
Their total shares held in ARDX increased 9.17% quarter over quarter, and separately, investors owning Ardelyx increased 5.19% from a year ago.
Of these 223 funds, 113 grew their exposure to Ardelyx, 82 cut back, and 28 maintained positions.
Altogether, these fund groups held 166.42Mn shares in ARDX by December 2025, up by 13.97Mn shares quarter on quarter, and up 9.01Mn shares year over year.
BlackRock, Inc. leads ownership in ARDX with 21.14Mn shares as of December 31, 2025, equal to 8.74% of outstanding shares.
Top purchasers of ARDX stock for the quarter ending December 2025 included NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (9.33Mn), MILLENNIUM MANAGEMENT LLC (4.27Mn), State Street Corp (2.19Mn), J. Goldman & Co LP (1.53Mn), Qube Research & Technologies Ltd (1.1Mn).
The largest sellers of Ardelyx for the quarter ending December 2025 were MARSHALL WACE, LLP (3.75Mn), Bank Of America Corp /De/ (3.1Mn), D. E. Shaw & Co., Inc. (1.9Mn), Jpmorgan Chase & Co (1.27Mn), Walleye Capital LLC (989.76K).
Business Quant data shows the 10 biggest positions in Ardelyx as of December 2025 are held by BlackRock, Inc. (21.14Mn), VANGUARD GROUP INC (18.98Mn), Janus Henderson Group Plc (14.51Mn), State Street Corp (11.91Mn), MILLENNIUM MANAGEMENT LLC (11.91Mn), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (9.33Mn), GEODE CAPITAL MANAGEMENT, LLC (5.83Mn), MARSHALL WACE, LLP (5.19Mn), Nuveen, LLC (5.16Mn), Goldman Sachs Group Inc (3.06Mn).

223 Institutional Holders

2,413,011 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	315,525	1.52%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	610,162	3.32%	$0.00
Nuveen, LLC	31 Dec, 2025	-10,404	-0.20%	$0.00
Barclays Plc	31 Dec, 2025	-512,603	-40.17%	$0.00
Janus Henderson Group Plc	31 Dec, 2025	690,599	5.00%	$0.00
Eversept Partners, LP	31 Dec, 2025	285,752	19.99%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	110,132	125.87%	$0.00
State Street Corp	31 Dec, 2025	2,193,649	22.57%	$0.00
AIGH Capital Management LLC	31 Dec, 2025	951,500	479.35%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	6	600.00%	$0.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	4,267,524	55.84%	$0.00
Qube Research & Technologies Ltd	31 Dec, 2025	1,096,117	0.00%	$0.00
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	31 Dec, 2025	9,328,744	0.00%	$0.00
Hennion & Walsh Asset Management, Inc.	31 Dec, 2025	179,192	22.96%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	70,832	1.23%	$0.00
Point72 Asset Management, L.P.	31 Dec, 2025	958,690	0.00%	$0.00
MARSHALL WACE, LLP	31 Dec, 2025	-3,754,403	-41.98%	$0.00
Freestone Grove Partners LP	31 Dec, 2025	297,378	74.02%	$0.00
Goldman Sachs Group Inc	31 Dec, 2025	479,869	18.56%	$0.00
UBS Group AG	31 Dec, 2025	117,024	25.37%	$0.00

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