Ardelyx, Inc.

ARDX

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001437402

SEC filings (opens in a new tab)

In the last 90 days, Ardelyx, Inc. insiders filed 0 open-market purchases and 9 sales; 250 institutions reported holding it in 13F filings for Q2 2026, worth $906.4M in total; no superinvestor holds it.

Q2 2025 vs. Q1 2025

How the institutions holding Ardelyx, Inc. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025 All holders in Q1 2025

13F holders of ARDX: Q1 2025 compared with Q2 2025
Measure	Q1 2025	Of which not filed for Q2 2025	Q2 2025	Change
Holders	221	2	206	−13
Shares	164.6M	17.1K	167.8M	+3.15M (+1.9%)
Value	$808.7M	$83.8K	$657.3M	−$151.3M (−18.7%)

2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (30)

Institutions that held Ardelyx, Inc. at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to ARDX in Q2 2025
Institution	Shares	Value	% of portfolio
Stonepine Capital Management, LLC	555,000	$2.18M	2.14%
First Trust Advisors LP	335,597	$1.32M	0.00%
J. Goldman & Co LP	245,917	$964.0K	0.03%
Squarepoint Ops LLC	180,711	$708.4K	0.00%
PDT Partners, LLC	155,384	$609.1K	0.03%
Caption Management, LLC	130,500	$511.6K	0.05%
Jacobs Levy Equity Management, Inc	88,198	$345.7K	0.00%
Y-Intercept (Hong Kong) Ltd	52,130	$204.3K	0.00%
DRW Securities, LLC	42,087	$165.0K	0.01%
Polymer Capital Management (US) LLC	25,107	$98.4K	0.02%
Oxford Asset Management LLP	20,864	$81.8K	0.03%
Mariner, LLC	18,953	$74.3K	0.00%
Scientech Research LLC	17,920	$70.2K	0.02%
State of Wyoming	15,687	$61.5K	0.01%
Virtu Financial LLC	13,988	$55.0K	0.00%
Mercer Global Advisors Inc	13,963	$54.7K	0.00%
Integrated Wealth Concepts LLC	12,288	$48.2K	0.00%
Brighton Jones LLC	10,151	$39.8K	0.00%
DCF Advisers, LLC	10,000	$39.2K	0.02%
Essential Partners LLC	2,070	$8.11K	0.00%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	1,916	$8.00K	0.00%
IFP Advisors, Inc	1,812	$7.10K	0.00%
Clearstead Advisors, LLC	1,616	$6.33K	0.00%
Brown Brothers Harriman & Co	394	$1.54K	0.00%
Larson Financial Group LLC	297	$1.16K	0.00%
Principal Securities, Inc.	200	$784	0.00%
Global Retirement Partners, LLC	100	$392	0.00%
Northwestern Mutual Wealth Management Co	46	$180	0.00%
Glenmede Investment Management, LP	39	$152	0.00%
Concord Wealth Partners	8	$31	0.00%

Sold out (43)

Institutions that held Ardelyx, Inc. at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of ARDX in Q2 2025
Institution	Shares, Q1 2025	Value, Q1 2025
Adage Capital Partners GP, L.L.C.	1,211,000	$5.95M
Oberweis Asset Management Inc	851,900	$4.18M
Knott David M Jr	493,807	$2.42M
Cubist Systematic Strategies, LLC	448,407	$2.20M
Los Angeles Capital Management LLC	265,338	$1.30M
HRT Financial LP	195,006	$957.0K
MetLife Investment Management	131,622	$646.3K
Tudor Investment Corp Et Al	130,811	$642.3K
Corebridge Financial, Inc.	115,247	$565.9K
Parallax Volatility Advisers, L.P.	75,000	$368.3K
XTX Topco Ltd	73,679	$361.8K
Fox Run Management, L.L.C.	68,390	$335.8K
Wolverine Trading, LLC	58,998	$290.9K
FORA Capital, LLC	47,869	$235.0K
Brevan Howard Capital Management LP	40,016	$196.5K
Virginia Retirement Systems Et Al	33,200	$163.0K
Values First Advisors, Inc.	30,110	$147.9K
Connor, Clark & Lunn Investment Management Ltd.	29,324	$144.0K
Palumbo Wealth Management LLC	27,638	$135.7K
Gotham Asset Management, LLC	23,996	$117.8K
Toronto Dominion Bank	23,750	$116.6K
Campbell & CO Investment Adviser LLC	22,120	$108.6K
Headlands Technologies LLC	22,063	$108.3K
Syon Capital LLC	21,085	$103.5K
Caliber Wealth Management, LLC	20,150	$98.9K
Bayesian Capital Management, LP	18,900	$92.8K
World Equity Group, Inc.	17,400	$85.4K
Inceptionr LLC	16,021	$78.7K
SIH Partners, LLLP	13,497	$66.3K
Kovack Advisors, Inc.	12,433	$61.0K
Buckingham Strategic Partners	11,344	$55.7K
TownSquare Capital, LLC	11,237	$55.2K
Rehmann Capital Advisory Group	10,000	$49.1K
Willis Johnson & Associates, Inc.	10,000	$49.1K
Newbridge Financial Services Group, Inc.	7,000	$34.4K
Aster Capital Management (DIFC) Ltd	1,113	$5.97K
Coldstream Capital Management Inc	1,113	$5.46K
Smartleaf Asset Management LLC	723	$3.56K
Clear Street Markets LLC	478	$2.35K
Farther Finance Advisors, LLC	409	$1.96K
Boston Private Wealth LLC	312	$1.53K
US Bancorp	283	$1.39K
Stephens Consulting, LLC	75	$369

Not filed for Q2 2025 yet (2)

Institutions that held Ardelyx, Inc. at the end of Q1 2025 and haven't filed a 13F for Q2 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ARDX in Q1 2025 that haven't filed for Q2 2025
Institution	Shares, Q1 2025	Value, Q1 2025
Orion Portfolio Solutions, LLC	16,721	$82.1K
Lindbrook Capital, LLC	336	$1.65K