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Ardelyx, Inc.

ARDX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001437402

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.

13F holders, Q2 2026

Institutional positions in Ardelyx, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
250
+10 vs. Q1 2026
Shares held
177.4M
+16.3M (+10.1%) vs. Q1 2026
Total value
$906.4M
−$57.2M (−5.9%) vs. Q1 2026
New holders
44
88 more added
Sold out
34
87 more reduced

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ARDX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 250 institutions
Q1 2021: 125 institutionsQ2 2021: 127 institutionsQ3 2021: 108 institutionsQ4 2021: 100 institutionsQ1 2022: 89 institutionsQ2 2022: 78 institutionsQ3 2022: 83 institutionsQ4 2022: 104 institutionsQ1 2023: 130 institutionsQ2 2023: 146 institutionsQ3 2023: 150 institutionsQ4 2023: 161 institutionsQ1 2024: 189 institutionsQ2 2024: 197 institutionsQ3 2024: 203 institutionsQ4 2024: 213 institutionsQ1 2025: 221 institutionsQ2 2025: 206 institutionsQ3 2025: 223 institutionsQ4 2025: 229 institutionsQ1 2026: 242 institutionsQ2 2026: 250 institutions
Value heldQ2 2026: $906.4M
Q1 2021: $559.7MQ2 2021: $643.2MQ3 2021: $66.7MQ4 2021: $46.0MQ1 2022: $42.4MQ2 2022: $22.7MQ3 2022: $79.6MQ4 2022: $225.7MQ1 2023: $550.1MQ2 2023: $426.0MQ3 2023: $513.5MQ4 2023: $849.0MQ1 2024: $1.03BQ2 2024: $1.07BQ3 2024: $982.8MQ4 2024: $765.2MQ1 2025: $808.7MQ2 2025: $657.3MQ3 2025: $891.4MQ4 2025: $972.9MQ1 2026: $1.01BQ2 2026: $906.4M
Institutions holding ARDX and their total value by quarter
QuarterHoldersValue
Q2 2026250$906.4M
Q1 2026242$1.01B
Q4 2025229$972.9M
Q3 2025223$891.4M
Q2 2025206$657.3M
Q1 2025221$808.7M
Q4 2024213$765.2M
Q3 2024203$982.8M
Q2 2024197$1.07B
Q1 2024189$1.03B
Q4 2023161$849.0M
Q3 2023150$513.5M
Q2 2023146$426.0M
Q1 2023130$550.1M
Q4 2022104$225.7M
Q3 202283$79.6M
Q2 202278$22.7M
Q1 202289$42.4M
Q4 2021100$46.0M
Q3 2021108$66.7M
Q2 2021127$643.2M
Q1 2021125$559.7M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Ardelyx, Inc.; share changes are against Q1 2026.

Institutions holding ARDX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Price T Rowe Associates Inc359,635$1.83M0.00%+65,928+22.4%Added
Universal- Beteiligungs- und Servicegesellschaft mbH411,386$2.10M0.00%+54,206+15.2%Added
Hussman Strategic Advisors, Inc.420,000$2.14M0.49%+420,000New
Swiss National Bank467,600$2.38M0.00%−13,200−2.7%Reduced
Mackenzie Financial Corp474,094$2.42M0.00%+474,094New
UBS Asset Management Americas Inc486,412$2.48M0.00%+45,738+10.4%Added
Krensavage Asset Management, LLC534,523$2.73M1.04%+34,523+6.9%Added
Jump Financial, LLC536,981$2.74M0.02%+536,981New
UBS Group AG551,721$2.81M0.00%−136,928−19.9%Reduced
Raymond James Financial Inc562,672$2.87M0.00%+75,960+15.6%Added
Redmile Group, LLC641,750$3.27M0.22%−91,600−12.5%Reduced
Trexquant Investment LP660,586$3.37M0.02%−144,148−17.9%Reduced
Sector Gamma AS686,844$3.50M0.76%+170,713+33.1%Added
Squarepoint Ops LLC715,262$3.65M0.01%+17,978+2.6%Added
Bank of New York Mellon Corp749,676$3.82M0.00%+48,893+7.0%Added
ExodusPoint Capital Management, LP752,923$3.84M0.04%+752,923New
Deutsche Bank AG770,910$3.93M0.00%+62,321+8.8%Added
BNP Paribas Arbitrage, SA810,322$4.13M0.00%+111,578+16.0%Added
Panagora Asset Management Inc890,944$4.54M0.01%+890,944New
Renaissance Technologies LLC892,593$4.55M0.01%−379,848−29.9%Reduced
Susquehanna International Group, LLP916,037$4.67M0.00%+214,069+30.5%Added
Citadel Advisors LLC1,030,174$5.25M0.00%−2,434,600−70.3%Reduced
Schroder Investment Management Group1,161,238$6.07M0.00%+741,470+176.6%Added
Hennion & Walsh Asset Management, Inc.1,211,690$6.18M0.18%+210,209+21.0%Added
First Trust Advisors LP1,301,624$6.64M0.00%−197,174−13.2%Reduced
Invesco Ltd.1,368,868$6.98M0.00%+1,056,156+337.7%Added
J. Goldman & Co LP1,579,828$8.06M0.28%−1,420,685−47.3%Reduced
Eversept Partners, LP1,678,345$8.56M0.47%−551,101−24.7%Reduced
Vanguard Fiduciary Trust Co1,754,819$8.95M0.00%+76,708+4.6%Added
Jones Financial Companies LLLP1,765,932$9.80M0.00%−92,959−5.0%Reduced
Qube Research & Technologies Ltd2,090,675$10.7M0.01%−344,873−14.2%Reduced
Bank of America Corp2,163,500$11.0M0.00%−173,494−7.4%Reduced
Charles Schwab Investment Management Inc2,211,760$11.3M0.00%+97,662+4.6%Added
Rock Springs Capital Management LP2,241,769$11.4M0.56%−57,704−2.5%Reduced
Northern Trust Corp2,280,143$11.6M0.00%+209,096+10.1%Added
AQR Capital Management LLC2,316,220$11.8M0.00%−123,230−5.1%Reduced
Morgan Stanley2,389,546$12.2M0.00%+680,573+39.8%Added
AIGH Capital Management LLC3,200,000$16.3M1.48%+3,200,000New
Goldman Sachs Group Inc3,685,034$18.8M0.00%+468,824+14.6%Added
Nuveen, LLC3,997,099$20.4M0.00%−1,237,584−23.6%Reduced
Two Sigma Investments, LP5,209,823$26.6M0.02%+935,780+21.9%Added
Jupiter Topco LLC5,302,311$27.0M0.01%+5,302,311New
Geode Capital Management, LLC6,401,736$32.7M0.00%+394,281+6.6%Added
Vanguard Portfolio Management LLC8,026,774$40.9M0.00%+1,365,081+20.5%Added
Nomura Asset Management International Inc.9,546,732$48.7M0.07%+1,377,363+16.9%Added
Vanguard Capital Management LLC10,471,494$53.4M0.00%+105,982+1.0%Added
State Street Corp13,356,128$68.1M0.00%−248,179−1.8%Reduced
Millennium Management LLC13,900,773$70.9M0.05%−3,941,597−22.1%Reduced
Rubric Capital Management LP16,202,700$82.6M0.76%+14,341,804+770.7%Added
BlackRock, Inc.23,504,630$119.9M0.00%+2,340,498+11.1%Added
Point72 Asset Management, L.P.0$00.00%−2,984,261−100.0%Sold out
Jane Street Group, LLC0$00.00%−1,179,379−100.0%Sold out
Ishara Investments LP0$00.00%−451,000−100.0%Sold out
HRT Financial LP0$00.00%−325,124−100.0%Sold out
Capital Fund Management S.A.0$00.00%−165,498−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−101,378−100.0%Sold out
Man Group plc0$00.00%−79,602−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−74,100−100.0%Sold out
Vise Technologies, Inc.0$00.00%−57,638−100.0%Sold out
Virtu Financial LLC0$00.00%−56,057−100.0%Sold out
Axq Capital, LP0$00.00%−41,421−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−39,299−100.0%Sold out
Virginia Retirement Systems Et Al0$00.00%−34,550−100.0%Sold out
Lighthouse Investment Partners, LLC0$00.00%−33,706−100.0%Sold out
LightSquare Wealth Management, LLC0$00.00%−28,229−100.0%Sold out
Leonteq Securities AG0$00.00%−18,000−100.0%Sold out
Entropy Technologies, LP0$00.00%−23,145−100.0%Sold out
Farallon Capital Management, L.L.C.0$00.00%−23,000−100.0%Sold out
Scientech Research LLC0$00.00%−17,799−100.0%Sold out
Vontobel Holding Ltd.0$00.00%−16,470−100.0%Sold out
Brinker Capital Investments, LLC0$00.00%−15,777−100.0%Sold out
Susquehanna Portfolio Strategies, LLC0$00.00%−14,396−100.0%Sold out
Gotham Asset Management, LLC0$00.00%−13,455−100.0%Sold out
Richmond Investment Services, LLC0$00.00%−12,000−100.0%Sold out
Krilogy Financial LLC0$00.00%−11,124−100.0%Sold out
JustInvest LLC0$00.00%−10,810−100.0%Sold out
Sumitomo Mitsui Trust Holdings, Inc.0$00.00%−10,320−100.0%Sold out
Buckingham Strategic Partners0$00.00%−10,264−100.0%Sold out
MAI Capital Management0$00.00%−5,987−100.0%Sold out
Sound Income Strategies, LLC0$00.00%−1,399−100.0%Sold out
Aventura Private Wealth, LLC0$00.00%−672−100.0%Sold out
Aster Capital Management (DIFC) Ltd0$00.00%−509−100.0%Sold out
CoreCap Advisors, LLC0$00.00%−200−100.0%Sold out
Versant Capital Management, Inc0$00.00%−34−100.0%Sold out
Janus Henderson Group PLC––––Not filed
CWM, LLC––––Not filed