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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, Q4 2025

Institutional positions in Ardelyx, Inc. as of Dec 31, 2025. 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
229
+11 vs. Q3 2025
Shares held
166.9M
+5.01M (+3.1%) vs. Q3 2025
Total value
$972.9M
+$85.2M (+9.6%) vs. Q3 2025
New holders
37
79 more added
Sold out
26
84 more reduced

5 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: 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 holdersQ4 2025: 229 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 heldQ4 2025: $972.9M
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, Q4 2025

Shares, value and share of portfolio for each institution holding Ardelyx, Inc.; share changes are against Q3 2025.

Institutions holding ARDX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
China Universal Asset Management Co., Ltd.39,593$230.8K0.02%−2,648−6.3%Reduced
Axq Capital, LP40,139$234.0K0.05%+40,139New
Virginia Retirement Systems Et Al41,750$243.4K0.00%+16,550+65.7%Added
Voya Investment Management LLC42,860$249.9K0.00%00.0%Unchanged
VARCOV Co.45,004$262.4K0.10%+45,004New
Lazard Asset Management LLC45,257$263.8K0.00%+24,676+119.9%Added
KLP Kapitalforvaltning AS51,600$300.8K0.00%+1,500+3.0%Added
Lighthouse Investment Partners, LLC53,006$309.0K0.01%+53,006New
Campbell & CO Investment Adviser LLC53,289$310.7K0.01%+53,289New
ProShare Advisors LLC54,531$317.9K0.00%+5,595+11.4%Added
ExodusPoint Capital Management, LP55,731$324.9K0.00%−79,125−58.7%Reduced
Root Financial Partners, LLC57,539$335.5K0.02%00.0%Unchanged
Vise Technologies, Inc.57,638$336.0K0.01%+57,638New
New York State Common Retirement Fund59,144$344.8K0.00%−16,600−21.9%Reduced
Cerity Partners LLC59,359$346.1K0.00%+2,972+5.3%Added
Persistent Asset Partners Ltd60,490$352.7K0.17%−31,556−34.3%Reduced
State Board of Administration of Florida Retirement System60,780$354.3K0.00%00.0%Unchanged
Gsa Capital Partners LLP61,148$356.0K0.03%−32,112−34.4%Reduced
Citigroup Inc61,816$360.4K0.00%+10,537+20.5%Added
Quadrature Capital Ltd63,566$370.6K0.00%+63,566New
Police & Firemen's Retirement System of New Jersey65,211$380.2K0.00%00.0%Unchanged
Wealth Enhancement Advisory Services, LLC69,447$386.1K0.00%−2,978−4.1%Reduced
Arizona State Retirement System67,989$396.4K0.00%−2,751−3.9%Reduced
Brevan Howard Capital Management LP69,423$404.7K0.01%+69,423New
Los Angeles Capital Management LLC81,128$406.5K0.00%+81,128New
GK Wealth Management LLC74,568$434.7K0.32%+74,568New
CWM Advisors, LLC79,809$465.3K0.04%−1,789−2.2%Reduced
Dynamic Technology Lab Private Ltd81,845$477.0K0.11%−78,491−49.0%Reduced
CWM, LLC92,449$539.0K0.00%−21,782−19.1%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)95,934$559.3K0.00%+11,987+14.3%Added
SEI Investments Co98,424$573.8K0.00%−2,984−2.9%Reduced
HSBC Holdings PLC98,815$581.5K0.00%+11,317+12.9%Added
Wellington Management Group LLP100,087$583.5K0.00%−2,479−2.4%Reduced
Virtus Investment Advisers, Inc.110,048$641.6K0.17%−9,413−7.9%Reduced
Manufacturers Life Insurance Company, The110,220$642.6K0.00%−6,476−5.5%Reduced
Acadian Asset Management LLC113,270$656.0K0.00%+87,328+336.6%Added
Caption Management, LLC115,000$670.5K0.03%+115,000New
Pavaki Capital Management LLC115,000$670.5K0.47%+115,000New
MetLife Investment Management119,103$694.4K0.00%−18,199−13.3%Reduced
XTX Topco Ltd119,643$697.5K0.02%+119,643New
Tudor Investment Corp Et Al123,410$719.5K0.00%−1,529−1.2%Reduced
Man Group plc124,211$724.1K0.00%−70,721−36.3%Reduced
Intech Investment Management LLC124,381$725.1K0.01%+11,074+9.8%Added
Lion Point Capital, LP128,650$750.0K3.88%−34,100−21.0%Reduced
Canada Pension Plan Investment Board131,900$769.0K0.00%+131,900New
Mirae Asset Global ETFs Holdings Ltd.134,029$780.7K0.00%+8,302+6.6%Added
Algert Global LLC134,206$782.4K0.01%+48,470+56.5%Added
Engineers Gate Manager LP137,582$802.1K0.01%−102,808−42.8%Reduced
PFG Investments, LLC137,860$803.7K0.04%−435−0.3%Reduced
DekaBank Deutsche Girozentrale100,000$806.0K0.00%00.0%Unchanged
Profund Advisors LLC145,333$847.3K0.03%+76,071+109.8%Added
Simplex Trading, LLC151,934$885.8K0.02%−57,299−27.4%Reduced
Group One Trading, L.P.153,811$896.7K0.03%+60,540+64.9%Added
Harbor Capital Advisors, Inc.153,825$897.0K0.07%+53,717+53.7%Added
Franklin Resources Inc154,698$901.9K0.00%−601,433−79.5%Reduced
LPL Financial LLC159,932$932.4K0.00%−2,132−1.3%Reduced
Thrivent Financial for Lutherans162,786$949.0K0.00%+6,358+4.1%Added
SG Americas Securities, LLC171,580$1.00M0.00%+39,655+30.1%Added
Raymond James Financial Inc193,769$1.13M0.00%+103,787+115.3%Added
Monimus Capital Management, LP194,734$1.14M0.75%−7,577−3.7%Reduced
State of Wisconsin Investment Board195,944$1.14M0.00%−49,194−20.1%Reduced
Mackenzie Financial Corp199,550$1.16M0.00%+22,715+12.8%Added
Headlands Technologies LLC199,280$1.16M0.10%+108,113+118.6%Added
Jump Financial, LLC199,470$1.16M0.01%+161,870+430.5%Added
California State Teachers Retirement System217,662$1.27M0.00%+190.0%Added
Walleye Capital LLC221,308$1.29M0.01%−989,763−81.7%Reduced
Price T Rowe Associates Inc234,466$1.37M0.00%+7,146+3.1%Added
Ieq Capital, LLC246,434$1.44M0.00%−7,967−3.1%Reduced
Diadema Partners LP252,198$1.47M0.88%−147,802−37.0%Reduced
Alliancebernstein L.P.267,340$1.56M0.00%00.0%Unchanged
Legal & General Group Plc268,263$1.56M0.00%−878−0.3%Reduced
Raiffeisen Bank International AG270,000$1.57M0.02%+270,000New
Capital Fund Management S.A.283,892$1.66M0.02%−211,461−42.7%Reduced
Rhumbline Advisers297,924$1.74M0.00%−42,964−12.6%Reduced
Pekin Hardy Strauss, Inc.305,230$1.78M0.16%−97,000−24.1%Reduced
Clay Northam Wealth Management, LLC315,015$1.84M1.02%−8,450−2.6%Reduced
Invesco Ltd.317,410$1.85M0.00%+59,597+23.1%Added
Wells Fargo & Company318,413$1.86M0.00%+117,176+58.2%Added
Trexquant Investment LP327,159$1.91M0.02%−177,169−35.1%Reduced
Squarepoint Ops LLC346,142$2.02M0.00%−50,678−12.8%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH347,609$2.03M0.00%+2,532+0.7%Added
Schroder Investment Management Group368,448$2.14M0.00%+368,448New
Prudential Financial Inc388,840$2.27M0.00%−60,375−13.4%Reduced
Rafferty Asset Management, LLC390,214$2.27M0.01%+75,433+24.0%Added
UBS Asset Management Americas Inc431,247$2.51M0.00%+61,138+16.5%Added
Swiss National Bank475,200$2.77M0.00%+11,300+2.4%Added
Y-Intercept (Hong Kong) Ltd499,668$2.91M0.07%+193,121+63.0%Added
Deutsche Bank AG500,195$2.92M0.00%+306,199+157.8%Added
UBS Group AG578,344$3.37M0.00%+117,024+25.4%Added
Panagora Asset Management Inc659,160$3.84M0.01%−527−0.1%Reduced
FMR LLC677,436$3.95M0.00%+656,045+3,066.9%Added
Freestone Grove Partners LP699,133$4.08M0.03%+297,378+74.0%Added
Bank of New York Mellon Corp723,158$4.22M0.00%−16,230−2.2%Reduced
JPMorgan Chase & Co736,190$4.29M0.00%−267,099−26.6%Reduced
Barclays PLC763,364$4.45M0.00%+34,722+4.8%Added
Susquehanna International Group, LLP776,205$4.53M0.01%+156,200+25.2%Added
Point72 Asset Management, L.P.958,690$5.59M0.01%+958,690New
Hennion & Walsh Asset Management, Inc.959,540$5.59M0.19%+179,192+23.0%Added
BNP Paribas Arbitrage, SA1,000,926$5.84M0.00%+135,668+15.7%Added
First Trust Advisors LP1,036,492$6.04M0.00%+853,892+467.6%Added