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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 2025

Institutional positions in Ardelyx, Inc. as of Jun 30, 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
206
−13 vs. Q1 2025
Shares held
167.8M
+3.15M (+1.9%) vs. Q1 2025
Total value
$657.3M
−$151.3M (−18.7%) vs. Q1 2025
New holders
30
79 more added
Sold out
43
63 more reduced

2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 206 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 2025: $657.3M
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 2025

Shares, value and share of portfolio for each institution holding Ardelyx, Inc.; share changes are against Q1 2025.

Institutions holding ARDX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.20,747,853$81.3M0.00%+2,799,200+15.6%Added
Vanguard Group Inc16,031,649$62.8M0.00%+1,034,415+6.9%Added
Janus Henderson Group PLC15,057,940$59.1M0.03%−9,919,066−39.7%Reduced
Millennium Management LLC11,663,229$45.7M0.04%+5,197,967+80.4%Added
Macquarie Group Ltd11,457,557$44.9M0.06%+299,418+2.7%Added
Marshall Wace, LLP11,250,652$44.1M0.05%+2,866,843+34.2%Added
State Street Corp9,841,871$38.6M0.00%−334,648−3.3%Reduced
Geode Capital Management, LLC5,666,088$22.2M0.00%−6,521−0.1%Reduced
Bank of America Corp5,527,988$21.7M0.00%+2,600,080+88.8%Added
Goldman Sachs Group Inc4,003,536$15.7M0.00%+1,624,798+68.3%Added
Nuveen, LLC3,489,944$13.7M0.00%+81,499+2.4%Added
D. E. Shaw & Co., Inc.2,458,666$9.64M0.01%+542,141+28.3%Added
Morgan Stanley2,343,605$9.19M0.00%−862,733−26.9%Reduced
AQR Capital Management LLC2,312,363$9.06M0.01%+739,300+47.0%Added
Rock Springs Capital Management LP2,286,273$8.96M0.56%+681,298+42.4%Added
Citadel Advisors LLC2,211,260$8.67M0.01%−979,095−30.7%Reduced
Charles Schwab Investment Management Inc2,196,848$8.61M0.00%+129,320+6.3%Added
Northern Trust Corp2,121,172$8.31M0.00%−51,647−2.4%Reduced
Two Sigma Investments, LP2,021,463$7.92M0.01%+1,011,325+100.1%Added
Jones Financial Companies LLLP1,843,187$6.80M0.01%+238,089+14.8%Added
Two Seas Capital LP1,539,416$6.03M0.59%−580,921−27.4%Reduced
Oracle Investment Management Inc1,430,728$5.61M4.85%−973,710−40.5%Reduced
Algert Global LLC1,338,438$5.25M0.11%+430,920+47.5%Added
Renaissance Technologies LLC1,301,193$5.10M0.01%−50,400−3.7%Reduced
Two Sigma Advisers, LP1,236,500$4.85M0.01%+642,400+108.1%Added
Standard Life Aberdeen plc1,112,476$4.36M0.01%+260,757+30.6%Added
Balyasny Asset Management LLC1,069,856$4.19M0.01%+503,420+88.9%Added
Susquehanna International Group, LLP945,284$3.71M0.01%−158,040−14.3%Reduced
ADAR1 Capital Management, LLC915,130$3.59M0.58%+424,387+86.5%Added
Barclays PLC892,707$3.50M0.00%+449,467+101.4%Added
UBS Group AG887,928$3.48M0.00%+66,737+8.1%Added
Trexquant Investment LP776,187$3.04M0.03%−971,546−55.6%Reduced
Hennion & Walsh Asset Management, Inc.770,357$3.02M0.12%−60,562−7.3%Reduced
Jane Street Group, LLC768,192$3.01M0.00%−1,676,856−68.6%Reduced
Bank of New York Mellon Corp725,165$2.84M0.00%+14,568+2.1%Added
Capital Fund Management S.A.716,122$2.81M0.03%+496,410+225.9%Added
Panagora Asset Management Inc660,379$2.59M0.01%−21,852−3.2%Reduced
UBS Asset Management Americas Inc634,245$2.49M0.00%+111,396+21.3%Added
Stonepine Capital Management, LLC555,000$2.18M2.14%+555,000New
Palisades Investment Partners, LLC521,240$2.04M0.89%−2,105−0.4%Reduced
Pekin Hardy Strauss, Inc.463,430$1.82M0.21%+300+0.1%Added
Swiss National Bank458,900$1.80M0.00%00.0%Unchanged
Prudential Financial Inc374,700$1.47M0.00%+34,090+10.0%Added
State of Wisconsin Investment Board360,219$1.41M0.00%+201,988+127.7%Added
Rafferty Asset Management, LLC359,499$1.41M0.00%−33,929−8.6%Reduced
Rhumbline Advisers349,133$1.37M0.00%+9,697+2.9%Added
Clay Northam Wealth Management, LLC341,715$1.34M0.86%−5,740−1.7%Reduced
First Trust Advisors LP335,597$1.32M0.00%+335,597New
Lion Point Capital, LP335,400$1.31M8.93%00.0%Unchanged
Universal- Beteiligungs- und Servicegesellschaft mbH322,520$1.26M0.00%−102,198−24.1%Reduced
Schonfeld Strategic Advisors LLC318,713$1.25M0.01%+38,284+13.7%Added
Parkman Healthcare Partners LLC301,086$1.18M0.14%+91,505+43.7%Added
Group One Trading, L.P.288,961$1.13M0.04%−60,723−17.4%Reduced
Dark Forest Capital Management LP280,336$1.10M0.04%+116,163+70.8%Added
Legal & General Group Plc275,344$1.08M0.00%+32,738+13.5%Added
Alliancebernstein L.P.263,840$1.03M0.00%00.0%Unchanged
JPMorgan Chase & Co248,927$975.8K0.00%−2,712−1.1%Reduced
New York State Common Retirement Fund248,544$974.3K0.00%00.0%Unchanged
J. Goldman & Co LP245,917$964.0K0.03%+245,917New
ExodusPoint Capital Management, LP244,191$957.0K0.01%−191,940−44.0%Reduced
Harbor Capital Advisors, Inc.233,248$914.0K0.04%+103,385+79.6%Added
Invesco Ltd.229,676$900.3K0.00%+52,147+29.4%Added
Man Group plc227,698$892.6K0.00%+105,853+86.9%Added
Mackenzie Financial Corp220,880$865.9K0.00%+71,722+48.1%Added
California State Teachers Retirement System217,632$853.1K0.00%−2,527−1.1%Reduced
Price T Rowe Associates Inc207,251$813.0K0.00%+24,457+13.4%Added
Raymond James Financial Inc205,456$805.4K0.00%+7,835+4.0%Added
Thrivent Financial for Lutherans205,444$805.0K0.00%−227,161−52.5%Reduced
Monimus Capital Management, LP202,311$793.1K0.64%+41,084+25.5%Added
Ieq Capital, LLC196,111$768.8K0.00%−17,986−8.4%Reduced
Squarepoint Ops LLC180,711$708.4K0.00%+180,711New
Wells Fargo & Company176,354$691.3K0.00%+10,008+6.0%Added
Deutsche Bank AG170,566$668.6K0.00%−137,329−44.6%Reduced
Intech Investment Management LLC166,529$652.8K0.01%+21,028+14.5%Added
Citigroup Inc165,245$647.8K0.00%−323,595−66.2%Reduced
Freestone Grove Partners LP157,391$617.0K0.00%+141,330+880.0%Added
PDT Partners, LLC155,384$609.1K0.03%+155,384New
Mirae Asset Global ETFs Holdings Ltd.147,094$572.5K0.00%−11,967−7.5%Reduced
Russell Investments Group, Ltd.144,516$566.5K0.00%+78,044+117.4%Added
Gsa Capital Partners LLP140,957$553.0K0.04%+44,931+46.8%Added
PFG Investments, LLC133,295$522.5K0.03%00.0%Unchanged
Caption Management, LLC130,500$511.6K0.05%+130,500New
Dynamic Technology Lab Private Ltd130,321$511.0K0.07%−6,802−5.0%Reduced
Simplex Trading, LLC129,681$508.0K0.01%−213,693−62.2%Reduced
LPL Financial LLC126,641$496.4K0.00%+4,079+3.3%Added
Manufacturers Life Insurance Company, The121,082$474.6K0.00%+120+0.1%Added
Virtus Investment Advisers, Inc.119,461$468.3K0.16%+50,946+74.4%Added
HSBC Holdings PLC105,349$416.1K0.00%+78,164+287.5%Added
Cerity Partners LLC105,526$413.7K0.00%+31,757+43.0%Added
CWM Advisors, LLC98,529$386.2K0.04%+28,982+41.7%Added
Wellington Management Group LLP97,599$382.6K0.00%−4,376−4.3%Reduced
EntryPoint Capital, LLC95,113$372.8K0.19%+63,427+200.2%Added
DekaBank Deutsche Girozentrale100,000$367.0K0.00%00.0%Unchanged
Engineers Gate Manager LP91,234$357.6K0.00%−58,558−39.1%Reduced
Henshaw Capital LLC90,260$353.8K0.01%00.0%Unchanged
Jacobs Levy Equity Management, Inc88,198$345.7K0.00%+88,198New
Franklin Resources Inc87,114$341.5K0.00%−17,095−16.4%Reduced
Tyler-Stone Wealth Management84,850$332.6K0.05%−6,000−6.6%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)83,947$329.1K0.00%+11,483+15.8%Added
Ensign Peak Advisors, Inc82,800$324.6K0.00%00.0%Unchanged