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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
Covestor Ltd15$00.00%−387−96.3%Reduced
Rockefeller Capital Management L.P.2$120.00%+1+100.0%Added
TFC Financial Management7$410.00%+7New
Concord Wealth Partners8$470.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd28$1630.00%−499−94.7%Reduced
SRS Capital Advisors, Inc.30$1750.00%−167,269−100.0%Reduced
Hughes Financial Services, LLC30$1750.00%+30New
Clearstead Advisors, LLC33$1930.00%−1,760−98.2%Reduced
SJS Investment Consulting Inc.42$2450.00%+42New
True Wealth Design, LLC103$6010.00%−299−74.4%Reduced
Signaturefd, LLC104$6060.00%00.0%Unchanged
Global Retirement Partners, LLC118$6880.00%00.0%Unchanged
Thompson Investment Management, Inc.185$1.08K0.00%00.0%Unchanged
CoreCap Advisors, LLC200$1.17K0.00%00.0%Unchanged
Parkside Financial Bank & Trust239$1.39K0.00%+99+70.7%Added
Smartleaf Asset Management LLC269$1.56K0.00%+243+934.6%Added
The PNC Financial Services Group, Inc.298$1.74K0.00%−10−3.2%Reduced
Larson Financial Group LLC303$1.77K0.00%−516−63.0%Reduced
Farther Finance Advisors, LLC378$2.20K0.00%+343+980.0%Added
Rothschild Investment LLC581$3.39K0.00%+81+16.2%Added
Aventura Private Wealth, LLC672$3.92K0.00%00.0%Unchanged
Daiwa Securities Group Inc.754$4.00K0.00%00.0%Unchanged
Parallel Advisors, LLC835$4.87K0.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co922$5.38K0.00%+922New
GAMMA Investing LLC923$5.38K0.00%+375+68.4%Added
Comerica Bank985$5.74K0.00%00.0%Unchanged
Garner Asset Management Corp1,000$5.83K0.00%+1,000New
Brown Brothers Harriman & Co1,147$6.69K0.00%+753+191.1%Added
Sound Income Strategies, LLC1,193$8.05K0.00%+1,193New
Torren Management, LLC1,419$8.27K0.00%+1,419New
Truvestments Capital LLC1,530$8.92K0.00%00.0%Unchanged
Sterling Capital Management LLC1,568$9.14K0.00%+996+174.1%Added
IFP Advisors, Inc1,798$10.5K0.00%−14−0.8%Reduced
Webster Bank, N. A.2,000$11.7K0.00%00.0%Unchanged
Essential Partners LLC2,568$15.0K0.00%−174−6.3%Reduced
Kemnay Advisory Services Inc.2,621$15.3K0.00%+2,621New
Allworth Financial LP2,815$16.4K0.00%−457−14.0%Reduced
Nisa Investment Advisors, LLC2,846$16.6K0.00%−753−20.9%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.2,970$17.0K0.00%+842+39.6%Added
MAI Capital Management3,047$17.8K0.00%+3,047New
GF Fund Management Co. Ltd.4,774$27.8K0.00%−411−7.9%Reduced
HighMark Wealth Management LLC4,985$29.1K0.01%00.0%Unchanged
EverSource Wealth Advisors, LLC5,436$31.7K0.00%−354−6.1%Reduced
Tower Research Capital LLC (TRC)6,677$38.9K0.00%−3,004−31.0%Reduced
Amalgamated Bank7,529$44.0K0.00%−593−7.3%Reduced
Royal Bank of Canada7,831$46.0K0.00%−906,498−99.1%Reduced
First Horizon Corp7,906$46.1K0.00%+4,319+120.4%Added
Cyndeo Wealth Partners, LLC10,000$58.3K0.00%00.0%Unchanged
Palisades Investment Partners, LLC10,147$59.2K0.02%00.0%Unchanged
SBI Securities Co., Ltd.10,275$59.9K0.00%+22+0.2%Added
Quantinno Capital Management LP10,282$59.9K0.00%+10,282New
KBC Group NV10,361$60.0K0.00%00.0%Unchanged
Sumitomo Mitsui Trust Holdings, Inc.10,320$60.2K0.00%+10,320New
R Squared Ltd10,788$62.9K0.03%−552−4.9%Reduced
Cambridge Investment Research Advisors, Inc.10,930$64.0K0.00%+10,930New
Two Sigma Securities, LLC11,001$64.1K0.01%+11,001New
Ameriprise Financial Inc11,128$64.9K0.00%+830+8.1%Added
Vontobel Holding Ltd.11,470$66.9K0.00%00.0%Unchanged
Swiss Life Asset Management Ltd11,579$67.5K0.00%+1,251+12.1%Added
Advisor Group Holdings, Inc.11,805$68.8K0.00%−4,810−28.9%Reduced
Mirae Asset Global Investments Co., Ltd.11,807$68.8K0.00%+2,491+26.7%Added
Integrated Wealth Concepts LLC12,061$70.3K0.00%−3,202−21.0%Reduced
State of Wyoming12,701$74.0K0.01%+12,701New
Chicago Trust Co NA13,200$77.0K0.01%00.0%Unchanged
Winton Group Ltd13,500$78.7K0.00%+13,500New
Sargent Investment Group, LLC14,000$81.6K0.01%+14,000New
Steward Partners Investment Advisory, LLC14,021$81.7K0.00%+6,293+81.4%Added
Principal Financial Group Inc14,317$83.5K0.00%−3,951−21.6%Reduced
Abel Hall, LLC15,847$92.4K0.02%+15,847New
CIBC World Markets Corp15,854$92.4K0.00%+15,854New
Brinker Capital Investments, LLC16,305$95.1K0.00%−257−1.6%Reduced
Balyasny Asset Management LLC17,222$100.4K0.00%−301,223−94.6%Reduced
Ensign Peak Advisors, Inc17,500$102.0K0.00%−38,150−68.6%Reduced
Great West Life Assurance Co17,670$103.0K0.00%−44,252−71.5%Reduced
GWM Advisors LLC17,909$104.4K0.00%+16,909+1,690.9%Added
Xponance, Inc.18,947$110.5K0.00%+468+2.5%Added
Ameritas Investment Partners, Inc.19,715$114.9K0.00%00.0%Unchanged
Captrust Financial Advisors19,947$116.3K0.00%−1,896−8.7%Reduced
DCF Advisers, LLC20,000$116.6K0.04%+10,000+100.0%Added
Farallon Capital Management, L.L.C.23,000$134.1K0.00%00.0%Unchanged
Merit Financial Group, LLC24,250$141.4K0.00%+570+2.4%Added
Blair William & Co24,507$142.9K0.00%+70.0%Added
Public Employees Retirement Association of Colorado24,496$143.0K0.00%00.0%Unchanged
Colony Group, LLC24,692$144.0K0.00%+4,600+22.9%Added
Change Path, LLC25,793$150.4K0.00%−3,550−12.1%Reduced
Victory Capital Management Inc26,883$156.7K0.00%+141+0.5%Added
Russell Investments Group, Ltd.27,116$158.1K0.00%−88−0.3%Reduced
Stifel Financial Corp27,455$160.1K0.00%+27,455New
STRS Ohio27,500$160.3K0.00%00.0%Unchanged
Pallas Capital Advisors LLC27,884$162.6K0.01%−40−0.1%Reduced
Creative Planning28,436$165.8K0.00%+3,171+12.6%Added
Oxford Asset Management LLP29,225$170.4K0.06%−122,557−80.7%Reduced
Fox Run Management, L.L.C.29,362$171.2K0.03%−19,542−40.0%Reduced
Crux Wealth Advisors30,973$180.6K0.07%+3,035+10.9%Added
Sig Brokerage, LP31,891$185.9K0.06%00.0%Unchanged
Pictet Asset Management Holding SA32,479$189.4K0.00%00.0%Unchanged
Commonwealth Equity Services, LLC33,350$194.4K0.00%−5,682−14.6%Reduced
Mariner, LLC35,442$206.4K0.00%−3,058−7.9%Reduced
Teacher Retirement System of Texas35,686$208.1K0.00%−22,932−39.1%Reduced
Mercer Global Advisors Inc38,512$224.5K0.00%+1,722+4.7%Added