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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
Stifel Financial Corp27,955$142.6K0.00%+900+3.3%Added
E Fund Management Co., Ltd.29,069$148.3K0.00%−22,199−43.3%Reduced
Colony Group, LLC29,169$148.8K0.00%−2,723−8.5%Reduced
Oxford Asset Management LLP32,301$164.7K0.08%+18,541+134.7%Added
V. M. Manning & Co., Inc.34,585$176.4K0.15%+34,585New
Commonwealth Equity Services, LLC35,585$181.5K0.00%+40.0%Added
IMC-Chicago, LLC36,248$184.9K0.00%+11,525+46.6%Added
Massachusetts Financial Services Co36,762$187.5K0.00%+36,762New
Mitsubishi UFJ Trust & Banking Corp38,051$194.1K0.00%+38,051New
China Universal Asset Management Co., Ltd.39,315$200.5K0.01%−4,206−9.7%Reduced
Crux Wealth Advisors39,348$200.7K0.07%+3,536+9.9%Added
ProShare Advisors LLC40,108$204.6K0.00%−5,599−12.2%Reduced
Pictet Asset Management Holding SA40,610$207.1K0.00%00.0%Unchanged
GK Wealth Management LLC40,868$208.4K0.13%+40,868New
Lazard Asset Management LLC41,192$210.1K0.00%−3,077−7.0%Reduced
Chicago Partners Investment Group LLC43,092$221.1K0.00%+30,397+239.4%Added
Creative Planning44,760$228.3K0.00%−283−0.6%Reduced
Blueshift Asset Management, LLC45,095$230.0K0.05%+14,691+48.3%Added
CenterBook Partners LP46,604$237.7K0.01%+46,604New
Voya Investment Management LLC47,349$241.5K0.00%−50,516−51.6%Reduced
Quantinno Capital Management LP47,922$244.4K0.00%+29,148+155.3%Added
KLP Kapitalforvaltning AS51,600$263.2K0.00%00.0%Unchanged
Mariner, LLC53,978$275.3K0.00%−16,520−23.4%Reduced
Canada Pension Plan Investment Board54,000$275.4K0.00%−57,700−51.7%Reduced
Marshall Wace, LLP56,495$288.1K0.00%−1,544,362−96.5%Reduced
Rockefeller Capital Management L.P.57,701$294.3K0.00%+271+0.5%Added
Root Financial Partners, LLC58,036$296.0K0.01%+497+0.9%Added
PSP Research LLC60,000$306.0K0.16%−20,000−25.0%Reduced
State Board of Administration of Florida Retirement System60,780$310.0K0.00%00.0%Unchanged
Vanguard Investments Australia, Ltd.61,084$311.5K0.00%00.0%Unchanged
Mercer Global Advisors Inc63,242$322.5K0.00%+3,010+5.0%Added
EntryPoint Capital, LLC64,028$326.5K0.08%+64,028New
Arizona State Retirement System64,287$327.9K0.00%−2,453−3.7%Reduced
STRS Ohio67,500$344.3K0.00%+12,200+22.1%Added
Intech Investment Management LLC68,689$350.3K0.00%−16,215−19.1%Reduced
FMR LLC69,429$354.1K0.00%−56,877−45.0%Reduced
Cerity Partners LLC71,436$364.3K0.00%+2,671+3.9%Added
Gsa Capital Partners LLP71,826$366.0K0.02%−401,235−84.8%Reduced
Police & Firemen's Retirement System of New Jersey72,449$369.5K0.00%+7,238+11.1%Added
Martingale Asset Management L P74,006$377.4K0.01%+74,006New
State of New Jersey Common Pension Fund D75,334$384.2K0.00%−7,704−9.3%Reduced
New York State Common Retirement Fund75,544$385.3K0.00%00.0%Unchanged
Balyasny Asset Management LLC76,598$390.6K0.00%−123,623−61.7%Reduced
SRS Capital Advisors, Inc.76,931$392.3K0.00%+76,612+24,016.3%Added
Persistent Asset Partners Ltd77,371$394.6K0.12%+77,371New
Natixis78,207$398.9K0.00%+78,207New
Barclays PLC85,577$436.4K0.00%+23,180+37.1%Added
Kornitzer Capital Management Inc88,041$449.0K0.01%+88,041New
Wealth Enhancement Advisory Services, LLC85,573$451.8K0.00%−5,985−6.5%Reduced
Wellington Management Group LLP90,358$460.8K0.00%−4,826−5.1%Reduced
Diversified Trust Co97,247$496.0K0.01%+97,247New
Acadian Asset Management LLC97,921$497.0K0.00%−17,413−15.1%Reduced
HSBC Holdings PLC100,550$509.3K0.00%+6,619+7.0%Added
Russell Investments Group, Ltd.102,617$523.3K0.00%+46,331+82.3%Added
SG Americas Securities, LLC103,174$526.0K0.00%−3,627−3.4%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)103,494$527.8K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The104,922$535.1K0.00%−2,217−2.1%Reduced
Profund Advisors LLC105,338$537.2K0.01%−76,723−42.1%Reduced
Group One Trading, L.P.105,903$540.1K0.02%−14,424−12.0%Reduced
Vanguard Global Advisers, LLC112,904$575.8K0.00%00.0%Unchanged
Pavaki Capital Management LLC115,000$586.5K0.33%00.0%Unchanged
Prudential Financial Inc115,790$590.5K0.00%+3,400+3.0%Added
DekaBank Deutsche Girozentrale100,000$591.0K0.00%00.0%Unchanged
Trust Co116,369$593.5K0.05%+116,369New
Sectoral Asset Management Inc122,394$624.2K0.44%00.0%Unchanged
Lion Point Capital, LP128,650$656.1K3.14%00.0%Unchanged
Los Angeles Capital Management LLC129,367$659.8K0.00%+128,440+13,855.4%Added
Caption Management, LLC130,000$663.0K0.02%+25,800+24.8%Added
CWM Advisors, LLC134,251$684.7K0.03%+47,433+54.6%Added
Mirae Asset Global ETFs Holdings Ltd.136,512$699.3K0.00%−4,769−3.4%Reduced
PFG Investments, LLC137,660$702.1K0.03%−200−0.1%Reduced
MetLife Investment Management142,652$727.5K0.00%+9,647+7.3%Added
State of Wisconsin Investment Board143,425$731.5K0.00%−16,323−10.2%Reduced
Simplex Trading, LLC151,427$772.3K0.02%−23,434−13.4%Reduced
SEI Investments Co152,059$775.5K0.00%+17,646+13.1%Added
Vanguard Asset Management, Ltd166,521$849.3K0.00%00.0%Unchanged
Walleye Capital LLC171,014$872.2K0.00%+171,014New
Carrera Capital Advisors195,159$995.3K0.15%+4,015+2.1%Added
Legal & General Group Plc195,464$996.9K0.00%−11,198−5.4%Reduced
Monimus Capital Management, LP195,611$997.6K0.25%−248,164−55.9%Reduced
Franklin Resources Inc201,445$1.03M0.00%+16,195+8.7%Added
Virtus Investment Advisers, Inc.204,373$1.04M0.24%+68,419+50.3%Added
Rafferty Asset Management, LLC206,163$1.05M0.00%−201,691−49.5%Reduced
Thrivent Financial for Lutherans210,555$1.07M0.00%+14,238+7.3%Added
LPL Financial LLC210,612$1.07M0.00%−708−0.3%Reduced
Pekin Hardy Strauss, Inc.226,400$1.15M0.10%−29,400−11.5%Reduced
Headlands Technologies LLC240,796$1.23M0.13%+18,264+8.2%Added
Ieq Capital, LLC240,798$1.23M0.01%−54,697−18.5%Reduced
JPMorgan Chase & Co225,800$1.24M0.00%−204,336−47.5%Reduced
Freestone Grove Partners LP253,692$1.29M0.01%−1,626,091−86.5%Reduced
Knott David M Jr263,168$1.34M0.71%+56,168+27.1%Added
Wells Fargo & Company280,470$1.43M0.00%+137,431+96.1%Added
Y-Intercept (Hong Kong) Ltd290,254$1.48M0.03%−160,484−35.6%Reduced
California State Teachers Retirement System295,635$1.51M0.00%−7,502−2.5%Reduced
Diadema Partners LP303,025$1.55M0.55%+303,025New
Rhumbline Advisers305,800$1.56M0.00%+13,960+4.8%Added
Raiffeisen Bank International AG300,000$1.57M0.02%00.0%Unchanged
Alliancebernstein L.P.264,770$1.59M0.00%00.0%Unchanged
Citigroup Inc311,021$1.59M0.00%+244,885+370.3%Added
Clay Northam Wealth Management, LLC334,115$1.70M0.84%+2,150+0.6%Added