Ticker · CUSIP 039697107

ARDX

ARDELYX INC
···Share
Holders (tracked)
13
Combined shares
23,303,529
Combined value
$134.49M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
13102024Q12025Q4

SEC event timeline

17 events
  1. −201,079 shares · 2025Q4
    13F
  2. +383,121 shares · 2025Q4
    13F
  3. −1,901,783 shares · 2025Q4
    13F
  4. +4,267,524 shares · 2025Q4
    13F
  5. +958,690 shares · 2025Q4
    13F
  6. +7,146 shares · 2025Q4
    13F
  7. +123,410 shares · 2025Q4
    13F
  8. −2,479 shares · 2025Q4
    13F
  9. −119,041 shares · 2025Q4
    13F
  10. +104,700 shares · 2025Q4
    13F
  11. +4,967 shares · 2025Q3
    13F
  12. −4,021,242 shares · 2025Q3
    13F
  13. −168,239 shares · 2025Q3
    13F
  14. +469,385 shares · 2025Q3
    13F
  15. +854,384 shares · 2025Q3
    13F
  16. +20,069 shares · 2025Q3
    13F
  17. +388,900 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions2
Added to4
Trimmed4
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
6
$9.3M
2022Q2
9
$5.4M
2022Q3
7
$6K
2022Q4
9
$16.9M
2023Q1
10
$35.4M
2023Q2
9
$76.3M
2023Q3
9
$76.5M
2023Q4
7
$112.3M
2024Q1
10
$163.9M
2024Q2
10
$179.8M
2024Q3
9
$60.5M
2024Q4
10
$54.9M
2025Q1
11
$80.3M
2025Q2
11
$89.3M
2025Q3
11
$107.5M
2025Q4
13
$134.5M

Who owns ARDX

13 super-investors · 2025Q4
Tracked stake
23.30M
shares
Combined value
$134M
% of shares outstanding
shares-out unknown
Quarter action mix
New2Added5Trim6
#ManagerSharesValue
1Izzy Englander
Millennium Mgmt
11.91M$69M
2Two Sigma Investments2.87M$17M
3AQR Capital Management2.03M$12M
4Renaissance Technologies1.79M$10M
5D.E. Shaw & Co.1.41M$8M
6Ken Griffin
Citadel Advisors
1.33M$8M
7Steve Cohen
Point72
958.7K$6M
8Ken Griffin
Citadel Advisors
231.8K$1M
9Ken Griffin
Citadel Advisors
220.1K$1M
10Paul Tudor Jones
Tudor Investment
123.4K$719K
11Wellington Management100.1K$584K
12Izzy Englander
Millennium Mgmt
92.9K$542K
13T. Rowe Price234.5K$1K

Recent moves

20 transactions
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