Citadel Advisors’s Ardelyx ARDX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$1.03M Sell
172,000
-59,800
-26% -$396K ﹤0.01% 7595
2025
Q4
$1.35M Sell
231,800
-151,900
-40% -$846K ﹤0.01% 6752
2025
Q3
$2.11M Sell
383,700
-91,900
-19% -$499K ﹤0.01% 5965
2025
Q2
$1.86M Buy
475,600
+27,500
+6% +$113K ﹤0.01% 5823
2025
Q1
$2.2M Sell
448,100
-92,600
-17% -$497K ﹤0.01% 5344
2024
Q4
$2.74M Buy
540,700
+53,800
+11% +$297K ﹤0.01% 4990
2024
Q3
$3.35M Sell
486,900
-2,300
-0.5% -$13.6K ﹤0.01% 4603
2024
Q2
$3.62M Buy
489,200
+131,200
+37% +$923K ﹤0.01% 4268
2024
Q1
$2.61M Buy
358,000
+63,800
+22% +$546K ﹤0.01% 5016
2023
Q4
$1.82M Sell
294,200
-10,000
-3% -$44.9K ﹤0.01% 5527
2023
Q3
$1.24M Buy
304,200
+71,300
+31% +$278K ﹤0.01% 6126
2023
Q2
$790K Sell
232,900
-65,700
-22% -$269K ﹤0.01% 6953
2023
Q1
$1.43M Sell
298,600
-181,600
-38% -$612K ﹤0.01% 6010
2022
Q4
$1.37M Buy
480,200
+409,000
+574% +$692K ﹤0.01% 6217
2022
Q3
$85K Buy
71,200
+22,500
+46% +$21.4K ﹤0.01% 11229
2022
Q2
$29K Sell
48,700
-32,800
-40% -$24.2K ﹤0.01% 12239
2022
Q1
$87K Sell
81,500
-110,500
-58% -$98.7K ﹤0.01% 12407
2021
Q4
$211K Buy
192,000
+25,800
+16% +$30.6K ﹤0.01% 11737
2021
Q3
$219K Buy
166,200
+76,300
+85% +$204K ﹤0.01% 11796
2021
Q2
$681K Buy
89,900
+36,400
+68% +$269K ﹤0.01% 9299
2021
Q1
$354K Buy
53,500
+28,100
+111% +$193K ﹤0.01% 10458
2020
Q4
$164K Buy
25,400
+2,200
+9% +$13.1K ﹤0.01% 9884
2020
Q3
$122K Buy
23,200
+8,600
+59% +$51.7K ﹤0.01% 9147
2020
Q2
$101K Sell
14,600
-8,600
-37% -$59.8K ﹤0.01% 8982
2020
Q1
$132K Buy
23,200
+1,000
+5% +$6.8K ﹤0.01% 8394
2019
Q4
$167K Buy
22,200
+2,400
+12% +$14.6K ﹤0.01% 8301
2019
Q3
$93K Buy
+19,800
New +$68.8K ﹤0.01% 8518
2019
Q1
Sell
-17,200
Closed -$31K 9215
2018
Q4
$31K Sell
17,200
-6,200
-26% -$18.3K ﹤0.01% 8608
2018
Q3
$102K Sell
23,400
-3,800
-14% -$15.8K ﹤0.01% 8571
2018
Q2
$101K Buy
27,200
+16,200
+147% +$75.2K ﹤0.01% 8232
2018
Q1
$56K Buy
+11,000
New +$68.6K ﹤0.01% 7897

Other funds holding ARDX

Citadel Advisors's ARDX Position: Q1 2026 in Review

Citadel Advisors increased its Ardelyx (ARDX) stake by 161% in Q1 2026, buying an estimated $14.1M and bringing the position to 3,464,774 shares worth $20.8M. The position accounts for ﹤0.01% of the portfolio, ranked #2301.

Citadel Advisors first reported a position in ARDX in Q3 2016 and has held it in 35 quarters since. 239 funds tracked by Wall St. Rank hold ARDX as of Q1 2026.

  • Citadel Advisors held 3,464,774 shares of Ardelyx worth $20.8M as of Q1 2026.
  • Citadel Advisors bought 2,137,321 Ardelyx shares in Q1 2026, an estimated $14.1M.
  • Ardelyx made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #2301 holding.
  • Citadel Advisors first reported a position in Ardelyx in Q3 2016 and has held it in 35 quarters since.
  • 239 funds tracked by Wall St. Rank held Ardelyx as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.