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UBS O'Connor’s Ardelyx ARDX Stock Holding History

UBS O'Connor’s Portfolio ARDX Stock Details ARDX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q1 		– Sell
-49,701
Closed -$252K – 339
2024
Q4 		$252K Sell
49,701
-11,035
-18% -$61K 0.01% 316
2024
Q3 		$418K Sell
60,736
-23,857
-28% -$141K 0.01% 353
2024
Q2 		$627K Sell
84,593
-27,296
-24% -$192K 0.02% 351
2024
Q1 		$817K Sell
111,889
-92,711
-45% -$793K 0.02% 295
2023
Q4 		$1.27M Sell
204,600
-15,400
-7% -$69.1K 0.04% 241
2023
Q3 		$898K Buy
+220,000
New +$858K 0.02% 346
2019
Q1 		– Sell
-258,105
Closed -$462K – 19
2018
Q4 		$462K Sell
258,105
-12,000
-4% -$35.3K 0.02% 200
2018
Q3 		$1.18M Sell
270,105
-329,895
-55% -$1.37M 0.03% 194
2018
Q2 		$2.22M Buy
+600,000
New +$2.78M 0.04% 156

Other funds holding ARDX

Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Macquarie Group
Macquarie Group Sydney, NSW 2000, Australia $16.8B AUM 27.39% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

UBS O'Connor's ARDX Position: Q1 2025 in Review

UBS O'Connor sold out of Ardelyx (ARDX) in Q1 2025, closing a stake of 49,701 shares — an estimated $252K sold.

UBS O'Connor first reported a position in ARDX in Q2 2018 and held it in 9 quarters. The position peaked at $2.22M in Q2 2018. 221 funds tracked by Wall St. Rank hold ARDX as of Q1 2025.

  • UBS O'Connor reported no remaining Ardelyx position as of Q1 2025 after selling out during the quarter.
  • UBS O'Connor sold 49,701 Ardelyx shares in Q1 2025, an estimated $252K.
  • UBS O'Connor first reported a position in Ardelyx in Q2 2018 and held it in 9 quarters.
  • UBS O'Connor's Ardelyx position peaked at $2.22M in Q2 2018.
  • 221 funds tracked by Wall St. Rank held Ardelyx as of Q1 2025.

Based on UBS O'Connor's 13F filing for Q1 2025, filed 15 May 2025.