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Rubric Capital Management (New York)’s Ardelyx ARDX Stock Holding History

Rubric Capital Management (New York)’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
2026
Q1 		$11.1M Buy
+1,860,896
New +$12.3M 0.12% 72
2025
Q1 		– Sell
-1,706,485
Closed -$8.65M – 66
2024
Q4 		$8.65M Sell
1,706,485
-1,353,706
-44% -$7.48M 0.11% 57
2024
Q3 		$21.1M Buy
3,060,191
+1,243,606
+68% +$7.34M 0.34% 47
2024
Q2 		$13.5M Hold
1,816,585
– – 0.35% 52
2024
Q1 		$13.3M Sell
1,816,585
-2,196,168
-55% -$18.8M 0.39% 53
2023
Q4 		$24.9M Buy
4,012,753
+1,512,753
+61% +$6.79M 0.52% 35
2023
Q3 		$10.2M Buy
+2,500,000
New +$9.75M 0.38% 51

Other funds holding ARDX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $58.4B AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
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
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Rubric Capital Management (New York)'s ARDX Position: Q1 2026 in Review

Rubric Capital Management (New York) opened a new position in Ardelyx (ARDX) in Q1 2026: 1,860,896 shares worth $11.1M. The stake represents 0.12% of the portfolio and ranks #72 among its holdings. This is a return to the name: Rubric Capital Management (New York) previously reported a position in ARDX as recently as Q4 2024.

Rubric Capital Management (New York) first reported a position in ARDX in Q3 2023 and has held it in 7 quarters since. The position peaked at $24.9M in Q4 2023. 239 funds tracked by Wall St. Rank hold ARDX as of Q1 2026.

  • Rubric Capital Management (New York) held 1,860,896 shares of Ardelyx worth $11.1M as of Q1 2026.
  • Ardelyx was a new Rubric Capital Management (New York) position in Q1 2026.
  • Ardelyx made up 0.12% of Rubric Capital Management (New York)'s portfolio in Q1 2026, its #72 holding.
  • Rubric Capital Management (New York) first reported a position in Ardelyx in Q3 2023 and has held it in 7 quarters since.
  • Rubric Capital Management (New York)'s Ardelyx position peaked at $24.9M in Q4 2023.
  • 239 funds tracked by Wall St. Rank held Ardelyx as of Q1 2026.

Based on Rubric Capital Management (New York)'s 13F filing for Q1 2026, filed 15 May 2026.