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Stonepine Capital Management’s Ardelyx ARDX Stock Holding History

Stonepine Capital Management’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
Q4 		– Sell
-200,000
Closed -$1.1M – 71
2025
Q3 		$1.1M Sell
200,000
-355,000
-64% -$1.93M 0.9% 25
2025
Q2 		$2.18M Buy
+555,000
New +$2.29M 2.13% 14

Other funds holding ARDX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Stonepine Capital Management's ARDX Position: Q4 2025 in Review

Stonepine Capital Management sold out of Ardelyx (ARDX) in Q4 2025, closing a stake of 200,000 shares — an estimated $1.1M sold.

Stonepine Capital Management first reported a position in ARDX in Q2 2025 and held it in 2 quarters. The position peaked at $2.18M in Q2 2025. 229 funds tracked by Wall St. Rank hold ARDX as of Q4 2025.

  • Stonepine Capital Management reported no remaining Ardelyx position as of Q4 2025 after selling out during the quarter.
  • Stonepine Capital Management sold 200,000 Ardelyx shares in Q4 2025, an estimated $1.1M.
  • Stonepine Capital Management first reported a position in Ardelyx in Q2 2025 and held it in 2 quarters.
  • Stonepine Capital Management's Ardelyx position peaked at $2.18M in Q2 2025.
  • 229 funds tracked by Wall St. Rank held Ardelyx as of Q4 2025.

Based on Stonepine Capital Management's 13F filing for Q4 2025, filed 13 Feb 2026.