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Caption Management’s Ardelyx ARDX Stock Holding History

Caption 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
2026
Q2 		$1.02M Hold
200,000
– – ﹤0.01% 1132
2026
Q1 		$1.2M Buy
+200,000
New +$1.32M 0.01% 962
2024
Q1 		– Sell
-20,000
Closed -$124K – 1178
2023
Q4 		$124K Buy
+20,000
New +$89.7K ﹤0.01% 1161

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

Caption Management's ARDX Position: Q2 2026 in Review

Caption Management increased its Ardelyx (ARDX) stake by 25% in Q2 2026, buying an estimated $157K and bringing the position to 130,000 shares worth $663K. The position accounts for ﹤0.01% of the portfolio, ranked #1248.

Caption Management first reported a position in ARDX in Q4 2020 and has held it in 7 quarters since. The position peaked at $670K in Q4 2025. 250 funds tracked by Wall St. Rank hold ARDX as of Q2 2026.

  • Caption Management held 130,000 shares of Ardelyx worth $663K as of Q2 2026.
  • Caption Management bought 25,800 Ardelyx shares in Q2 2026, an estimated $157K.
  • Ardelyx made up ﹤0.01% of Caption Management's portfolio in Q2 2026, its #1248 holding.
  • Caption Management first reported a position in Ardelyx in Q4 2020 and has held it in 7 quarters since.
  • Caption Management's Ardelyx position peaked at $670K in Q4 2025.
  • 250 funds tracked by Wall St. Rank held Ardelyx as of Q2 2026.

Based on Caption Management's 13F filing for Q2 2026, filed 14 Aug 2026.