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Israel Englander’s Ardelyx ARDX Stock Holding History

Israel Englander’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 		$1.53M Buy
300,000
+98,400
+49% +$601K ﹤0.01% 4019
2026
Q1 		$1.21M Buy
201,600
+108,700
+117% +$719K ﹤0.01% 4257
2025
Q4 		$542K Buy
92,900
+62,900
+210% +$350K ﹤0.01% 4894
2025
Q3 		$165K Sell
30,000
-22,200
-43% -$121K ﹤0.01% 5598
2025
Q2 		$205K Buy
+52,200
New +$215K ﹤0.01% 5350
2023
Q2 		– Sell
-100,000
Closed -$479K – 6082
2023
Q1 		$479K Sell
100,000
-151,000
-60% -$509K ﹤0.01% 4633
2022
Q4 		$715K Buy
+251,000
New +$425K ﹤0.01% 4459

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
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
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

Israel Englander's ARDX Position: Q2 2026 in Review

Israel Englander reduced its Ardelyx (ARDX) stake by 22% in Q2 2026, selling an estimated $24.1M and leaving 13,900,773 shares worth $70.9M. The position accounts for 0.03% of the portfolio, ranked #696.

Israel Englander first reported a position in ARDX in Q2 2015 and has held it in 38 quarters since. The position peaked at $107M in Q1 2026. 248 funds tracked by Wall St. Rank hold ARDX as of Q2 2026.

  • Israel Englander held 13,900,773 shares of Ardelyx worth $70.9M as of Q2 2026.
  • Israel Englander sold 3,941,597 Ardelyx shares in Q2 2026, an estimated $24.1M.
  • Ardelyx made up 0.03% of Israel Englander's portfolio in Q2 2026, its #696 holding.
  • Israel Englander first reported a position in Ardelyx in Q2 2015 and has held it in 38 quarters since.
  • Israel Englander's Ardelyx position peaked at $107M in Q1 2026.
  • 248 funds tracked by Wall St. Rank held Ardelyx as of Q2 2026.

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