BBHC
ARDX icon

Brown Brothers Harriman & Co’s Ardelyx ARDX Stock Holding History

Brown Brothers Harriman & Co’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 		$3.38K Hold
662
– – ﹤0.01% 1655
2026
Q1 		$3.96K Sell
662
-485
-42% -$3.21K ﹤0.01% 1560
2025
Q4 		$6.69K Buy
1,147
+753
+191% +$4.19K ﹤0.01% 1440
2025
Q3 		$2.17K Hold
394
– – ﹤0.01% 1558
2025
Q2 		$1.54K Buy
+394
New +$1.63K ﹤0.01% 1459

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 $3.38T AUM 44.17% 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

Brown Brothers Harriman & Co's ARDX Position: Q2 2026 in Review

Brown Brothers Harriman & Co held its Ardelyx (ARDX) position steady in Q2 2026 at 662 shares worth $3.38K. The position accounts for ﹤0.01% of the portfolio, ranked #1655.

Brown Brothers Harriman & Co first reported a position in ARDX in Q2 2025 and has held it in 5 quarters since. The position peaked at $6.69K in Q4 2025. 250 funds tracked by Wall St. Rank hold ARDX as of Q2 2026.

  • Brown Brothers Harriman & Co held 662 shares of Ardelyx worth $3.38K as of Q2 2026.
  • Brown Brothers Harriman & Co left its Ardelyx share count unchanged in Q2 2026.
  • Ardelyx made up ﹤0.01% of Brown Brothers Harriman & Co's portfolio in Q2 2026, its #1655 holding.
  • Brown Brothers Harriman & Co first reported a position in Ardelyx in Q2 2025 and has held it in 5 quarters since.
  • Brown Brothers Harriman & Co's Ardelyx position peaked at $6.69K in Q4 2025.
  • 250 funds tracked by Wall St. Rank held Ardelyx as of Q2 2026.

Based on Brown Brothers Harriman & Co's 13F filing for Q2 2026, filed 12 Aug 2026.