Jane Street
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Jane Street’s Ardelyx ARDX Stock Holding History

Jane Street’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 		$1.05M Sell
205,700
-32,400
-14% -$198K ﹤0.01% 6448
2026
Q1 		$1.43M Sell
238,100
-514,400
-68% -$3.4M ﹤0.01% 5740
2025
Q4 		$4.39M Sell
752,500
-144,400
-16% -$804K ﹤0.01% 3436
2025
Q3 		$4.94M Buy
896,900
+200
+0% +$1.09K ﹤0.01% 3434
2025
Q2 		$3.52M Sell
896,700
-631,900
-41% -$2.61M ﹤0.01% 3509
2025
Q1 		$7.51M Sell
1,528,600
-20,100
-1% -$108K ﹤0.01% 2357
2024
Q4 		$7.85M Buy
1,548,700
+771,000
+99% +$4.26M ﹤0.01% 2119
2024
Q3 		$5.36M Buy
777,700
+84,800
+12% +$500K ﹤0.01% 2744
2024
Q2 		$5.13M Buy
692,900
+33,500
+5% +$236K ﹤0.01% 2939
2024
Q1 		$4.81M Sell
659,400
-65,800
-9% -$563K ﹤0.01% 2664
2023
Q4 		$4.5M Buy
725,200
+627,800
+645% +$2.82M ﹤0.01% 3007
2023
Q3 		$397K Sell
97,400
-900
-0.9% -$3.51K ﹤0.01% 6623
2023
Q2 		$333K Sell
98,300
-50,400
-34% -$207K ﹤0.01% 6959
2023
Q1 		$712K Sell
148,700
-49,100
-25% -$166K ﹤0.01% 5689
2022
Q4 		$564K Buy
+197,800
New +$335K ﹤0.01% 5927
2022
Q1 		– Sell
-205,400
Closed -$226K – 10230
2021
Q4 		$226K Buy
205,400
+174,000
+554% +$207K ﹤0.01% 8632
2021
Q3 		$41K Sell
31,400
-13,600
-30% -$36.3K ﹤0.01% 9610
2021
Q2 		$341K Buy
+45,000
New +$333K ﹤0.01% 7926

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

Jane Street's ARDX Position: Q2 2026 in Review

Jane Street sold out of Ardelyx (ARDX) in Q2 2026, closing a stake of 1,179,379 shares — an estimated $7.2M sold.

Jane Street first reported a position in ARDX in Q2 2017 and held it in 28 quarters. The position peaked at $12.1M in Q3 2025. 250 funds tracked by Wall St. Rank hold ARDX as of Q2 2026.

  • Jane Street reported no remaining Ardelyx position as of Q2 2026 after selling out during the quarter.
  • Jane Street sold 1,179,379 Ardelyx shares in Q2 2026, an estimated $7.2M.
  • Jane Street first reported a position in Ardelyx in Q2 2017 and held it in 28 quarters.
  • Jane Street's Ardelyx position peaked at $12.1M in Q3 2025.
  • 250 funds tracked by Wall St. Rank held Ardelyx as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.