Marshall Wace
ARDX icon

Marshall Wace’s Ardelyx ARDX Stock Holding History

Marshall Wace’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 		$288K Sell
56,495
-1,544,362
-96% -$9.43M ﹤0.01% 2738
2026
Q1 		$9.59M Sell
1,600,857
-3,587,782
-69% -$23.7M 0.01% 999
2025
Q4 		$30.2M Sell
5,188,639
-3,754,403
-42% -$20.9M 0.03% 491
2025
Q3 		$49.3M Sell
8,943,042
-2,307,610
-21% -$12.5M 0.05% 323
2025
Q2 		$44.1M Buy
11,250,652
+2,866,843
+34% +$11.8M 0.05% 327
2025
Q1 		$41.2M Buy
8,383,809
+8,268,990
+7,202% +$44.4M 0.05% 323
2024
Q4 		$582K Buy
+114,819
New +$634K ﹤0.01% 1978
2024
Q2 		– Sell
-270,466
Closed -$1.97M – 2517
2024
Q1 		$1.97M Buy
+270,466
New +$2.31M ﹤0.01% 1371
2023
Q2 		– Sell
-65,234
Closed -$312K – 2441
2023
Q1 		$312K Sell
65,234
-678,173
-91% -$2.29M ﹤0.01% 2284
2022
Q4 		$2.12M Buy
743,407
+631,607
+565% +$1.07M ﹤0.01% 1701
2022
Q3 		$132K Buy
+111,800
New +$106K ﹤0.01% 3150
2021
Q3 		– Sell
-3,348,363
Closed -$25.4M – 2998
2021
Q2 		$25.4M Buy
3,348,363
+240,628
+8% +$1.78M 0.11% 186
2021
Q1 		$20.6M Sell
3,107,735
-179,736
-5% -$1.23M 0.09% 210
2020
Q4 		$21.3M Buy
3,287,471
+2,826
+0.1% +$16.8K 0.12% 177
2020
Q3 		$17.2M Sell
3,284,645
-23,680
-0.7% -$142K 0.11% 187
2020
Q2 		$22.9M Sell
3,308,325
-25,282
-0.8% -$176K 0.16% 140
2020
Q1 		$19M Buy
3,333,607
+2,186,199
+191% +$14.9M 0.19% 121
2019
Q4 		$8.61M Buy
+1,147,408
New +$6.97M 0.06% 346
2018
Q4 		– Sell
-11,749
Closed -$51K – 1575
2018
Q3 		$51K Sell
11,749
-15,610
-57% -$65K ﹤0.01% 1107
2018
Q2 		$101K Buy
27,359
+15,610
+133% +$72.4K ﹤0.01% 674
2018
Q1 		$59K Buy
+11,749
New +$73.3K ﹤0.01% 537
2017
Q1 		– Sell
-340,919
Closed -$4.84M – 327
2016
Q4 		$4.84M Buy
+340,919
New +$4.84M 0.03% 484

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

Marshall Wace's ARDX Position: Q2 2026 in Review

Marshall Wace reduced its Ardelyx (ARDX) stake by 96% in Q2 2026, selling an estimated $9.43M and leaving 56,495 shares worth $288K. The position accounts for ﹤0.01% of the portfolio, ranked #2738.

Marshall Wace first reported a position in ARDX in Q4 2016 and has held it in 22 quarters since. The position peaked at $49.3M in Q3 2025. 249 funds tracked by Wall St. Rank hold ARDX as of Q2 2026.

  • Marshall Wace held 56,495 shares of Ardelyx worth $288K as of Q2 2026.
  • Marshall Wace sold 1,544,362 Ardelyx shares in Q2 2026, an estimated $9.43M.
  • Ardelyx made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #2738 holding.
  • Marshall Wace first reported a position in Ardelyx in Q4 2016 and has held it in 22 quarters since.
  • Marshall Wace's Ardelyx position peaked at $49.3M in Q3 2025.
  • 249 funds tracked by Wall St. Rank held Ardelyx as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.