Marshall Wace’s Western Digital WDC Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$4.27M Sell
15,800
-26,800
-63% -$7M ﹤0.01% 1379
2025
Q4
$7.34M Buy
42,600
+40,900
+2,406% +$6.2M 0.01% 988
2025
Q3
$204K Sell
1,700
-423,000
-100% -$34.6M ﹤0.01% 2570
2025
Q2
$27.2M Buy
+424,700
New +$20.2M 0.03% 472
2022
Q1
Sell
-221,999
Closed -$10.9M 4085
2021
Q4
$10.9M Buy
221,999
+216,310
+3,802% +$9.4M 0.02% 805
2021
Q3
$243K Sell
5,689
-60,858
-91% -$2.89M ﹤0.01% 2729
2021
Q2
$3.58M Buy
+66,547
New +$3.6M 0.02% 1039

Other funds holding WDC

Marshall Wace's WDC Position: Q1 2026 in Review

Marshall Wace increased its Western Digital (WDC) stake by 475% in Q1 2026, buying an estimated $201M and bringing the position to 931,323 shares worth $252M. The position accounts for 0.25% of the portfolio, ranked #54.

Marshall Wace first reported a position in WDC in Q1 2014 and has held it in 36 quarters since. 1,406 funds tracked by Wall St. Rank hold WDC as of Q1 2026.

  • Marshall Wace held 931,323 shares of Western Digital worth $252M as of Q1 2026.
  • Marshall Wace bought 769,455 Western Digital shares in Q1 2026, an estimated $201M.
  • Western Digital made up 0.25% of Marshall Wace's portfolio in Q1 2026, its #54 holding.
  • Marshall Wace first reported a position in Western Digital in Q1 2014 and has held it in 36 quarters since.
  • 1,406 funds tracked by Wall St. Rank held Western Digital as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.