Marshall Wace’s Block Inc XYZ Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-200
Closed -$13K 3777
2025
Q4
$13K Buy
+200
New +$13.8K ﹤0.01% 2843
2023
Q3
Sell
-12,700
Closed -$845K 2772
2023
Q2
$845K Sell
12,700
-35,600
-74% -$2.22M ﹤0.01% 1788
2023
Q1
$3.32M Sell
48,300
-6,000
-11% -$449K 0.01% 1194
2022
Q4
$3.41M Sell
54,300
-151,600
-74% -$9.35M 0.01% 1437
2022
Q3
$11.3M Buy
205,900
+41,200
+25% +$2.92M 0.02% 793
2022
Q2
$10.1M Sell
164,700
-73,700
-31% -$6.73M 0.02% 869
2022
Q1
$32.3M Buy
238,400
+207,000
+659% +$25.1M 0.06% 344
2021
Q4
$5.07M Buy
+31,400
New +$6.8M 0.01% 1342

Other funds holding XYZ

Marshall Wace's XYZ Position: Q1 2026 in Review

Marshall Wace reduced its Block Inc (XYZ) stake by 93% in Q1 2026, selling an estimated $117M and leaving 137,762 shares worth $8.29M. The position accounts for 0.01% of the portfolio, ranked #1064.

Marshall Wace first reported a position in XYZ in Q4 2016 and has held it in 23 quarters since. The position peaked at $147M in Q3 2025. 986 funds tracked by Wall St. Rank hold XYZ as of Q1 2026.

  • Marshall Wace held 137,762 shares of Block Inc worth $8.29M as of Q1 2026.
  • Marshall Wace sold 1,931,448 Block Inc shares in Q1 2026, an estimated $117M.
  • Block Inc made up 0.01% of Marshall Wace's portfolio in Q1 2026, its #1064 holding.
  • Marshall Wace first reported a position in Block Inc in Q4 2016 and has held it in 23 quarters since.
  • Marshall Wace's Block Inc position peaked at $147M in Q3 2025.
  • 986 funds tracked by Wall St. Rank held Block Inc as of Q1 2026.

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