Marshall Wace’s Bel Fuse Inc Class B BELFB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
Sell
-6,421
Closed -$905K 2965
2025
Q3
$905K Buy
+6,421
New +$818K ﹤0.01% 1979
2023
Q3
Sell
-13,989
Closed -$803K 2198
2023
Q2
$803K Sell
13,989
-5,265
-27% -$241K ﹤0.01% 1817
2023
Q1
$724K Buy
+19,254
New +$693K ﹤0.01% 1953
2022
Q3
Sell
-53,096
Closed -$826K 3342
2022
Q2
$826K Sell
53,096
-41,003
-44% -$668K ﹤0.01% 2546
2022
Q1
$1.68M Sell
94,099
-4,299
-4% -$63.3K ﹤0.01% 2163
2021
Q4
$1.27M Sell
98,398
-35,089
-26% -$451K ﹤0.01% 2352
2021
Q3
$1.66M Buy
+133,487
New +$1.79M 0.01% 1682
2019
Q4
Sell
-60,663
Closed -$912K 1697
2019
Q3
$912K Buy
+60,663
New +$840K 0.01% 965

Other funds holding BELFB

Marshall Wace's BELFB Position: Q4 2025 in Review

Marshall Wace sold out of Bel Fuse Inc Class B (BELFB) in Q4 2025, closing a stake of 6,421 shares — an estimated $905K sold.

Marshall Wace first reported a position in BELFB in Q3 2019 and held it in 8 quarters. The position peaked at $1.68M in Q1 2022. 206 funds tracked by Wall St. Rank hold BELFB as of Q4 2025.

  • Marshall Wace reported no remaining Bel Fuse Inc Class B position as of Q4 2025 after selling out during the quarter.
  • Marshall Wace sold 6,421 Bel Fuse Inc Class B shares in Q4 2025, an estimated $905K.
  • Marshall Wace first reported a position in Bel Fuse Inc Class B in Q3 2019 and held it in 8 quarters.
  • Marshall Wace's Bel Fuse Inc Class B position peaked at $1.68M in Q1 2022.
  • 206 funds tracked by Wall St. Rank held Bel Fuse Inc Class B as of Q4 2025.

Based on Marshall Wace's 13F filing for Q4 2025, filed 13 Feb 2026.