Marshall Wace
BELFA icon

Marshall Wace’s Bel Fuse Inc Class A BELFA Stock Holding History

Marshall Wace’s Portfolio BELFA Stock Details BELFA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$14.9M Buy
51,332
+41,674
+431% +$10.1M 0.01% 854
2026
Q1 		$1.74M Buy
9,658
+7,061
+272% +$1.35M ﹤0.01% 1865
2025
Q4 		$394K Sell
2,597
-818
-24% -$110K ﹤0.01% 2344
2025
Q3 		$397K Buy
+3,415
New +$376K ﹤0.01% 2313
2025
Q2 		– Sell
-4,400
Closed -$317K – 2709
2025
Q1 		$317K Buy
4,400
+658
+18% +$53.7K ﹤0.01% 2248
2024
Q4 		$337K Buy
+3,742
New +$370K ﹤0.01% 2194
2024
Q3 		– Sell
-3,008
Closed -$243K – 2512
2024
Q2 		$243K Sell
3,008
-5,021
-63% -$379K ﹤0.01% 2231
2024
Q1 		$569K Buy
+8,029
New +$539K ﹤0.01% 1883

Other funds holding BELFA

Brown Advisory
Brown Advisory Baltimore, Maryland $64.6B AUM 18.98% 1-Year Est. Return
MP
Mangrove Partners Greenwich, Connecticut $1.52B AUM 36.54% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
GF
Gabelli Funds Rye, New York $15.7B AUM 36.4% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
GI
GAMCO Investors Greenwich, Connecticut $11.1B AUM 41.79% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
CCC
Cable Car Capital San Francisco, California $4.66B AUM 77.16% 1-Year Est. Return

Marshall Wace's BELFA Position: Q2 2026 in Review

Marshall Wace increased its Bel Fuse Inc Class A (BELFA) stake by 431% in Q2 2026, buying an estimated $10.1M and bringing the position to 51,332 shares worth $14.9M. The position accounts for 0.01% of the portfolio, ranked #854.

Marshall Wace first reported a position in BELFA in Q1 2024 and has held it in 8 quarters since. 102 funds tracked by Wall St. Rank hold BELFA as of Q2 2026.

  • Marshall Wace held 51,332 shares of Bel Fuse Inc Class A worth $14.9M as of Q2 2026.
  • Marshall Wace bought 41,674 Bel Fuse Inc Class A shares in Q2 2026, an estimated $10.1M.
  • Bel Fuse Inc Class A made up 0.01% of Marshall Wace's portfolio in Q2 2026, its #854 holding.
  • Marshall Wace first reported a position in Bel Fuse Inc Class A in Q1 2024 and has held it in 8 quarters since.
  • 102 funds tracked by Wall St. Rank held Bel Fuse Inc Class A as of Q2 2026.

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