MAM
BELFB

Martingale Asset Management’s Bel Fuse Inc Class B BELFB Stock Holding History

Martingale Asset Management’s Portfolio BELFB Stock Details BELFB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-5,707
Closed -$558K – 761
2025
Q2 		$558K Sell
5,707
-10,823
-65% -$817K 0.01% 599
2025
Q1 		$1.24M Sell
16,530
-845
-5% -$67.5K 0.03% 410
2024
Q4 		$1.43M Sell
17,375
-2,576
-13% -$208K 0.03% 388
2024
Q3 		$1.57M Buy
19,951
+999
+5% +$68K 0.04% 369
2024
Q2 		$1.24M Sell
18,952
-506
-3% -$31.8K 0.03% 404
2024
Q1 		$1.17M Buy
19,458
+6,876
+55% +$426K 0.02% 434
2023
Q4 		$840K Buy
12,582
+62
+0.5% +$3.32K 0.02% 489
2023
Q3 		$597K Buy
+12,520
New +$645K 0.01% 569
2018
Q1 		– Sell
-40,715
Closed -$1.03M – 932
2017
Q4 		$1.03M Sell
40,715
-29,904
-42% -$857K 0.01% 696
2017
Q3 		$2.2M Sell
70,619
-2,300
-3% -$60.7K 0.03% 537
2017
Q2 		$1.8M Sell
72,919
-9,603
-12% -$231K 0.03% 582
2017
Q1 		$2.11M Buy
82,522
+3,901
+5% +$112K 0.03% 534
2016
Q4 		$2.43M Buy
78,621
+9,810
+14% +$273K 0.03% 487
2016
Q3 		$1.66M Buy
68,811
+54,204
+371% +$1.16M 0.02% 558
2016
Q2 		$260K Buy
+14,607
New +$247K ﹤0.01% 771

Other funds holding BELFB

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Thrivent Financial for Lutherans
Thrivent Financial for Lutherans Minneapolis, Minnesota $52.5B AUM 27.12% 1-Year Est. Return

Martingale Asset Management's BELFB Position: Q3 2025 in Review

Martingale Asset Management sold out of Bel Fuse Inc Class B (BELFB) in Q3 2025, closing a stake of 5,707 shares — an estimated $558K sold.

Martingale Asset Management first reported a position in BELFB in Q2 2016 and held it in 15 quarters. The position peaked at $2.43M in Q4 2016. 197 funds tracked by Wall St. Rank hold BELFB as of Q3 2025.

  • Martingale Asset Management reported no remaining Bel Fuse Inc Class B position as of Q3 2025 after selling out during the quarter.
  • Martingale Asset Management sold 5,707 Bel Fuse Inc Class B shares in Q3 2025, an estimated $558K.
  • Martingale Asset Management first reported a position in Bel Fuse Inc Class B in Q2 2016 and held it in 15 quarters.
  • Martingale Asset Management's Bel Fuse Inc Class B position peaked at $2.43M in Q4 2016.
  • 197 funds tracked by Wall St. Rank held Bel Fuse Inc Class B as of Q3 2025.

Based on Martingale Asset Management's 13F filing for Q3 2025, filed 13 Nov 2025.