Simplex Trading
BELFB

Simplex Trading’s Bel Fuse Inc Class B BELFB Stock Holding History

Simplex Trading’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
2026
Q2 		$550K Buy
+1,651
New +$446K ﹤0.01% 3484
2026
Q1 		– Sell
-144
Closed -$24.4K – 9065
2025
Q4 		$24.4K Buy
144
+139
+2,780% +$21.7K ﹤0.01% 6293
2025
Q3 		$0 Buy
+5
New +$637 ﹤0.01% 9057
2025
Q2 		– Sell
-5
Closed -$377 – 8634
2025
Q1 		$0 Sell
5
-9
-64% -$719 ﹤0.01% 8531
2024
Q4 		$1K Buy
+14
New +$1.13K ﹤0.01% 8151
2023
Q2 		– Sell
-60
Closed -$2.75K – 8963
2023
Q1 		$2K Sell
60
-26
-30% -$936 ﹤0.01% 8418
2022
Q4 		$2K Buy
86
+2
+2% +$65 ﹤0.01% 8524
2022
Q3 		$2K Buy
+84
New +$1.97K ﹤0.01% 9231
2022
Q2 		– Sell
-45
Closed – – 9950
2022
Q1 		$0 Buy
+45
New +$663 ﹤0.01% 10383
2021
Q4 		– Sell
-3
Closed – – 10472
2021
Q3 		$0 Hold
3
– – ﹤0.01% 9763
2021
Q2 		$0 Sell
3
-97
-97% -$1.6K ﹤0.01% 10026
2021
Q1 		$1K Sell
100
-630
-86% -$11.1K ﹤0.01% 8532
2020
Q4 		$10K Buy
730
+543
+290% +$7.3K ﹤0.01% 7389
2020
Q3 		$1K Buy
187
+100
+115% +$1.13K ﹤0.01% 7513
2020
Q2 		$0 Buy
+87
New +$795 ﹤0.01% 7600

Other funds holding BELFB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Simplex Trading's BELFB Position: Q2 2026 in Review

Simplex Trading opened a new position in Bel Fuse Inc Class B (BELFB) in Q2 2026: 1,651 shares worth $550K. The stake represents ﹤0.01% of the portfolio and ranks #3484 among its holdings. This is a return to the name: Simplex Trading previously reported a position in BELFB as recently as Q4 2025.

Simplex Trading first reported a position in BELFB in Q2 2020 and has held it in 15 quarters since. 277 funds tracked by Wall St. Rank hold BELFB as of Q2 2026.

  • Simplex Trading held 1,651 shares of Bel Fuse Inc Class B worth $550K as of Q2 2026.
  • Bel Fuse Inc Class B was a new Simplex Trading position in Q2 2026.
  • Bel Fuse Inc Class B made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #3484 holding.
  • Simplex Trading first reported a position in Bel Fuse Inc Class B in Q2 2020 and has held it in 15 quarters since.
  • 277 funds tracked by Wall St. Rank held Bel Fuse Inc Class B as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.