XT
BELFB

XTX Topco’s Bel Fuse Inc Class B BELFB Stock Holding History

XTX Topco’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
Q1 		$1.47M Buy
+7,415
New +$1.55M 0.03% 1097
2025
Q3 		– Sell
-3,665
Closed -$358K – 2574
2025
Q2 		$358K Buy
+3,665
New +$277K 0.01% 1317
2024
Q2 		– Sell
-3,995
Closed -$241K – 1874
2024
Q1 		$241K Buy
+3,995
New +$248K 0.03% 1029
2023
Q4 		– Sell
-6,287
Closed -$300K – 1605
2023
Q3 		$300K Buy
+6,287
New +$324K 0.05% 732

Other funds holding BELFB

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

XTX Topco's BELFB Position: Q1 2026 in Review

XTX Topco opened a new position in Bel Fuse Inc Class B (BELFB) in Q1 2026: 7,415 shares worth $1.47M. The stake represents 0.03% of the portfolio and ranks #1097 among its holdings. This is a return to the name: XTX Topco previously reported a position in BELFB as recently as Q2 2025.

XTX Topco first reported a position in BELFB in Q3 2023 and has held it in 4 quarters since. 233 funds tracked by Wall St. Rank hold BELFB as of Q1 2026.

  • XTX Topco held 7,415 shares of Bel Fuse Inc Class B worth $1.47M as of Q1 2026.
  • Bel Fuse Inc Class B was a new XTX Topco position in Q1 2026.
  • Bel Fuse Inc Class B made up 0.03% of XTX Topco's portfolio in Q1 2026, its #1097 holding.
  • XTX Topco first reported a position in Bel Fuse Inc Class B in Q3 2023 and has held it in 4 quarters since.
  • 233 funds tracked by Wall St. Rank held Bel Fuse Inc Class B as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.