CenterBook Partners’s Bel Fuse Inc Class B BELFB Stock Holding History

CenterBook Partners’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 Q3	$306K	Buy	+1,255	New	+$330K	0.01%	754
2026 Q2	–	Sell	-8,742	Closed	-$1.73M	–	717
2026 Q1	$1.73M	Buy	+8,742	New	+$1.83M	0.09%	262
2025 Q4	–	Sell	-9,986	Closed	-$1.41M	–	562
2025 Q3	$1.41M	Sell	9,986 -6,600	-40%	-$841K	0.07%	323
2025 Q2	$1.62M	Sell	16,586 -13,184	-44%	-$995K	0.09%	256
2025 Q1	$2.23M	Buy	+29,770	New	+$2.38M	0.14%	185

Other funds holding BELFB

BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM

Wasatch Advisors Salt Lake City, Utah $13.5B AUM 16.58% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return

Franklin Resources San Mateo, California $474B AUM 32.39% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

CenterBook Partners's BELFB Position: Q3 2026 in Review

CenterBook Partners opened a new position in Bel Fuse Inc Class B (BELFB) in Q3 2026: 1,255 shares worth $306K. The stake represents 0.01% of the portfolio and ranks #754 among its holdings. This is a return to the name: CenterBook Partners previously reported a position in BELFB as recently as Q1 2026.

CenterBook Partners first reported a position in BELFB in Q1 2025 and has held it in 5 quarters since. The position peaked at $2.23M in Q1 2025. 220 funds tracked by Wall St. Rank hold BELFB as of Q3 2026.

CenterBook Partners held 1,255 shares of Bel Fuse Inc Class B worth $306K as of Q3 2026.
Bel Fuse Inc Class B was a new CenterBook Partners position in Q3 2026.
Bel Fuse Inc Class B made up 0.01% of CenterBook Partners's portfolio in Q3 2026, its #754 holding.
CenterBook Partners first reported a position in Bel Fuse Inc Class B in Q1 2025 and has held it in 5 quarters since.
CenterBook Partners's Bel Fuse Inc Class B position peaked at $2.23M in Q1 2025.
220 funds tracked by Wall St. Rank held Bel Fuse Inc Class B as of Q3 2026.

Based on CenterBook Partners's 13F filing for Q3 2026, filed 2 Nov 2026.