Question 1

Does Renaissance Technologies own BELFB stock?

Accepted Answer

Yes. As of its Q3 2026 13F, Renaissance Technologies holds 138,541 shares of BELFB (Bel Fuse), worth $33.8M.

Question 2

How many shares of BELFB does Renaissance Technologies own?

Accepted Answer

As of its Q3 2026 13F, Renaissance Technologies holds 138,541 shares of BELFB (Bel Fuse).

Question 3

What is Renaissance Technologies' BELFB position worth?

Accepted Answer

As of its Q3 2026 13F, Renaissance Technologies' BELFB position is worth $33.8M.

Question 4

Is Renaissance Technologies buying or selling BELFB?

Accepted Answer

In Q3 2026, Renaissance Technologies reduced its BELFB position by 69,200 shares (-33.3%).

Question 5

When did Renaissance Technologies first buy BELFB?

Accepted Answer

Renaissance Technologies already held BELFB in its Q3 2019 13F, the earliest on record, and has listed it in 29 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q3 Latest	Decreased	138,541	-33.3%	$33.8M	0.0%	$244.04	0
2026-Q2	Decreased	207,741	-2.9%	$69.2M	0.1%	$332.85	0
2026-Q1	Decreased	213,872	-7.6%	$42.3M	0.1%	$197.81	0
2025-Q4	Decreased	231,351	-8.5%	$39.2M	0.1%	$169.42	0
2025-Q3	Decreased	252,851	-10.8%	$35.7M	0.0%	$140.78	0
2025-Q2	Decreased	283,451	-12.4%	$27.7M	0.0%	$97.46	0
2025-Q1	Increased	323,751	+6.7%	$24.2M	0.0%	$74.61	31
2024-Q4	Decreased	303,532	-0.6%	$25M	0.0%	$82.12	0
2024-Q3	Decreased	305,451	-1.4%	$24M	0.0%	$78.13	0