Bel Fuse Ownership | Who Owns Bel Fuse?

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Bel Fuse Ownership Summary

Bel Fuse is owned by 17.34% institutional investors, 2.27% insiders, and 80.39% retail investors. Vanguard group is the largest institutional shareholder, holding 7.34% of BELFB shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 3.03% of its assets in Bel Fuse shares.

BELFB Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Bel Fuse	17.34%	2.27%	80.39%
Sector	Technology Stocks	50.63%	12.54%	36.83%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	908.03K	7.34%	$128.05M
Blackrock funding, inc. /de	838.43K	6.78%	$118.24M
Blackrock	826.20K	6.64%	$53.90M
Fmr	610.43K	4.94%	$86.08M
Price t rowe associates inc /md/	478.70K	3.87%	$67.51M
Janus henderson group	398.12K	3.17%	$32.82M
T. rowe price investment management	357.27K	2.89%	$50.38M
Dimensional fund advisors lp	335.79K	2.72%	$47.35M
Geode capital management	265.15K	2.14%	$37.39M
Renaissance	252.85K	2.05%	$35.66M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Makaira partners	100.00K	7.24%	$14.10M
Santa monica partners lp	67.63K	5.60%	$9.54M
Advisory research	193.56K	3.58%	$27.30M
Ballast asset management, lp	51.08K	3.29%	$7.20M
Expect equity	23.49K	3.23%	$3.31M
Paragon associates & paragon associates ii joint venture	10.00K	2.51%	$1.41M
Dean capital management	32.24K	1.77%	$4.55M
Investors asset management of georgia inc /ga/ /adv	24.96K	1.50%	$3.52M
Perritt capital management	14.15K	0.95%	$2.00M
Portolan capital management	123.77K	0.94%	$17.45M

Top Buyers

Holder	Shares	% Assets	Change
Fmr	610.43K	0.00%	335.81K
Price t rowe associates inc /md/	478.70K	0.01%	325.72K
T. rowe price investment management	357.27K	0.03%	184.97K
Janus henderson group	398.12K	0.02%	141.95K
Arrowstreet capital, limited partnership	103.08K	0.01%	103.08K

Top Sellers

Holder	Shares	% Assets	Change
Dimensional fund advisors lp	335.79K	0.01%	-309.74K
Advisory research	193.56K	3.58%	-197.30K
Royce & associates lp	200.30K	0.28%	-182.16K
Makaira partners	100.00K	7.24%	-146.00K
Massachusetts financial services co /ma/	244.51K	0.01%	-141.31K

New Positions

Holder	Shares	% Assets	Change	Value
Arrowstreet capital, limited partnership	103.08K	0.01%	103.08K	$14.54M
Voloridge investment management	31.50K	0.01%	31.50K	$4.44M
Herald investment management	30.00K	0.56%	30.00K	$4.23M
Castleark management	24.18K	0.10%	24.18K	$3.41M
Tudor investment corp et al	19.43K	0.00%	19.43K	$2.74M

Sold Out

Holder	Change
Capital performance advisors llp	-1.00
Nelson, van denburg & campbell wealth management group	-2.00
Twin peaks wealth advisors	-4.00
Frazier financial advisors	-5.00
Stephens consulting	-5.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2025	68	-60.92%	2,144,158	-77.69%	17	0.29%	32	-64.04%	22	-65.63%
Jun 30, 2025	173	4.85%	9,462,202	4.85%	76	1.49%	88	39.68%	64	-12.33%
Mar 31, 2025	10	-94.12%	296,206	-96.58%	2	0.05%	5	-93.67%	4	-93.55%
Dec 31, 2024	169	0.60%	8,601,716	2.82%	68	1.54%	78	-1.27%	62	10.71%
Sep 30, 2024	168	5.00%	8,365,462	1.03%	66	1.51%	79	3.95%	56	-1.75%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	380.19K	3.03%	-
Vanguard Total Stock Mkt Idx Inv	363.32K	2.87%	-14.08K
Advisory Research Partners	315.00K	2.49%	-10.00K
Janus Henderson US Small Cap Growth MA	272.79K	2.17%	272.79K
Janus Henderson Venture D	272.92K	2.16%	-
Janus Henderson US Small Cap Growth	272.92K	2.16%	-
iShares Russell 2000 ETF	255.17K	2.02%	-
Vanguard Information Technology ETF	249.34K	1.97%	10.20K
MFS New Discovery Value I	221.35K	1.75%	-58.55K
Invesco Small Cap Value A	201.60K	1.61%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Nov 17, 2025	BERNSTEIN DANIEL		Sell	$335.05K
Nov 18, 2025	BERNSTEIN DANIEL		Sell	$96.11K
Nov 18, 2025	Lai Kenneth Koon Keung	VP of Asia Operations	Sell	$80.07K
Nov 17, 2025	Lai Kenneth Koon Keung	VP of Asia Operations	Sell	$279.23K
Nov 17, 2025	Berry Joseph	VP, Pres of Magnetic Solutions	Sell	$58.85K

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	-	6
2025 Q3	-	2
2025 Q2	-	2
2025 Q1	-	1
2024 Q4	-	2

BELFB Ownership FAQ

Who owns the most shares of Bel Fuse?

Bel Fuse’s largest shareholders are Vanguard group (908.03K shares, 7.34%), Blackrock funding, inc. /de (838.43K shares, 6.78%), and Blackrock (826.2K shares, 6.64%). Together, they hold 20.77% of Bel Fuse’s total shares outstanding.

Does Blackrock own Bel Fuse?

Yes, BlackRock owns 6.64% of Bel Fuse, totaling 826.2K shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 53.9M$. In the last quarter, BlackRock increased its holdings by 29.2K shares, a 3.66% change.

Who is Bel Fuse’s biggest shareholder by percentage of total assets invested?

Makaira partners is Bel Fuse’s biggest shareholder by percentage of total assets invested, with 7.24% of its assets in 100K Bel Fuse shares, valued at 14.1M$.

Who is the top mutual fund holder of Bel Fuse shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Bel Fuse shares, with 3.03% of its total shares outstanding invested in 380.19K Bel Fuse shares.

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