Bel Fuse Ownership | Who Owns Bel Fuse?

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Bel Fuse Ownership Summary

Bel Fuse is owned by 0.90% institutional investors, 22.18% insiders, and 76.92% retail investors. Brown advisory is the largest institutional shareholder, holding 1.23% of BELFA shares. Brown Advisory Small-Cap Fdmtl Val Inv is the top mutual fund, with 0.71% of its assets in Bel Fuse shares.

BELFA Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Bel Fuse	0.90%	22.18%	76.92%
Sector	Technology Stocks	50.63%	12.54%	36.83%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Brown advisory	155.34K	1.23%	$18.07M
Fmr	88.63K	0.70%	$10.31M
Blackrock funding, inc. /de	86.81K	0.69%	$10.10M
Gamco investors, inc. et al	75.74K	0.60%	$8.81M
Blackrock	81.30K	0.57%	$6.58M
Gabelli funds	66.60K	0.53%	$7.75M
Dimensional fund advisors lp	62.29K	0.49%	$7.25M
Vanguard group	52.61K	0.42%	$6.12M
Renaissance	42.75K	0.34%	$4.97M
Geode capital management	34.93K	0.28%	$4.07M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Santa monica partners lp	23.43K	1.60%	$2.73M
Investors asset management of georgia inc /ga/ /adv	26.15K	1.29%	$3.04M
Advisory research	28.25K	0.43%	$3.29M
Makaira partners	4.00K	0.24%	$465.52K
Herald investment management	7.50K	0.12%	$872.17K
Gamco investors, inc. et al	75.74K	0.09%	$8.81M
Gabelli funds	66.60K	0.05%	$7.75M
Aristeia capital	9.10K	0.02%	$1.06M
Brown advisory	155.34K	0.02%	$18.07M
Fny investment advisers	571.00	0.02%	$51.00K

Top Buyers

Holder	Shares	% Assets	Change
Blackrock	81.30K	0.00%	77.73K
Fmr	88.63K	0.00%	20.19K
Arrowstreet capital, limited partnership	13.99K	0.00%	13.99K
Aristeia capital	9.10K	0.02%	9.10K
Herald investment management	7.50K	0.12%	7.50K

Top Sellers

Holder	Shares	% Assets	Change
Potrero capital research	-	-	-24.07K
Royce & associates lp	-	-	-18.80K
Dimensional fund advisors lp	62.29K	0.00%	-15.31K
Cynosure management	-	-	-5.30K
Gamco investors, inc. et al	75.74K	0.09%	-5.30K

New Positions

Holder	Shares	% Assets	Change	Value
Arrowstreet capital, limited partnership	13.99K	0.00%	13.99K	$1.63M
Aristeia capital	9.10K	0.02%	9.10K	$1.06M
Herald investment management	7.50K	0.12%	7.50K	$872.17K
Jane street group	4.23K	0.00%	4.23K	$492.63M
Strs ohio	700.00	0.00%	700.00	$56.64K

Sold Out

Holder	Change
Covestor	-6.00
Ameritas advisory services	-10.00
Glenmede investment management, lp	-15.00
Macquarie group	-31.00
Corecap advisors	-78.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2025	20	-64.29%	114,265	-87.33%	-	1.78%	10	-56.52%	3	-85.71%
Jun 30, 2025	56	3.70%	901,174	-5.47%	7	12.37%	23	35.29%	21	-12.50%
Mar 31, 2025	55	1.85%	957,279	-4.00%	7	12.06%	18	-28.00%	24	71.43%
Dec 31, 2024	54	-	997,138	-4.22%	7	11.55%	25	-21.88%	14	27.27%
Sep 30, 2024	54	35.00%	1,041,080	6.89%	8	17.66%	32	28.00%	11	-

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Brown Advisory Small-Cap Fdmtl Val Inv	89.89K	0.71%	-672.00
1290 VT GAMCO Small Company Value IB	74.50K	0.59%	-2.20K
Gabelli Small Cap Growth AAA	67.20K	0.53%	-5.00K
Vanguard Information Technology ETF	34.61K	0.27%	2.83K
iShares Russell 2000 ETF	33.70K	0.27%	-
FIAM Small Cap Core CIT Cl B	31.20K	0.25%	31.20K
JPMorgan Small Cap Value I	29.68K	0.23%	-240.00
DFA US Micro Cap I	29.47K	0.23%	-
Advisory Research Partners	28.25K	0.22%	9.01K
Avantis US Small Cap Value ETF	25.43K	0.20%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Nov 18, 2025	BERNSTEIN DANIEL		Sell	$96.11K
Nov 17, 2025	BERNSTEIN DANIEL		Sell	$335.05K
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

BELFA Ownership FAQ

Who owns the most shares of Bel Fuse?

Bel Fuse’s largest shareholders are Brown advisory (155.34K shares, 1.23%), Fmr (88.63K shares, 0.70%), and Blackrock funding, inc. /de (86.81K shares, 0.69%). Together, they hold 2.61% of Bel Fuse’s total shares outstanding.

Does Blackrock own Bel Fuse?

Yes, BlackRock owns 0.57% of Bel Fuse, totaling 81.3K shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 6.58M$. In the last quarter, BlackRock increased its holdings by 77.73K shares, a 2177.25% change.

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

Santa monica partners lp is Bel Fuse’s biggest shareholder by percentage of total assets invested, with 1.60% of its assets in 23.43K Bel Fuse shares, valued at 2.73M$.

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

Brown Advisory Small-Cap Fdmtl Val Inv is the top mutual fund holder of Bel Fuse shares, with 0.71% of its total shares outstanding invested in 89.89K Bel Fuse shares.

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