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Bel Fuse Inc Class A

76 hedge funds and large institutions have $148M invested in Bel Fuse Inc Class A in 2025 Q4 according to their latest regulatory filings, with 18 funds opening new positions, 21 increasing their positions, 24 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed

260% more first-time investments, than exits

New positions opened: 18 | Existing positions closed: 5

39% more capital invested

Capital invested by funds: $107M → $148M (+$41.8M)

21% more funds holding

Funds holding: 6376 (+13)

2.92% more ownership

Funds ownership: 43.37%46.29% (+2.9%)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

13% less repeat investments, than reductions

Existing positions increased: 21 | Existing positions reduced: 24

Holders
76
Holders Change
+13
Holders Change %
+20.63%
% of All Funds
0.92%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.01%
New
18
Increased
21
Reduced
24
Closed
5
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Brown Advisory
1
Brown Advisory
Maryland
$21.7M -$1.65M -12,279 -8%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$13.1M -$321K -2,390 -3%
BlackRock
3
BlackRock
New York
$13M -$139K -1,036 -1%
GI
4
GAMCO Investors
Connecticut
$9.96M -$1.35M -10,100 -13%
GF
5
Gabelli Funds
New York
$9.87M -$215K -1,600 -2%
Vanguard Group
6
Vanguard Group
Pennsylvania
$9M +$898K +6,696 +13%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$8.3M -$1.02M -7,621 -12%
CCC
8
Cable Car Capital
California
$7.1M +$6.27M +46,763 New
Renaissance Technologies
9
Renaissance Technologies
New York
$6.38M -$93.9K -700 -2%
HP
10
Hound Partners
New York
$5.71M +$5.05M +37,640 New
Geode Capital Management
11
Geode Capital Management
Massachusetts
$5.71M +$359K +2,674 +8%
IAMOG
12
Investors Asset Management of Georgia
Georgia
$3.94M -$28.2K -210 -0.8%
SMP
13
Santa Monica Partners
Florida
$3.56M
State Street
14
State Street
Massachusetts
$3.29M +$50.7K +378 +2%
American Century Companies
15
American Century Companies
Missouri
$2.91M -$1.03M -7,670 -29%
Arrowstreet Capital
16
Arrowstreet Capital
Massachusetts
$2.2M +$64.9K +484 +3%
Millennium Management
17
Millennium Management
New York
$1.93M +$1.3M +9,656 +314%
Northern Trust
18
Northern Trust
Illinois
$1.72M -$535K -3,989 -26%
AC
19
Aristeia Capital
Connecticut
$1.68M +$268K +1,994 +22%
Janney Montgomery Scott
20
Janney Montgomery Scott
Pennsylvania
$1.63M -$3.35K -25 -0.2%
HIM
21
Herald Investment Management
United Kingdom
$1.13M
Citadel Advisors
22
Citadel Advisors
Florida
$1.09M -$825K -6,147 -46%
NCM
23
Nitor Capital Management
New Jersey
$1.06M +$939K +7,000 New
UBS Group
24
UBS Group
Switzerland
$1.02M +$259K +1,930 +40%
Jane Street
25
Jane Street
New York
$914K +$240K +1,788 +42%

BELFA Hedge Fund Activity: Q4 2025 in Review

76 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Bel Fuse Inc Class A (BELFA) for Q4 2025, worth a combined $148M — up 39% from $107M a quarter earlier.

Buyers outnumbered sellers: 18 funds opened new BELFA positions and 5 closed out — a net gain of 13 holders — while 21 added to existing stakes and 24 trimmed.

The largest buyer was Cable Car Capital, opening a new position worth an estimated $6.27M. The largest seller was Advisory Research, exiting entirely with an estimated $3.29M sold.

  • 76 institutional investors held Bel Fuse Inc Class A (BELFA) as of Q4 2025, up from 63 in Q3 2025.
  • Funds reported $148M of Bel Fuse Inc Class A stock for Q4 2025, up 39% quarter-over-quarter.
  • 18 funds opened new Bel Fuse Inc Class A positions in Q4 2025 and 5 closed out, a net change of +13 holders.
  • The largest Bel Fuse Inc Class A buyer in Q4 2025 was Cable Car Capital, an estimated $6.27M added.
  • The largest Bel Fuse Inc Class A seller in Q4 2025 was Advisory Research, an estimated $3.29M sold.

Based on aggregated 13F filings for Q4 2025.