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BELFB

Bel Fuse Inc Class B

174 hedge funds and large institutions have $942M invested in Bel Fuse Inc Class B in 2025 Q2 according to their latest regulatory filings, with 36 funds opening new positions, 55 increasing their positions, 64 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed

528% more call options, than puts

Call options by funds: $1.53M | Put options by funds: $244K

44% more first-time investments, than exits

New positions opened: 36 | Existing positions closed: 25

37% more capital invested

Capital invested by funds: $689M → $942M (+$253M)

14% more funds holding in top 10

Funds holding in top 10: 78 (+1)

6% more funds holding

Funds holding: 164174 (+10)

2.96% more ownership

Funds ownership: 88.4%91.36% (+3%)

14% less repeat investments, than reductions

Existing positions increased: 55 | Existing positions reduced: 64

Holders
174
Holders Change
+10
Holders Change %
+6.1%
% of All Funds
2.29%
Holding in Top 10
8
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+14.29%
% of All Funds
0.11%
New
36
Increased
55
Reduced
64
Closed
25
Calls
$1.53M
Puts
$244K
Net Calls
+$1.29M
Net Calls Change
+$1.01M
Name Holding Trade Value Shares
Change
Change in
Stake
Lord, Abbett & Co
26
Lord, Abbett & Co
New Jersey
$7.97M +$6.16M +81,566 New
BAM
27
Ballast Asset Management
Texas
$6.78M
SMP
28
Santa Monica Partners
Florida
$6.61M
RC
29
Roubaix Capital
Colorado
$6.31M -$428K -5,668 -8%
Bank of New York Mellon
30
Bank of New York Mellon
New York
$6.12M +$327K +4,332 +7%
PCM
31
Portolan Capital Management
Massachusetts
$6.11M -$9.18M -121,698 -66%
DIA
32
Dean Investment Associates
Ohio
$5.09M +$274K +3,628 +7%
NIM
33
NEOS Investment Management
Connecticut
$5.05M +$913K +12,103 +31%
TE
34
Tema ETFs
New York
$5.05M +$1M +13,300 +35%
Boston Partners
35
Boston Partners
Massachusetts
$5.01M +$999K +13,234 +35%
Russell Investments Group
36
Russell Investments Group
United Kingdom
$4.78M -$147K -1,953 -4%
IP
37
Isthmus Partners
Wisconsin
$4.63M -$226 -3 -0%
LSV Asset Management
38
LSV Asset Management
Illinois
$4.21M -$5.25M -69,500 -62%
DCM
39
Dean Capital Management
Kansas
$4.1M +$566K +7,498 +22%
PAPAIJV
40
Paragon Associates & Paragon Associates II Joint Venture
Texas
$3.91M -$1.66M -22,000 -35%
Lazard Asset Management
41
Lazard Asset Management
New York
$3.82M +$795K +10,530 +37%
Goldman Sachs
42
Goldman Sachs
New York
$3.64M +$253K +3,351 +10%
UBS AM
43
UBS AM
Illinois
$3.31M +$1.03M +13,603 +67%
PCR
44
Potrero Capital Research
California
$3.27M -$10.7M -141,328 -81%
Millennium Management
45
Millennium Management
New York
$3.2M +$2.47M +32,783 New
EEL
46
Expect Equity LLC
Maryland
$3.15M -$75.5K -1,000 -3%
Morgan Stanley
47
Morgan Stanley
New York
$3.03M -$1.07M -14,165 -31%
ACA
48
Apis Capital Advisors
New York
$3.01M +$709K +9,400 +44%
HIM
49
Herald Investment Management
United Kingdom
$2.93M
UBS Group
50
UBS Group
Switzerland
$2.9M -$238K -3,160 -10%

BELFB Hedge Fund Activity: Q2 2025 in Review

174 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Bel Fuse Inc Class B (BELFB) for Q2 2025, worth a combined $942M — up 37% from $689M a quarter earlier.

Buyers outnumbered sellers: 36 funds opened new BELFB positions and 25 closed out — a net gain of 11 holders — while 55 added to existing stakes and 64 trimmed.

The largest buyer was Massachusetts Financial Services, adding an estimated $24.8M. The largest seller was Potrero Capital Research, cutting an estimated $10.7M.

  • 174 institutional investors held Bel Fuse Inc Class B (BELFB) as of Q2 2025, up from 164 in Q1 2025.
  • Funds reported $942M of Bel Fuse Inc Class B stock for Q2 2025, up 37% quarter-over-quarter.
  • 36 funds opened new Bel Fuse Inc Class B positions in Q2 2025 and 25 closed out, a net change of +11 holders.
  • The largest Bel Fuse Inc Class B buyer in Q2 2025 was Massachusetts Financial Services, an estimated $24.8M added.
  • The largest Bel Fuse Inc Class B seller in Q2 2025 was Potrero Capital Research, an estimated $10.7M sold.

Based on aggregated 13F filings for Q2 2025.