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BELFB

Bel Fuse Inc Class B

197 hedge funds and large institutions have $1.31B invested in Bel Fuse Inc Class B in 2025 Q3 according to their latest regulatory filings, with 46 funds opening new positions, 53 increasing their positions, 71 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,140% more call options, than puts

Call options by funds: $9.27M | Put options by funds: $747K

100% more first-time investments, than exits

New positions opened: 46 | Existing positions closed: 23

39% more capital invested

Capital invested by funds: $942M → $1.31B (+$372M)

13% more funds holding

Funds holding: 174197 (+23)

2.77% less ownership

Funds ownership: 91.36%88.59% (-2.8%)

13% less funds holding in top 10

Funds holding in top 10: 87 (-1)

25% less repeat investments, than reductions

Existing positions increased: 53 | Existing positions reduced: 71

Holders
197
Holders Change
+23
Holders Change %
+13.22%
% of All Funds
2.59%
Holding in Top 10
7
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-12.5%
% of All Funds
0.09%
New
46
Increased
53
Reduced
71
Closed
23
Calls
$9.27M
Puts
$747K
Net Calls
+$8.52M
Net Calls Change
+$7.23M
Name Holding Trade Value Shares
Change
Change in
Stake
Charles Schwab
26
Charles Schwab
California
$14M +$54.8K +430 +0.4%
Citadel Advisors
27
Citadel Advisors
Florida
$13.5M +$9.25M +72,585 +309%
GIM
28
Granahan Investment Management
Massachusetts
$12.3M -$2.75M -21,602 -20%
Jane Street
29
Jane Street
New York
$10.2M +$9.24M +72,480 New
SMP
30
Santa Monica Partners
Florida
$9.54M
Bank of New York Mellon
31
Bank of New York Mellon
New York
$8.73M -$96K -753 -1%
Lord, Abbett & Co
32
Lord, Abbett & Co
New Jersey
$8.67M -$2.56M -20,091 -25%
Goldman Sachs
33
Goldman Sachs
New York
$8.63M +$3.05M +23,957 +64%
Boston Partners
34
Boston Partners
Massachusetts
$7.86M +$564K +4,425 +9%
NIM
35
NEOS Investment Management
Connecticut
$7.46M +$150K +1,179 +2%
TE
36
Tema ETFs
New York
$7.46M +$150K +1,179 +2%
BAM
37
Ballast Asset Management
Texas
$7.2M -$2.33M -18,286 -26%
Russell Investments Group
38
Russell Investments Group
United Kingdom
$5.85M -$950K -7,458 -15%
DIA
39
Dean Investment Associates
Ohio
$5.51M -$1.66M -13,048 -25%
Morgan Stanley
40
Morgan Stanley
New York
$5.38M +$907K +7,117 +23%
Susquehanna International Group
41
Susquehanna International Group
Pennsylvania
$4.91M +$1.53M +11,992 +53%
DCM
42
Dean Capital Management
Kansas
$4.55M -$1.24M -9,721 -23%
Voloridge Investment Management
43
Voloridge Investment Management
Florida
$4.44M +$4.01M +31,498 New
HIM
44
Herald Investment Management
United Kingdom
$4.23M
EI
45
EAM Investors
California
$3.75M +$350K +2,745 +11%
IAMOG
46
Investors Asset Management of Georgia
Georgia
$3.52M -$31.9K -250 -1%
CM
47
Castleark Management
Illinois
$3.41M +$3.08M +24,181 New
EEL
48
Expect Equity LLC
Maryland
$3.31M -$1.11M -8,724 -27%
N
49
Nuveen
North Carolina
$3.17M
Swiss National Bank
50
Swiss National Bank
Switzerland
$2.88M +$63.7K +500 +3%

BELFB Hedge Fund Activity: Q3 2025 in Review

197 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Bel Fuse Inc Class B (BELFB) for Q3 2025, worth a combined $1.31B — up 39% from $942M a quarter earlier.

Buyers outnumbered sellers: 46 funds opened new BELFB positions and 23 closed out — a net gain of 23 holders — while 53 added to existing stakes and 71 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $42.8M. The largest seller was Dimensional Fund Advisors, cutting an estimated $39.5M.

  • 197 institutional investors held Bel Fuse Inc Class B (BELFB) as of Q3 2025, up from 174 in Q2 2025.
  • Funds reported $1.31B of Bel Fuse Inc Class B stock for Q3 2025, up 39% quarter-over-quarter.
  • 46 funds opened new Bel Fuse Inc Class B positions in Q3 2025 and 23 closed out, a net change of +23 holders.
  • The largest Bel Fuse Inc Class B buyer in Q3 2025 was Fidelity Investments, an estimated $42.8M added.
  • The largest Bel Fuse Inc Class B seller in Q3 2025 was Dimensional Fund Advisors, an estimated $39.5M sold.

Based on aggregated 13F filings for Q3 2025.