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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
Vanguard Group
1
Vanguard Group
Pennsylvania
$88.9M -$527K -6,983 -0.8%
BlackRock
2
BlackRock
New York
$81.1M -$798K -10,576 -1%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$63.1M -$5.22M -69,134 -10%
Janus Henderson Group
4
Janus Henderson Group
United Kingdom
$41.8M +$1.74M +23,071 +6%
AR
5
Advisory Research
Illinois
$38.2M +$1.19M +15,769 +4%
Massachusetts Financial Services
6
Massachusetts Financial Services
Massachusetts
$37.7M +$24.8M +328,643 +575%
RA
7
Royce & Associates
New York
$37.4M -$2.65M -35,149 -8%
Bessemer Group
8
Bessemer Group
New Jersey
$31.8M +$5.43M +71,895 +28%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$31.5M +$622K +8,243 +3%
WA
10
Wasatch Advisors
Utah
$27.7M +$5.39M +71,390 +34%
Renaissance Technologies
11
Renaissance Technologies
New York
$27.7M -$3.04M -40,300 -12%
Fidelity Investments
12
Fidelity Investments
Massachusetts
$26.8M +$20.5M +272,131 +10,942%
American Century Companies
13
American Century Companies
Missouri
$25.9M -$6.96M -92,267 -26%
MP
14
Makaira Partners
California
$24M
State Street
15
State Street
Massachusetts
$23.4M +$481K +6,379 +3%
GKIM
16
GW&K Investment Management
Massachusetts
$21.1M -$177K -2,350 -1%
Loomis, Sayles & Company
17
Loomis, Sayles & Company
Massachusetts
$19.2M +$119K +1,577 +0.8%
T. Rowe Price Investment Management
18
T. Rowe Price Investment Management
Maryland
$16.8M +$13M +172,296 New
T. Rowe Price Associates
19
T. Rowe Price Associates
Maryland
$14.9M +$11.2M +148,424 +3,262%
Thrivent Financial for Lutherans
20
Thrivent Financial for Lutherans
Minnesota
$14.4M -$1.68M -22,255 -13%
Invesco
21
Invesco
Georgia
$13.4M -$2.76M -36,573 -21%
Brown Advisory
22
Brown Advisory
Maryland
$12.9M -$671K -8,891 -6%
GIM
23
Granahan Investment Management
Massachusetts
$10.6M -$3.21M -42,569 -28%
Northern Trust
24
Northern Trust
Illinois
$10.6M -$194K -2,573 -2%
Charles Schwab
25
Charles Schwab
California
$9.63M +$91.4K +1,211 +1%

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.