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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
Vanguard Group
1
Vanguard Group
Pennsylvania
$128M -$265K -2,082 -0.2%
BlackRock
2
BlackRock
New York
$118M +$1.06M +8,329 +1%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$86.1M +$42.8M +335,814 +122%
Janus Henderson Group
4
Janus Henderson Group
United Kingdom
$73.3M +$11.7M +92,108 +22%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$67.5M +$41.5M +325,724 +213%
T. Rowe Price Investment Management
6
T. Rowe Price Investment Management
Maryland
$50.4M +$23.6M +184,973 +107%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$47.4M -$39.5M -309,737 -48%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$37.4M -$7.24M -56,775 -18%
Renaissance Technologies
9
Renaissance Technologies
New York
$35.7M -$3.9M -30,600 -11%
Thrivent Financial for Lutherans
10
Thrivent Financial for Lutherans
Minnesota
$34.6M +$12.5M +98,178 +67%
Massachusetts Financial Services
11
Massachusetts Financial Services
Massachusetts
$34.5M -$18M -141,305 -37%
State Street
12
State Street
Massachusetts
$34M +$198K +1,555 +0.6%
WA
13
Wasatch Advisors
Utah
$33.2M -$6.18M -48,496 -17%
Bessemer Group
14
Bessemer Group
New Jersey
$29.1M -$15.2M -119,525 -37%
Loomis, Sayles & Company
15
Loomis, Sayles & Company
Massachusetts
$28.3M +$489K +3,841 +2%
RA
16
Royce & Associates
New York
$28.2M -$23.2M -182,155 -48%
GKIM
17
GW&K Investment Management
Massachusetts
$27.5M -$2.59M -20,297 -9%
AR
18
Advisory Research
Illinois
$27.3M -$25.1M -197,298 -50%
Invesco
19
Invesco
Georgia
$24.6M +$4.74M +37,175 +27%
American Century Companies
20
American Century Companies
Missouri
$24.2M -$11.9M -93,316 -35%
Brown Advisory
21
Brown Advisory
Maryland
$18.1M -$483K -3,794 -3%
PCM
22
Portolan Capital Management
Massachusetts
$17.5M +$7.8M +61,240 +98%
Northern Trust
23
Northern Trust
Illinois
$15.2M -$29.4K -231 -0.2%
Arrowstreet Capital
24
Arrowstreet Capital
Massachusetts
$14.5M +$13.1M +103,082 New
MP
25
Makaira Partners
California
$14.1M -$18.6M -145,999 -59%

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.