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Bel Fuse Inc

BELFB
Exchange
Nasdaq
Industry
Electronic Coils, Transformers & Other Inductors
SEC CIK
0000729580

In the last 90 days, Bel Fuse Inc insiders filed 0 open-market purchases and 3 sales; 276 institutions reported holding it in 13F filings for Q2 2026, worth $4.18B in total; no superinvestor holds it.

Other share classesBELFA

13F holders, Q2 2026

Institutional positions in Bel Fuse Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
276
+45 vs. Q1 2026
Shares held
12.6M
+3.01M (+31.4%) vs. Q1 2026
Total value
$4.18B
+$2.29B (+120.6%) vs. Q1 2026
New holders
78
114 more added
Sold out
33
64 more reduced

4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting BELFB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 276 institutions
Q1 2021: 88 institutionsQ2 2021: 82 institutionsQ3 2021: 82 institutionsQ4 2021: 67 institutionsQ1 2022: 70 institutionsQ2 2022: 61 institutionsQ3 2022: 83 institutionsQ4 2022: 90 institutionsQ1 2023: 96 institutionsQ2 2023: 126 institutionsQ3 2023: 134 institutionsQ4 2023: 146 institutionsQ1 2024: 147 institutionsQ2 2024: 153 institutionsQ3 2024: 163 institutionsQ4 2024: 168 institutionsQ1 2025: 164 institutionsQ2 2025: 174 institutionsQ3 2025: 197 institutionsQ4 2025: 207 institutionsQ1 2026: 235 institutionsQ2 2026: 276 institutions
Value heldQ2 2026: $4.18B
Q1 2021: $155.6MQ2 2021: $107.4MQ3 2021: $79.1MQ4 2021: $79.4MQ1 2022: $111.9MQ2 2022: $95.9MQ3 2022: $160.2MQ4 2022: $205.7MQ1 2023: $250.6MQ2 2023: $412.5MQ3 2023: $333.4MQ4 2023: $491.0MQ1 2024: $456.7MQ2 2024: $539.8MQ3 2024: $656.5MQ4 2024: $714.9MQ1 2025: $689.3MQ2 2025: $941.8MQ3 2025: $1.31BQ4 2025: $1.72BQ1 2026: $2.05BQ2 2026: $4.18B
Institutions holding BELFB and their total value by quarter
QuarterHoldersValue
Q2 2026276$4.18B
Q1 2026235$2.05B
Q4 2025207$1.72B
Q3 2025197$1.31B
Q2 2025174$941.8M
Q1 2025164$689.3M
Q4 2024168$714.9M
Q3 2024163$656.5M
Q2 2024153$539.8M
Q1 2024147$456.7M
Q4 2023146$491.0M
Q3 2023134$333.4M
Q2 2023126$412.5M
Q1 202396$250.6M
Q4 202290$205.7M
Q3 202283$160.2M
Q2 202261$95.9M
Q1 202270$111.9M
Q4 202167$79.4M
Q3 202182$79.1M
Q2 202182$107.4M
Q1 202188$155.6M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q1 2026.

Institutions holding BELFB in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Caitong International Asset Management Co., Ltd1$3330.00%−406−99.8%Reduced
Investors Portfolio Services LLC1$3330.00%00.0%Unchanged
Silver Grove Financial Group, Inc.1$3330.00%+1New
UMA Financial Services, Inc.1$3340.00%+1New
American Capital Advisory, LLC1$3340.00%+1New
Strengthening Families & Communities, LLC2$6660.00%+2New
Cullen/Frost Bankers, Inc.7$2.33K0.00%00.0%Unchanged
Rialto Wealth Management, LLC9$3.00K0.00%+2+28.6%Added
Zions Bancorporation, National Association10$3.33K0.00%00.0%Unchanged
Hughes Financial Services, LLC10$3.33K0.00%+9+900.0%Added
Steward Partners Investment Advisory, LLC10$3.33K0.00%+10New
Raffa Wealth Management, LLC12$4.00K0.00%+5+71.4%Added
Keating Financial Advisory Services, Inc.12$4.00K0.00%+5+71.4%Added
LRI Investments, LLC13$4.33K0.00%−8−38.1%Reduced
Colonial Trust Co14$4.53K0.00%00.0%Unchanged
True Wealth Design, LLC14$4.66K0.00%−5−26.3%Reduced
Allworth Financial LP14$4.66K0.00%+1+7.7%Added
Picton Mahoney Asset Management16$5.33K0.00%+16New
Northwestern Mutual Wealth Management Co18$6.00K0.00%+16+800.0%Added
City State Bank21$6.99K0.00%+21New
Rothschild Investment LLC22$7.33K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.23$7.66K0.00%+22+2,200.0%Added
Clearstead Advisors, LLC32$10.7K0.00%+32New
Pinnacle Wealth Planning Services, Inc.35$11.7K0.00%00.0%Unchanged
Barrow Hanley Mewhinney & Strauss LLC35$11.7K0.00%+35New
Accent Capital Management, LLC35$11.7K0.01%+35New
Sterling Capital Management LLC43$14.3K0.00%−302−87.5%Reduced
SBI Securities Co., Ltd.45$15.0K0.00%+45New
WealthCollab, LLC46$15.3K0.01%00.0%Unchanged
EverSource Wealth Advisors, LLC57$19.0K0.00%+19+50.0%Added
Smartleaf Asset Management LLC64$20.2K0.00%00.0%Unchanged
Optiver Holding B.V.80$26.6K0.00%+26+48.1%Added
Group One Trading, L.P.86$28.6K0.00%+86New
Signaturefd, LLC87$29.0K0.00%−10−10.3%Reduced
Covestor Ltd105$35.0K0.02%+2+1.9%Added
Farther Finance Advisors, LLC130$43.3K0.00%+9+7.4%Added
Parallel Advisors, LLC151$50.3K0.00%+85+128.8%Added
US Bancorp171$57.0K0.00%+29+20.4%Added
GAMMA Investing LLC190$63.3K0.00%+3+1.6%Added
Signature Equity Partners, LLC206$68.6K0.03%+8+4.0%Added
Smithfield Trust Co232$78.0K0.00%00.0%Unchanged
Elequin Capital LP265$88.3K0.00%+265New
The PNC Financial Services Group, Inc.310$103.2K0.00%+24+8.4%Added
Persistent Asset Partners Ltd337$112.2K0.04%+337New
Nisa Investment Advisors, LLC410$136.5K0.00%+275+203.7%Added
Kemnay Advisory Services Inc.427$142.2K0.02%+334+359.1%Added
KBC Group NV434$145.0K0.00%+242+126.0%Added
Federated Hermes, Inc.468$155.9K0.00%−57−10.9%Reduced
Transamerica Financial Advisors, Inc.482$160.6K0.01%+126+35.4%Added
State of Wyoming514$171.2K0.02%+361+235.9%Added
State of Alaska, Department of Revenue557$185.0K0.00%00.0%Unchanged
Fifth Third Bancorp584$194.4K0.00%+80+15.9%Added
Sequoia Financial Advisors, LLC617$205.5K0.00%+617New
Park Capital Management, LLC637$212.1K0.12%+637New
Symmetry Partners, LLC642$213.8K0.01%+642New
JustInvest LLC643$214.1K0.00%+643New
Money Concepts Capital Corp654$217.8K0.01%+654New
Atria Investments LLC657$218.8K0.00%+657New
Nykredit A/S672$223.8K0.00%+672New
Park Avenue Securities LLC674$224.0K0.00%+674New
CIBC Bancorp USA Inc.692$230.5K0.00%+692New
Axq Capital, LP695$231.5K0.03%+695New
Cornerstone Capital, Inc.700$233.1K0.02%+700New
Arrowstreet Capital, Limited Partnership718$239.1K0.00%−32,259−97.8%Reduced
GTS Securities LLC721$240.1K0.01%+721New
Net Worth Advisory Group728$242.6K0.06%+728New
Versant Capital Management, Inc732$243.8K0.02%00.0%Unchanged
J.W. Cole Advisors, Inc.735$244.8K0.00%+735New
Quantbot Technologies LP744$247.8K0.01%+744New
Belvedere Trading LLC745$248.1K0.02%+745New
IFP Advisors, Inc750$249.8K0.00%00.0%Unchanged
Leavell Investment Management, Inc.750$249.8K0.01%+750New
F/M Investments LLC794$264.4K0.01%+794New
Pinnacle Financial Partners, Inc.810$269.8K0.00%+810New
Dean Investment Associates, LLC817$272.1K0.04%−20,328−96.1%Reduced
Arkadios Wealth Advisors819$272.8K0.00%+819New
ZWJ Investment Counsel Inc825$274.8K0.01%+825New
Commonwealth Equity Services, LLC826$275.1K0.00%+826New
Wiley Bros.-Aintree Capital, LLC835$278.5K0.00%+835New
Harvest Investment Services, LLC880$293.1K0.05%+880New
Gotham Asset Management, LLC908$302.4K0.00%+908New
Vista Finance, LLC958$319.1K0.18%+958New
Global Retirement Partners, LLC964$321.1K0.00%+964New
Investment Advisory Group, LLC1,000$333.0K0.07%+1,000New
GWM Advisors LLC1,005$334.7K0.00%+35+3.6%Added
Empower Advisory Group, LLC1,012$337.0K0.00%+1,012New
Templeton & Phillips Capital Management, LLC1,076$358.4K0.26%−367−25.4%Reduced
Hohimer Wealth Management, LLC1,094$364.3K0.04%+3+0.3%Added
Susquehanna Fundamental Investments, LLC1,100$366.3K0.01%+1,100New
Ameritas Investment Partners, Inc.1,110$369.7K0.01%+241+27.7%Added
Tower Research Capital LLC (TRC)1,186$395.0K0.01%−327−21.6%Reduced
Xponance, Inc.1,193$397.3K0.00%+1,193New
Catalyst Funds Management Pty Ltd1,201$400.0K0.02%+1,201New
Principal Securities, Inc.1,202$400.3K0.00%+1,202New
Great West Life Assurance Co1,216$404.0K0.00%+242+24.8%Added
Toronto Dominion Bank1,228$409.0K0.00%−3,915−76.1%Reduced
Prelude Capital Management, LLC1,251$416.6K0.03%−410−24.7%Reduced
D'Orazio & Associates, Inc.1,251$416.6K0.05%−45−3.5%Reduced
Lighthouse Investment Partners, LLC1,263$420.6K0.01%+1,263New
Pinnacle Wealth Management Advisory Group, LLC1,324$440.9K0.03%−1,352−50.5%Reduced