As of November 6, 2026, Littelfuse Inc is a publicly traded company (Nasdaq: LFUS); its largest reported holder is Vanguard, with 6.24% on Schedule 13G of April 29, 2026, then Vanguard (5.23%). The largest insider holding is Anthony Grillo, a director, with 64,989 shares (0.26% of shares outstanding), per Form 4 of September 8, 2026 (Schedule 13G, April 29, 2026).
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Is Littelfuse Inc a real, registered company?
- Littelfuse Inc files with the SEC under CIK 889331 (its SEC filings).
- Its shares are listed under the ticker LFUS on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Rosemont, Illinois, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Littelfuse Inc in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Todd Kelsey (Form 8-K filed 2026-08-11). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Vanguard (filed 2026-04-30).
Who are Littelfuse Inc's owners and officers?
Littelfuse Inc: incorporated in Delaware; business address in Rosemont, Illinois; industry Switchgear & Switchboard Apparatus (Form D, 2026-08-11).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-04-30 | Vanguard Capital Management | 5.23% |
| Schedule 13G, 2026-04-29 | Vanguard Portfolio Management | 6.24% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2025-10-31 | The Vanguard Group | 11.8% |
Questions about who owns Littelfuse Inc
Who owns Littelfuse Inc?
On this page, 2 holders' latest ownership filings report 5% or more of Littelfuse Inc: Vanguard Portfolio Management (6.24%, Schedule 13G, filed 2026-04-29) and Vanguard Capital Management (5.23%, Schedule 13G, filed 2026-04-30).
Who are the largest shareholders of Littelfuse Inc?
By the share each holder's latest filing reports, the largest holders of Littelfuse Inc on this page are Vanguard Portfolio Management (6.24%) and Vanguard Capital Management (5.23%).
When did Vanguard Portfolio Management buy into Littelfuse Inc?
The filings give report dates, not purchase dates. The earliest filing from Vanguard Portfolio Management on this page is the Schedule 13G, filed 2026-04-29, reporting 6.24%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 4 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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What They Do, And How The Money Works
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The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
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Sources
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-08-11 | Todd Kelsey | appointed | 2026-08-06 |
Which insiders own Littelfuse Inc shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , a director: 64,989 shares (0.26% of shares outstanding) (Form 4, 2026-09-08).
- , the executive vice president and chief legal officer: 27,130 shares (0.11% of shares outstanding) (Form 4, 2026-04-28).
- , a director: 26,691 shares (0.11% of shares outstanding) (Form 4, 2026-09-08).
- , a director: 24,687 shares (0.10% of shares outstanding), 22,187 held directly and 2,500 indirectly (Form 4, 2026-09-08).
- , the chief financial officer and executive vice president: 24,117 shares (0.09% of shares outstanding) (Form 4, 2025-05-14).
Shares outstanding: 25,403,547 as of 2026-10-23, from the company's latest SEC cover page.
How much has Littelfuse Inc raised?
No fundraising or offering filing from Littelfuse Inc is on file with us.
Keep reading
More on Littelfuse Inc and the records around it.
Littelfuse Inc elsewhere on the record
- Leadership changes Sep 2026
Companies that share a holder
- Vanguard Portfolio Management also filed stake reports on 941 other companies: Newmark Group Inc (Nov 2026), A10 Networks Inc (Oct 2026), ADT Inc (Oct 2026)
- Vanguard Capital Management also filed stake reports on 1495 other companies: A10 Networks Inc (Oct 2026), Altisource Portfolio Solutions SA (Oct 2026), Alto Neuroscience Inc (Oct 2026)
- The Vanguard Group also filed stake reports on 2384 other companies: BellRing Brands, Inc. (Sep 2026), CAL-MAINE FOODS INC (Sep 2026), FTAI Aviation Ltd. (Sep 2026)
Related pages
Filings, cases and notices link to their records. A not-found line names the records searched; it is not proof of absence.
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