As of November 6, 2026, Arch Capital Group Ltd is a publicly traded company (Nasdaq: ACGL); its largest reported holder is Vanguard, with 7.33% on Schedule 13G of April 29, 2026. No bankruptcy or receivership appears in its SEC Form 8-K filings (Schedule 13G, April 29, 2026).
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Is Arch Capital Group Ltd a real, registered company?
- Arch Capital Group Ltd files with the SEC under CIK 947484 (its SEC filings).
- Its shares are listed under the ticker ACGL on Nasdaq (also ACGLN, ACGLO) (SEC company record).
- business address in Pembroke, D0, 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 Arch Capital Group Ltd in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Moira Kilcoyne, Director (Form 8-K filed 2026-10-29). 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 2026-04-29).
Who are Arch Capital Group Ltd's owners and officers?
Arch Capital Group Ltd: business address in Pembroke, D0; industry Fire, Marine & Casualty Insurance (Form D, 2026-10-29).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-04-29 | Vanguard Capital Management | 7.33% |
| Schedule 13G/A, 2026-03-26 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-02-17 | Baron Capital Group, Inc. | 4.96% |
Questions about who owns Arch Capital Group Ltd
Who owns Arch Capital Group Ltd?
On this page, one holder's latest ownership filing reports 5% or more of Arch Capital Group Ltd: Vanguard Capital Management (7.33%, Schedule 13G, filed 2026-04-29).
When did Vanguard Capital Management buy into Arch Capital Group Ltd?
The filings give report dates, not purchase dates. The earliest filing from Vanguard Capital Management on this page is the Schedule 13G, filed 2026-04-29, reporting 7.33%.
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%); 3 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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Which Company This Is
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
Warning Bells
Sources
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-10-29 | Moira Kilcoyne | Director | departed |
How much has Arch Capital Group Ltd raised?
No fundraising or offering filing from Arch Capital Group Ltd is on file with us.
Keep reading
More on Arch Capital Group Ltd and the records around it.
Arch Capital Group Ltd elsewhere on the record
- Leadership changes Jun 2026
Companies that share a holder
- BAMCO INC /NY/ also filed stake reports on 22 other companies: Birkenstock Holding plc (Aug 2026), Blackstone Digital Infrastructure Trust Inc. (Aug 2026), CAREDX, INC. (Aug 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)
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