As of November 6, 2026, Accelerant Holdings is a publicly traded company (NYSE: ARX); its largest reported holder is ACP Insurance Management, LLC, with 44.2% on Schedule 13G of November 14, 2025, then ONeill Francis James (7%). The largest insider holding is Jeffrey L. Radke, the chief executive and a founder, with 28,175,542 shares, per Form 4 of August 11, 2026 (Schedule 13G, November 14, 2025).
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Is Accelerant Holdings a real, registered company?
- Accelerant Holdings files with the SEC under CIK 1997350 (its SEC filings).
- Its shares are listed under the ticker ARX on NYSE (SEC company record).
- Incorporated in E9; business address in Grand Cayman, E9, 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 Accelerant Holdings in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Glazer Capital, LLC (filed 2026-09-30).
Who are Accelerant Holdings' owners and officers?
Accelerant Holdings: business address in Grand Cayman, E9; industry Insurance Agents, Brokers & Service (Schedule 13G, 2026-09-30).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-09-30 | Glazer Capital, LLC | 5% |
| Schedule 13G/A, 2026-05-14 | Capital World Investors | 4.4% |
| Schedule 13G, 2025-11-14 | Oneill Francis James | 7% |
| Schedule 13G, 2025-11-14 | Lee-Smith Christopher | 17.4% |
| Schedule 13G, 2025-11-14 | Radke Jeffrey L | 29.9% |
| Schedule 13G, 2025-11-14 | Acp Insurance Management, LLC | 44.2% |
| Schedule 13G, 2025-11-13 | Capital World Investors | 5.1% |
Questions about who owns Accelerant Holdings
Who owns Accelerant Holdings?
On this page, 5 holders' latest ownership filings report 5% or more of Accelerant Holdings: Acp Insurance Management, LLC (44.2%, Schedule 13G, filed 2025-11-14), Radke Jeffrey L (29.9%, Schedule 13G, filed 2025-11-14), Lee-Smith Christopher (17.4%, Schedule 13G, filed 2025-11-14), Oneill Francis James (7%, Schedule 13G, filed 2025-11-14) and Glazer Capital, LLC (5%, Schedule 13G, filed 2026-09-30).
Who are the largest shareholders of Accelerant Holdings?
By the share each holder's latest filing reports, the largest holders of Accelerant Holdings on this page are Acp Insurance Management, LLC (44.2%), Radke Jeffrey L (29.9%) and Lee-Smith Christopher (17.4%).
When did Acp Insurance Management, LLC buy into Accelerant Holdings?
The filings give report dates, not purchase dates. The earliest filing from Acp Insurance Management, LLC on this page is the Schedule 13G, filed 2025-11-14, reporting 44.2%.
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%); 7 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 the Full Report on Accelerant Holdings covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
17 cited sources found
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Which insiders own Accelerant Holdings 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.
- , the chief executive and a founder: 28,175,542 shares, 333,652 held directly and 27,841,890 indirectly (Form 4, 2026-08-11).
- , a founder and the head of distrib.: 17,784,023 shares (Form 4, 2026-03-20).
- , a founder and the chief u: 6,535,934 shares, 166,644 held directly and 6,369,290 indirectly (Form 4, 2026-08-12).
- , a director: 1,854,865 shares, 1,341,834 held directly and 513,031 indirectly (Form 4, 2026-08-14).
- , the chief financial officer: 1,175,589 shares (Form 4, 2026-03-24).
Shares only: the company's cover page does not give one share count for a single class, so no percentage is worked out.
How much has Accelerant Holdings raised?
Latest IPO step: Accelerant Holdings filed its final IPO prospectus (424B4, 2025-07-25).
IPO filings: 424B4, 2025-07-25, S-1/A, 2025-07-18, S-1/A, 2025-07-15, S-1, 2025-06-30.
Keep reading
More on Accelerant Holdings and the records around it.
Accelerant Holdings elsewhere on the record
- 5%+ stake filings Sep 2026
- IPO filing Jul 2025
Companies that share a holder
- Glazer Capital, LLC also filed stake reports on 107 other companies: Bumble Inc (Oct 2026), Weave Communications Inc (Oct 2026), Utz Brands Inc (Oct 2026)
- Capital World Investors also filed stake reports on 125 other companies: New Fortress Energy Inc. (Oct 2026), Aura Minerals Inc. (Oct 2026), Skyworks Solutions, Inc. (Oct 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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