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ARCH CAP GROUP LTD (ACGL)
Institutional ownership, SEC filings and insider activity
Sector: Financials · SEC CIK 0000947484 · EDGAR filings · Updated 2026-07-28
ARCH CAP GROUP LTD (ACGL) has 907 institutional managers reporting positions valued at $30.4B per the latest 13F reporting period.
Filings this week (1)
- 2026-07-28 — Current report (8-K) filed
Every filing links to the official SEC document. Real-time filing alerts for this company are available inside the app.
Latest updates
- 2026-07-20 — Notice of proposed sale filed (Form 144)
- 2026-07-02 — Notice of proposed sale filed (Form 144)
- 2026-06-26 — Notice of proposed sale filed (Form 144)
- 2026-06-16 — Current report (8-K) filed
- 2026-06-15 — Insider transaction reported (Form 4)
- 2026-06-09 — Current report (8-K) filed
- 2026-06-04 — Insider transaction reported (Form 4)
- 2026-06-04 — Prospectus supplement (424B2) filed
Institutional ownership overview
According to SEC 13F filings tracked by Sightfile, ARCH CAP GROUP LTD has 907 institutional holders.
| # | Institution | Reported value | % of tracked total |
|---|---|---|---|
| 1 | BlackRock, Inc. | $3.01B | 9.9% |
| 2 | Artisan Partners Limited Partnership | $2.18B | 7.1% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $2.17B | 7.1% |
| 4 | BAMCO INC /NY/ | $1.60B | 5.3% |
| 5 | STATE STREET CORP | $1.56B | 5.1% |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.41B | 4.6% |
| 7 | WCM INVESTMENT MANAGEMENT, LLC | $1.21B | 4.0% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $1.01B | 3.3% |
| 9 | JPMORGAN CHASE & CO | $648.5M | 2.1% |
| 10 | NORTHERN TRUST CORP | $429.3M | 1.4% |
Full holder history and quarter-over-quarter changes are available inside the app.
Insider activity
Insiders reported 73 transactions (1 buys, 14 sells) across 17 reporting insiders, with a net reported value of −$41.7M.
Quarterly net insider value, as reported in Form 4 filings.
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See full history, cross-references and alerts on SightfileData sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-28.