Arch Capital Group Ltd. 13F holders
Of the 44 funds followed here, 7 reported a position in Arch Capital Group Ltd. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 10.5 million shares worth $1.02 billion, 0.1% of its reported book.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 10,507,722 | $1.02 billion | 0.1% | -78,549 | trimmed | 30 June 2026 | 13F |
| Norges Bank | 4,675,717 | $453.8 million | 0.0% | held | 30 June 2026 | 13F | |
| FMR LLC | 1,582,311 | $153.6 million | 0.0% | -129,180 | trimmed | 30 June 2026 | 13F |
| Two Sigma Investments | 787,208 | $76.4 million | 0.1% | -486,483 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 325,362 | $31.6 million | 0.0% | +208,697 | added | 30 June 2026 | 13F |
| Millennium Management | 311,402 | $30.2 million | 0.0% | -119,234 | trimmed | 30 June 2026 | 13F |
| Bridgewater Associates | 223,860 | $21.7 million | 0.1% | -22,343 | trimmed | 30 June 2026 | 13F |
Value is what the fund reported. Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.
Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 29 April 2026 | 13G | Vanguard Capital Management and 1 other | 26.1 million | 7.3% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 26 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 17 February 2026 | 13G/A | Bamco Inc /Ny/ and 7 others | 18.0 million | 5.0% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder. Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.
Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 25 August 2026 | 1 | $101.14 | SEC |
| 29 July 2026 | 12 | $106.48 | SEC |
| 20 July 2026 | 483 | $101.35 | SEC |
| 16 July 2026 | 20 | $98.54 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period. Largest in the window: 483 on 20 July 2026. A fail is an operational fact about settlement, not a position.
Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to ACGL by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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