Who owns ARCH CAPITAL GROUP LTD.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ACGL from SEC Form 13F filings across 908 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 908 institutions disclosed 312.3M shares of ARCH CAPITAL GROUP LTD. worth $31.49B — about 91% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
908
13F holders
$31.49B
value, 2026 filers
91%
of shares outstanding (312.3M sh)
122
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ACGL's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 30.2M | $2.93B | 0.0% | 8.8% | -3.6% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 22.2M | $2.16B | 0.0% | 6.5% | -1.7% |
| 3 | Artisan Partners Limited Partnership | 21.6M | $2.10B | 3.3% | 6.3% | -4.7% |
| 4 | STATE STREET CORP | 16.3M | $1.58B | 0.0% | 4.7% | 0.0% |
| 5 | BAMCO INC /NY/ | 15.9M | $1.54B | 2.3% | 4.6% | -5.0% |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 14.5M | $1.41B | 0.1% | 4.2% | -1.3% |
| 7 | WCM INVESTMENT MANAGEMENT, LLC | 12.0M | $1.17B | 2.1% | 3.5% | -5.0% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 10.5M | $1.02B | 0.1% | 3.1% | -0.7% |
| 9 | JPMORGAN CHASE & CO | 7.0M | $685.6M | 0.0% | 2% | +3.1% |
| 10 | Invesco Ltd. | 4.9M | $480.2M | 0.0% | 1.4% | +21.9% |
| 11 | NORGES BANKNEW | 4.7M | $453.8M | 0.0% | 1.4% | new |
| 12 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 4.5M | $436.2M | 0.2% | 1.3% | +135.3% |
| 13 | MORGAN STANLEY | 4.4M | $423.1M | 0.0% | 1.3% | +2.3% |
| 14 | NORTHERN TRUST CORP | 4.3M | $415.6M | 0.0% | 1.2% | -4.3% |
| 15 | DIMENSIONAL FUND ADVISORS LP | 4.2M | $409.5M | 0.1% | 1.2% | +1.1% |
| 16 | Allspring Global Investments Holdings, LLC | 4.1M | $408.0M | 0.6% | 1.2% | +14.0% |
| 17 | Madison Asset Management, LLC | 3.8M | $368.8M | 4.4% | 1.1% | -6.8% |
| 18 | ROYAL BANK OF CANADA | 3.5M | $339.3M | 0.1% | 1% | -1.0% |
| 19 | MARSHFIELD ASSOCIATES | 3.3M | $323.3M | 7.6% | 1% | +9.2% |
| 20 | Legal & General Group Plc | 3.1M | $302.8M | 0.1% | 0.9% | -5.1% |
| 21 | GOLDMAN SACHS GROUP INC | 3.0M | $292.7M | 0.0% | 0.9% | +5.4% |
| 22 | Polar Capital Holdings Plc | 3.0M | $289.2M | 0.7% | 0.9% | -9.7% |
| 23 | PRINCIPAL FINANCIAL GROUP INC | 2.9M | $278.4M | 0.1% | 0.8% | -12.4% |
| 24 | High Ground Investment Management LLP | 2.6M | $253.6M | 22.3% | 0.8% | +45.6% |
| 25 | NATIXIS ADVISORS, LLC | 2.5M | $238.0M | 0.3% | 0.7% | +5.2% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.