Arch Capital GroupACGL
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 918 institutions reported holding Arch Capital Group Ltd. (ACGL) in their 13F filings, down 5 from Q4 2025. 94 opened new positions and 102 sold out. The largest holders were BlackRock, Inc. ($3.0B), Artisan Partners Limited Partnership ($2.2B) and Vanguard Capital Management LLC ($2.2B). 9 famous investors held it, including Ron Baron (4.8% of Baron Capital (BAMCO)'s portfolio), Cliff Asness (0.1% of AQR Capital Management's portfolio) and Ray Dalio (0.1% of Bridgewater Associates's portfolio).
- Company
- Arch Capital Group Ltd.
- Sector
- Finance
- CUSIP
- G0450A105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 94 | $399.6M |
| Exits | 102 | $142.1M |
All 13F filers, Q4 2025 → Q1 2026: 16,452,052 shares bought and 17,342,278 shares sold, net −890,226 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 918 holders
| BlackRock, Inc. | 0.05% | Reduce -1.2% | 31,354,204 | $3.0B |
| Artisan Partners Limited Partnership | 3.55% | Reduce -2.5% | 22,666,011 | $2.2B |
| Vanguard Capital Management LLC | 0.05% | — | 22,612,609 | $2.2B |
| Baron Capital (BAMCO) | 4.84% | Reduce -7.1% | 16,709,759 | $1.6B |
| State Street Corp. | 0.05% | Reduce -1.2% | 16,250,722 | $1.6B |
| Vanguard Portfolio Management LLC | 0.07% | — | 14,712,819 | $1.4B |
| WCM Investment Management, LLC | 2.75% | Reduce -5.1% | 12,602,412 | $1.2B |
| Geode Capital Management, LLC | 0.06% | Add +1.1% | 10,586,271 | $1.0B |
| JPMorgan Chase & Co. | 0.04% | Add +0.6% | 6,781,647 | $648.5M |
| Northern Trust Corp. | 0.06% | Reduce -3.5% | 4,472,652 | $429.3M |
| Morgan Stanley | 0.02% | Reduce -0.7% | 4,260,419 | $409.0M |
| Dimensional Fund Advisors LP | 0.08% | Add +2.9% | 4,173,885 | $400.6M |
| Madison Asset Management, LLC | 4.85% | Reduce -5.9% | 4,076,446 | $391.3M |
| Invesco Ltd. | 0.04% | Add +5.1% | 4,059,380 | $389.7M |
| Allspring Global Investments Holdings, LLC | 0.58% | Reduce -0.9% | 3,631,694 | $346.8M |
| Royal Bank of Canada | 0.06% | Add +4.7% | 3,532,044 | $339.0M |
| Polar Capital Holdings Plc | 1.38% | Reduce -0.9% | 3,300,000 | $316.8M |
| Legal & General Group Plc | 0.07% | Add +11.7% | 3,287,725 | $315.6M |
| Principal Financial Group Inc. | 0.17% | Reduce -27.7% | 3,274,219 | $314.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.06% | Add +1.3% | 3,179,752 | $305.2M |
| Marshfield Associates | 5.87% | Add +5.7% | 3,051,421 | $292.9M |
| Goldman Sachs Group Inc. | 0.04% | Reduce -3.1% | 2,859,967 | $274.5M |
| AQR Capital Management | 0.12% | Add +2.3% | 2,731,571 | $260.7M |
| First Trust Advisors LP | 0.18% | Add +319.5% | 2,626,148 | $252.1M |
| Natixis Advisors, LLC | 0.31% | Add +8.6% | 2,331,537 | $223.8M |
| Cooke & Bieler LP | 2.43% | Reduce -15.1% | 2,238,242 | $214.8M |
| Envestnet Asset Management Inc. | 0.06% | Add +6.2% | 2,221,926 | $213.3M |
| Charles Schwab Investment Management Inc. | 0.03% | Add +5.0% | 2,149,791 | $206.4M |
| Boston Partners | 0.21% | New | 2,092,817 | $200.9M |
| Jones Financial Companies LLLP | 0.09% | Add +22038.8% | 2,114,031 | $197.5M |
| Deutsche Bank AG | 0.06% | Reduce -7.1% | 2,018,544 | $193.8M |
| Vanguard Fiduciary Trust Co. | 0.05% | — | 1,995,615 | $191.6M |
| Amundi | 0.05% | Reduce -0.7% | 1,959,309 | $188.1M |
| UBS Group AG | 0.03% | Add +20.2% | 1,926,310 | $184.9M |
| Arrowstreet Capital, Limited Partnership | 0.10% | Add +50.6% | 1,910,063 | $183.3M |
| Swedbank AB | 0.19% | Reduce -1.6% | 1,884,603 | $180.9M |
| Nuveen, LLC | 0.05% | Reduce -26.0% | 1,849,017 | $177.5M |
| High Ground Investment Management LLP | 31.97% | Reduce -1.0% | 1,793,857 | $172.2M |
| Brandes Investment Partners, LP | 1.20% | Add +3.6% | 1,772,372 | $170.1M |
| Robeco Institutional Asset Management B.V. | 0.24% | Add +14.5% | 1,771,944 | $170.1M |
| Bank of America Corp. | 0.01% | Add +0.2% | 1,741,934 | $167.2M |
| Bank of New York Mellon Corp | 0.03% | Reduce -2.2% | 1,723,477 | $165.4M |
| FMR LLC | 0.01% | Add +5.5% | 1,711,491 | $164.3M |
| GQG Partners LLC | 0.25% | Reduce -2.8% | 1,646,026 | $158.0M |
| Sei Investments Co. | 0.14% | Reduce -6.5% | 1,620,619 | $155.6M |
| Fiduciary Management Inc. | 1.74% | Add +31.4% | 1,461,096 | $140.3M |
| Barclays PLC | 0.05% | Add +4.1% | 1,362,781 | $130.8M |
| Capital International Investors | 0.03% | Reduce -29.5% | 1,351,962 | $129.8M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.15% | Reduce -0.6% | 1,333,320 | $128.0M |
| Thrivent Financial for Lutherans | 0.25% | Reduce -17.8% | 1,314,694 | $126.2M |
| HSBC Holdings PLC | 0.07% | Add +230.0% | 1,286,178 | $123.4M |
| Two Sigma Investments, LP | 0.11% | Reduce -27.7% | 1,273,691 | $122.3M |
| Champlain Investment Partners, LLC | 1.54% | Reduce -4.8% | 1,262,285 | $121.2M |
| Wells Fargo & Company | 0.02% | Reduce -2.4% | 1,190,170 | $114.2M |
| Maren Capital LLC | 5.92% | Add +3.8% | 1,178,870 | $113.2M |
| Brown Advisory Inc. | 0.18% | Reduce -1.7% | 1,162,478 | $111.6M |
| Egerton Capital (UK) LLP | 1.19% | New | 1,116,922 | $107.2M |
| Wellington Management Group LLP | 0.02% | Add +11.6% | 1,110,101 | $106.6M |
| Swiss National Bank | 0.06% | Add +4.2% | 1,064,200 | $102.2M |
| Franklin Resources Inc. | 0.03% | Add +24.4% | 1,061,428 | $101.9M |
| Assetmark, Inc. | 0.20% | Add +5.0% | 1,036,532 | $99.5M |
| Sumitomo Mitsui Trust Group, Inc. | 0.06% | Reduce -7.4% | 957,646 | $91.9M |
| American Century Companies Inc. | 0.05% | Add +23.5% | 939,426 | $90.2M |
| Lord, Abbett & Co. LLC | 0.31% | Reduce -12.5% | 928,249 | $89.1M |
| Stifel Financial Corp. | 0.08% | Reduce -3.7% | 886,107 | $85.1M |
| California Public Employees Retirement System | 0.05% | Reduce -25.6% | 834,282 | $80.1M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.05% | Add +4.8% | 816,429 | $78.4M |
| Ameriprise Financial Inc. | 0.02% | Reduce -26.5% | 801,895 | $77.0M |
| Vanguard Global Advisers, LLC | 0.04% | — | 788,376 | $75.7M |
| BNP Paribas Financial Markets | 0.05% | Add +0.3% | 782,992 | $75.2M |
| Clark Capital Management Group, Inc. | 0.42% | Reduce -5.8% | 715,487 | $68.7M |
| National Pension Service | 0.05% | Add +1.7% | 694,582 | $66.7M |
| New York State Common Retirement Fund | 0.09% | Reduce -0.5% | 668,448 | $64.2M |
| Davis Asset Management, L.P. | 1.81% | Add +18.2% | 650,000 | $62.4M |
| Rhumbline Advisers | 0.05% | Reduce -2.7% | 640,699 | $61.5M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.05% | — | 612,981 | $58.8M |
| Canada Pension Plan Investment Board | 0.04% | Add +3.4% | 610,967 | $58.6M |
| Qube Research & Technologies Ltd | 0.08% | Reduce -15.1% | 561,945 | $53.9M |
| Bank of Montreal | 0.02% | Reduce -6.7% | 555,385 | $53.3M |
| General American Investors Co. Inc. | 3.36% | Reduce -11.6% | 530,200 | $50.9M |
| Raymond James Financial Inc. | 0.02% | Add +17.8% | 530,087 | $50.9M |
| T. Rowe Price Associates Inc. | 0.01% | Reduce -2.0% | 513,948 | $49.3M |
| Port Capital LLC | 2.17% | Reduce -11.2% | 508,652 | $48.8M |
| Russell Investments Group, Ltd. | 0.05% | Add +1.7% | 496,560 | $47.6M |
| SG Americas Securities, LLC | 0.05% | Add +70.2% | 485,292 | $46.6M |
| Gladstone Capital Management LLP | 4.65% | Reduce -35.8% | 482,222 | $46.3M |
| California State Teachers Retirement System | 0.05% | Reduce -5.1% | 473,333 | $45.4M |
| Anchor Capital Advisors LLC | 1.21% | Add +0.7% | 443,104 | $42.5M |
| Citigroup Inc. | 0.03% | Add +14.8% | 438,380 | $42.1M |
| Man Group plc | 0.09% | Reduce -25.2% | 432,239 | $41.5M |
| Alliancebernstein L.P. | 0.01% | Reduce -12.7% | 431,461 | $41.4M |
| Millennium Management | 0.03% | Reduce -39.5% | 430,636 | $41.3M |
| Manufacturers Life Insurance Company, The | 0.04% | Reduce -25.6% | 427,278 | $41.0M |
| Storebrand Asset Management As | 0.12% | Add +47.8% | 426,292 | $40.9M |
| Smith Group Asset Management, LLC | 2.02% | Add +7.7% | 412,379 | $39.6M |
| Federated Hermes, Inc. | 0.06% | Reduce -27.0% | 411,917 | $39.5M |
| Commerce Bank | 0.18% | Add +4.9% | 391,601 | $37.6M |
| Treasurer of the State of North Carolina | 0.11% | Add +6.5% | 367,157 | $35.2M |
| Confluence Investment Management LLC | 0.54% | Add +1.2% | 364,086 | $34.9M |
| Allianz Asset Management GmbH | 0.04% | Add +50.3% | 346,889 | $33.3M |
"% of holder's portfolio" is ACGL's weight in each manager's 13F, not the share of Arch Capital Group Ltd. the manager owns.