Arch Capital Group Ltd.
ACGL- Exchange
- Nasdaq
- Industry
- Fire, Marine & Casualty Insurance
- SEC CIK
- 0000947484
In the last 90 days, Arch Capital Group Ltd. insiders filed 0 open-market purchases and 1 sale; 912 institutions reported holding it in 13F filings for Q2 2026, worth $30.3B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Arch Capital Group Ltd. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 918
- +11 vs. Q4 2025
- Shares held
- 318.0M
- +39.6M (+14.2%) vs. Q4 2025
- Total value
- $30.5B
- +$3.78B (+14.2%) vs. Q4 2025
- New holders
- 115
- 325 more added
- Sold out
- 104
- 354 more reduced
16 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ACGL on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 912 | $30.3B |
| Q1 2026 | 918 | $30.5B |
| Q4 2025 | 923 | $31.2B |
| Q3 2025 | 846 | $29.6B |
| Q2 2025 | 855 | $30.6B |
| Q1 2025 | 852 | $32.1B |
| Q4 2024 | 845 | $31.5B |
| Q3 2024 | 852 | $37.2B |
| Q2 2024 | 806 | $33.4B |
| Q1 2024 | 802 | $30.4B |
| Q4 2023 | 766 | $24.4B |
| Q3 2023 | 688 | $26.7B |
| Q2 2023 | 670 | $24.7B |
| Q1 2023 | 624 | $22.7B |
| Q4 2022 | 579 | $21.0B |
| Q3 2022 | 487 | $14.8B |
| Q2 2022 | 503 | $14.8B |
| Q1 2022 | 508 | $16.0B |
| Q4 2021 | 461 | $14.9B |
| Q3 2021 | 424 | $13.3B |
| Q2 2021 | 404 | $13.9B |
| Q1 2021 | 422 | $13.8B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Arch Capital Group Ltd.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Public Sector Pension Investment Board | 260,678 | $25.0M | 0.08% | +168,764+183.6% | Added |
| Arbejdsmarkedets Tillaegspension | 270,690 | $26.0M | 0.65% | +17,655+7.0% | Added |
| Bank of Nova Scotia | 271,124 | $26.0M | 0.05% | +30,117+12.5% | Added |
| STRS Ohio | 278,423 | $26.7M | 0.11% | −1210.0% | Reduced |
| Standard Life Aberdeen plc | 284,873 | $27.3M | 0.04% | +7,084+2.6% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 287,000 | $27.5M | 0.15% | +102,550+55.6% | Added |
| Philo Smith Capital Corp | 287,570 | $27.6M | 7.87% | 00.0% | Unchanged |
| Mediolanum International Funds Ltd | 288,699 | $27.6M | 0.29% | +219,357+316.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 288,585 | $27.7M | 0.06% | +19,666+7.3% | Added |
| Danske Bank A/S | 299,348 | $28.7M | 0.07% | −11,700−3.8% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 301,625 | $28.9M | 0.05% | +9,555+3.3% | Added |
| PFA Pension, Forsikringsaktieselskab | 302,175 | $29.0M | 0.09% | +19,695+7.0% | Added |
| KBC Group NV | 304,432 | $29.2M | 0.07% | −12,575−4.0% | Reduced |
| State Board of Administration of Florida Retirement System | 313,366 | $30.1M | 0.06% | 00.0% | Unchanged |
| Korea Investment CORP | 319,961 | $30.7M | 0.06% | −37,763−10.6% | Reduced |
| Aviva PLC | 323,098 | $31.0M | 0.05% | +3,835+1.2% | Added |
| New York State Teachers Retirement System | 328,426 | $31.5M | 0.06% | +1,484+0.5% | Added |
| Clearbridge Investments, LLC | 345,037 | $33.1M | 0.03% | −49,344−12.5% | Reduced |
| Allianz Asset Management GmbH | 346,889 | $33.3M | 0.04% | +116,111+50.3% | Added |
| Confluence Investment Management LLC | 364,086 | $34.9M | 0.54% | +4,353+1.2% | Added |
| Treasurer of the State of North Carolina | 367,157 | $35.2M | 0.11% | +22,380+6.5% | Added |
| Commerce Bank | 391,601 | $37.6M | 0.18% | +18,267+4.9% | Added |
| Federated Hermes, Inc. | 411,917 | $39.5M | 0.06% | −152,225−27.0% | Reduced |
| Smith Group Asset Management, LLC | 412,379 | $39.6M | 2.02% | +29,591+7.7% | Added |
| Storebrand Asset Management AS | 426,292 | $40.9M | 0.12% | +137,894+47.8% | Added |
| Manufacturers Life Insurance Company, The | 427,278 | $41.0M | 0.04% | −147,029−25.6% | Reduced |
| Millennium Management LLC | 430,636 | $41.3M | 0.03% | −281,601−39.5% | Reduced |
| Alliancebernstein L.P. | 431,461 | $41.4M | 0.01% | −62,607−12.7% | Reduced |
| Man Group plc | 432,239 | $41.5M | 0.09% | −145,445−25.2% | Reduced |
| Citigroup Inc | 438,380 | $42.1M | 0.03% | +56,498+14.8% | Added |
| Anchor Capital Advisors LLC | 443,104 | $42.5M | 1.21% | +3,005+0.7% | Added |
| California State Teachers Retirement System | 473,333 | $45.4M | 0.05% | −25,317−5.1% | Reduced |
| Gladstone Capital Management LLP | 482,222 | $46.3M | 4.65% | −268,311−35.7% | Reduced |
| SG Americas Securities, LLC | 485,292 | $46.6M | 0.05% | +200,082+70.2% | Added |
| Russell Investments Group, Ltd. | 496,560 | $47.6M | 0.05% | +8,310+1.7% | Added |
| Port Capital LLC | 508,652 | $48.8M | 2.17% | −64,140−11.2% | Reduced |
| Price T Rowe Associates Inc | 513,948 | $49.3M | 0.01% | −10,306−2.0% | Reduced |
| Raymond James Financial Inc | 530,087 | $50.9M | 0.02% | +79,889+17.7% | Added |
| General American Investors Co Inc | 530,200 | $50.9M | 3.36% | −69,800−11.6% | Reduced |
| Bank of Montreal | 555,385 | $53.3M | 0.02% | −39,932−6.7% | Reduced |
| Qube Research & Technologies Ltd | 561,945 | $53.9M | 0.08% | −99,803−15.1% | Reduced |
| Canada Pension Plan Investment Board | 610,967 | $58.6M | 0.04% | +19,944+3.4% | Added |
| Vanguard Asset Management, Ltd | 612,981 | $58.8M | 0.05% | +612,981 | New |
| Rhumbline Advisers | 640,699 | $61.5M | 0.05% | −17,872−2.7% | Reduced |
| Davis Asset Management, L.P. | 650,000 | $62.4M | 1.81% | +100,000+18.2% | Added |
| New York State Common Retirement Fund | 668,448 | $64.2M | 0.09% | −3,000−0.4% | Reduced |
| National Pension Service | 694,582 | $66.7M | 0.05% | +11,310+1.7% | Added |
| Clark Capital Management Group, Inc. | 715,487 | $68.7M | 0.42% | −44,470−5.9% | Reduced |
| BNP Paribas Arbitrage, SA | 782,992 | $75.2M | 0.05% | +1,968+0.3% | Added |
| Vanguard Global Advisers, LLC | 788,376 | $75.7M | 0.04% | +788,376 | New |
| Ameriprise Financial Inc | 801,895 | $77.0M | 0.02% | −289,497−26.5% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 816,429 | $78.4M | 0.05% | +37,800+4.9% | Added |
| California Public Employees Retirement System | 834,282 | $80.1M | 0.05% | −286,839−25.6% | Reduced |
| Stifel Financial Corp | 886,107 | $85.1M | 0.08% | −33,996−3.7% | Reduced |
| Lord, Abbett & Co. LLC | 928,249 | $89.1M | 0.29% | −132,587−12.5% | Reduced |
| American Century Companies Inc | 939,426 | $90.2M | 0.05% | +178,848+23.5% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 957,646 | $91.9M | 0.06% | −76,188−7.4% | Reduced |
| Assetmark, Inc | 1,036,532 | $99.5M | 0.20% | +49,262+5.0% | Added |
| Franklin Resources Inc | 1,061,428 | $101.9M | 0.02% | +208,261+24.4% | Added |
| Swiss National Bank | 1,064,200 | $102.2M | 0.06% | +42,800+4.2% | Added |
| Wellington Management Group LLP | 1,110,101 | $106.6M | 0.02% | +115,573+11.6% | Added |
| Egerton Capital (UK) LLP | 1,116,922 | $107.2M | 1.19% | +1,116,922 | New |
| Brown Advisory Inc | 1,162,478 | $111.6M | 0.18% | −20,480−1.7% | Reduced |
| Maren Capital LLC | 1,178,870 | $113.2M | 5.92% | +43,276+3.8% | Added |
| Wells Fargo & Company | 1,190,170 | $114.2M | 0.02% | −29,552−2.4% | Reduced |
| Champlain Investment Partners, LLC | 1,262,285 | $121.2M | 1.54% | −63,979−4.8% | Reduced |
| Two Sigma Investments, LP | 1,273,691 | $122.3M | 0.10% | −488,884−27.7% | Reduced |
| HSBC Holdings PLC | 1,286,178 | $123.4M | 0.07% | +896,480+230.0% | Added |
| Thrivent Financial for Lutherans | 1,314,694 | $126.2M | 0.24% | −284,706−17.8% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,333,320 | $128.0M | 0.15% | −8,066−0.6% | Reduced |
| Capital International Investors | 1,351,962 | $129.8M | 0.03% | −565,905−29.5% | Reduced |
| Barclays PLC | 1,362,781 | $130.8M | 0.05% | +53,181+4.1% | Added |
| Fiduciary Management Inc | 1,461,096 | $140.3M | 1.74% | +348,893+31.4% | Added |
| SEI Investments Co | 1,620,619 | $155.6M | 0.14% | −111,860−6.5% | Reduced |
| GQG Partners LLC | 1,646,026 | $158.0M | 0.25% | −47,603−2.8% | Reduced |
| FMR LLC | 1,711,491 | $164.3M | 0.01% | +89,358+5.5% | Added |
| Bank of New York Mellon Corp | 1,723,477 | $165.4M | 0.03% | −39,248−2.2% | Reduced |
| Bank of America Corp | 1,741,934 | $167.2M | 0.01% | +3,132+0.2% | Added |
| Robeco Institutional Asset Management B.V. | 1,771,944 | $170.1M | 0.24% | +223,902+14.5% | Added |
| Brandes Investment Partners, LP | 1,772,372 | $170.1M | 1.20% | +61,807+3.6% | Added |
| High Ground Investment Management LLP | 1,793,857 | $172.2M | 31.97% | −18,215−1.0% | Reduced |
| Nuveen, LLC | 1,849,017 | $177.5M | 0.05% | −648,971−26.0% | Reduced |
| Swedbank AB | 1,884,603 | $180.9M | 0.19% | −30,987−1.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,910,063 | $183.3M | 0.10% | +641,462+50.6% | Added |
| UBS Group AG | 1,926,310 | $184.9M | 0.03% | +323,898+20.2% | Added |
| Amundi | 1,959,309 | $188.1M | 0.05% | −13,233−0.7% | Reduced |
| Vanguard Fiduciary Trust Co | 1,995,615 | $191.6M | 0.05% | +1,995,615 | New |
| Deutsche Bank AG | 2,018,544 | $193.8M | 0.06% | −155,305−7.1% | Reduced |
| Jones Financial Companies LLLP | 2,114,031 | $197.5M | 0.09% | +2,104,482+22,038.8% | Added |
| Boston Partners | 2,092,817 | $200.9M | 0.21% | +2,092,817 | New |
| Charles Schwab Investment Management Inc | 2,149,791 | $206.4M | 0.03% | +103,232+5.0% | Added |
| Envestnet Asset Management Inc | 2,221,926 | $213.3M | 0.06% | +130,139+6.2% | Added |
| Cooke & Bieler LP | 2,238,242 | $214.8M | 2.43% | −396,951−15.1% | Reduced |
| Natixis Advisors, L.P. | 2,331,537 | $223.8M | 0.31% | +185,450+8.6% | Added |
| First Trust Advisors LP | 2,626,148 | $252.1M | 0.18% | +2,000,162+319.5% | Added |
| AQR Capital Management LLC | 2,731,571 | $260.7M | 0.12% | +60,943+2.3% | Added |
| Goldman Sachs Group Inc | 2,859,967 | $274.5M | 0.04% | −90,355−3.1% | Reduced |
| Marshfield Associates | 3,051,421 | $292.9M | 5.87% | +164,419+5.7% | Added |
| UBS Asset Management Americas Inc | 3,179,752 | $305.2M | 0.06% | +39,162+1.2% | Added |
| Principal Financial Group Inc | 3,274,219 | $314.3M | 0.17% | −1,253,941−27.7% | Reduced |