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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 31,354,204 | $3.01B | 0.05% | −381,112−1.2% | Reduced |
| Artisan Partners Limited Partnership | 22,666,011 | $2.18B | 3.55% | −581,689−2.5% | Reduced |
| Vanguard Capital Management LLC | 22,612,609 | $2.17B | 0.05% | +22,612,609 | New |
| Bamco Inc | 16,709,759 | $1.60B | 4.84% | −1,277,746−7.1% | Reduced |
| State Street Corp | 16,250,722 | $1.56B | 0.05% | −200,364−1.2% | Reduced |
| Vanguard Portfolio Management LLC | 14,712,819 | $1.41B | 0.07% | +14,712,819 | New |
| WCM Investment Management, LLC | 12,602,412 | $1.21B | 2.75% | −681,503−5.1% | Reduced |
| Geode Capital Management, LLC | 10,586,271 | $1.01B | 0.06% | +119,721+1.1% | Added |
| JPMorgan Chase & Co | 6,781,647 | $648.5M | 0.04% | +40,251+0.6% | Added |
| Northern Trust Corp | 4,472,652 | $429.3M | 0.06% | −161,671−3.5% | Reduced |
| Morgan Stanley | 4,260,419 | $409.0M | 0.02% | −28,663−0.7% | Reduced |
| Dimensional Fund Advisors LP | 4,173,885 | $400.6M | 0.08% | +117,929+2.9% | Added |
| Madison Asset Management, LLC | 4,076,446 | $391.3M | 4.85% | −255,985−5.9% | Reduced |
| Invesco Ltd. | 4,059,380 | $389.7M | 0.04% | +197,907+5.1% | Added |
| Allspring Global Investments Holdings, LLC | 3,631,694 | $346.8M | 0.58% | −34,275−0.9% | Reduced |
| Royal Bank of Canada | 3,532,044 | $339.0M | 0.06% | +158,381+4.7% | Added |
| Polar Capital Holdings Plc | 3,300,000 | $316.8M | 1.38% | −30,000−0.9% | Reduced |
| Legal & General Group Plc | 3,287,725 | $315.6M | 0.07% | +343,556+11.7% | Added |
| Principal Financial Group Inc | 3,274,219 | $314.3M | 0.17% | −1,253,941−27.7% | Reduced |
| UBS Asset Management Americas Inc | 3,179,752 | $305.2M | 0.06% | +39,162+1.2% | Added |
| Marshfield Associates | 3,051,421 | $292.9M | 5.87% | +164,419+5.7% | Added |
| Goldman Sachs Group Inc | 2,859,967 | $274.5M | 0.04% | −90,355−3.1% | Reduced |
| AQR Capital Management LLC | 2,731,571 | $260.7M | 0.12% | +60,943+2.3% | Added |
| First Trust Advisors LP | 2,626,148 | $252.1M | 0.18% | +2,000,162+319.5% | Added |
| Natixis Advisors, L.P. | 2,331,537 | $223.8M | 0.31% | +185,450+8.6% | Added |
| Cooke & Bieler LP | 2,238,242 | $214.8M | 2.43% | −396,951−15.1% | Reduced |
| Envestnet Asset Management Inc | 2,221,926 | $213.3M | 0.06% | +130,139+6.2% | Added |
| Charles Schwab Investment Management Inc | 2,149,791 | $206.4M | 0.03% | +103,232+5.0% | Added |
| Boston Partners | 2,092,817 | $200.9M | 0.21% | +2,092,817 | New |
| Jones Financial Companies LLLP | 2,114,031 | $197.5M | 0.09% | +2,104,482+22,038.8% | Added |
| Deutsche Bank AG | 2,018,544 | $193.8M | 0.06% | −155,305−7.1% | Reduced |
| Vanguard Fiduciary Trust Co | 1,995,615 | $191.6M | 0.05% | +1,995,615 | New |
| Amundi | 1,959,309 | $188.1M | 0.05% | −13,233−0.7% | Reduced |
| UBS Group AG | 1,926,310 | $184.9M | 0.03% | +323,898+20.2% | Added |
| Arrowstreet Capital, Limited Partnership | 1,910,063 | $183.3M | 0.10% | +641,462+50.6% | Added |
| Swedbank AB | 1,884,603 | $180.9M | 0.19% | −30,987−1.6% | Reduced |
| Nuveen, LLC | 1,849,017 | $177.5M | 0.05% | −648,971−26.0% | Reduced |
| High Ground Investment Management LLP | 1,793,857 | $172.2M | 31.97% | −18,215−1.0% | Reduced |
| Brandes Investment Partners, LP | 1,772,372 | $170.1M | 1.20% | +61,807+3.6% | Added |
| Robeco Institutional Asset Management B.V. | 1,771,944 | $170.1M | 0.24% | +223,902+14.5% | Added |
| Bank of America Corp | 1,741,934 | $167.2M | 0.01% | +3,132+0.2% | Added |
| Bank of New York Mellon Corp | 1,723,477 | $165.4M | 0.03% | −39,248−2.2% | Reduced |
| FMR LLC | 1,711,491 | $164.3M | 0.01% | +89,358+5.5% | Added |
| GQG Partners LLC | 1,646,026 | $158.0M | 0.25% | −47,603−2.8% | Reduced |
| SEI Investments Co | 1,620,619 | $155.6M | 0.14% | −111,860−6.5% | Reduced |
| Fiduciary Management Inc | 1,461,096 | $140.3M | 1.74% | +348,893+31.4% | Added |
| Barclays PLC | 1,362,781 | $130.8M | 0.05% | +53,181+4.1% | Added |
| Capital International Investors | 1,351,962 | $129.8M | 0.03% | −565,905−29.5% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,333,320 | $128.0M | 0.15% | −8,066−0.6% | Reduced |
| Thrivent Financial for Lutherans | 1,314,694 | $126.2M | 0.24% | −284,706−17.8% | Reduced |
| HSBC Holdings PLC | 1,286,178 | $123.4M | 0.07% | +896,480+230.0% | Added |
| Two Sigma Investments, LP | 1,273,691 | $122.3M | 0.10% | −488,884−27.7% | Reduced |
| Champlain Investment Partners, LLC | 1,262,285 | $121.2M | 1.54% | −63,979−4.8% | Reduced |
| Wells Fargo & Company | 1,190,170 | $114.2M | 0.02% | −29,552−2.4% | Reduced |
| Maren Capital LLC | 1,178,870 | $113.2M | 5.92% | +43,276+3.8% | Added |
| Brown Advisory Inc | 1,162,478 | $111.6M | 0.18% | −20,480−1.7% | Reduced |
| Egerton Capital (UK) LLP | 1,116,922 | $107.2M | 1.19% | +1,116,922 | New |
| Wellington Management Group LLP | 1,110,101 | $106.6M | 0.02% | +115,573+11.6% | Added |
| Swiss National Bank | 1,064,200 | $102.2M | 0.06% | +42,800+4.2% | Added |
| Franklin Resources Inc | 1,061,428 | $101.9M | 0.02% | +208,261+24.4% | Added |
| Assetmark, Inc | 1,036,532 | $99.5M | 0.20% | +49,262+5.0% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 957,646 | $91.9M | 0.06% | −76,188−7.4% | Reduced |
| American Century Companies Inc | 939,426 | $90.2M | 0.05% | +178,848+23.5% | Added |
| Lord, Abbett & Co. LLC | 928,249 | $89.1M | 0.29% | −132,587−12.5% | Reduced |
| Stifel Financial Corp | 886,107 | $85.1M | 0.08% | −33,996−3.7% | Reduced |
| California Public Employees Retirement System | 834,282 | $80.1M | 0.05% | −286,839−25.6% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 816,429 | $78.4M | 0.05% | +37,800+4.9% | Added |
| Ameriprise Financial Inc | 801,895 | $77.0M | 0.02% | −289,497−26.5% | Reduced |
| Vanguard Global Advisers, LLC | 788,376 | $75.7M | 0.04% | +788,376 | New |
| BNP Paribas Arbitrage, SA | 782,992 | $75.2M | 0.05% | +1,968+0.3% | Added |
| Clark Capital Management Group, Inc. | 715,487 | $68.7M | 0.42% | −44,470−5.9% | Reduced |
| National Pension Service | 694,582 | $66.7M | 0.05% | +11,310+1.7% | Added |
| New York State Common Retirement Fund | 668,448 | $64.2M | 0.09% | −3,000−0.4% | Reduced |
| Davis Asset Management, L.P. | 650,000 | $62.4M | 1.81% | +100,000+18.2% | Added |
| Rhumbline Advisers | 640,699 | $61.5M | 0.05% | −17,872−2.7% | Reduced |
| Vanguard Asset Management, Ltd | 612,981 | $58.8M | 0.05% | +612,981 | New |
| Canada Pension Plan Investment Board | 610,967 | $58.6M | 0.04% | +19,944+3.4% | Added |
| Qube Research & Technologies Ltd | 561,945 | $53.9M | 0.08% | −99,803−15.1% | Reduced |
| Bank of Montreal | 555,385 | $53.3M | 0.02% | −39,932−6.7% | Reduced |
| General American Investors Co Inc | 530,200 | $50.9M | 3.36% | −69,800−11.6% | Reduced |
| Raymond James Financial Inc | 530,087 | $50.9M | 0.02% | +79,889+17.7% | Added |
| Price T Rowe Associates Inc | 513,948 | $49.3M | 0.01% | −10,306−2.0% | Reduced |
| Port Capital LLC | 508,652 | $48.8M | 2.17% | −64,140−11.2% | Reduced |
| Russell Investments Group, Ltd. | 496,560 | $47.6M | 0.05% | +8,310+1.7% | Added |
| SG Americas Securities, LLC | 485,292 | $46.6M | 0.05% | +200,082+70.2% | Added |
| Gladstone Capital Management LLP | 482,222 | $46.3M | 4.65% | −268,311−35.7% | Reduced |
| California State Teachers Retirement System | 473,333 | $45.4M | 0.05% | −25,317−5.1% | Reduced |
| Anchor Capital Advisors LLC | 443,104 | $42.5M | 1.21% | +3,005+0.7% | Added |
| Citigroup Inc | 438,380 | $42.1M | 0.03% | +56,498+14.8% | Added |
| Man Group plc | 432,239 | $41.5M | 0.09% | −145,445−25.2% | Reduced |
| Alliancebernstein L.P. | 431,461 | $41.4M | 0.01% | −62,607−12.7% | Reduced |
| Millennium Management LLC | 430,636 | $41.3M | 0.03% | −281,601−39.5% | Reduced |
| Manufacturers Life Insurance Company, The | 427,278 | $41.0M | 0.04% | −147,029−25.6% | Reduced |
| Storebrand Asset Management AS | 426,292 | $40.9M | 0.12% | +137,894+47.8% | Added |
| Smith Group Asset Management, LLC | 412,379 | $39.6M | 2.02% | +29,591+7.7% | Added |
| Federated Hermes, Inc. | 411,917 | $39.5M | 0.06% | −152,225−27.0% | Reduced |
| Commerce Bank | 391,601 | $37.6M | 0.18% | +18,267+4.9% | Added |
| Treasurer of the State of North Carolina | 367,157 | $35.2M | 0.11% | +22,380+6.5% | Added |
| Confluence Investment Management LLC | 364,086 | $34.9M | 0.54% | +4,353+1.2% | Added |
| Allianz Asset Management GmbH | 346,889 | $33.3M | 0.04% | +116,111+50.3% | Added |