| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BAMCO INC /NY/ | 5% | -9.2% | $1,677,154,966 | -$255,277,320 | 17,987,505 | -13% | Baron Capital Group, Inc. | 31 Dec 2025 |
As of 31 Dec 2025, 896 institutional investors reported holding 324,424,336 shares of ARCH CAPITAL GROUP LTD. - Common Shares (ACGL). This represents 89% of the company’s total 362,651,310 outstanding shares.
The largest institutional shareholders of ARCH CAPITAL GROUP LTD. - Common Shares (ACGL) together control 61% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 11% | 41,288,784 | -2.4% | 0.06% | $3,960,420,161 |
| BlackRock, Inc. | 8.8% | 31,735,316 | -2.2% | 0.05% | $3,044,051,523 |
| Artisan Partners Limited Partnership | 6.4% | 23,247,700 | -1.7% | 3.4% | $2,229,919,384 |
| BAMCO INC /NY/ | 5% | 17,987,505 | -4.1% | 4.7% | $1,725,361,480 |
| STATE STREET CORP | 4.5% | 16,451,086 | -1.9% | 0.05% | $1,577,988,169 |
| WCM INVESTMENT MANAGEMENT, LLC | 3.7% | 13,283,915 | -1.8% | 2.6% | $1,284,023,269 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.9% | 10,466,550 | -2.1% | 0.06% | $1,000,365,447 |
| JPMORGAN CHASE & CO | 1.9% | 6,741,396 | -18% | 0.04% | $646,634,841 |
| NORGES BANK | 1.3% | 4,829,107 | 0.05% | $463,207,943 | |
| NORTHERN TRUST CORP | 1.3% | 4,634,323 | -4.9% | 0.06% | $444,524,262 |
| PRINCIPAL FINANCIAL GROUP INC | 1.2% | 4,528,160 | -12% | 0.22% | $434,344,976 |
| Madison Asset Management, LLC | 1.2% | 4,332,431 | -8% | 4.8% | $415,566,746 |
| MORGAN STANLEY | 1.2% | 4,289,082 | +0.78% | 0.02% | $411,408,950 |
| DIMENSIONAL FUND ADVISORS LP | 1.1% | 4,055,956 | -1.9% | 0.08% | $389,071,655 |
| Invesco Ltd. | 1.1% | 3,861,473 | -5% | 0.06% | $370,392,490 |
| Allspring Global Investments Holdings, LLC | 1% | 3,665,969 | -2.8% | 0.56% | $344,087,851 |
| ROYAL BANK OF CANADA | 0.93% | 3,373,663 | -11% | 0.06% | $323,600,000 |
| Polar Capital Holdings Plc | 0.92% | 3,330,000 | -1.5% | 1.5% | $319,413,600 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.87% | 3,140,590 | -5.7% | 0.06% | $301,245,392 |
| GOLDMAN SACHS GROUP INC | 0.81% | 2,949,978 | +5.7% | 0.04% | $282,961,860 |
| Legal & General Group Plc | 0.81% | 2,944,169 | +4.3% | 0.06% | $282,404,686 |
| MARSHFIELD ASSOCIATES | 0.8% | 2,887,002 | +6% | 4.9% | $276,921,224 |
| AQR CAPITAL MANAGEMENT LLC | 0.74% | 2,670,628 | +184% | 0.13% | $256,166,675 |
| COOKE & BIELER LP | 0.73% | 2,635,193 | +13% | 2.6% | $252,767,713 |
| Nuveen, LLC | 0.69% | 2,497,988 | -2.5% | 0.06% | $239,607,010 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 324,424,336 | $31,110,364,954 | -$158,471,441 | $95.92 | 896 |
| 2025 Q3 | 326,024,013 | $29,557,696,954 | -$906,343,518 | $90.73 | 836 |
| 2025 Q2 | 335,824,160 | $30,555,092,183 | +$548,911,268 | $91.05 | 844 |
| 2025 Q1 | 330,247,215 | $31,739,635,524 | -$489,305,430 | $96.18 | 837 |
| 2024 Q4 | 341,012,446 | $31,477,140,767 | +$231,945,532 | $92.35 | 835 |
| 2024 Q3 | 331,581,988 | $37,108,309,963 | -$27,710,187 | $111.88 | 843 |
| 2024 Q2 | 330,971,576 | $33,382,800,419 | +$280,135,197 | $100.89 | 798 |
| 2024 Q1 | 328,387,561 | $30,350,823,955 | +$155,945,750 | $92.44 | 793 |
| 2023 Q4 | 327,256,233 | $24,306,386,241 | -$586,938,100 | $74.27 | 758 |
| 2023 Q3 | 334,489,978 | $26,669,814,032 | +$424,276,352 | $79.71 | 684 |
| 2023 Q2 | 329,370,562 | $24,648,714,317 | -$348,009,723 | $74.85 | 664 |
| 2023 Q1 | 333,803,579 | $22,651,753,848 | +$13,201,116 | $67.87 | 614 |
| 2022 Q4 | 334,538,159 | $21,001,642,913 | +$723,261,084 | $62.78 | 566 |
| 2022 Q3 | 325,308,883 | $14,816,051,284 | -$46,563,003 | $45.54 | 475 |
| 2022 Q2 | 326,157,333 | $14,835,031,110 | -$121,739,973 | $45.49 | 489 |
| 2022 Q1 | 329,675,170 | $15,958,942,579 | -$261,389,133 | $48.42 | 495 |
| 2021 Q4 | 334,750,822 | $14,874,958,282 | -$1,018,883,210 | $44.45 | 452 |
| 2021 Q3 | 347,004,560 | $13,252,763,969 | -$330,718,335 | $38.18 | 415 |
| 2021 Q2 | 355,753,213 | $13,850,032,301 | -$102,169,431 | $38.94 | 394 |
| 2021 Q1 | 358,773,961 | $13,765,624,334 | +$1,195,853,574 | $38.37 | 414 |
| 2020 Q4 | 329,064,784 | $11,866,343,852 | +$193,908,689 | $36.07 | 386 |
| 2020 Q3 | 324,285,958 | $9,476,074,217 | +$87,927,655 | $29.25 | 366 |
| 2020 Q2 | 321,718,920 | $9,210,514,543 | +$92,351,907 | $28.65 | 367 |
| 2020 Q1 | 318,244,625 | $9,057,394,534 | -$159,873,909 | $28.46 | 390 |
| 2019 Q4 | 323,229,435 | $13,854,099,023 | -$70,231,904 | $42.89 | 405 |
| 2019 Q3 | 325,012,921 | $13,637,947,421 | -$37,944,384 | $41.98 | 386 |
| 2019 Q2 | 326,053,124 | $12,086,658,494 | +$52,351,857 | $37.08 | 364 |
| 2019 Q1 | 326,941,849 | $10,564,910,253 | +$22,038,634 | $32.32 | 335 |
| 2018 Q4 | 325,063,046 | $8,684,484,332 | -$129,181,246 | $26.72 | 305 |
| 2018 Q3 | 329,946,993 | $9,833,046,116 | -$2,586,961 | $29.81 | 319 |
| 2018 Q2 | 330,262,180 | $8,737,914,659 | +$5,681,580,501 | $26.46 | 306 |
| 2018 Q1 | 111,590,931 | $9,548,598,373 | +$424,894,163 | $85.59 | 335 |
| 2017 Q4 | 107,605,150 | $9,763,835,969 | +$118,010,797 | $90.77 | 308 |
| 2017 Q3 | 105,149,545 | $10,358,050,790 | +$328,673,224 | $98.50 | 287 |
| 2017 Q2 | 101,970,196 | $9,513,216,543 | +$622,042,110 | $93.29 | 316 |
| 2017 Q1 | 95,859,227 | $9,084,582,132 | +$869,008,094 | $94.77 | 297 |
| 2016 Q4 | 95,256,598 | $8,214,559,665 | +$129,800,389 | $86.29 | 318 |
| 2016 Q3 | 94,644,230 | $7,496,946,466 | -$93,204,799 | $79.26 | 286 |
| 2016 Q2 | 95,853,767 | $6,900,759,648 | +$53,431,994 | $72.00 | 295 |
| 2016 Q1 | 95,141,724 | $6,763,078,665 | -$3,372,952 | $71.10 | 278 |
| 2015 Q4 | 95,144,146 | $6,637,121,042 | -$34,584,529 | $69.75 | 293 |
| 2015 Q3 | 95,306,146 | $7,002,230,725 | -$26,740,818 | $73.47 | 259 |
| 2015 Q2 | 95,919,943 | $6,422,653,043 | +$77,369,876 | $66.96 | 251 |
| 2015 Q1 | 94,908,342 | $5,845,641,488 | -$62,138,281 | $61.60 | 261 |
| 2014 Q4 | 95,987,812 | $5,673,525,952 | -$109,250,327 | $59.10 | 259 |
| 2014 Q3 | 98,676,903 | $5,399,462,982 | -$89,638,123 | $54.72 | 244 |
| 2014 Q2 | 100,328,786 | $5,762,765,281 | +$125,842,788 | $57.44 | 245 |
| 2014 Q1 | 98,453,869 | $5,664,192,814 | -$31,190,893 | $57.54 | 247 |