| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BERKLEY WILLIAM R | 25% | $7,353,616,042 | 95,551,144 | WR Berkley & Others LLC | 05 Dec 2025 | |||
| MITSUI SUMITOMO INSURANCE CO LTD | 15% | +7.1% | $3,879,274,254 | +$256,436,164 | 56,458,656 | +7.1% | Mitsui Sumitomo Insurance Co., Ltd. | 05 Feb 2026 |
As of 31 Dec 2025, 912 institutional investors reported holding 281,994,788 shares of BERKLEY W R CORP - Common stock, par value $0.20 per share (WRB). This represents 74% of the company’s total 378,917,154 outstanding shares.
The largest institutional shareholders of BERKLEY W R CORP - Common stock, par value $0.20 per share (WRB) together control 56% 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 |
|---|---|---|---|---|---|
| MITSUI SUMITOMO INSURANCE CO LTD | 13% | 50,526,511 | 0% | 100% | $3,542,918,951 |
| VANGUARD GROUP INC | 9.8% | 37,033,581 | +0.84% | 0.04% | $2,596,794,700 |
| BlackRock, Inc. | 6.6% | 25,060,489 | +1.2% | 0.03% | $1,757,241,475 |
| STATE STREET CORP | 3.9% | 14,916,433 | -0.03% | 0.04% | $1,045,940,282 |
| MORGAN STANLEY | 2.6% | 9,798,358 | -17% | 0.04% | $687,061,127 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 2.3% | 8,709,181 | -8.3% | 1.6% | $610,687,793 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.2% | 8,348,791 | +0.05% | 0.04% | $586,983,442 |
| NORGES BANK | 1.6% | 6,214,380 | 0.05% | $435,752,326 | |
| Invesco Ltd. | 1.3% | 4,913,337 | +0.42% | 0.05% | $344,523,159 |
| WELLS FARGO & COMPANY/MN | 1.1% | 3,990,309 | +2.2% | 0.05% | $279,800,474 |
| DIMENSIONAL FUND ADVISORS LP | 0.96% | 3,638,379 | -2% | 0.05% | $255,144,066 |
| FIRST TRUST ADVISORS LP | 0.95% | 3,595,187 | -15% | 0.18% | $252,094,546 |
| JANUS HENDERSON GROUP PLC | 0.94% | 3,557,807 | -49% | 0.11% | $249,473,586 |
| UBS Group AG | 0.93% | 3,505,867 | +35% | 0.05% | $245,831,395 |
| JPMORGAN CHASE & CO | 0.78% | 2,959,888 | -40% | 0.01% | $207,547,388 |
| NORTHERN TRUST CORP | 0.76% | 2,888,270 | -4.1% | 0.03% | $202,525,492 |
| ROYAL LONDON ASSET MANAGEMENT LTD | 0.74% | 2,790,374 | +0.97% | 0.41% | $195,661,024 |
| GOLDMAN SACHS GROUP INC | 0.73% | 2,754,383 | +71% | 0.03% | $193,137,367 |
| PRINCIPAL FINANCIAL GROUP INC | 0.71% | 2,707,852 | -48% | 0.1% | $189,877,329 |
| Polar Capital Holdings Plc | 0.65% | 2,445,000 | -11% | 0.78% | $171,443,400 |
| BANK OF AMERICA CORP /DE/ | 0.62% | 2,353,962 | -8.4% | 0.01% | $165,059,799 |
| 1832 Asset Management L.P. | 0.61% | 2,323,657 | -3.1% | 0.21% | $162,934,829 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.59% | 2,219,902 | +35573% | 0.03% | $155,659,528 |
| Bank of New York Mellon Corp | 0.58% | 2,201,848 | +27% | 0.03% | $154,393,620 |
| Legal & General Group Plc | 0.54% | 2,060,831 | -3.5% | 0.03% | $144,505,473 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 281,994,788 | $19,770,902,320 | -$958,817,995 | $70.12 | 912 |
| 2025 Q3 | 244,302,160 | $18,709,747,195 | -$716,017,767 | $76.62 | 916 |
| 2025 Q2 | 254,536,404 | $18,686,757,069 | -$149,116,870 | $73.47 | 910 |
| 2025 Q1 | 257,292,485 | $18,301,513,349 | -$84,423,696 | $71.16 | 901 |
| 2024 Q4 | 261,201,054 | $15,282,336,353 | +$11,840,798 | $58.52 | 863 |
| 2024 Q3 | 257,666,567 | $14,610,619,816 | +$4,069,018,248 | $56.73 | 782 |
| 2024 Q2 | 172,270,942 | $13,523,820,184 | -$183,054,042 | $78.58 | 715 |
| 2024 Q1 | 177,792,698 | $15,696,135,878 | +$89,117,991 | $88.44 | 753 |
| 2023 Q4 | 177,087,428 | $12,509,528,867 | +$187,304,817 | $70.72 | 719 |
| 2023 Q3 | 173,557,239 | $11,026,700,461 | -$7,776,725 | $63.49 | 660 |
| 2023 Q2 | 173,712,681 | $10,338,961,461 | -$401,727,413 | $59.56 | 649 |
| 2023 Q1 | 179,596,816 | $11,171,670,237 | -$108,727,332 | $62.26 | 680 |
| 2022 Q4 | 181,858,021 | $13,197,305,485 | +$462,921,439 | $72.57 | 709 |
| 2022 Q3 | 184,861,142 | $11,946,372,437 | +$116,018,039 | $64.58 | 656 |
| 2022 Q2 | 183,998,325 | $12,556,999,643 | +$208,361,780 | $68.26 | 653 |
| 2022 Q1 | 180,465,440 | $11,997,872,310 | +$3,856,834,018 | $66.59 | 597 |
| 2021 Q4 | 122,708,960 | $10,095,755,740 | -$65,790,203 | $82.39 | 561 |
| 2021 Q3 | 123,728,672 | $9,035,613,890 | +$30,234,247 | $73.18 | 506 |
| 2021 Q2 | 123,322,540 | $9,159,195,144 | -$100,678,097 | $74.43 | 515 |
| 2021 Q1 | 124,457,759 | $9,355,454,258 | +$113,697,159 | $75.35 | 500 |
| 2020 Q4 | 123,309,741 | $8,165,386,468 | -$330,974,620 | $66.42 | 492 |
| 2020 Q3 | 128,501,461 | $7,813,326,104 | +$47,050,425 | $61.15 | 443 |
| 2020 Q2 | 127,562,691 | $7,287,804,384 | -$114,624,014 | $57.29 | 441 |
| 2020 Q1 | 129,817,720 | $6,774,675,699 | -$25,072,607 | $52.17 | 431 |
| 2019 Q4 | 129,477,135 | $8,930,012,544 | -$13,011,946 | $69.10 | 483 |
| 2019 Q3 | 129,465,090 | $9,340,783,049 | -$111,300,097 | $72.23 | 432 |
| 2019 Q2 | 131,064,351 | $8,628,439,304 | +$2,829,528,236 | $65.93 | 410 |
| 2019 Q1 | 86,453,145 | $7,316,606,142 | -$85,830,799 | $84.72 | 370 |
| 2018 Q4 | 88,664,256 | $6,548,237,532 | +$72,140,529 | $73.91 | 393 |
| 2018 Q3 | 87,550,721 | $6,996,180,938 | -$136,501,445 | $79.93 | 386 |
| 2018 Q2 | 89,301,237 | $6,466,341,383 | +$81,078,978 | $72.41 | 379 |
| 2018 Q1 | 88,139,990 | $6,406,985,428 | +$48,304,861 | $72.70 | 385 |
| 2017 Q4 | 87,607,567 | $6,272,228,374 | -$16,832,460 | $71.65 | 369 |
| 2017 Q3 | 87,821,049 | $5,860,843,168 | +$11,970,630 | $66.74 | 354 |
| 2017 Q2 | 87,587,704 | $6,058,727,477 | -$45,290,521 | $69.17 | 344 |
| 2017 Q1 | 88,677,799 | $6,262,151,700 | +$785,712,453 | $70.63 | 350 |
| 2016 Q4 | 87,549,423 | $5,818,283,044 | -$46,449,642 | $66.51 | 352 |
| 2016 Q3 | 88,159,166 | $5,088,748,831 | -$9,733,514 | $57.76 | 335 |
| 2016 Q2 | 88,389,248 | $5,295,529,448 | +$80,122,282 | $59.92 | 343 |
| 2016 Q1 | 87,275,046 | $4,904,002,441 | +$46,529,908 | $56.20 | 343 |
| 2015 Q4 | 86,488,629 | $4,736,044,925 | -$54,575,518 | $54.75 | 351 |
| 2015 Q3 | 87,586,707 | $4,761,931,105 | -$36,179,967 | $54.37 | 336 |
| 2015 Q2 | 88,488,675 | $4,595,408,846 | -$101,257,876 | $51.93 | 328 |
| 2015 Q1 | 90,539,095 | $4,572,931,995 | -$94,149,339 | $50.51 | 336 |
| 2014 Q4 | 92,533,427 | $4,742,860,395 | +$44,314,702 | $51.26 | 347 |
| 2014 Q3 | 90,285,841 | $4,315,658,515 | +$73,860,292 | $47.80 | 307 |
| 2014 Q2 | 90,148,492 | $4,174,581,950 | +$46,886,898 | $46.31 | 317 |
| 2014 Q1 | 89,550,736 | $3,726,819,188 | -$198,263,871 | $41.62 | 306 |