Skip to main content

BLAIR WILLIAM & CO/IL

Position in BRK-B — Berkshire Hathaway Inc

CIK 902367 CHICAGO, IL

Position in BRK-B

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$289,159,148
+$5,839,886 QoQ
Shares Held
483,649
-2.4% QoQ
Ownership
0.034%
of shares outstanding
% of Portfolio
0.88%
of 13F equity value
Holder Rank
#173
of 4,950 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 77% Shared 0% None 23%

Common Shares in BRK-B Over Time

Shares Held

Position Value (USD)

Position in Insurance - Diversified

Financial Services · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $294,011,828 across 5 Insurance - Diversified names. BRK-B ranks #1 (98.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 BRK-B
Berkshire Hathaway Inc
This page
483,649 $289,159,148

All Filings in BRK-B

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 BRK-A $47,177,550 63
2026-06-30 $241,981,598 483,586
2026-03-31 BRK-A $45,960,960 64
2026-03-31 $237,358,302 495,322
2025-12-31 BRK-A $49,816,800 66
2025-12-31 $224,715,714 447,062
2025-09-30 BRK-A $49,023,000 65
2025-09-30 $223,836,941 445,234
2025-06-30 BRK-A $51,016,000 70
2025-06-30 $215,000,344 442,597
2025-03-31 BRK-A $55,890,940 70
2025-03-31 $224,085,165 420,754
2024-12-31 BRK-A $48,345,320 71
2024-12-31 $189,978,260 419,119
2024-09-30 BRK-A $47,000,240 68
2024-09-30 $187,720,262 407,857
2024-06-30 BRK-A $41,020,147 67
2024-06-30 $165,284,467 406,304
2024-03-31 BRK-A $43,776,360 69
2024-03-31 $166,399,343 395,699
2023-12-31 BRK-A $37,441,125 69
2023-12-31 $135,703,423 380,484
2023-09-30 BRK-A $35,608,959 67
2023-09-30 $124,576,138 355,627
2023-06-30 BRK-A $26,926,120 52
2023-06-30 $120,007,448 351,928
2023-03-31 BRK-A $24,211,200 52
2023-03-31 $110,575,477 358,116
2022-12-31 BRK-A $25,779,105 55
2022-12-31 $110,264,017 356,957
2022-09-30 BRK-A $21,542,910 53
2022-09-30 $89,697,091 335,919
2022-06-30 BRK-A $21,674,350 53
2022-06-30 $89,097,073 326,339
2022-03-31 BRK-A $24,330,366 46
2022-03-31 $115,310,166 326,741
2021-12-31 BRK-A $20,279,790 45
2021-12-31 $97,966,453 327,647
2021-09-30 BRK-A $17,277,918 42
2021-09-30 $85,745,465 314,155
2021-06-30 BRK-A $23,023,055 55
2021-06-30 $85,179,700 306,490
2021-03-31 BRK-A $35,870,286 93
2021-03-31 $78,549,360 307,470
2020-12-31 BRK-A $33,042,425 95
2020-12-31 $83,109,395 358,431
2020-09-30 BRK-A $30,720,096 96
2020-09-30 $73,673,407 345,982
2020-06-30 BRK-A $24,858,900 93
2020-06-30 $62,563,113 350,474