ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
Position in BRK-B — Berkshire Hathaway Inc
CIK 1164508
BOSTON, MA
Position in BRK-B
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$54,066,138
+$47,027,170 QoQ
Shares Held
108,048
+635.6% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#520
of 4,965 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 71%
Shared 0%
None 29%
Common Shares in BRK-B Over Time
Shares Held
Position Value (USD)
Position in Insurance - Diversified
Financial Services · as of Jun 30, 2026ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $944,874,461 across 7 Insurance - Diversified names. BRK-B ranks #4 (5.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ACGL |
Arch Capital Group Ltd.
|
4,493,790 | $436,167,257 | |
| 2 | HIG |
Hartford Insurance Group, Inc.
|
2,350,799 | $311,527,883 | |
| 3 | AIG |
American International Group, Inc.
|
1,249,123 | $93,097,137 | |
| 4 | BRK-B |
Berkshire Hathaway Inc
This page
|
108,048 | $54,066,138 | |
| 5 | AEG |
Aegon Ltd.
|
4,816,831 | $40,654,053 | |
| 6 | PLGO |
Pelagos Insurance Capital Ltd
|
382,649 | $9,317,503 | |
| 7 | WDH |
Waterdrop Inc.
|
39,372 | $44,490 |
All Filings in BRK-B
Export CSV
42 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $54,066,138 | 108,048 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $7,038,968 | 14,689 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $35,475,529 | 70,577 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 BRK-A | $16,592,400 | 22 | Shares | Defined | 2025-11-13 | |
| 2025-09-30 | $501,289,092 | 997,114 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 BRK-A | $22,592,800 | 31 | Shares | Defined | 2025-08-13 | |
| 2025-06-30 | $508,652,681 | 1,047,106 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 BRK-A | $95,014,598 | 119 | Shares | Defined | 2025-05-14 | |
| 2025-03-31 | $565,320,355 | 1,061,475 | Shares | Defined | 2025-05-14 | |
| 2024-12-31 BRK-A | $64,687,400 | 95 | Shares | Defined | 2025-02-12 | |
| 2024-12-31 | $216,696,849 | 478,064 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 BRK-A | $108,515,260 | 157 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $178,674,312 | 388,203 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 BRK-A | $67,958,751 | 111 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $90,012,229 | 221,269 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 BRK-A | $75,498,360 | 119 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $97,945,415 | 232,915 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $5,219,719 | 14,635 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $48,495,181 | 138,439 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $1,306,712 | 3,832 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $201,009 | 651 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 BRK-A | $1,874,844 | 4 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 BRK-A | $2,438,820 | 6 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $1,552,454 | 5,814 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 BRK-A | $365,601,300 | 894 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $366,626,545 | 1,342,856 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 BRK-A | $534,210,210 | 1,010 | Shares | Defined | 2022-05-13 | |
| 2022-03-31 | $635,322,698 | 1,800,240 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 BRK-A | $533,583,808 | 1,184 | Shares | Defined | 2022-02-14 | |
| 2021-12-31 | $894,525,177 | 2,991,723 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 BRK-A | $545,077,175 | 1,325 | Shares | Defined | 2021-11-12 | |
| 2021-09-30 | $1,121,263,722 | 4,108,096 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 BRK-A | $446,228,666 | 1,066 | Shares | Defined | 2021-08-13 | |
| 2021-06-30 | $1,016,138,052 | 3,656,225 | Shares | Defined | 2021-08-13 | |
| 2021-03-31 BRK-A | $243,763,664 | 632 | Shares | Defined | 2021-05-14 | |
| 2021-03-31 | $798,633,708 | 3,126,135 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 BRK-A | $4,173,780 | 12 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 BRK-A | $2,880,009 | 9 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 BRK-A | $5,613,300 | 21 | Shares | Defined | 2020-08-12 | |
| 2020-06-30 | $110,590,336 | 619,519 | Shares | Defined | 2020-08-12 | |
| 2020-03-31 BRK-A | $4,352,000 | 16 | Shares | Defined | 2020-05-15 | |
| 2020-03-31 | $53,935,764 | 295,005 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||