Position in BRK-B
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$601,912,097
-$9,385,698 QoQ
Shares Held
1,256,077
+3.3% QoQ
Ownership
0.090%
of shares outstanding
% of Portfolio
1.22%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in BRK-B Over Time
Shares Held
Position Value (USD)
Position in Insurance - Diversified
Financial Services · as of Mar 31, 2026Mariner, LLC holds $637,693,823 across 7 Insurance - Diversified names. BRK-B ranks #1 (94.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BRK-B |
Berkshire Hathaway Inc
This page
|
1,256,077 | $601,912,097 | |
| 2 | ACGL |
Arch Capital Group Ltd.
|
212,506 | $20,398,450 | |
| 3 | AIG |
American International Group, Inc.
|
87,194 | $6,561,347 | |
| 4 | HIG |
Hartford Insurance Group, Inc.
|
27,860 | $3,767,505 | |
| 5 | SLF |
Sun Life Financial Inc
|
47,121 | $2,947,889 | |
| 6 | AEG |
Aegon Ltd.
|
200,379 | $1,454,751 | |
| 7 | PLGO |
Pelagos Insurance Capital Ltd
|
34,107 | $651,784 |
All Filings in BRK-B
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25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $601,912,097 | 1,256,077 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $611,297,795 | 1,216,150 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $569,556,658 | 1,132,905 | Shares | Other | 2025-11-14 | |
| 2025-06-30 | $531,274,988 | 1,093,676 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $574,054,666 | 1,077,875 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $476,897,698 | 1,052,104 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $474,799,151 | 1,031,589 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $406,468,050 | 999,184 | Shares | Other | 2024-08-13 | |
| 2024-03-31 | $411,014,984 | 977,397 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $349,262,514 | 979,259 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $324,551,547 | 926,496 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $311,967,260 | 914,860 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $276,093,487 | 894,172 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $270,611,844 | 876,050 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $218,414,348 | 817,970 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $217,675,296 | 797,287 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $265,912,744 | 753,486 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $102,979,786 | 344,414 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $79,356,759 | 290,748 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $77,732,000 | 279,692 | Shares | Sole | 2021-08-24 | |
| 2021-03-31 | $72,368,264 | 283,275 | Shares | Sole | 2021-05-07 | |
| 2020-12-31 | $62,596,320 | 269,963 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $54,073,344 | 253,937 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $46,923,674 | 262,863 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $48,206,603 | 263,669 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||