Position in BRK-B
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$690,048
-$132,287 QoQ
Shares Held
1,440
-12.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in BRK-B Over Time
Shares Held
Position Value (USD)
Position in Insurance - Diversified
Financial Services · as of Mar 31, 2026Port Capital LLC holds $49,515,553 across 2 Insurance - Diversified names. BRK-B ranks #2 (1.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ACGL |
Arch Capital Group Ltd.
|
508,652 | $48,825,505 | |
| 2 | BRK-B |
Berkshire Hathaway Inc
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|
1,440 | $690,048 |
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 | $690,048 | 1,440 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $822,335 | 1,636 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $822,482 | 1,636 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $742,742 | 1,529 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $835,618 | 1,569 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $722,528 | 1,594 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $732,273 | 1,591 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $651,286 | 1,601 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $758,197 | 1,803 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $645,197 | 1,809 | Shares | Sole | 2024-02-15 | |
| 2023-09-30 | $637,896 | 1,821 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $625,735 | 1,835 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $566,592 | 1,835 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $569,302 | 1,843 | Shares | Sole | 2023-02-15 | |
| 2022-09-30 | $659,806 | 2,471 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $616,479 | 2,258 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $950,386 | 2,693 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $517,270 | 1,730 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $643,865 | 2,359 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $632,823 | 2,277 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $573,785 | 2,246 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $520,780 | 2,246 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $478,263 | 2,246 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $17,636,073 | 98,796 | Shares | Sole | 2020-08-17 | |
| 2020-03-31 | $17,069,740 | 93,364 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||