Position in BRK-B
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$485,195,748
-$40,098,632 QoQ
Shares Held
1,012,512
-3.1% QoQ
Ownership
0.072%
of shares outstanding
% of Portfolio
0.99%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 93.42289276571537.ToString("F0")%
Shared 0.ToString("F0")%
None 6.577107234284631.ToString("F0")%
Common Shares in BRK-B Over Time
Shares Held
Position Value (USD)
Derivatives in BRK-B
reported options exposure · as of Sep 30, 2020CallValue
$276,822
CallShares
1,300
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Insurance - Diversified
Financial Services · as of Mar 31, 2026BROWN ADVISORY INC holds $699,393,386 across 5 Insurance - Diversified names. BRK-B ranks #1 (69.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BRK-B |
Berkshire Hathaway Inc
This page
|
1,012,512 | $485,195,748 | |
| 2 | ACGL |
Arch Capital Group Ltd.
|
1,162,478 | $111,586,262 | |
| 3 | AIG |
American International Group, Inc.
|
1,288,568 | $96,964,741 | |
| 4 | HIG |
Hartford Insurance Group, Inc.
|
35,918 | $4,857,191 | |
| 5 | SLF |
Sun Life Financial Inc
|
12,619 | $789,444 |
All Filings in BRK-B
Export CSV
27 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $485,195,748 | 1,012,512 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $525,294,380 | 1,045,050 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $518,487,827 | 1,031,324 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $509,541,152 | 1,048,935 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $594,554,735 | 1,116,367 | Shares | Defined | 2025-04-30 | |
| 2024-12-31 | $514,621,928 | 1,135,329 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $571,229,604 | 1,241,102 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $510,075,942 | 1,253,874 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $508,750,141 | 1,209,812 | Shares | Defined | 2024-04-24 | |
| 2023-12-31 | $424,572,699 | 1,190,413 | Shares | Defined | 2024-02-08 | |
| 2023-09-30 | $416,143,438 | 1,187,963 | Shares | Defined | 2023-10-25 | |
| 2023-06-30 | $405,924,354 | 1,190,394 | Shares | Defined | 2023-07-31 | |
| 2023-03-31 | $389,103,306 | 1,260,172 | Shares | Defined | 2023-05-08 | |
| 2022-12-31 | $383,858,599 | 1,242,663 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $327,851,960 | 1,227,818 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $329,480,807 | 1,206,801 | Shares | Defined | 2022-11-14 | |
| 2022-03-31 | $427,395,182 | 1,211,060 | Shares | Defined | 2022-11-14 | |
| 2021-12-31 | $401,035,843 | 1,341,257 | Shares | Defined | 2022-01-27 | |
| 2021-09-30 | $333,763,585 | 1,222,846 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $338,867,298 | 1,219,298 | Shares | Defined | 2021-07-29 | |
| 2021-03-31 | $312,522,070 | 1,223,322 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $293,007,857 | 1,263,673 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $267,971,147 | 1,258,435 | Shares | Defined | 2020-11-16 | |
| 2020-09-30 | $276,822 | 1,300 | Call | Defined | 2020-11-16 | |
| 2020-06-30 | $224,624,308 | 1,258,329 | Shares | Defined | 2020-08-14 | |
| 2020-06-30 | $232,063 | 1,300 | Call | Defined | 2020-08-14 | |
| 2020-03-31 | $231,299,511 | 1,265,107 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||