CARDEROCK CAPITAL MANAGEMENT INC
Position in BRK-B — Berkshire Hathaway Inc
CIK 1168889
CHEVY CHASE, MD
Position in BRK-B
as of Jun 30, 2026
· filed Jul 7, 2026
Position Value
$600,468
-$2,272,752 QoQ
Shares Held
1,200
-20.2% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
#3,981
of 4,965 holders
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 Jun 30, 2026CARDEROCK CAPITAL MANAGEMENT INC holds $7,428,444 across 2 Insurance - Diversified names. BRK-B ranks #2 (8.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ACGL |
Arch Capital Group Ltd.
|
70,348 | $6,827,976 | |
| 2 | BRK-B |
Berkshire Hathaway Inc
This page
|
1,200 | $600,468 |
All Filings in BRK-B
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26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $600,468 | 1,200 | Shares | Sole | 2026-07-07 | |
| 2026-03-31 BRK-A | $2,154,420 | 3 | Shares | Sole | 2026-04-10 | |
| 2026-03-31 | $718,800 | 1,500 | Shares | Sole | 2026-04-10 | |
| 2025-12-31 | $394,580 | 785 | Shares | Sole | 2026-01-09 | |
| 2025-09-30 | $394,650 | 785 | Shares | Sole | 2025-10-17 | |
| 2025-06-30 | $381,329 | 785 | Shares | Sole | 2025-07-10 | |
| 2025-03-31 | $362,154 | 680 | Shares | Sole | 2025-05-27 | |
| 2024-12-31 | $383,021 | 845 | Shares | Sole | 2025-01-15 | |
| 2024-09-30 | $391,221 | 850 | Shares | Sole | 2024-10-16 | |
| 2024-06-30 | $396,630 | 975 | Shares | Sole | 2024-07-22 | |
| 2024-03-31 | $719,089 | 1,710 | Shares | Sole | 2024-04-23 | |
| 2023-12-31 | $422,642 | 1,185 | Shares | Sole | 2024-01-23 | |
| 2023-09-30 | $434,372 | 1,240 | Shares | Sole | 2023-10-23 | |
| 2023-06-30 | $422,840 | 1,240 | Shares | Sole | 2023-07-25 | |
| 2023-03-31 | $382,874 | 1,240 | Shares | Sole | 2023-04-19 | |
| 2022-12-31 | $386,125 | 1,250 | Shares | Sole | 2023-01-20 | |
| 2022-09-30 | $333,775 | 1,250 | Shares | Sole | 2022-11-04 | |
| 2022-06-30 | $361,751 | 1,325 | Shares | Sole | 2022-07-21 | |
| 2022-03-31 | $467,605 | 1,325 | Shares | Sole | 2022-04-28 | |
| 2021-12-31 | $396,175 | 1,325 | Shares | Sole | 2022-01-31 | |
| 2021-09-30 | $252,469 | 925 | Shares | Sole | 2021-10-29 | |
| 2021-06-30 | $291,816 | 1,050 | Shares | Sole | 2021-07-30 | |
| 2021-03-31 | $281,017 | 1,100 | Shares | Sole | 2021-05-07 | |
| 2020-12-31 | $255,057 | 1,100 | Shares | Sole | 2021-02-05 | |
| 2020-09-30 | $244,881 | 1,150 | Shares | Sole | 2020-10-27 | |
| 2020-03-31 | $202,941 | 1,110 | Shares | Sole | 2020-05-11 | |
| No filing history on record for this holder in this stock. | ||||||