Knollwood Investment Advisory, LLC
Position in BRK-B — Berkshire Hathaway Inc
CIK 1999346
HUNT VALLEY, MD
Position in BRK-B
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$2,246,550
+$92,130 QoQ
Shares Held
3
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.21%
of 13F equity value
Holder Rank
#2,631
of 4,965 holders
Holding Since
Dec 2022
15 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, 2026Knollwood Investment Advisory, LLC holds $4,327,114 across 2 Insurance - Diversified names. BRK-B ranks #1 (51.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BRK-B |
Berkshire Hathaway Inc
This page
|
3 | $2,246,550 | |
| 2 | HIG |
Hartford Insurance Group, Inc.
|
15,700 | $2,080,564 |
All Filings in BRK-B
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15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 BRK-A | $2,246,550 | 3 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 BRK-A | $2,154,420 | 3 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 BRK-A | $2,264,400 | 3 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 BRK-A | $2,262,600 | 3 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 BRK-A | $2,186,400 | 3 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 BRK-A | $2,395,326 | 3 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 BRK-A | $2,042,760 | 3 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 BRK-A | $2,073,540 | 3 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 BRK-A | $1,836,723 | 3 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 BRK-A | $1,903,320 | 3 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 BRK-A | $1,627,875 | 3 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 BRK-A | $1,594,431 | 3 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 BRK-A | $1,553,430 | 3 | Shares | Sole | 2023-11-14 | |
| 2023-03-31 BRK-A | $1,396,800 | 3 | Shares | Sole | 2023-11-14 | |
| 2022-12-31 BRK-A | $1,406,133 | 3 | Shares | Sole | 2023-11-14 | |
| No filing history on record for this holder in this stock. | ||||||