BERKSHIRE HATHAWAY INC-CL B (BRK-B) Stock Institutional Trading Activity
BERKSHIRE HATHAWAY INC-CL B (BRK-B) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Bill & Melinda Gates Foundation Trust, H&H International Investment, Renaissance Technologies LLC, Aquamarine Zurich AG, and Yacktman Asset Management. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- BERKSHIRE HATHAWAY INC-CL B (BRK-B) stock institutional ownership
- BERKSHIRE HATHAWAY INC-CL B (BRK-B) stock insider trading activity
- Stock rankings
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q4 2023 | Gardner Russo & Quinn | Sell | -48,164 | 1,569,986 | $559,951,207 |
| Q4 2023 | Sound Shore Management | Buy | 26,679 | 229,820 | $81,967,602 |
| Q4 2023 | Eagle Capital Management | Buy | 11,270 | 11,270 | $4,020 |
| Q4 2023 | First Eagle U.S. Value | Buy | 1,797 | 1,807 | $644,399 |
| Q4 2023 | Matrix Private Capital Group | Buy | 5 | 1,892 | $674,907 |
| Q4 2023 | Matrix Advisors Value Fund | Buy | 30 | 2,744 | $978,675 |
| Q4 2023 | Akre Capital Management | Sell | -550 | 16,560 | $5,906,290 |
| Q4 2023 | Mairs & Power Growth Fund | Sell | -2,632 | 24,308 | $8,669,691 |
| Q4 2023 | Muhlenkamp & Co | Buy | 289 | 37,849 | $13,499,224 |
| Q4 2023 | Greenbrier Partners Capital Management | Sell | -1,199 | 89,405 | $31,887,187 |
| Q4 2023 | Fairholme Capital Management | Buy | 71,685 | 122,958 | $43,854,200 |
| Q4 2023 | Sequoia Financial Advisors | Buy | 32,025 | 225,448 | $80,408,450 |
| Q4 2023 | Semper Augustus Investments Group | Buy | 2,012 | 233,545 | $83,296,160 |
| Q4 2023 | Sequoia Fund | Sell | -15,782 | 456,279 | $162,736,468 |
| Q4 2023 | Giverny Capital | Buy | 7,566 | 483,856 | $172,572,081 |
| Q4 2023 | H&H International Investment | Sell | -259,800 | 4,746,302 | $1,692,816,071 |
| Q4 2023 | Bill & Melinda Gates Foundation Trust | Sell | -2,613,252 | 19,916,349 | $7,103,365,034 |
| Q4 2023 | Tweedy, Browne Co All Funds (US) | Sell | -2,630 | 162,360 | $57,907,318 |
| Q4 2023 | Cullen Value Fund | Buy | 103,767 | 103,767 | $37,009,538 |
| Q3 2023 | Yacktman Asset Management | Sell | -14,086 | 693,304 | $242,864,391 |
| Q3 2023 | Lountzis Asset Management | Sell | -9 | 141,097 | $49,426 |
| Q3 2023 | Gardner Russo & Quinn | Sell | -7,403 | 1,618,150 | $566,837,945 |
| Q3 2023 | Sound Shore Management | Sell | -70,163 | 203,141 | $71,160,293 |
| Q3 2023 | First Eagle U.S. Value | Sell | -16 | 10 | $3,503 |
| Q3 2023 | Olstein Capital Management | Buy | 6,000 | 17,000 | $5,955 |
| Q3 2023 | Matrix Private Capital Group | Buy | 2 | 1,887 | $660,973 |
| Q3 2023 | Matrix Advisors Value Fund | Buy | 30 | 2,714 | $950,714 |
| Q3 2023 | Akre Capital Management | Sell | -4 | 17,110 | $5,993,633 |
| Q3 2023 | Mairs & Power Growth Fund | Buy | 1,124 | 26,940 | $9,437,082 |
| Q3 2023 | Muhlenkamp & Co | Sell | -86 | 37,560 | $13,157,268 |
Frequently asked questions about BRK-B activity
Which institutional owners are buying BRK-B?
Institutional owners buying BRK-B include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in BRK-B activity?
"Buy" means an investor increased their reported position in BRK-B compared to the prior reporting period. This reflects growing exposure to BERKSHIRE HATHAWAY INC-CL B (BRK-B) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in BRK-B increasing?
Institutional interest in BRK-B can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.