BERKSHIRE HATHAWAY INC DEL: Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in BERKSHIRE HATHAWAY INC DEL · Financials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
18
13F filers
Aggregate Value
$1.8B
Across holders
Last Price
$755631.00
2026-08-24
Sector
Financials
GICS
Quarterly fund activity6 increased5 reduced0 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| MARKEL CORP (MKL) CIK 0001096343 | Hedge Fund | 1K | $834.2M | 46.2% | 6.4% | Unchanged | +$49.4M | Q2 2026 |
| First Eagle Investment Management, LLC CIK 0001325447 | Institutional Manager | 565 | $423.1M | 23.4% | 0.7% | Unchanged | +$0 | Q2 2026 |
| TWEEDY BROWNE CO LLC// CIK 0000732905 | Institutional Manager | 144 | $107.8M | 6.0% | 8.2% | Unchanged | +$0 | Q2 2026 |
| Clearbridge Investments, LLC CIK 0001348883 | Hedge Fund | 131 | $98.1M | 5.4% | 0.1% | Reduced | $-127.3M | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 120 | $89.9M | 5.0% | 0.1% | Added | +$21.7M | Q2 2026 |
| Ruane, Cunniff & Goldfarb L.P. CIK 0001720792 | Hedge Fund | 103 | $77.1M | 4.3% | 1.2% | Reduced | $-5.2M | Q2 2026 |
| Rockefeller Capital Management L.P. CIK 0001739439 | Hedge Fund | 75 | $56.2M | 3.1% | 0.1% | Added | $-23.2M | Q2 2026 |
| GAMCO INVESTORS, INC. ET AL CIK 0000807249 | Institutional Manager | 41 | $30.7M | 1.7% | 0.3% | Unchanged | +$0 | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 39 | $29.2M | 1.6% | 0.0% | Added | — | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 25 | $18.7M | 1.0% | 0.0% | Reduced | $-6.0M | Q2 2026 |
Unchanged
Hedge Fund
$834.2M· 46.2% of total· 6.4% port· 1K sh· +$49.4M QoQ· Q2 2026
Unchanged
Institutional Manager
$423.1M· 23.4% of total· 0.7% port· 565 sh· +$0 QoQ· Q2 2026
Unchanged
Institutional Manager
$107.8M· 6.0% of total· 8.2% port· 144 sh· +$0 QoQ· Q2 2026
Reduced
Hedge Fund
$98.1M· 5.4% of total· 0.1% port· 131 sh· $-127.3M QoQ· Q2 2026
Added
Hedge Fund
$89.9M· 5.0% of total· 0.1% port· 120 sh· +$21.7M QoQ· Q2 2026
Reduced
Hedge Fund
$77.1M· 4.3% of total· 1.2% port· 103 sh· $-5.2M QoQ· Q2 2026
Added
Hedge Fund
$56.2M· 3.1% of total· 0.1% port· 75 sh· $-23.2M QoQ· Q2 2026
Unchanged
Institutional Manager
$30.7M· 1.7% of total· 0.3% port· 41 sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$29.2M· 1.6% of total· 0.0% port· 39 sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$18.7M· 1.0% of total· 0.0% port· 25 sh· $-6.0M QoQ· Q2 2026
Reduced
Hedge Fund
$10.5M· 0.6% of total· 0.0% port· 14 sh· $-749K QoQ· Q2 2026
Unchanged
Hedge Fund
$8.5M· 0.5% of total· 0.5% port· 11 sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$8.2M· 0.5% of total· 0.0% port· 11 sh· +$1.5M QoQ· Q2 2026
Added
Hedge Fund
$6.0M· 0.3% of total· 0.0% port· 8 sh· +$3.7M QoQ· Q2 2026
Unchanged
Institutional Manager
$3.0M· 0.2% of total· 0.0% port· 4 sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$1.5M· 0.1% of total· 0.0% port· 2 sh· — QoQ· Q2 2026
Reduced
Institutional Manager
$1.5M· 0.1% of total· 0.0% port· 2 sh· $-749K QoQ· Q2 2026
Unchanged
Hedge Fund
$749K· 0.0% of total· 0.0% port· 1 sh· +$0 QoQ· Q2 2026
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