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
51
13F filers
Aggregate Value
$18.0B
Across holders
Last Price
$504.32
2026-08-24
Sector
Financials
GICS
Quarterly fund activity27 increased20 reduced3 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| BILL & MELINDA GATES FOUNDATION TRUST CIK 0001166559 | Endowment | 14.69M | $7.4B | 40.9% | 21.4% | Reduced | $-1.2B | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 2.38M | $1.2B | 6.6% | 0.4% | Added | +$1.2B | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 2.27M | $1.1B | 6.3% | 0.8% | Added | +$1.1B | Q2 2026 |
| SHAW D E & CO INC CIK 0001009207 | Hedge Fund | 1.92M | $961.0M | 5.3% | 0.5% | Added | +$688.2M | Q2 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 1.62M | $808.2M | 4.5% | 1.1% | Reduced | $-31.4M | Q2 2026 |
| MARKEL CORP (MKL) CIK 0001096343 | Hedge Fund | 1.53M | $766.6M | 4.3% | 5.8% | Unchanged | +$338.7M | Q2 2026 |
| YACKTMAN ASSET MANAGEMENT CO/IL CIK 0000905567 | Institutional Manager | 1.16M | $581.2M | 3.2% | 7.2% | Added | +$423.6M | Q2 2026 |
| Himalaya Capital Management LLC CIK 0001709323 | Hedge Fund | 1.11M | $554.6M | 3.1% | 15.0% | Added | +$105.4M | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 1.09M | $543.3M | 3.0% | 0.1% | Reduced | $-767.9M | Q2 2026 |
| Hudson Bay Capital Management LP CIK 0001393825 | Hedge Fund | 818K | $409.5M | 2.3% | 1.1% | Added | $-391.2M | Q2 2026 |
Reduced
Endowment
$7.4B· 40.9% of total· 21.4% port· 14.69M sh· $-1.2B QoQ· Q2 2026
Added
Hedge Fund
$1.2B· 6.6% of total· 0.4% port· 2.38M sh· +$1.2B QoQ· Q2 2026
Added
Hedge Fund
$1.1B· 6.3% of total· 0.8% port· 2.27M sh· +$1.1B QoQ· Q2 2026
Added
Hedge Fund
$961.0M· 5.3% of total· 0.5% port· 1.92M sh· +$688.2M QoQ· Q2 2026
Reduced
Hedge Fund
$808.2M· 4.5% of total· 1.1% port· 1.62M sh· $-31.4M QoQ· Q2 2026
Unchanged
Hedge Fund
$766.6M· 4.3% of total· 5.8% port· 1.53M sh· +$338.7M QoQ· Q2 2026
Added
Institutional Manager
$581.2M· 3.2% of total· 7.2% port· 1.16M sh· +$423.6M QoQ· Q2 2026
Added
Hedge Fund
$554.6M· 3.1% of total· 15.0% port· 1.11M sh· +$105.4M QoQ· Q2 2026
Reduced
Hedge Fund
$543.3M· 3.0% of total· 0.1% port· 1.09M sh· $-767.9M QoQ· Q2 2026
Added
Hedge Fund
$409.5M· 2.3% of total· 1.1% port· 818K sh· $-391.2M QoQ· Q2 2026
Added
Hedge Fund
$391.3M· 2.2% of total· 0.4% port· 782K sh· +$301.5M QoQ· Q2 2026
Added
Hedge Fund
$302.3M· 1.7% of total· 0.5% port· 604K sh· $-1.6B QoQ· Q2 2026
Added
Hedge Fund
$295.9M· 1.6% of total· 0.3% port· 591K sh· +$208.5M QoQ· Q2 2026
Reduced
Hedge Fund
$294.1M· 1.6% of total· 0.1% port· 588K sh· +$201.1M QoQ· Q2 2026
Unchanged
Hedge Fund
$263.7M· 1.5% of total· 0.6% port· 527K sh· +$0 QoQ· Q2 2026
Reduced
Hedge Fund
$239.0M· 1.3% of total· 0.2% port· 478K sh· $-303.6M QoQ· Q2 2026
Reduced
Hedge Fund
$212.6M· 1.2% of total· 0.3% port· 425K sh· +$174.3M QoQ· Q2 2026
Reduced
Hedge Fund
$195.2M· 1.1% of total· 0.2% port· 390K sh· $-25.0M QoQ· Q2 2026
Added
Hedge Fund
$187.6M· 1.0% of total· 0.6% port· 375K sh· +$16.8M QoQ· Q2 2026
Reduced
Hedge Fund
$157.3M· 0.9% of total· 1.2% port· 313K sh· $-37.3M QoQ· Q3 2025
Reduced
Hedge Fund
$150.5M· 0.8% of total· 2.3% port· 301K sh· $-4.9M QoQ· Q2 2026
Added
Hedge Fund
$110.0M· 0.6% of total· 0.2% port· 220K sh· +$83.9M QoQ· Q2 2026
Added
Hedge Fund
$98.8M· 0.5% of total· 0.2% port· 197K sh· $-23.6M QoQ· Q2 2026
Unchanged
Family Office
$66.7M· 0.4% of total· 0.8% port· 133K sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$62.4M· 0.3% of total· 0.3% port· 125K sh· +$19.9M QoQ· Q2 2026
Added
Hedge Fund
$54.1M· 0.3% of total· 0.0% port· 108K sh· +$46.7M QoQ· Q2 2026
Reduced
Hedge Fund
$51.6M· 0.3% of total· 0.1% port· 103K sh· $-516K QoQ· Q2 2026
Reduced
Hedge Fund
$50.7M· 0.3% of total· 0.1% port· 101K sh· $-32.1M QoQ· Q2 2026
Added
Institutional Manager
$48.9M· 0.3% of total· 3.7% port· 98K sh· +$110K QoQ· Q2 2026
Added
Hedge Fund
$48.6M· 0.3% of total· 0.2% port· 97K sh· +$48.4M QoQ· Q2 2026
Reduced
Hedge Fund
$48.0M· 0.3% of total· 0.9% port· 96K sh· +$38.6M QoQ· Q2 2026
Reduced
Institutional Manager
$41.5M· 0.2% of total· 0.4% port· 83K sh· $-604K QoQ· Q2 2026
Added
Hedge Fund
$39.8M· 0.2% of total· 0.3% port· 80K sh· — QoQ· Q2 2026
Added
Hedge Fund
$36.5M· 0.2% of total· 1.3% port· 73K sh· +$32.0M QoQ· Q2 2026
Added
Institutional Manager
$33.8M· 0.2% of total· 0.1% port· 68K sh· $-2.5M QoQ· Q2 2026
Added
Hedge Fund
$26.8M· 0.1% of total· 0.2% port· 54K sh· +$18.3M QoQ· Q2 2026
Added
Hedge Fund
$21.6M· 0.1% of total· 0.0% port· 43K sh· $-89.6M QoQ· Q2 2026
Reduced
Hedge Fund
$20.3M· 0.1% of total· 0.1% port· 40K sh· +$3.6M QoQ· Q2 2026
Reduced
Institutional Manager
$17.6M· 0.1% of total· 0.0% port· 35K sh· $-1.5M QoQ· Q2 2026
Reduced
Hedge Fund
$16.6M· 0.1% of total· 0.1% port· 33K sh· $-8.8M QoQ· Q2 2026
Added
Hedge Fund
$15.6M· 0.1% of total· 0.1% port· 31K sh· +$416K QoQ· Q2 2026
Reduced
Hedge Fund
$14.5M· 0.1% of total· 0.1% port· 29K sh· $-21.8M QoQ· Q2 2026
Added
Institutional Manager
$14.4M· 0.1% of total· 0.0% port· 29K sh· — QoQ· Q2 2026
Reduced
Institutional Manager
$12.6M· 0.1% of total· 0.0% port· 25K sh· $-93K QoQ· Q2 2026
Added
Hedge Fund
$9.6M· 0.1% of total· 0.5% port· 19K sh· +$231K QoQ· Q2 2026
Unchanged
Institutional Manager
$5.7M· 0.0% of total· 0.0% port· 11K sh· +$0 QoQ· Q2 2026
Reduced
Institutional Manager
$4.1M· 0.0% of total· 0.1% port· 8K sh· $-1.1M QoQ· Q2 2026
Reduced
Hedge Fund
$3.7M· 0.0% of total· 0.0% port· 7K sh· +$3.0M QoQ· Q2 2026
Added
Hedge Fund
$3.0M· 0.0% of total· 0.3% port· 6K sh· — QoQ· Q2 2026
Added
Hedge Fund
$2.1M· 0.0% of total· 0.0% port· 4K sh· +$1.8M QoQ· Q2 2026
Added
Hedge Fund
$892K· 0.0% of total· 0.0% port· 2K sh· +$34K QoQ· Q2 2026
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