Berkshire Hathaway Inc.
Berkshire Hathaway Inc. (BRK-B) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · BRK-B · as of Sep 30, 2024
Ownership Breakdown
4,193
Institutional Holders
▲ 72 vs Q2
$392.75B
Total Inst. Value
▲ $43.07B vs Q2
2.16B
Shares Outstanding
freeFloat 64.66%
863.62M
13F Shares Held
▲ 2.96M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
BRK-B largest shareholders · institutional ownership
Q3 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC fire, marine & casualty insurance | 146.44M | 6.79% | 6.79% | $67.40T | Nov 13, 2024 | ▲ 2.29M |
BLACKROCK, INC. fire, marine & casualty insurance | 109.85M | 5.10% | 5.10% | $50.56T | Nov 13, 2024 | NEW |
STATE STREET CORP fire, marine & casualty insurance | 70.50M | 3.27% | 3.27% | $32.45T | Nov 14, 2024 | ▲ 1.18M |
GEODE CAPITAL MANAGEMENT, LLC fire, marine & casualty insurance | 36.73M | 1.70% | 1.70% | $16.86T | Nov 12, 2024 | ▲ 905.8K |
MORGAN STANLEY fire, marine & casualty insurance | 26.55M | 1.23% | 1.23% | $12.22T | May 14, 2025 | ▲ 1.57M |
BILL & MELINDA GATES FOUNDATION TRUST fire, marine & casualty insurance | 22.14M | 1.03% | 1.03% | $10.19T | Nov 14, 2024 | ▼ 2.48M |
NORTHERN TRUST CORP fire, marine & casualty insurance | 15.32M | 71.10% | 71.10% | $7.05T | Nov 13, 2024 | ▼ 359.9K |
JPMORGAN CHASE & CO fire, marine & casualty insurance | 14.02M | 65.07% | 65.07% | $6.46T | Dec 26, 2024 | ▲ 3.41M |
BANK OF NEW YORK MELLON CORP fire, marine & casualty insurance | 12.61M | 58.49% | 58.49% | $5.80T | Nov 12, 2024 | ▼ 181.5K |
PRICE T ROWE ASSOCIATES INC /MD/ fire, marine & casualty insurance | 10.98M | 50.94% | 50.94% | $5.05T | Nov 14, 2024 | ▼ 5.7K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2024 vs prior quarter
Q3 2024
30
Increased
+25.89M shares1
New Positions
first time holders19
Decreased
−8.36M shares0
Sold Out
fully exitedNet shares change (top 50)
+17.53M
+25.89M / −8.36M
Net new holders
+12
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
BRK-B insider trading · insider activity
Source: SEC Form 4
22
Buy transactions
1
Sell transactions
22.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Jain Ajit Vice Chairman | Jan 12, 2024 | Gift | 28 | — | — | 491 | Form 4 ↗ |
GUYMAN CHARLOTTE director | Dec 14, 2023 | Gift | 105 | — | — | 1.1K | Form 4 ↗ |
GUYMAN CHARLOTTE director | Dec 14, 2023 | Gift | 98 | — | — | 1.0K | Form 4 ↗ |
GUYMAN CHARLOTTE director | Dec 14, 2023 | Gift | 65 | — | — | 955 | Form 4 ↗ |
GUYMAN CHARLOTTE director | Oct 27, 2023 | C-Conversion | 1,500 | — | — | 1.5K | Form 4 ↗ |
GUYMAN CHARLOTTE director | Dec 12, 2023 | Gift | 148 | — | — | 1.4K | Form 4 ↗ |
GUYMAN CHARLOTTE director | Dec 12, 2023 | Gift | 113 | — | — | 1.2K | Form 4 ↗ |
GUYMAN CHARLOTTE director | Dec 12, 2023 | Gift | 16 | — | — | 1.2K | Form 4 ↗ |
GUYMAN CHARLOTTE director | Oct 27, 2023 | C-Conversion | 1 | — | — | 58 | Form 4 ↗ |
Jain Ajit Vice Chairman | Nov 8, 2023 | Gift | 3 | — | — | 579 | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Berkshire Hathaway Inc. (BRK-B) is primarily owned by institutional investors, who hold approximately 40.0% of total shares outstanding. Company insiders own approximately 35.34%, while retail and public investors account for the remaining 24.61%.
The largest institutional shareholder of Berkshire Hathaway Inc. is VANGUARD GROUP INC, holding approximately 146.44 million shares — equal to 6.79% of outstanding shares — as of September 30, 2024.
A total of 4,193 institutional investors currently hold BRK-B stock, with a combined institutional value of approximately $392.75 billion as of the most recent 13F filing period.
Frequently asked questions
BRK-B ownershipBerkshire Hathaway Inc. (BRK-B) is primarily owned by institutional investors, who hold approximately 40.0% of shares. The largest shareholder is VANGUARD GROUP INC with a 6.79% stake. Company insiders hold 35.34%. Data sourced from SEC Form 13F as of September 30, 2024.