
Berkshire Hathaway Inc.
Berkshire Hathaway Inc. (BRK-A) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · BRK-A · as of Sep 30, 2024
Ownership Breakdown
1,034
Institutional Holders
▲ 6 vs Q2
$71.79B
Total Inst. Value
▲ $8.46B vs Q2
1.44M
Shares Outstanding
freeFloat 80.54%
825,554
13F Shares Held
▲ 698,718 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-A largest shareholders · institutional ownership
Q3 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC fire, marine & casualty insurance | 691.2K | 48.10% | 48.10% | $1.00M | Oct 22, 2024 | ▲ 691.2K |
FMR LLC fire, marine & casualty insurance | 33.5K | 2.33% | 2.33% | $23.13T | Nov 13, 2024 | ▲ 34 |
FIRST MANHATTAN CO. LLC. fire, marine & casualty insurance | 14.7K | 1.02% | 1.02% | $10.15T | Nov 14, 2024 | ▼ 310 |
CI PRIVATE WEALTH, LLC fire, marine & casualty insurance | 9.1K | 63.36% | 63.36% | $203.21B | Nov 12, 2024 | ▲ 9.0K |
NORGES BANK fire, marine & casualty insurance | 8.8K | 61.27% | 61.27% | $6.09T | Nov 12, 2025 | ▲ 1.6K |
VISTA CAPITAL PARTNERS, INC. fire, marine & casualty insurance | 6.7K | 46.67% | 46.67% | $3.09B | Oct 31, 2024 | ▼ 31 |
VANGUARD GROUP INC fire, marine & casualty insurance | 3.8K | 26.52% | 26.52% | $2.63T | Nov 13, 2024 | ▲ 138 |
ENGLISH CAPITAL MANAGEMENT LLC fire, marine & casualty insurance | 3.5K | 24.29% | 24.29% | $1.61B | Nov 12, 2024 | ▲ 3.5K |
GARDNER RUSSO & QUINN LLC fire, marine & casualty insurance | 2.0K | 14.23% | 14.23% | $1.41T | Nov 13, 2024 | ▼ 69 |
PFLUG KOORY, LLC fire, marine & casualty insurance | 1.9K | 13.22% | 13.22% | $13.13B | Jan 15, 2025 | NEW |
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
12
Increased
+707.1K shares4
New Positions
first time holders21
Decreased
−1.9K shares0
Sold Out
fully exitedNet shares change (top 50)
+705.2K
+707.1K / −1.9K
Net new holders
-5
4 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-A 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-A) is primarily owned by institutional investors, who hold approximately 57.4% of total shares outstanding. Company insiders own approximately 19.46%, while retail and public investors account for the remaining 23.13%.
The largest institutional shareholder of Berkshire Hathaway Inc. is INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC, holding approximately 691,180 shares — equal to 48.10% of outstanding shares — as of September 30, 2024.
A total of 1,034 institutional investors currently hold BRK-A stock, with a combined institutional value of approximately $71.79 billion as of the most recent 13F filing period.
Frequently asked questions
BRK-A ownershipBerkshire Hathaway Inc. (BRK-A) is primarily owned by institutional investors, who hold approximately 57.4% of shares. The largest shareholder is INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC with a 48.10% stake. Company insiders hold 19.46%. Data sourced from SEC Form 13F as of September 30, 2024.