Company: BRK-A
Filing Date: 2025-06-23
Form Type: 11-K
Source: 0001193125-25-144506
Chunk: 10

Company: BERKSHIRE HATHAWAY INC
Filing Date: 2025-06-23
Form: 11-K
Chunk 10
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 1 in the hierarchy. The cash equivalent portion is held in a money market fund and is also classified as Level 1 in the hierarchy.

(3) Common / collective trusts are valued based on the calculated net asset value of the respective investment entity.
Although the trusts themselves are not publicly traded, the underlying assets are traded on exchanges and on other markets, and price quotes for the assets held by these trusts are readily available. Additionally, the net asset value per share is
determined and published daily and is the basis for current transactions. These investments are classified as Level 2 in the hierarchy.

9

BURLINGTON NORTHERN SANTA FE INVESTMENT AND RETIREMENT PLAN Notes to Financial Statements (continued) The following table summarizes the Plan’s investments at fair and contract value as of December 31, 2024, based on the valuation inputs (in thousands):

|                                 |     |   |     | Total |           |     |   |     | Level 1 
 Inputs  |         |     |   |     | Level 2 
 Inputs  |           |
|:--------------------------------|:----|:--|:----|:------|----------:|:----|:--|:----|:--------|--------:|:----|:--|:----|:--------|----------:|
| Mutual Funds                    |     | $ |     |       |   494,086 |     | $ |     |         | 494,086 |     | $ |     |         |         — |
| Company Stock Fund              |     |   |     |       |   247,772 |     |   |     |         | 247,772 |     |   |     |         |         — |
| Common / Collective Trusts      |     |   |     |       | 1,535,828 |     |   |     |         |       — |     |   |     |         | 1,535,828 |
| Total investments at fair value |     | $ |     |       | 2,277,686 |     | $ |     |         | 741,858 |     | $ |     |         | 1,535,828 |
| Investments at contract value   |     |   |     |       |   236,585 |     |   |     |         |         |     |   |     |         |           |
| Total investments               |     | $ |     |       |