---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-272204"
form_type: "8-K"
ticker: "BRK-B"
cik: "0001067983"
company_name: "BERKSHIRE HATHAWAY INC"
filed_at: "2023-11-07T23:59:59+00:00"
generated_at: "2026-06-08T13:14:07.298818+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Berkshire posts Q3 GAAP loss of $12.8B on $24.1B unrealized losses; operating earnings up 41% to $10.8B

## Summary
- Q3 net loss of $12.8B ($8,824/Class A share) vs $2.8B loss last year; operating earnings rose to $10.8B from $7.7B.
- Insurance-underwriting swung to $2.4B profit from $1.1B loss; insurance investment income grew 75% to $2.5B.
- Utilities & energy earnings fell 69% to $0.5B; railroad earnings edged down to $1.2B from $1.4B.
- Share repurchases totaled $1.1B in Q3 and $7.0B YTD; insurance float reached $167B, up $3B from year-end.
- First nine months operating earnings $28.9B vs $24.2B; GAAP net income $58.6B vs loss of $40.8B a year ago.

## SEC filing metadata
- accession: 0001193125-23-272204
- form_type: 8-K
- ticker: BRK-B
- cik: 0001067983
- company_name: BERKSHIRE HATHAWAY INC
- filed_at: 2023-11-07T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1067983/000119312523272204/0001193125-23-272204-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1067983/000119312523272204/d564412d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-272204
- JSON: https://secwatch.observer/filing/0001193125-23-272204.json
- Plain text: https://secwatch.observer/filing/0001193125-23-272204.txt

## Key facts
- Earnings Releases
  BERKSHIRE HATHAWAY INC reported first nine months ended September 30, 2023 results: net income $ 58,649 million, EPS $ 40,422 per Class A share; $ 26.95 per Class B share.
  - Period: first nine months ended September 30, 2023
  - Net income: $ 58,649 million
  - EPS: $ 40,422 per Class A share; $ 26.95 per Class B share
  - Result: reported results
  source text: Net earnings (losses) attributable to Berkshire shareholders $ (12,767 ) $ (2,798 ) $ 58,649 $ (40,839 )
  evidence_url: https://www.sec.gov/Archives/edgar/data/1067983/000119312523272204/0001193125-23-272204-index.htm
- Earnings Releases
  BERKSHIRE HATHAWAY INC reported financial results for third quarter ended September 30, 2023.
  - Period: third quarter ended September 30, 2023
  - Result: reported results
  source text: Net earnings (losses) attributable to Berkshire shareholders $ (12,767 ) $ (2,798 ) $ 58,649 $ (40,839 )
  evidence_url: https://www.sec.gov/Archives/edgar/data/1067983/000119312523272204/0001193125-23-272204-index.htm
- Earnings Releases
  BERKSHIRE HATHAWAY INC reported financial results for third quarter ended September 30, 2023.
  - Period: third quarter ended September 30, 2023
  - Result: reported results
  source text: Operating earnings 10,761 7,651 28,869 24,228
  evidence_url: https://www.sec.gov/Archives/edgar/data/1067983/000119312523272204/0001193125-23-272204-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.