BERKSHIRE HATHAWAY INC — Investor Relations & Filings
Filings indexed
1,239
across all filing types
Latest filing
2026-05-04
Interim / Quarterly Rep…
Country
US
United States of America
Listing
US
BRK-B
Berkshire Hathaway Inc. is a multinational conglomerate holding company that oversees and manages a diverse portfolio of subsidiary companies. Its principal business activities are centered around insurance and reinsurance, which generate significant investment funds, or "float." The company's major non-insurance operations include one of North America's largest freight rail transportation businesses and a portfolio of utility and energy companies involved in generation and distribution. Additionally, Berkshire Hathaway wholly owns a wide array of manufacturing, service, and retailing businesses. The company also maintains a substantial portfolio of equity investments in publicly traded corporations.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 10-Q - BERKSHIRE HATHAWAY INC (0001067983) (Filer) | 2026-05-04 | English | |
| 8-K - BERKSHIRE HATHAWAY INC (0001067983) (Filer) | 2026-04-16 | English | |
| 424B5 - BERKSHIRE HATHAWAY INC (0001067983) (Filer) | 2026-04-14 | English | |
| FWP - BERKSHIRE HATHAWAY INC (0001067983) (Subject) | 2026-04-10 | English | |
| 4 - BERKSHIRE HATHAWAY INC (0001067983) (Issuer) | 2026-03-28 | English | |
| 4 - BERKSHIRE HATHAWAY INC (0001067983) (Issuer) | 2026-03-19 | English |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
11 filings
| |||||
| 40853755 | 10-Q - BERKSHIRE HATHAWAY INC (0001067983) (Filer) | 2026-05-04 | English | ||
| 34650399 | 8-K - BERKSHIRE HATHAWAY INC (0001067983) (Filer) | 2026-04-16 | English | ||
| 34500141 | 424B5 - BERKSHIRE HATHAWAY INC (0001067983) (Filer) | 2026-04-14 | English | ||
| 34021495 | FWP - BERKSHIRE HATHAWAY INC (0001067983) (Subject) | 2026-04-10 | English | ||
| 33067516 | 4 - BERKSHIRE HATHAWAY INC (0001067983) (Issuer) | 2026-03-28 | English | ||
| 32990048 | 4 - BERKSHIRE HATHAWAY INC (0001067983) (Issuer) | 2026-03-19 | English | ||
| 32886816 | 8-K - BERKSHIRE HATHAWAY INC (0001067983) (Filer) | 2026-03-02 | English | ||
| 32886836 | 10-K - BERKSHIRE HATHAWAY INC (0001067983) (Filer) | 2026-03-02 | English | ||
| 32886814 | 4 - BERKSHIRE HATHAWAY INC (0001067983) (Filer) | 2026-02-17 | English | ||
| 27093083 | SCHEDULE 13G/A Filing | 2026-02-05 | English | ||
| 27092936 | 8-K/A Filing | 2026-01-06 | English | ||
|
2025
4 filings
| |||||
| 11093780 | S-8 POS | 2025-12-23 | English | ||
| 11093781 | 8-K | 2025-12-11 | English | ||
| 11093782 | 8-K | 2025-11-21 | English | ||
| 11093783 | 424B5 | 2025-11-18 | English | ||
Market data
Market data not available
Last price
Market cap
volume
Day range
today
52-week range
trailing
Price history
Peer group · Reinsurance
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
General Insurance Corporation of India
Global reinsurance provider offering risk transfer solution…
|
GICRE | IN | Financial and insurance activit… |
|
GREENLIGHT CAPITAL RE, LTD.
A specialist property and casualty reinsurance company offe…
|
GLRE | KY | Financial and insurance activit… |
|
Hamilton Insurance Group, Ltd.
A global underwriter of specialty insurance and reinsurance…
|
HG | BM | Financial and insurance activit… |
|
Hannover Rueck SE
A global reinsurance group offering Property & Casualty and…
|
HNR1 | DE | Financial and insurance activit… |
|
HELIOS UNDERWRITING PLC
Investment vehicle providing access to a portfolio of Lloyd…
|
HUW | GB | Financial and insurance activit… |
|
International General Insurance Holdings Ltd.
A specialist commercial insurer and reinsurer underwriting …
|
IGIC | US | Financial and insurance activit… |
|
IRB - BRASIL RESSEGUROS S.A.
Reinsurance provider offering risk management and coverage …
|
— | BR | Financial and insurance activit… |
|
Kestrel Group Ltd
Specialty insurance platform offering fronting and reinsura…
|
KG | KN | Financial and insurance activit… |
|
Korean Reinsurance Company
A global reinsurer offering life and non-life reinsurance a…
|
003690 | KR | Financial and insurance activit… |
|
Maiden Holdings, Ltd.
A holding company providing specialty reinsurance products …
|
MHLA | BM | Financial and insurance activit… |
BERKSHIRE HATHAWAY INC via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/29740/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=29740 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=29740 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=29740 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 29740}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for BERKSHIRE HATHAWAY INC (id: 29740)"
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