BERKSHIRE HATHAWAY INC — Investor Relations & Filings
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 |
|---|---|---|---|
| Major Shareholding Notification 2025 | 2025-11-15 | English | |
| Regulatory Filings 2025 | 2025-11-14 | English | |
| FWP | 2025-11-14 | English | |
| 4 | 2025-11-12 | English | |
| Major Shareholding Notification 2025 | 2025-11-12 | English | |
| 424B5 | 2025-11-06 | English |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2025
15 filings
| |||||
| 11093784 | Major Shareholding Notification 2025 | 2025-11-15 | English | ||
| 11093785 | Regulatory Filings 2025 | 2025-11-14 | English | ||
| 11093786 | FWP | 2025-11-14 | English | ||
| 11093787 | 4 | 2025-11-12 | English | ||
| 11093788 | Major Shareholding Notification 2025 | 2025-11-12 | English | ||
| 11093790 | 424B5 | 2025-11-06 | English | ||
| 11093791 | 4 | 2025-11-05 | English | ||
| 11093793 | 8-K | 2025-11-03 | English | ||
| 11093794 | 10-Q | 2025-11-03 | English | ||
| 11093795 | PRIMARY DOCUMENT | 2025-10-25 | English | ||
| 11093796 | 8-K | 2025-10-03 | English | ||
| 11093797 | SD | 2025-09-29 | English | ||
| 11093798 | PRIMARY DOCUMENT | 2025-09-27 | English | ||
| 11093799 | PRIMARY DOCUMENT | 2025-09-26 | English | ||
| 11093800 | Regulatory Filings 2025 | 2025-08-14 | English | ||
Market data
Market data not available
Price history
Peer group · Reinsurance
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
ARCH CAPITAL GROUP LTD.
A global provider of specialty insurance, reinsurance, and …
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ACGL | BM | Financial and insurance activit… |
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ASPEN INSURANCE HOLDINGS LTD
A specialty insurance and reinsurance company providing sol…
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AHL | BM | Financial and insurance activit… |
|
AXIS CAPITAL HOLDINGS LTD
A global provider of specialty insurance and reinsurance so…
|
AXS | US | Financial and insurance activit… |
|
Bosna Reosiguranje d.d. Sarajevo
Reinsurance company offering life and non-life services, sp…
|
BSRSRK2 | BA | Financial and insurance activit… |
|
Brookfield Wealth Solutions Ltd.
An investment-led insurance firm offering retirement and we…
|
BNT | BM | Financial and insurance activit… |
|
CENTRAL REINSURANCE CORPORATION
Provides comprehensive property and life reinsurance servic…
|
2851 | TW | Financial and insurance activit… |
|
China Reinsurance (Group) Corporation
Asia's largest reinsurer and a top ten global player provid…
|
1508 | CN | Financial and insurance activit… |
|
Conduit Holdings Limited
A pure-play, multi-line reinsurer offering Property, Casual…
|
CRE | BM | Financial and insurance activit… |
|
EVEREST GROUP, LTD.
A global provider of property, casualty, and specialty rein…
|
EG | BM | Financial and insurance activit… |
|
Fidelis Insurance Holdings Ltd
A global specialty insurer and reinsurer focused on underwr…
|
FIHL | 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)"
Report missing filing
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