BERKSHIRE HATH-B (BRK) — research page
CH · ch-cm-kg/SIX/BRK · as of 2026-11-06
Identity and listing
The issuer is BERKSHIRE HATH-B, listed on SIX under ticker BRK, with ISIN US0846707026 and LEI 5493000C01ZX7D35SD85. Its security type is Corporate (foreign ISIN, SIX line), and its jurisdiction is US-DE. Segment is not on the record, and sector is not on the record because the SIX feed returns an empty ICB industry for this line. Its listing status is listed, not halted.
| field | value | source · read date |
|---|---|---|
| name | BERKSHIRE HATH-B | source · 2026-11-06 |
| exchange | SIX | source · 2026-11-06 |
| ticker | BRK | source · 2026-11-06 |
| ISIN | US0846707026 | source · 2026-11-06 |
| LEI | 5493000C01ZX7D35SD85 | source · 2026-11-09 |
| security type | Corporate (foreign ISIN, SIX line) | source · 2026-11-06 |
| segment | not on the record | |
| sector | not on the record | |
| jurisdiction | US-DE | source · 2026-11-06 |
| status | listed, not halted | source · 2026-11-09 |
The disclosure read
The record holds 0 filings in the window 2025-11-06 to 2026-11-06, across 0 filing days, and no filing type breakdown. The median gap between filing days is not on the record, and no latest filing date or latest filing type is on the record. The exchange median cadence gap is 29.5 days across 607 SIX issuers, the exchange median filing count is 0, and the exchange median latency is 14 days. Sector peer figures are not on the record for CH.
| filings | median gap between filing days | days from latest filing to as-of | |
|---|---|---|---|
| this issuer | 0 | — | — |
| exchange median: SIX (607 issuers) | 0 | 29.5 | 14 |
window 2025-11-06 to 2026-11-06 · the node's disclosure lines, as get_filings serves them
Auditor
The auditor of record is not on the record. The record carries the annual report link only, and this is a source link, not a read. The auditor's location is not on the record, and auditor changes are not on the record because this register has no lifecycle type map.
Events and halts
Listing, delisting, name change, domicile change and segment move are not on the record because this register has no lifecycle type map. The halt flag shows listed, not halted.
Orderability
Under rule version acm-68000/ch/finsa-product-duties/r1, with the chapter as of 2026-11-04, the signal ACM-200 is determinable for Privatkundinnen und -kunden, professionelle Kunden and institutionelle Kunden.
| client category | outcome |
|---|---|
| Privatkundinnen und -kunden | ACM-200 |
| institutionelle Kunden | ACM-200 |
| professionelle Kunden | ACM-200 |
rule acm-68000/ch/finsa-product-duties/r1 · chapter as of 2026-11-04 · the full outcome: get_orderability
Coverage
No research houses were found on the issuer's investor-relations page, so the count is 0.
Open research
No openly published research notes were found, so the count is 0.
Licensed
Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.
| licensor | entitlement | title | date | source |
|---|---|---|---|---|
| none loaded |
As-of depth
The market's vintage is not sealed. No issuer years are sealed, the market's earliest sealed date is not on the record, and the live record began is not on the record.
Sources
7 source pages are named on this page; every value above carries its own source page and read date in the numbers.
- 10.1
- https://www.six-group.com/en/products-services/the-swiss-stock-exchange/market-data/shares/share-explorer.html (identity.exchange)
- 10.2
- https://api.gleif.org/api/v1/lei-records/5493000C01ZX7D35SD85 (identity.jurisdiction)
- 10.3
- https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei)
- 10.4
- https://mcp.ch-cm-kg.ai/events/SIX/BRK (the disclosure lines)
- 10.5
- https://www.ser-ag.com/sheldon/official_notices/v2/find.json ; https://www.bxswiss.com/suspensions (the halt flag)
- 10.6
- https://mcp.ch-cm-kg.ai/book/aio.json (the orderability chapter)
- 10.7
- https://mcp.ch-cm-kg.ai/record/SIX/BRK (the record)
Read it by agent
The same page, signed and receipted: get_research at https://mcp.getresearch.ai/mcp with {"isin":"US0846707026"}. Twins: .md · .json. Written: Claude through the platform account, Haiku class; one pass; checked against the numbers. Page hash sha256:fed6048f62a29896.