
YAMAU HOLDINGS CO., LTD. — Investor Relations & Filings
YAMAU HOLDINGS CO., LTD. is a holding company operating as a comprehensive solutions partner for infrastructure development. The group's core business involves the engineering, manufacturing, and sale of a wide range of concrete products for civil applications. It also specializes in the design, construction, and maintenance of water gates and weirs. Through its subsidiary companies, operations extend to geological surveys, infrastructure maintenance services, the provision of information system equipment, and the manufacturing of expansion joints for roads and bridges. The company leverages synergies between its group companies to provide integrated technical solutions for various infrastructure projects.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 自己株券買付状況報告書(法24条の6第1項に基づくもの) | 2026-01-14 | Japanese | |
| 自己株券買付状況報告書(法24条の6第1項に基づくもの) | 2025-12-10 | Japanese | |
| 自己株券買付状況報告書(法24条の6第1項に基づくもの) | 2025-11-13 | Japanese | |
| 確認書 | 2025-11-13 | Japanese | |
| 半期報告書-第69期(2025/04/01-2026/03/31) | 2025-11-13 | Japanese | |
| 自己株券買付状況報告書(法24条の6第1項に基づくもの) | 2025-10-16 | Japanese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
1 filing
| |||||
| 12653633 | 自己株券買付状況報告書(法24条の6第1項に基づくもの) | 2026-01-14 | Japanese | ||
|
2025
10 filings
| |||||
| 9749270 | 自己株券買付状況報告書(法24条の6第1項に基づくもの) | 2025-12-10 | Japanese | ||
| 8272197 | 自己株券買付状況報告書(法24条の6第1項に基づくもの) | 2025-11-13 | Japanese | ||
| 8272178 | 確認書 | 2025-11-13 | Japanese | ||
| 8272167 | 半期報告書-第69期(2025/04/01-2026/03/31) | 2025-11-13 | Japanese | ||
| 8026179 | 自己株券買付状況報告書(法24条の6第1項に基づくもの) | 2025-10-16 | Japanese | ||
| 7855828 | 自己株券買付状況報告書(法24条の6第1項に基づくもの) | 2025-09-12 | Japanese | ||
| 7249111 | 臨時報告書 | 2025-06-26 | Japanese | ||
| 7251193 | 内部統制報告書-第68期(2024/04/01-2025/03/31) | 2025-06-25 | Japanese | ||
| 7251179 | 確認書 | 2025-06-25 | Japanese | ||
| 7251158 | 有価証券報告書-第68期(2024/04/01-2025/03/31) | 2025-06-25 | Japanese | ||
|
2024
4 filings
| |||||
| 7298611 | 確認書 | 2024-11-13 | Japanese | ||
| 7298612 | 半期報告書-第68期(2024/04/01-2025/03/31) | 2024-11-13 | Japanese | ||
| 7327647 | 臨時報告書 | 2024-06-26 | Japanese | ||
| 7327622 | 内部統制報告書-第67期(2023/04/01-2024/03/31) | 2024-06-26 | Japanese | ||
Market data
Market data not available
Price history
Peer group · Construction of other civil engineering projects
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|
Avax S.A.
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|
AVAX | GR | Construction |
YAMAU HOLDINGS CO., LTD. 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/11526/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=11526 | 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=11526 | 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=11526 \ -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": 11526}, 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 YAMAU HOLDINGS CO., LTD. (id: 11526)"
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