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 |
|---|---|---|---|
| 剰余金の配当に関するお知らせ | 2026-05-22 | Japanese | |
| 役員人事内定に関するお知らせ | 2026-05-08 | Japanese | |
| 配当予想の修正に関するお知らせ | 2026-05-08 | Japanese | |
| 2026年3月期 決算説明資料 | 2026-05-08 | Japanese | |
| 2026年３月期 決算短信〔日本基準〕（連結） | 2026-05-08 | 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） | 2026-01-14 | Japanese |
Browse filings by year
12 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
6 filings
| |||||
| 46780801 | 剰余金の配当に関するお知らせ | 2026-05-22 | Japanese | ||
| 46881933 | 役員人事内定に関するお知らせ | 2026-05-08 | Japanese | ||
| 46881931 | 配当予想の修正に関するお知らせ | 2026-05-08 | Japanese | ||
| 46881930 | 2026年3月期 決算説明資料 | 2026-05-08 | Japanese | ||
| 46881926 | 2026年３月期 決算短信〔日本基準〕（連結） | 2026-05-08 | Japanese | ||
| 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
9 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 | ||
Market data
Market data not available
Price history
Peer group · Construction of other civil engineering projects
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|---|---|---|---|
|
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Develops and manages civil engineering and urban infrastruc…
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ACTIVEINFR | IN | Construction |
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Afcons Infrastructure Limited
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AFCONS | IN | Construction |
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Affluent Foundation Holdings Limited
Provides specialized foundation and civil engineering, incl…
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1757 | HK | Construction |
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AF Gruppen
Contractor for civil engineering, construction, property, e…
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AFG | NO | Construction |
|
AGRA Inc.
Specialized engineering and construction firm for industria…
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— | CA | Construction |
|
AHMAD ZAKI RESOURCES BHD
Investment holding company and contractor for civil and str…
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— | MY | Construction |
|
Anhui Construction Engineering Group Corporation Limited
Provides engineering, construction, and infrastructure serv…
|
600502 | CN | Construction |
|
ARK RESOURCES HOLDINGS BERHAD
Investment holding and management services for a group spec…
|
— | MY | Construction |
|
ARTSON LIMITED
EPC firm specializing in industrial infrastructure for oil,…
|
522134 | IN | Construction |
|
ASIA ALLIED INFRASTRUCTURE HOLDINGS LIMITED
Investment holding company focused on infrastructure, const…
|
711 | HK | 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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