
THE YONKYU CO., LTD. — Investor Relations & Filings
THE YONKYU CO., LTD. is a comprehensive fishery company specializing in aquaculture. Its vertically integrated operations encompass the entire value chain, from the production and sale of feed and juvenile fish for cultivation to the farming, processing, and wholesale of fresh seafood. The company cultivates and markets a variety of fish, including sea bream, yellowtail, amberjack, tuna, and eel. A core competency is its advanced hatchery operations, which involve the artificial hatching of species like red sea bream and the successful rearing of eel larvae to the juvenile stage. This model supports the stable supply of safe and sustainable farmed fish. The company also operates a general cargo transportation business.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 確認書 | 2025-11-14 | Japanese | |
| 半期報告書-第52期(2025/04/01-2025/09/30) | 2025-11-14 | Japanese | |
| 臨時報告書 | 2025-06-23 | Japanese | |
| 内部統制報告書-第51期(2024/04/01-2025/03/31) | 2025-06-23 | Japanese | |
| 有価証券報告書-第51期(2024/04/01-2025/03/31) | 2025-06-23 | Japanese | |
| 確認書 | 2025-06-23 | Japanese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2025
6 filings
| |||||
| 8306987 | 確認書 | 2025-11-14 | Japanese | ||
| 8306968 | 半期報告書-第52期(2025/04/01-2025/09/30) | 2025-11-14 | Japanese | ||
| 7253987 | 臨時報告書 | 2025-06-23 | Japanese | ||
| 7253985 | 内部統制報告書-第51期(2024/04/01-2025/03/31) | 2025-06-23 | Japanese | ||
| 7253982 | 有価証券報告書-第51期(2024/04/01-2025/03/31) | 2025-06-23 | Japanese | ||
| 7253977 | 確認書 | 2025-06-23 | Japanese | ||
|
2024
8 filings
| |||||
| 7295347 | 確認書 | 2024-11-14 | Japanese | ||
| 7295344 | 半期報告書-第51期(2024/04/01-2025/03/31) | 2024-11-14 | Japanese | ||
| 7327891 | 臨時報告書 | 2024-06-25 | Japanese | ||
| 7327885 | 確認書 | 2024-06-25 | Japanese | ||
| 7327880 | 内部統制報告書-第50期(2023/04/01-2024/03/31) | 2024-06-25 | Japanese | ||
| 7327884 | 有価証券報告書-第50期(2023/04/01-2024/03/31) | 2024-06-25 | Japanese | ||
| 7349811 | 確認書 | 2024-02-14 | Japanese | ||
| 7349797 | 四半期報告書-第50期第3四半期(2023/10/01-2023/12/31) | 2024-02-14 | Japanese | ||
|
2023
1 filing
| |||||
| 7370869 | 確認書 | 2023-11-14 | Japanese | ||
Market data
Market data not available
Price history
Peer group · Marine aquaculture
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THE YONKYU 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/12389/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=12389 | 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=12389 | 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=12389 \ -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": 12389}, 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 THE YONKYU CO., LTD. (id: 12389)"
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