KOKEN BORING MACHINE CO., LTD.
6297鉱研工業株式会社
Financial statements appear when the company's next annual securities report is processed.
Segments, votes and tender offers
Stated in EDINET filings/v1/companies/6297/tender-offersOwnership changes
All companies →- 2025-08-08
EnBio Holdings,Inc cut holdings in KOKEN BORING MACHINE CO., LTD. (6297) to 0.00% from 8.55%, below the 5% threshold.
- 2025-08-07
Mizuho Bank,Ltd. cut holdings in KOKEN BORING MACHINE CO., LTD. (6297) to 0.00% from 5.39%, below the 5% threshold.
- 2025-08-06
Rakuten Securities Inc cut holdings in KOKEN BORING MACHINE CO., LTD. (6297) to 0.08% from 6.69%, below the 5% threshold.
- 2025-08-05
Hitachi Construction Machinery Co., Ltd. cut holdings in KOKEN BORING MACHINE CO., LTD. (6297) to 0.00% from 8.73%, below the 5% threshold.
- 2025-08-01
individual filer cut holdings in KOKEN BORING MACHINE CO., LTD. (6297) to 0.00% from 6.09%, below the 5% threshold.
- 2025-07-30
Hulic Co.,Ltd. states it may make proposals to the management of KOKEN BORING MACHINE CO., LTD. (6297) (first filing).
- 2025-07-30
Hulic Co.,Ltd. disclosed a 80.07% stake in KOKEN BORING MACHINE CO., LTD. (6297), crossing the 5% reporting threshold.
- 2025-07-30
Holdings of Hulic Co.,Ltd. in KOKEN BORING MACHINE CO., LTD. (6297) moved above 10% (new -> 80.07%).
- 2025-07-30
Holdings of Hulic Co.,Ltd. in KOKEN BORING MACHINE CO., LTD. (6297) moved above 20% (new -> 80.07%).
- 2025-07-30
Holdings of Hulic Co.,Ltd. in KOKEN BORING MACHINE CO., LTD. (6297) moved above 33.4% (new -> 80.07%).
Trades by 5% holders
From the 60-day trade tables in 5% reports| Holder | Period | Net shares | Net % of shares | Avg. filed price | Range |
|---|---|---|---|---|---|
| individual filer | 2022-06-13 – 2025-07-30 | -593,300 | −6.62pt | ¥536 | ¥536–536 |
| ヒューリック株式会社 | 2025-06-09 – 2025-07-29 | +7,181,954 | +80.07pt | ¥764 | ¥535–764 |
| 日立建機株式会社 | 2023-08-21 – 2025-07-29 | -983,000 | −10.96pt | ¥495 | ¥495–495 |
| 株式会社エンバイオ・ホールディングス | 2025-07-29 – 2025-07-29 | -767,000 | −8.55pt | — | — |
Net shares and the average are our calculations. Prices are filed prices as stated by the filer, mostly for off-market trades; they are not market prices. Stock lending, custody transfers and option exercises are excluded from net shares. Every row via /v1/companies/6297/trades.
5% filings
Large shareholding reports on 6297| Filed | Filer | Stake | Change | Stated purpose |
|---|---|---|---|---|
| 2025-08-08 | EnBio Holdings,Inc | 0.00% | −8.55pt | — |
| 2025-08-07 | Mizuho Bank,Ltd. | 0.00% | −5.39pt | — |
| 2025-08-06 | Rakuten Securities Inc | 0.08% | −6.61pt | — |
| 2025-08-05 | Hitachi Construction Machinery Co., Ltd. | 0.00% | −8.73pt | — |
| 2025-08-01 | individual filer | 0.00% | −6.09pt | — |
| 2025-07-30 | Hulic Co.,Ltd. | 80.07% | — | may make proposals |
| 2025-07-23 | Rakuten Securities Inc | 6.69% | — | — |
| 2025-07-22 | EnBio Holdings,Inc | 8.55% | 0.00pt | business alliance strategic holding |
| 2025-07-18 | EnBio Holdings,Inc | 8.55% | — | business alliance strategic holding |
| 2025-07-07 | Mizuho Bank,Ltd. | 5.39% | — | — |
Cross-shareholdings
From the annual report's status of shareholdingsHeld by: EnBio Holdings,Inc 6092, NAGAOKA INTERNATIONAL CORPORATION 6239, Hitachi Construction Machinery Co., Ltd. 6305
Purposes, all holdings and mutual flags via /v1/companies/6297/cross-holdings. Share changes include stock splits.
Get this as JSON
GET /v1/companies/6297
GET /v1/companies/6297/financials
GET /v1/companies/6297/details
GET /v1/companies/6297/segments
GET /v1/companies/6297/voting
GET /v1/companies/6297/tender-offers
GET /v1/companies/6297/indicators
GET /v1/companies/6297/earnings-releases
GET /v1/events?ticker=6297
GET /v1/companies/6297/trades
GET /v1/companies/6297/cross-holdings
GET /v1/companies/6297/brief