DNA Chip Reserch Inc.
2397株式会社ＤＮＡチップ研究所
Financial statements appear when the company's next annual securities report is processed.
Segments, votes and tender offers
Stated in EDINET filings/v1/companies/2397/tender-offersOwnership changes
All companies →- 2025-06-06
Mizuho Securities Co., Ltd. raised holdings in DNA Chip Reserch Inc. (2397) to 7.22% from 6.20%.
- 2025-04-22
Mizuho Securities Co., Ltd. disclosed a 6.20% stake in DNA Chip Reserch Inc. (2397), crossing the 5% reporting threshold.
- 2025-04-21
Tokai Tokyo Securities Co., Ltd. cut holdings in DNA Chip Reserch Inc. (2397) to 0.00% from 7.68%, below the 5% threshold.
- 2025-04-08
Mitsui Chemicals, Inc. states it may make proposals to the management of DNA Chip Reserch Inc. (2397) (new compared with its previous filing).
- 2025-04-08
Mitsui Chemicals, Inc. raised holdings in DNA Chip Reserch Inc. (2397) to 68.08% from 13.85%.
- 2025-04-08
Holdings of Mitsui Chemicals, Inc. in DNA Chip Reserch Inc. (2397) moved above 20% (13.85% -> 68.08%).
- 2025-04-08
Holdings of Mitsui Chemicals, Inc. in DNA Chip Reserch Inc. (2397) moved above 33.4% (13.85% -> 68.08%).
- 2025-04-08
Holdings of Mitsui Chemicals, Inc. in DNA Chip Reserch Inc. (2397) moved above 50% (13.85% -> 68.08%).
- 2025-02-20
Tokai Tokyo Securities Co., Ltd. disclosed a 7.68% stake in DNA Chip Reserch Inc. (2397), crossing the 5% reporting threshold.
- 2024-03-29
Mitsui Chemicals, Inc. raised holdings in DNA Chip Reserch Inc. (2397) to 13.85% from 8.24%.
Trades by 5% holders
From the 60-day trade tables in 5% reports| Holder | Period | Net shares | Net % of shares | Avg. filed price | Range |
|---|---|---|---|---|---|
| 三井化学株式会社 | 2023-02-21 – 2025-04-07 | +4,606,986 | +68.59pt | ¥995.55 | ¥535–1,100 |
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/2397/trades.
5% filings
Large shareholding reports on 2397| Filed | Filer | Stake | Change | Stated purpose |
|---|---|---|---|---|
| 2025-06-06 | Mizuho Securities Co., Ltd. | 7.22% | +1.02pt | — |
| 2025-04-22 | Mizuho Securities Co., Ltd. | 6.20% | — | — |
| 2025-04-21 | Tokai Tokyo Securities Co., Ltd. | 0.00% | −7.68pt | — |
| 2025-04-08 | Mitsui Chemicals, Inc. | 68.08% | +54.23pt | may make proposals |
| 2025-02-20 | Tokai Tokyo Securities Co., Ltd. | 7.68% | — | — |
| 2024-03-29 | Mitsui Chemicals, Inc. | 13.85% | +5.61pt | business alliance strategic holding |
| 2023-12-13 | Mitsui Chemicals, Inc. | 8.24% | 0.00pt | business alliance strategic holding |
| 2023-02-22 | Mitsui Chemicals, Inc. | 8.24% | — | business alliance strategic holding |
Cross-shareholdings
From the annual report's status of shareholdingsHeld by: Mitsui Chemicals, Inc. 4183
Purposes, all holdings and mutual flags via /v1/companies/2397/cross-holdings. Share changes include stock splits.
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GET /v1/companies/2397
GET /v1/companies/2397/financials
GET /v1/companies/2397/details
GET /v1/companies/2397/segments
GET /v1/companies/2397/voting
GET /v1/companies/2397/tender-offers
GET /v1/companies/2397/indicators
GET /v1/companies/2397/earnings-releases
GET /v1/events?ticker=2397
GET /v1/companies/2397/trades
GET /v1/companies/2397/cross-holdings
GET /v1/companies/2397/brief