Rigaku Holdings
268A.TTSE PRIMEPrecision Instruments
In English · 18
Thu, Oct 1 · JST1 filing
12:00MATERIALRigaku Holdings · Change in major shareholderWed, Sep 2 · JST1 filing
17:00MATERIALRigaku Holdings · Change in major shareholderThu, Aug 13 · JST1 filing
09:515% STAKERigaku Holdings · Atom Investment, L.P. · 27.28% → 0.29%−26.99ppWed, Aug 12 · JST2 filings
17:00MATERIALRigaku Holdings · Change in major shareholder09:01MATERIALRigaku Holdings · Change in major shareholderFri, Aug 7 · JST1 filing
09:205% STAKERigaku Holdings · Columbia Management Investment Advisers, LLC + 1 joint holder · 9.61% → 10.76%+1.15ppMon, Jun 29 · JST1 filing
15:485% STAKERigaku Holdings · Atom Investment, L.P. · 28.95% → 27.28%−1.67ppMon, Jun 8 · JST1 filing
10:165% STAKERigaku Holdings · Atom Investment, L.P. · 42.02% → 28.95%−13.07ppWed, Apr 22 · JST1 filing
13:115% STAKERigaku Holdings · Onto Innovation Inc. · 27.00%new 27.00%Tue, Apr 21 · JST1 filing
09:00MATERIALRigaku Holdings · Rigaku Holdings Corporation files extraordinary reportWed, Feb 25 · JST1 filing
15:30MATERIALRigaku Holdings · Event with a material impact on financial positionThu, Dec 18 · JST1 filing
09:00MATERIALRigaku Holdings · Event with a material impact on financial positionWed, Feb 19 · JST1 filing
15:00MATERIALRigaku Holdings · Event with a material impact on financial positionFri, Nov 29 · JST1 filing
14:525% STAKERigaku Holdings · Hikaru Shimura · 13.29% → 12.09%−1.20ppTue, Nov 26 · JST1 filing
15:185% STAKERigaku Holdings · Atom Investment, L.P. · 46.76% → 42.23%−4.53ppFri, Nov 22 · JST1 filing
15:00MATERIALRigaku Holdings · Change in parent company or specified subsidiaryFri, Nov 1 · JST1 filing
11:395% STAKERigaku Holdings · Atom Investment, L.P. · 46.76%new 46.76%Mon, Oct 28 · JST1 filing
13:305% STAKERigaku Holdings · Hikaru Shimura · 14.16%new 14.16%All EDINET filings · 55
| Filed | Document | Source |
|---|---|---|
| 2026-10-02 | Large shareholding reportRelated to S100Y09J | S100Z5ZP |
| 2026-10-01 | Material event report | S100Z5C3 |
| 2026-09-09 | Amended large shareholding reportAmends S100Z0VX | S100Z12F |
| 2026-09-09 | Large shareholding reportRelated to S100YECV | S100Z15M |
| 2026-09-08 | Large shareholding reportRelated to S100UL1N | S100Z0VX |
| 2026-09-02 | Material event report | S100YZUW |
| 2026-08-27 | Large shareholding reportRelated to S100UL1N | S100YYU1 |
| 2026-08-14 | Half-year report | S100YWTA |
| 2026-08-14 | CEO/CFO certification | S100YWTB |
| 2026-08-13 | Large shareholding reportRelated to S100UL46 | S100YSDG |
| 2026-08-12 | Material event report | S100YVY4 |
| 2026-08-12 | Material event report | S100YVXM |
| 2026-08-07 | Large shareholding reportRelated to S100YECV | S100YUZ2 |
| 2026-07-06 | Large shareholding reportRelated to S100YECV | S100YOOM |
| 2026-06-29 | Large shareholding reportRelated to S100UL46 | S100YMEV |
| 2026-06-19 | Large shareholding report | S100YECV |
| 2026-06-08 | Large shareholding reportRelated to S100UL1N | S100Y75X |
| 2026-06-08 | Large shareholding reportRelated to S100UL46 | S100Y8D1 |
| 2026-06-08 | Amended material event reportAmends S100Y5X7 | S100Y9C3 |
| 2026-06-01 | Amended material event reportAmends S100Y5X7 | S100Y7Y5 |
| 2026-05-22 | Material event report | S100Y5X7 |
| 2026-04-24 | Large shareholding reportRelated to S100UL46 | S100Y0PM |
| 2026-04-22 | Large shareholding report | S100Y09J |
| 2026-04-21 | Material event report | S100XZXC |
| 2026-03-30 | Material event report | S100XVA9 |
| 2026-03-25 | Material event report | S100XTTP |
| 2026-03-24 | Internal control report | S100XT07 |
| 2026-03-24 | CEO/CFO certification | S100XT08 |
| 2026-03-24 | Annual report | S100XTB1 |
| 2026-02-25 | Material event report | S100XN14 |
EDINET catalog 2017-01-01 → 2026-10-03; earlier dates still being collected.