Quants Research Institute Holdings
9552.TTSE PRIMEServices
Filed as M&A Research Institute Inc. (2022-08–2023-02), M&A Research Institute Holdings Inc. (2023-05–2026-01)
In English · 8
Fri, Aug 14 · JST1 filing
15:30MATERIALQuants Research Institute Holdings · Change in parent company or specified subsidiaryTue, Jun 9 · JST1 filing
13:565% STAKEQuants Research Institute Holdings · Arcus Investment Limited Director/Executive Director Edward Cartwright · 5.01% → 3.99%−1.02ppWed, Apr 15 · JST1 filing
11:175% STAKEQuants Research Institute Holdings · SHUNSAKU SAGAMI · 52.82% → 57.91%+5.09ppFri, Feb 27 · JST1 filing
16:005% STAKEQuants Research Institute Holdings · SHUNSAKU SAGAMI · 52.82% → 57.91%+5.09ppFri, Jan 16 · JST1 filing
14:065% STAKEQuants Research Institute Holdings · Arcus Investment Limited Director/Executive Director Edward Cartwright · 5.01%new 5.01%Tue, Dec 23 · JST1 filing
15:31MATERIALQuants Research Institute Holdings · Event with a material impact on financial positionThu, Jan 30 · JST1 filing
15:32MATERIALQuants Research Institute Holdings · Change in parent company or specified subsidiaryFri, Dec 20 · JST1 filing
15:30MATERIALQuants Research Institute Holdings · Event with a material impact on financial positionAll EDINET filings · 68
| Filed | Document | Source |
|---|---|---|
| 2026-10-01 | Share buyback report | S100Z5S2 |
| 2026-09-01 | Share buyback report | S100YZYI |
| 2026-08-03 | Share buyback report | S100YTSK |
| 2026-07-01 | Share buyback report | S100YO6W |
| 2026-06-02 | Share buyback report | S100Y7ZT |
| 2026-05-15 | CEO/CFO certification | S100Y47R |
| 2026-01-05 | Internal control report | S100XE0O |
| 2026-01-05 | CEO/CFO certification | S100XE07 |
| 2025-10-01 | Share buyback report | S100WSLF |
| 2025-05-12 | CEO/CFO certification | S100VQ2I |
| 2024-12-20 | Internal control report | S100UZDH |
| 2024-12-20 | CEO/CFO certification | S100UZDG |
| 2024-05-13 | CEO/CFO certification | S100TEVG |
| 2024-02-13 | CEO/CFO certification | S100SU6D |
| 2023-12-25 | Internal control report | S100SJ3E |
| 2023-12-22 | CEO/CFO certification | S100SJ1X |
| 2022-12-23 | CEO/CFO certification | S100PV2A |
| 2022-12-23 | Internal control report | S100PV29 |
| 2022-06-20 | Amended securities registrationRelated to S100O3XO | S100OASI |
| 2022-06-10 | Amended securities registrationRelated to S100O3XO | S100O83L |
| 2022-05-24 | Securities registration | S100O3XO |
EDINET catalog 2017-01-01 → 2026-10-03; earlier dates still being collected.