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 |
|---|---|---|
| 2026-08-14 | Material event report | S100YWRI |
| 2026-05-20 | Material event report | S100Y5C0 |
| 2025-12-23 | Material event report | S100XCHU |
| 2025-12-23 | Material event report | S100XCHK |
| 2025-01-30 | Material event report | S100V5LC |
| 2024-12-20 | Material event report | S100UZPM |
| 2024-12-20 | Material event report | S100UZKW |
EDINET catalog 2017-01-01 → 2026-10-03; earlier dates still being collected.