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 |
|---|---|---|
| 2025-09-19 | Large shareholding report | S100WPW1 |
| 2025-05-12 | Half-year report | S100VQ2D |
| 2025-05-12 | CEO/CFO certification | S100VQ2I |
| 2025-04-08 | Large shareholding report | S100VKXO |
| 2025-03-07 | Large shareholding report | S100VC9H |
| 2025-02-07 | Large shareholding report | S100V6G5 |
| 2025-01-30 | Material event report | S100V5LC |
| 2024-12-20 | Material event report | S100UZPM |
| 2024-12-20 | Internal control report | S100UZDH |
| 2024-12-20 | CEO/CFO certification | S100UZDG |
| 2024-12-20 | Annual report | S100UZNC |
| 2024-12-20 | Material event report | S100UZKW |
| 2024-08-15 | Amended large shareholding reportAmends S100T1SY | S100U7ZN |
| 2024-05-13 | CEO/CFO certification | S100TEVG |
| 2024-05-13 | Quarterly report | S100TE12 |
| 2024-05-09 | Large shareholding reportRelated to S100T7WI | S100TD9B |
| 2024-04-05 | Large shareholding report | S100T7WI |
| 2024-03-25 | Amended large shareholding reportAmends S100T1SY | S100T3E9 |
| 2024-03-19 | Large shareholding report | S100T1SY |
| 2024-02-13 | Quarterly report | S100SU66 |
| 2024-02-13 | CEO/CFO certification | S100SU6D |
| 2024-01-04 | Large shareholding report | S100SK4K |
| 2023-12-25 | Internal control report | S100SJ3E |
| 2023-12-22 | CEO/CFO certification | S100SJ1X |
| 2023-12-22 | Annual report | S100SJ0Q |
| 2023-11-22 | Large shareholding report | S100SBFH |
| 2023-08-14 | Quarterly report | S100ROYL |
| 2023-07-04 | Large shareholding reportRelated to S100OKS2 | S100RB43 |
| 2023-05-12 | Quarterly report | S100QQSL |
| 2023-02-13 | Quarterly report | S100Q6TD |
EDINET catalog 2017-01-01 → 2026-10-03; earlier dates still being collected.