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)
Major holders (5%+) · 1
| Holder | Stake |
|---|---|
| SHUNSAKU SAGAMI | 57.91% |
Each holder's own ratio from its most recent large-shareholding report.
Former and minor holders (below 5%) · 8
| Arcus Investment Limited Director/Executive Director Edward Cartwright | 3.99% |
| RHEOS CAPITAL WORKS Inc. | 3.80% |
| Asset Management One Co., Ltd. | 3.55% |
| Morgan Stanley & Co. LLC | 1.38% |
| Morgan Stanley & Co. International plc | 1.28% |
| Morgan Stanley MUFG Securities Co., Ltd. | 0.73% |
| Mizuho Securities Co., Ltd. | 0.03% |
| Asset Management One International Ltd. | 0.01% |
Ownership history · 39
| Holder | Ratio | Change |
|---|---|---|
| Morgan Stanley MUFG Securities Co., Ltd.2025-09-19 · amended | 1.20% | -1.53pp |
| Morgan Stanley & Co. International plc2025-09-19 · amended | 2.21% | +0.51pp |
| Morgan Stanley & Co. LLC2025-09-19 · amended | 0.99% | -0.05pp |
| Morgan Stanley & Co. International plc2025-09-19 · amended | 1.70% | -1.28pp |
| Morgan Stanley MUFG Securities Co., Ltd.2025-09-19 · amended | 2.73% | +1.14pp |
| Morgan Stanley & Co. LLC2025-09-19 · amended | 1.04% | +0.09pp |
| Morgan Stanley MUFG Securities Co., Ltd.2025-09-19 · amended | 1.59% | -1.33pp |
| Morgan Stanley & Co. International plc2025-09-19 · amended | 2.98% | +1.63pp |
| Morgan Stanley & Co. LLC2025-09-19 · amended | 0.95% | new |
| Morgan Stanley & Co. International plc2025-09-19 · amended | 1.35% | new |
| Morgan Stanley MUFG Securities Co., Ltd.2025-09-19 · amended | 2.92% | new |
| SHUNSAKU SAGAMI2025-04-08 | 52.82% | no change |
| RHEOS CAPITAL WORKS Inc.2025-03-07 | 3.80% | new |
| SHUNSAKU SAGAMI2025-02-07 | 52.82% | -0.67pp |
| Asset Management One International Ltd.2024-04-05 · amended | 0.01% | new |
| Mizuho Securities Co., Ltd.2024-04-05 · amended | 0.03% | new |
| Asset Management One Co., Ltd.2024-04-05 · amended | 3.55% | new |
| SHUNSAKU SAGAMI2024-03-19 · amended | 53.49% | no change |
| SHUNSAKU SAGAMI2024-03-19 · amended | 53.49% | new |
Each holder in 5% reports, joint holders included. Purpose is classified from the filed text.