Rigaku Holdings
268A.TTSE PRIMEPrecision Instruments
Major holders (5%+) · 4
| Holder | Stake |
|---|---|
| Onto Innovation Japan Co., Ltd. | 26.98% |
| Columbia Management Investment Advisers, LLC | 10.76% |
| Hikaru Shimura | 9.48% |
| Indus Capital Partners, LLC | 5.55% |
Each holder's own ratio from its most recent large-shareholding report.
Former and minor holders (below 5%) · 4
| Asuka Corporation | 2.65% |
| Threadneedle Asset Management Limited | 0.37% |
| Atom Investment, L.P. | 0.29% |
| Onto Innovation Inc. | 0.00% |
Ownership history · 21
| Holder | Ratio | Change |
|---|---|---|
| Asuka Corporation2026-09-08 · amended | 2.65% | +2.65pp |
| Hikaru Shimura2026-09-08 · amended | 9.48% | -2.65pp |
| Threadneedle Asset Management Limited2026-06-19 · amended | 0.37% | +0.13pp |
| Columbia Management Investment Advisers, LLC2026-06-19 · amended | 11.48% | +0.96pp |
| Threadneedle Asset Management Limited2026-06-19 · amended | 0.24% | no change |
| Columbia Management Investment Advisers, LLC2026-06-19 · amended | 10.52% | +1.15pp |
| Threadneedle Asset Management Limited2026-06-19 · amended | 0.24% | new |
| Columbia Management Investment Advisers, LLC2026-06-19 · amended | 9.37% | new |
| Onto Innovation Inc.2026-04-22 · amended | 0.00% | new |
| Onto Innovation Japan Co., Ltd.2026-04-22 · amended | 26.98% | new |
| Indus Capital Partners, LLC2025-01-22 | 5.55% | new |
| Atom Investment, L.P.2024-11-01 · amended | 0.29% | -26.99pp |
| Atom Investment, L.P.2024-11-01 · amended | 27.28% | -1.67pp |
| Atom Investment, L.P.2024-11-01 · amended | 28.95% | -13.07pp |
| Atom Investment, L.P.2024-11-01 · amended | 42.02% | -0.21pp |
| Atom Investment, L.P.2024-11-01 · amended | 42.23% | new |
| Asuka Corporation2024-10-28 · amended | 0.00% | new |
| Hikaru Shimura2024-10-28 · amended | 12.13% | -0.01pp |
| Hikaru Shimura2024-10-28 · amended | 12.14% | +0.05pp |
| Hikaru Shimura2024-10-28 · amended | 12.09% | -1.20pp |
Each holder in 5% reports, joint holders included. Purpose is classified from the filed text.