Rigaku Holdings

268A.TTSE PRIMEPrecision Instruments
In English · 18
Thu, Oct 1 · JST1 filing
12:00MATERIALRigaku Holdings · Change in major shareholder
Wed, Sep 2 · JST1 filing
17:00MATERIALRigaku Holdings · Change in major shareholder
Thu, Aug 13 · JST1 filing
09:515% STAKERigaku Holdings · Atom Investment, L.P. · 27.28% → 0.29%−26.99pp
Wed, Aug 12 · JST2 filings
17:00MATERIALRigaku Holdings · Change in major shareholder09:01MATERIALRigaku Holdings · Change in major shareholder
Fri, Aug 7 · JST1 filing
09:205% STAKERigaku Holdings · Columbia Management Investment Advisers, LLC + 1 joint holder · 9.61% → 10.76%+1.15pp
Mon, Jun 29 · JST1 filing
15:485% STAKERigaku Holdings · Atom Investment, L.P. · 28.95% → 27.28%−1.67pp
Mon, Jun 8 · JST1 filing
10:165% STAKERigaku Holdings · Atom Investment, L.P. · 42.02% → 28.95%−13.07pp
Wed, Apr 22 · JST1 filing
13:115% STAKERigaku Holdings · Onto Innovation Inc. · 27.00%new 27.00%
Tue, Apr 21 · JST1 filing
09:00MATERIALRigaku Holdings · Rigaku Holdings Corporation files extraordinary report
Wed, Feb 25 · JST1 filing
15:30MATERIALRigaku Holdings · Event with a material impact on financial position
Thu, Dec 18 · JST1 filing
09:00MATERIALRigaku Holdings · Event with a material impact on financial position
Wed, Feb 19 · JST1 filing
15:00MATERIALRigaku Holdings · Event with a material impact on financial position
Fri, Nov 29 · JST1 filing
14:525% STAKERigaku Holdings · Hikaru Shimura · 13.29% → 12.09%−1.20pp
Tue, Nov 26 · JST1 filing
15:185% STAKERigaku Holdings · Atom Investment, L.P. · 46.76% → 42.23%−4.53pp
Fri, Nov 22 · JST1 filing
15:00MATERIALRigaku Holdings · Change in parent company or specified subsidiary
Fri, Nov 1 · JST1 filing
11:395% STAKERigaku Holdings · Atom Investment, L.P. · 46.76%new 46.76%
Mon, Oct 28 · JST1 filing
13:305% STAKERigaku Holdings · Hikaru Shimura · 14.16%new 14.16%
All EDINET filings · 55
FiledDocumentFilerSource
2026-01-14Share buyback reportRigakuhorudingusuS100XFDF
2025-12-18Material event reportRigakuhorudingusuS100XB98
2025-12-12Share buyback reportRigakuhorudingusuS100XA2J
2025-11-14Share buyback reportRigakuhorudingusuS100X4EB
2025-10-14Share buyback reportRigakuhorudingusuS100WUUA
2025-08-14Half-year reportRigakuhorudingusuS100WJ65
2025-08-14CEO/CFO certificationRigakuhorudingusuS100WJ6O
2025-04-02Material event reportRigakuhorudingusuS100VJXT
2025-03-27Internal control reportRigakuhorudingusuS100VHFW
2025-03-27Annual reportRigakuhorudingusuS100VHDH
2025-03-27CEO/CFO certificationRigakuhorudingusuS100VHFO
2025-02-19Material event reportRigakuhorudingusuS100V9RB
2025-01-22Large shareholding reportIndasukapitarupatonazueruerushiS100V4CU
2024-11-29Large shareholding reportRelated to S100UL1NShimura HikaruS100UUSP
2024-11-26Large shareholding reportRelated to S100UL46Atom Investment, L.P.S100UUEL
2024-11-22Material event reportRigakuhorudingusuS100UTI3
2024-11-19Amended large shareholding reportAmends S100UL1NShimura HikaruS100UT23
2024-11-01Large shareholding reportAtom Investment, L.P.S100UL46
2024-10-28Large shareholding reportShimura HikaruS100UL1N
2024-10-17Amended securities registrationRelated to S100UEKDRigakuhorudingusuS100UJPM
2024-10-17Amended material event reportAmends S100UEKERigakuhorudingusuS100UJRD
2024-10-09Amended material event reportAmends S100UEKERigakuhorudingusuS100UID9
2024-10-09Amended securities registrationRelated to S100UEKDRigakuhorudingusuS100UID5
2024-09-20Material event reportRigakuhorudingusuS100UEKE
2024-09-20Securities registrationRigakuhorudingusuS100UEKD

EDINET catalog 2017-01-01 → 2026-10-03; earlier dates still being collected.