EquitiesBig investors required to provide specifics on changes they will seekJapan's financial watchdog has begun investigating all large shareholding reports disclosed after May 1. © ReutersKODAI MIHARAJuly 4, 2026 03:20 JSTTOKYO -- Japan's financial watchdog has begun investigating whether shareholders are providing enough information about their intentions when they report major positions in listed companies, Nikkei has learned.