According to Astellas Pharma's large shareholding reports, BlackRock Japan Co., Ltd.'s ownership stake had risen to 2.24% as of 20 January 2026, with 40,502,700 shares held. Multiple changes in the company's ownership stake have been disclosed in the past.
On 20 January 2026, BlackRock Japan Co., Ltd. filed a change report, raising its ownership stake to 2.24%, with its shareholding reaching 40,502,700 shares. Accordingly, the company's latest large shareholding report was made public.
On 17 October 2025, BlackRock Japan Co., Ltd. filed a change report, reporting an ownership stake of 2.16% and a shareholding of 39,099,400 shares. Compared with information from before May, minor changes in the number of shares held and the ownership stake have been observed.
On 19 September 2025, a change report filed by Sumitomo Mitsui Trust Asset Management Co., Ltd. reported an ownership stake of 3.23% and a shareholding of 58,376,140 shares.
On 18 September 2025, a change report filed by BlackRock Japan Co., Ltd. reported an ownership stake of 2.19% and a shareholding of 39,542,300 shares.
On 20 May 2025, a change report filed by BlackRock Japan Co., Ltd. reported an ownership stake of 2.31% and a shareholding of 41,761,600 shares.