The phenomenon of shareholder corporations

...Thirdly, a major change is emerging in the rapid progress of share dispersion, which was seen mainly in large companies. This is the decline in the shareholding ratio of individual (mass) shareholders and the increase in the shareholding ratio of institutional shareholders (the phenomenon of shareholder incorporation), which is accompanied by the reconcentration of shares. The decline in the shareholding ratio of individual shareholders should naturally be expected from the second situation above. ...

*Some of the terminology used in reference to the "shareholder incorporation phenomenon" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…　第3に，大企業中心にみられた株式分散の急速な進行に大きな変化が現れている。それは，個人(大衆)株主の持株比率の低下と，機関株主の持株比率の上昇(株主法人化現象)，それにともなう株式再集中化の現象である。個人株主の持株比率の低下は，上記第2の状況から当然想定されうるはずである。…

※「株主法人化現象」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報