The current institutional shareholding score of International Business Machines Corp is 5.00, ranking 221 out of 489 in the Software & IT Services industry. The latest institutional shareholding proportion is 65.27%, representing a quarter-over-quarter increase of 1.63%. The largest institutional shareholder is ETHSX, holding a total of 4.98M shares, representing 0.56% of shares outstanding, with 2541.51% increase in holdings.