How best to place the structure of the "contributors" of the investment project?

Question

User interface

In the personal account of the investment project, you need to place the structure of "contributors" in the form of a tree as clearly and conveniently as possible.
There are 2 options:
Horizontal

+ all information in plain sight, information and contacts buttons are available without unnecessary clicks
- difficult to read, difficult to understand the nesting
Vertical

+ current structure
is clear - information about the user is hidden
Which of the solutions is the most successful and convenient?

Answer 1

In option 1, the minus is far-fetched.

Answer 2

1 - ok
2 - horror

Answer 3

1 is better
2 is probably suitable for a mobile device
but 1 is better