Who owns Nationwide?

[1nvest]

Nationwide BS proclaim

We're a building society, or mutual, owned by our members. That's anyone who banks, saves or has a mortgage with us. We're run for their benefit and to help the communities around us. We're not run for shareholders in the same way that banks are

But you can buy shares in NBS.

[Alaric]

But you can buy shares in NBS.

Not ordinary shares giving ownership and voting rights. Permanent Income Bearing Shares (PIBS) which presumably is what you refer to are a perpetual loan to the Building Society - like Preference Shares in a Company.