No
Any outstanding shares that haven't been enough to purchase the next Jupiter would be refunded.
This would mean as it stands 9 jupiters would be bought with 270 shares. (17 being refunded)

Also bear in mind that the longer you leave it, the higher the chance you would be left on an outstanding order, so roll up roll up, don't miss out etc. 

Seriously, I think Soniq has worked hard to secure investment for all the outstanding shares, so I don't think it will happen anyway.