Actually it's not a typical ICO as we are not collecting any money. You just commit funds for further investments.
Safety cap is based on how much NEU can be generated during ICBM process which is Max. 869 474 423 NEU

It's on the first page of this thread. You can also read more on our blog post: https://blog.neufund.org/announcing-the-neufund-icbm-dates-details-bounties-70a21a728c88

And see how ICBM is progressing here: https://icomonitor.io/#/0xf432cec23b2a0d6062b969467f65669de81f4653