The Novo Nordisk foundation has a $120 Billion endowment, the Bill & Melinda Gates Foundation has $50 Billion, the Welcome Trust has $42 Billion, ... There are about 19 charities that still have more than $10 Billion, let alone those who have raised (and spent) that during their existence.
https://en.wikipedia.org/wiki/List_of_wealthiest_charitable_...
> an uncommonly huge raise even among _for-profit_ companies where investors expect returns.
So, offer a return on investment. Charities that take loans pay interest. Charities that hire staff pay salaries. What's with this idea that charities cannot pay a reasonable market rate for services (e.g. short-term funding)?