If you donate 200 million in stock to a charity, do you get tax deductions based on that amount?

(Stock is appreciated and has been held for more than a year)
GoPro donated 500 million in stock to a charity. Do they get a tax deduction equal to that amount (or a % based on that amount?).
Asked Oct 06, 2014
Edited Oct 06, 2014
OMG. I apologize for being rude if this is rude, but ↓↓↓↓↓↓↓
1. Idk
2. I have a Q that needs to be answered now ASAP. I'll answer 1 of ur other q's if u answer it. Please?

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