According to this article in Fortune about Fidelity, “the firm began dabbling in blockchain, including mining Bitcoin at its offices since 2014.”  

If they built up $100,000 by November 2015 this would be the value now (real value would most likely be higher as it was at lower prices during 2014 and 2015 while being mined). https://image.nostr.build/89093892a13f40ffd3351cc02a7d5dc8d0d32185f8ceb9b9a6d6660e57a86c64.jpg https://image.nostr.build/e6f15bdedf9affc27b1bf44caf93b3cc3fcfc8d760a191159aa079df34066629.jpg