The .club New gTLD had about 25,781 registrations after day 1 of general availability. I did a search and found that 65% or 16,702 of the corresponding .com domains are not registered.
5,415 from these 16,702 unregistered .com domains belong to that someone that registered 7,572 .club domain names spending more than $110k!
There are 9,079 registered domains in .com that correspond to .club domains. About 50% of them (4,600) were registered after 2010. I found that hugedomains.com owns about 500 of these 4,600 domains such as:
Some of the oldest .com domains that were registered in the 90s include:
Some random domains registered in .club but are free in .com are: