A little history about Bitcoin.

[Korkorjkk]

Bitcoin was established by a group of people who want to remain anonymous and hence uses the name Satoshi Nakamoto in 2008. A lot of people have tried to impersonate them but their identity remains hidden. The coins in his wallet is still intact and has never been used for any transaction. In August 2008, the domain Bitcoin.org was registered by another anonymous person and in January 2009, Bitcoin mining began.

[yogg]

Bitcoin was established by a group of people who want to remain anonymous and hence uses the name Satoshi Nakamoto in 2008. A lot of people have tried to impersonate them but their identity remains hidden. The coins in his wallet is still intact and has never been used for any transaction. In August 2008, the domain Bitcoin.org was registered by another anonymous person and in January 2009, Bitcoin mining began.

We don't that for sure.
These are only speculations, given the identity of satoshi is unknown.
It could be an extra-terrestrial tech, for all we know.

The coins they mined are intact, never been spent, but do they hodl the private keys to these addresses ?

Anyway, there is a lot of mystery around bitcoin ... Except for the tech. Since it's open source, we know how it runs, hence the success..

[mk4]

What yogg said.

What's your source with Satoshi Nakamoto being a group? While definitely possible, we don't know that. It may be a he, or a she.. or an it..  *illuminati music playing*

[aplistir]

The coins they mined are intact, never been spent, but do they hodl the private keys to these addresses ?

Not all of them are intact. Satoshi did the first ever bitcoin transaction, 10BTC to Hal Finleys address. And Hal has used those coins.
Any other Satoshi-pattern coin has never been moved.

But those are just the Satoshi pattern coins. I bet he did mine some coins with another computer(s) too and is a rich man now.