Most who call themselves "Jєωιѕн" today are not semitic, which is ironic because that is the buzz word (anti-semitic) thrown around anytime any one speaks against "Jєωs" or Israel.
The vast majority of those who claim to be "Jєωιѕн" that are in positions of power are αѕнкenαzι, which ironically again, was abbreviated by the "Jєωs" themselves to refer to the NSDAP (nαzι) as a derogatory slang term. Much like when Americans called Japanese "Japs" during the war.
So it all depends on the individual that is being talked about. The great majority who claim to be Jєωιѕн are not racially Jєωιѕн. The racial ones are indeed semitic, but they are few and far between. The majority of ones I see who wear yarmulkes in public don't look Mediterranean at all, but people accept them as being "authentic". It's really quite amusing.