If you've never seen those claims, I envy you.
Relevant:
"there is no black collective wealth, just as there is no white collective wealth. ...imagine a white nurse down on her luck and in danger of eviction trying to dip into the collective pot of white wealth for a subsidy, or maybe texting Elon Musk to pitch in." —Adolph Reed
"despite assertions that the “racial” wealth gap is the most pressing concern for the race, nearly eighty percent of that wealth gap is concentrated among the richest ten percent of blacks and whites, and half of both blacks and whites have no wealth whatsoever." —Adolph Reed