W.R. Berkley (WRB) discloses 7.7% Quantumsphere Acquisition stake
W. R. Berkley Corporation, via its subsidiary Berkley Insurance Company, reported beneficial ownership of 881,402 Class A ordinary shares of Quantumsphere Acquisition Corp, representing 7.7% of the outstanding Class A shares, in an ownership filing. The shares carry shared voting and shared dispositive power, with sole voting and dispositive power reported as zero.



