Fortitude Family Office LLC’s holdings in BlackRock were worth $887,000 at the end of the most recent reporting period. GSB Wealth Management LLC bought a new position in BlackRock during the second quarter valued at about $231,000. BlackRock Stock PerformanceBLK stock opened at $1,135.87 on Tuesday. Insider Transactions at BlackRockIn other BlackRock news, Director Rachel Lord sold 18,036 shares of BlackRock stock in a transaction dated Friday, July 25th. Also, Director J. Richard Kushel sold 17,142 shares of BlackRock stock in a transaction dated Wednesday, July 30th.