Hamilton James, Exec. VC, Director at Blackstone Group, holds 0.00 shares in Blackstone Group (Ticker: BX), holds ― shares in SilverCrest Asset Management (Ticker: SAMG), holds 56.10K shares in Costco (Ticker: COST). Most recently, Hamilton James Sold ― shares of Blackstone Group on Dec 07, 2021 for an estimated value of 1.21B.