BlackRock Inc., the world's largest asset manager, acquired a stake in Quantum Computing Inc. during the second quarter. Regulatory filings published August 28, 2026, revealed the purchase. BlackRock bought over 17.7 million shares. These shares were valued at approximately $172 million. The acquisition represents a 7.86% ownership stake in the company.

The acquisition followed Quantum Computing's report of increased second-quarter revenue. The company's revenue reached $5.55 million. Quantum Computing also reported a growing contract backlog. Other 13F filings showed new or increased positions from additional institutional investors during the same period. These transactions occurred in the quarter ending June 30.