Commonwealth Equity Services’s Quantum-Si Incorporated QSI Stock Holding History

Commonwealth Equity Services's QSI Position: Q2 2026 in Review

Commonwealth Equity Services reduced its Quantum-Si Incorporated (QSI) stake by 9% in Q2 2026, selling an estimated $2.56K and leaving 27,100 shares worth $24K. The position accounts for ﹤0.01% of the portfolio, ranked #4347.

Commonwealth Equity Services first reported a position in QSI in Q1 2021 and has held it in 13 quarters since. The position peaked at $289K in Q1 2021. 141 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

• Commonwealth Equity Services held 27,100 shares of Quantum-Si Incorporated worth $24K as of Q2 2026.
• Commonwealth Equity Services sold 2,692 Quantum-Si Incorporated shares in Q2 2026, an estimated $2.56K.
• Quantum-Si Incorporated made up ﹤0.01% of Commonwealth Equity Services's portfolio in Q2 2026, its #4347 holding.
• Commonwealth Equity Services first reported a position in Quantum-Si Incorporated in Q1 2021 and has held it in 13 quarters since.
• Commonwealth Equity Services's Quantum-Si Incorporated position peaked at $289K in Q1 2021.
• 141 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

Based on Commonwealth Equity Services's 13F filing for Q2 2026, filed 29 Jul 2026.