Susquehanna International Group’s Quantum-Si Incorporated QSI Stock Holding History
Bought
Maintained
Sold
Other funds holding QSI
VCM
AIM
NAMA
VPM
Susquehanna International Group's QSI Position: Q1 2026 in Review
Susquehanna International Group reduced its Quantum-Si Incorporated (QSI) stake by 37% in Q1 2026, selling an estimated $894K and leaving 1,464,568 shares worth $1.13M. The position accounts for ﹤0.01% of the portfolio, ranked #7556.
Susquehanna International Group first reported a position in QSI in Q1 2021 and has held it in 21 quarters since. The position peaked at $2.88M in Q3 2025. 157 funds tracked by Wall St. Rank hold QSI as of Q1 2026.
- Susquehanna International Group held 1,464,568 shares of Quantum-Si Incorporated worth $1.13M as of Q1 2026.
- Susquehanna International Group sold 863,217 Quantum-Si Incorporated shares in Q1 2026, an estimated $894K.
- Quantum-Si Incorporated made up ﹤0.01% of Susquehanna International Group's portfolio in Q1 2026, its #7556 holding.
- Susquehanna International Group first reported a position in Quantum-Si Incorporated in Q1 2021 and has held it in 21 quarters since.
- Susquehanna International Group's Quantum-Si Incorporated position peaked at $2.88M in Q3 2025.
- 157 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q1 2026.
Based on Susquehanna International Group's 13F filing for Q1 2026, filed 15 May 2026.