GAMMA Investing’s Quantum-Si Incorporated QSI Stock Holding History

GAMMA Investing’s Portfolio QSI Stock Details QSI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q3	$181	Sell	169 -1,204	-88%	-$965	﹤0.01%	4284
2026 Q2	$1.22K	Sell	1,373 -457	-25%	-$435	﹤0.01%	3835
2026 Q1	$1.42K	Sell	1,830 -5,161	-74%	-$5.35K	﹤0.01%	3758
2025 Q4	$7.69K	Buy	+6,991	New	+$11.4K	﹤0.01%	3100

Other funds holding QSI

GAA

Green Alpha Advisors Niwot, Colorado $148M AUM 98.22% 1-Year Est. Return

DIM

DLK Investment Management Solana Beach, California $275M AUM 10.69% 1-Year Est. Return

BSB

Bangor Savings Bank Bangor, Maine $1.31B AUM 12.25% 1-Year Est. Return

GAMMA Investing's QSI Position: Q3 2026 in Review

GAMMA Investing reduced its Quantum-Si Incorporated (QSI) stake by 88% in Q3 2026, selling an estimated $965 and leaving 169 shares worth $181. The position accounts for ﹤0.01% of the portfolio, ranked #4284.

GAMMA Investing first reported a position in QSI in Q4 2025 and has held it in 4 quarters since. The position peaked at $7.69K in Q4 2025. 4 funds tracked by Wall St. Rank hold QSI as of Q3 2026.

GAMMA Investing held 169 shares of Quantum-Si Incorporated worth $181 as of Q3 2026.
GAMMA Investing sold 1,204 Quantum-Si Incorporated shares in Q3 2026, an estimated $965.
Quantum-Si Incorporated made up ﹤0.01% of GAMMA Investing's portfolio in Q3 2026, its #4284 holding.
GAMMA Investing first reported a position in Quantum-Si Incorporated in Q4 2025 and has held it in 4 quarters since.
GAMMA Investing's Quantum-Si Incorporated position peaked at $7.69K in Q4 2025.
4 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q3 2026.

Based on GAMMA Investing's 13F filing for Q3 2026, filed 8 Oct 2026.