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Fortitude Family Office’s Quantum-Si Incorporated QSI Stock Holding History

Fortitude Family Office’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
Q2 		$1.1K Buy
+1,245
New +$1.19K ﹤0.01% 1718
2024
Q4 		– Sell
-1,462
Closed -$1.29K – 1365
2024
Q3 		$1.29K Buy
+1,462
New +$1.42K ﹤0.01% 1070

Other funds holding QSI

YIH
Y-Intercept (HK) Hong Kong $5.05B AUM 17.89% 1-Year Est. Return
Wealth Enhancement Advisory Services
Wealth Enhancement Advisory Services Plymouth, Minnesota $59.8B AUM 29.42% 1-Year Est. Return
Cambridge Investment Research Advisors
Cambridge Investment Research Advisors Fairfield, Iowa $43.3B AUM 29.3% 1-Year Est. Return
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.25% 1-Year Est. Return
CUAMC
China Universal Asset Management Company Shanghai, China $1.67B AUM 89% 1-Year Est. Return
WMA
Wealth Management Associates Cherry Hill, New Jersey $362M AUM 33.28% 1-Year Est. Return
MFG
Merit Financial Group Alpharetta, Georgia $16.4B AUM 25.17% 1-Year Est. Return
DIM
DLK Investment Management Solana Beach, California $235M AUM 12.41% 1-Year Est. Return
LSA
Leonteq Securities AG Zurich, Switzerland $2.91B AUM 56.5% 1-Year Est. Return
HAS
HBW Advisory Services Simi Valley, California $1.11B AUM 25.66% 1-Year Est. Return

Fortitude Family Office's QSI Position: Q2 2026 in Review

Fortitude Family Office opened a new position in Quantum-Si Incorporated (QSI) in Q2 2026: 1,245 shares worth $1.1K. The stake represents ﹤0.01% of the portfolio and ranks #1718 among its holdings. This is a return to the name: Fortitude Family Office previously reported a position in QSI as recently as Q3 2024.

Fortitude Family Office first reported a position in QSI in Q3 2024 and has held it in 2 quarters since. The position peaked at $1.29K in Q3 2024. 28 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

  • Fortitude Family Office held 1,245 shares of Quantum-Si Incorporated worth $1.1K as of Q2 2026.
  • Quantum-Si Incorporated was a new Fortitude Family Office position in Q2 2026.
  • Quantum-Si Incorporated made up ﹤0.01% of Fortitude Family Office's portfolio in Q2 2026, its #1718 holding.
  • Fortitude Family Office first reported a position in Quantum-Si Incorporated in Q3 2024 and has held it in 2 quarters since.
  • Fortitude Family Office's Quantum-Si Incorporated position peaked at $1.29K in Q3 2024.
  • 28 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

Based on Fortitude Family Office's 13F filing for Q2 2026, filed 20 Jul 2026.