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Red Reef Advisors’s Quantum-Si Incorporated QSI Stock Holding History

Red Reef Advisors’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
Q1 		$7.74K Hold
10,000
– – 0.01% 166
2025
Q4 		$11K Buy
+10,000
New +$16.3K 0.01% 156

Other funds holding QSI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
NAMA
Nikko Asset Management Americas New York $7.07B AUM 50.91% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $154B AUM 29.96% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Red Reef Advisors's QSI Position: Q1 2026 in Review

Red Reef Advisors held its Quantum-Si Incorporated (QSI) position steady in Q1 2026 at 10,000 shares worth $7.74K. The position accounts for 0.01% of the portfolio, ranked #166.

Red Reef Advisors first reported a position in QSI in Q4 2025 and has held it in 2 quarters since. The position peaked at $11K in Q4 2025. 156 funds tracked by Wall St. Rank hold QSI as of Q1 2026.

  • Red Reef Advisors held 10,000 shares of Quantum-Si Incorporated worth $7.74K as of Q1 2026.
  • Red Reef Advisors left its Quantum-Si Incorporated share count unchanged in Q1 2026.
  • Quantum-Si Incorporated made up 0.01% of Red Reef Advisors's portfolio in Q1 2026, its #166 holding.
  • Red Reef Advisors first reported a position in Quantum-Si Incorporated in Q4 2025 and has held it in 2 quarters since.
  • Red Reef Advisors's Quantum-Si Incorporated position peaked at $11K in Q4 2025.
  • 156 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q1 2026.

Based on Red Reef Advisors's 13F filing for Q1 2026, filed 12 May 2026.