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

Callan 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 		$10.7K Buy
+12,119
New +$11.5K ﹤0.01% 1225
2025
Q3 		– Sell
-10,379
Closed -$20.3K – 928
2025
Q2 		$20.3K Buy
+10,379
New +$15.4K ﹤0.01% 915

Other funds holding QSI

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AIM
ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
NAMA
Nikko Asset Management Americas New York $7.75B AUM 33.73% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

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

Callan Family Office opened a new position in Quantum-Si Incorporated (QSI) in Q2 2026: 12,119 shares worth $10.7K. The stake represents ﹤0.01% of the portfolio and ranks #1225 among its holdings. This is a return to the name: Callan Family Office previously reported a position in QSI as recently as Q2 2025.

Callan Family Office first reported a position in QSI in Q2 2025 and has held it in 2 quarters since. The position peaked at $20.3K in Q2 2025. 141 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

  • Callan Family Office held 12,119 shares of Quantum-Si Incorporated worth $10.7K as of Q2 2026.
  • Quantum-Si Incorporated was a new Callan Family Office position in Q2 2026.
  • Quantum-Si Incorporated made up ﹤0.01% of Callan Family Office's portfolio in Q2 2026, its #1225 holding.
  • Callan Family Office first reported a position in Quantum-Si Incorporated in Q2 2025 and has held it in 2 quarters since.
  • Callan Family Office's Quantum-Si Incorporated position peaked at $20.3K in Q2 2025.
  • 141 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

Based on Callan Family Office's 13F filing for Q2 2026, filed 11 Aug 2026.