QT
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Quantbot Technologies’s Quantum-Si Incorporated QSI Stock Holding History

Quantbot Technologies’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 		– Sell
-58,461
Closed -$45.2K – 2190
2026
Q1 		$45.2K Buy
+58,461
New +$60.6K ﹤0.01% 1426
2022
Q2 		– Sell
-500
Closed -$2K – 2056
2022
Q1 		$2K Sell
500
-1,594
-76% -$7.77K ﹤0.01% 1569
2021
Q4 		$16K Buy
2,094
+2,073
+9,871% +$15.6K ﹤0.01% 1251
2021
Q3 		$0 Sell
21
-1,179
-98% -$11.6K ﹤0.01% 1817
2021
Q2 		$14K Buy
+1,200
New +$12.6K ﹤0.01% 1270

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

Quantbot Technologies's QSI Position: Q2 2026 in Review

Quantbot Technologies sold out of Quantum-Si Incorporated (QSI) in Q2 2026, closing a stake of 58,461 shares — an estimated $45.2K sold.

Quantbot Technologies first reported a position in QSI in Q2 2021 and held it in 5 quarters. The position peaked at $45.2K in Q1 2026. 141 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

  • Quantbot Technologies reported no remaining Quantum-Si Incorporated position as of Q2 2026 after selling out during the quarter.
  • Quantbot Technologies sold 58,461 Quantum-Si Incorporated shares in Q2 2026, an estimated $45.2K.
  • Quantbot Technologies first reported a position in Quantum-Si Incorporated in Q2 2021 and held it in 5 quarters.
  • Quantbot Technologies's Quantum-Si Incorporated position peaked at $45.2K in Q1 2026.
  • 141 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

Based on Quantbot Technologies's 13F filing for Q2 2026, filed 12 Aug 2026.