IMC Chicago
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IMC Chicago’s Quantum-Si Incorporated QSI Stock Holding History

IMC Chicago’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 		$232K Buy
261,800
+12,400
+5% +$11.8K ﹤0.01% 5511
2026
Q1 		$193K Sell
249,400
-67,900
-21% -$70.4K ﹤0.01% 5039
2025
Q4 		$349K Buy
317,300
+109,800
+53% +$179K ﹤0.01% 3712
2025
Q3 		$293K Buy
207,500
+58,500
+39% +$84.6K ﹤0.01% 3419
2025
Q2 		$292K Sell
149,000
-45,300
-23% -$67K ﹤0.01% 3119
2025
Q1 		$233K Buy
+194,300
New +$372K ﹤0.01% 3011

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

IMC Chicago's QSI Position: Q2 2026 in Review

IMC Chicago increased its Quantum-Si Incorporated (QSI) stake by 29% in Q2 2026, buying an estimated $61.8K and bringing the position to 285,758 shares worth $253K. The position accounts for ﹤0.01% of the portfolio, ranked #5404.

IMC Chicago first reported a position in QSI in Q3 2025 and has held it in 3 quarters since. The position peaked at $261K in Q3 2025. 141 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

  • IMC Chicago held 285,758 shares of Quantum-Si Incorporated worth $253K as of Q2 2026.
  • IMC Chicago bought 64,882 Quantum-Si Incorporated shares in Q2 2026, an estimated $61.8K.
  • Quantum-Si Incorporated made up ﹤0.01% of IMC Chicago's portfolio in Q2 2026, its #5404 holding.
  • IMC Chicago first reported a position in Quantum-Si Incorporated in Q3 2025 and has held it in 3 quarters since.
  • IMC Chicago's Quantum-Si Incorporated position peaked at $261K in Q3 2025.
  • 141 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

Based on IMC Chicago's 13F filing for Q2 2026, filed 6 Aug 2026.