Jefferies Financial Group
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Jefferies Financial Group’s Quantum-Si Incorporated QSI Stock Holding History

Jefferies Financial Group’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
Q3 		– Sell
-11,350
Closed -$10K – 1711
2026
Q2 		$10K Buy
+11,350
New +$10.8K ﹤0.01% 1615
2025
Q3 		– Sell
-20,000
Closed -$39.2K – 1635
2025
Q2 		$39.2K Sell
20,000
-63,031
-76% -$93.2K ﹤0.01% 1206
2025
Q1 		$100K Buy
+83,031
New +$159K ﹤0.01% 1467
2024
Q4 		– Sell
-10,941
Closed -$9.7K – 1800
2024
Q3 		$9.7K Buy
+10,941
New +$10.6K ﹤0.01% 1387

Other funds holding QSI

Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $174B AUM 33.96% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Fosun International
Fosun International Hong Kong, China $369M AUM 6.93% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $483B AUM 41.26% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $184B AUM 51.71% 1-Year Est. Return
Verdence Capital Advisors
Verdence Capital Advisors Hunt Valley, Maryland $2.35B AUM 27.25% 1-Year Est. Return
AlphaCore Capital
AlphaCore Capital La Jolla, California $6.24B AUM 19.96% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $500B AUM 36.84% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

Jefferies Financial Group's QSI Position: Q3 2026 in Review

Jefferies Financial Group sold out of Quantum-Si Incorporated (QSI) in Q3 2026, closing a stake of 11,350 shares — an estimated $10K sold.

Jefferies Financial Group first reported a position in QSI in Q3 2024 and held it in 4 quarters. The position peaked at $100K in Q1 2025. 57 funds tracked by Wall St. Rank hold QSI as of Q3 2026.

  • Jefferies Financial Group reported no remaining Quantum-Si Incorporated position as of Q3 2026 after selling out during the quarter.
  • Jefferies Financial Group sold 11,350 Quantum-Si Incorporated shares in Q3 2026, an estimated $10K.
  • Jefferies Financial Group first reported a position in Quantum-Si Incorporated in Q3 2024 and held it in 4 quarters.
  • Jefferies Financial Group's Quantum-Si Incorporated position peaked at $100K in Q1 2025.
  • 57 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q3 2026.

Based on Jefferies Financial Group's 13F filing for Q3 2026, filed 5 Nov 2026.