SG Americas Securities
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SG Americas Securities’s Quantum-Si Incorporated QSI Stock Holding History

SG Americas Securities’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 		$15K Sell
17,505
-16,172
-48% -$15.4K ﹤0.01% 3282
2026
Q1 		$26K Buy
33,677
+4,571
+16% +$4.74K ﹤0.01% 3081
2025
Q4 		$32K Sell
29,106
-13,001
-31% -$21.2K ﹤0.01% 3418
2025
Q3 		$59K Buy
42,107
+9,926
+31% +$14.3K ﹤0.01% 3177
2025
Q2 		$63K Sell
32,181
-7,898
-20% -$11.7K ﹤0.01% 2734
2025
Q1 		$48K Sell
40,079
-27,509
-41% -$52.7K ﹤0.01% 3256
2024
Q4 		$182K Buy
67,588
+7,470
+12% +$8.76K ﹤0.01% 2242
2024
Q3 		$53K Buy
+60,118
New +$58.4K ﹤0.01% 3237
2024
Q1 		– Sell
-17,341
Closed -$35K – 3352
2023
Q4 		$35K Sell
17,341
-29,225
-63% -$44.5K ﹤0.01% 2969
2023
Q3 		$77K Buy
+46,566
New +$112K ﹤0.01% 2856
2023
Q2 		– Sell
-51,312
Closed -$90K – 2993
2023
Q1 		$90K Buy
51,312
+17,409
+51% +$34.3K ﹤0.01% 2947
2022
Q4 		$62K Buy
33,903
+2,699
+9% +$6.95K ﹤0.01% 2816
2022
Q3 		$86K Sell
31,204
-5,561
-15% -$17.8K ﹤0.01% 2894
2022
Q2 		$85K Buy
+36,765
New +$141K ﹤0.01% 3174

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

SG Americas Securities's QSI Position: Q2 2026 in Review

SG Americas Securities reduced its Quantum-Si Incorporated (QSI) stake by 48% in Q2 2026, selling an estimated $15.4K and leaving 17,505 shares worth $15K. The position accounts for ﹤0.01% of the portfolio, ranked #3282.

SG Americas Securities first reported a position in QSI in Q2 2022 and has held it in 14 quarters since. The position peaked at $182K in Q4 2024. 141 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

  • SG Americas Securities held 17,505 shares of Quantum-Si Incorporated worth $15K as of Q2 2026.
  • SG Americas Securities sold 16,172 Quantum-Si Incorporated shares in Q2 2026, an estimated $15.4K.
  • Quantum-Si Incorporated made up ﹤0.01% of SG Americas Securities's portfolio in Q2 2026, its #3282 holding.
  • SG Americas Securities first reported a position in Quantum-Si Incorporated in Q2 2022 and has held it in 14 quarters since.
  • SG Americas Securities's Quantum-Si Incorporated position peaked at $182K in Q4 2024.
  • 141 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

Based on SG Americas Securities's 13F filing for Q2 2026, filed 7 Aug 2026.