Sumitomo Mitsui Trust Group
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Sumitomo Mitsui Trust Group’s Quantum-Si Incorporated QSI Stock Holding History

Sumitomo Mitsui Trust 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 		$3.97M Sell
3,713,430
-171,800
-4% -$138K ﹤0.01% 732
2026
Q2 		$3.44M Sell
3,885,230
-506,436
-12% -$482K ﹤0.01% 761
2026
Q1 		$3.4M Sell
4,391,666
-299,054
-6% -$310K ﹤0.01% 743
2025
Q4 		$5.16M Sell
4,690,720
-526,779
-10% -$857K ﹤0.01% 729
2025
Q3 		$7.36M Sell
5,217,499
-403,804
-7% -$584K ﹤0.01% 699
2025
Q2 		$11M Sell
5,621,303
-190,127
-3% -$281K 0.01% 668
2025
Q1 		$6.97M Sell
5,811,430
-153,778
-3% -$295K ﹤0.01% 712
2024
Q4 		$16.1M Sell
5,965,208
-1,582,704
-21% -$1.85M 0.01% 667
2024
Q3 		$6.66M Sell
7,547,912
-315,249
-4% -$306K ﹤0.01% 741
2024
Q2 		$8.26M Sell
7,863,161
-191,342
-2% -$307K 0.01% 722
2024
Q1 		$15.9M Sell
8,054,503
-478,414
-6% -$836K 0.01% 735
2023
Q4 		$17.2M Hold
8,532,917
– – 0.01% 723
2023
Q3 		$14.2M Buy
8,532,917
+6,905,932
+424% +$16.6M 0.01% 743
2023
Q2 		$2.91M Buy
1,626,985
+502,283
+45% +$787K ﹤0.01% 885
2023
Q1 		$1.98M Sell
1,124,702
-61,418
-5% -$121K ﹤0.01% 914
2022
Q4 		$2.17M Sell
1,186,120
-82,651
-7% -$213K ﹤0.01% 928
2022
Q3 		$3.49M Sell
1,268,771
-817
-0.1% -$2.61K ﹤0.01% 883
2022
Q2 		$2.94M Buy
+1,269,588
New +$4.86M ﹤0.01% 913
2022
Q1 		– Sell
-1,307,420
Closed -$10.3M – 1226
2021
Q4 		$10.3M Sell
1,307,420
-17,064
-1% -$128K 0.01% 769
2021
Q3 		$11M Buy
1,324,484
+63,856
+5% +$629K 0.01% 769
2021
Q2 		$15.5M Buy
+1,260,628
New +$13.2M 0.01% 749

Other funds holding QSI

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
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 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
Winton Group
Winton Group London, United Kingdom $2.58B AUM 26.15% 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

Sumitomo Mitsui Trust Group's QSI Position: Q3 2026 in Review

Sumitomo Mitsui Trust Group reduced its Quantum-Si Incorporated (QSI) stake by 4.4% in Q3 2026, selling an estimated $138K and leaving 3,713,430 shares worth $3.97M. The position accounts for ﹤0.01% of the portfolio, ranked #732.

Sumitomo Mitsui Trust Group first reported a position in QSI in Q2 2021 and has held it in 21 quarters since. The position peaked at $17.2M in Q4 2023. 63 funds tracked by Wall St. Rank hold QSI as of Q3 2026.

  • Sumitomo Mitsui Trust Group held 3,713,430 shares of Quantum-Si Incorporated worth $3.97M as of Q3 2026.
  • Sumitomo Mitsui Trust Group sold 171,800 Quantum-Si Incorporated shares in Q3 2026, an estimated $138K.
  • Quantum-Si Incorporated made up ﹤0.01% of Sumitomo Mitsui Trust Group's portfolio in Q3 2026, its #732 holding.
  • Sumitomo Mitsui Trust Group first reported a position in Quantum-Si Incorporated in Q2 2021 and has held it in 21 quarters since.
  • Sumitomo Mitsui Trust Group's Quantum-Si Incorporated position peaked at $17.2M in Q4 2023.
  • 63 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q3 2026.

Based on Sumitomo Mitsui Trust Group's 13F filing for Q3 2026, filed 29 Oct 2026.