UBS Group
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UBS Group’s Quantum-Si Incorporated QSI Stock Holding History

UBS 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
Q2 		$2.27M Buy
2,561,897
+859,370
+50% +$818K ﹤0.01% 5008
2026
Q1 		$1.32M Buy
1,702,527
+253,015
+17% +$262K ﹤0.01% 5333
2025
Q4 		$1.59M Buy
1,449,512
+944,653
+187% +$1.54M ﹤0.01% 5168
2025
Q3 		$712K Sell
504,859
-284,711
-36% -$412K ﹤0.01% 5831
2025
Q2 		$1.55M Buy
789,570
+339,888
+76% +$503K ﹤0.01% 5066
2025
Q1 		$540K Sell
449,682
-142,430
-24% -$273K ﹤0.01% 5800
2024
Q4 		$1.6M Buy
592,112
+542,946
+1,104% +$636K ﹤0.01% 4940
2024
Q3 		$43.4K Sell
49,166
-18,061
-27% -$17.5K ﹤0.01% 6910
2024
Q2 		$70.6K Sell
67,227
-35,933
-35% -$57.6K ﹤0.01% 6421
2024
Q1 		$203K Sell
103,160
-8,029
-7% -$14K ﹤0.01% 5843
2023
Q4 		$223K Buy
111,189
+50,964
+85% +$77.7K ﹤0.01% 5720
2023
Q3 		$100K Sell
60,225
-1,761
-3% -$4.24K ﹤0.01% 5833
2023
Q2 		$111K Buy
61,986
+22,355
+56% +$35K ﹤0.01% 5918
2023
Q1 		$69.8K Buy
39,631
+2,463
+7% +$4.86K ﹤0.01% 6180
2022
Q4 		$68K Buy
37,168
+29,455
+382% +$75.9K ﹤0.01% 6473
2022
Q3 		$22K Sell
7,713
-7,787
-50% -$24.9K ﹤0.01% 7267
2022
Q2 		$37K Sell
15,500
-185
-1% -$709 ﹤0.01% 6164
2022
Q1 		$74K Sell
15,685
-10,361
-40% -$50.5K ﹤0.01% 6128
2021
Q4 		$205K Buy
26,046
+4,821
+23% +$36.3K ﹤0.01% 5665
2021
Q3 		$177K Buy
21,225
+9,069
+75% +$89.3K ﹤0.01% 5413
2021
Q2 		$149K Buy
12,156
+11,981
+6,846% +$126K ﹤0.01% 5576
2021
Q1 		$2K Buy
+175
New +$2.12K ﹤0.01% 8634

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
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
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

UBS Group's QSI Position: Q2 2026 in Review

UBS Group increased its Quantum-Si Incorporated (QSI) stake by 50% in Q2 2026, buying an estimated $818K and bringing the position to 2,561,897 shares worth $2.27M. The position accounts for ﹤0.01% of the portfolio, ranked #5008.

UBS Group first reported a position in QSI in Q1 2021 and has held it in 22 quarters since. 141 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

  • UBS Group held 2,561,897 shares of Quantum-Si Incorporated worth $2.27M as of Q2 2026.
  • UBS Group bought 859,370 Quantum-Si Incorporated shares in Q2 2026, an estimated $818K.
  • Quantum-Si Incorporated made up ﹤0.01% of UBS Group's portfolio in Q2 2026, its #5008 holding.
  • UBS Group first reported a position in Quantum-Si Incorporated in Q1 2021 and has held it in 22 quarters since.
  • 141 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

Based on UBS Group's 13F filing for Q2 2026, filed 13 Aug 2026.