Simplex Trading
QSI icon

Simplex Trading’s Quantum-Si Incorporated QSI Stock Holding History

Simplex Trading’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
Q1 		$70.1K Buy
90,531
+10,024
+12% +$10.4K ﹤0.01% 5495
2025
Q4 		$88.6K Sell
80,507
-73,576
-48% -$120K ﹤0.01% 5116
2025
Q3 		$217K Buy
154,083
+48,549
+46% +$70.2K ﹤0.01% 4848
2025
Q2 		$206K Buy
105,534
+62,625
+146% +$92.6K 0.01% 4468
2025
Q1 		$51K Sell
42,909
-263,860
-86% -$506K ﹤0.01% 5760
2024
Q4 		$828K Buy
306,769
+280,270
+1,058% +$328K 0.02% 3028
2024
Q3 		$23K Buy
+26,499
New +$25.7K ﹤0.01% 6564
2024
Q2 		– Hold
0
– – – 10417
2024
Q1 		– Hold
0
– – – 10466
2023
Q4 		– Hold
0
– – – 10472
2023
Q3 		– Sell
-9,322
Closed -$22.4K – 10454
2023
Q2 		$16K Buy
9,322
+4,043
+77% +$6.33K ﹤0.01% 6991
2023
Q1 		$9K Sell
5,279
-13,568
-72% -$26.8K ﹤0.01% 7645
2022
Q4 		$34K Buy
+18,847
New +$48.6K ﹤0.01% 6312
2022
Q3 		– Hold
0
– – – 11494
2022
Q2 		– Hold
0
– – – 11592
2022
Q1 		– Hold
0
– – – 11805
2021
Q4 		– Sell
-25,880
Closed -$195K – 11794
2021
Q3 		$312K Sell
25,880
-1,410
-5% -$13.9K 0.01% 4851
2021
Q2 		$334K Buy
27,290
+5,685
+26% +$59.6K 0.01% 4788
2021
Q1 		$257K Buy
+21,605
New +$261K 0.01% 4347

Other funds holding QSI

BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
NAMA
Nikko Asset Management Americas New York $7.07B AUM 50.91% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $154B AUM 29.96% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $564B AUM 30.12% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM