Citadel Advisors’s Quantum-Si Incorporated QSI Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$1.09M Buy
558,307
+419,809
+303% +$823K ﹤0.01% 3224
2025
Q1
$166K Buy
+138,498
New +$166K ﹤0.01% 4951
2024
Q4
Sell
-79,753
Closed -$70.4K 6625
2024
Q3
$70.4K Sell
79,753
-146,547
-65% -$129K ﹤0.01% 5034
2024
Q2
$238K Buy
226,300
+133,300
+143% +$140K ﹤0.01% 4507
2024
Q1
$183K Sell
93,000
-32,130
-26% -$63.3K ﹤0.01% 4829
2023
Q4
$252K Buy
+125,130
New +$252K ﹤0.01% 4399
2023
Q3
Sell
-107,111
Closed -$192K 6385
2023
Q2
$192K Buy
107,111
+76,478
+250% +$137K ﹤0.01% 4480
2023
Q1
$53.9K Sell
30,633
-114,151
-79% -$201K ﹤0.01% 5139
2022
Q4
$265K Sell
144,784
-21,346
-13% -$39.1K ﹤0.01% 4447
2022
Q3
$457K Sell
166,130
-124,015
-43% -$341K ﹤0.01% 4173
2022
Q2
$673K Buy
290,145
+248,460
+596% +$576K ﹤0.01% 3842
2022
Q1
$195K Buy
41,685
+20,271
+95% +$94.8K ﹤0.01% 5332
2021
Q4
$168K Buy
+21,414
New +$168K ﹤0.01% 5597
2021
Q3
Sell
-867,703
Closed -$10.5M 6952
2021
Q2
$10.5M Buy
+867,703
New +$10.5M ﹤0.01% 1408
2021
Q1
Hold
0
6710