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QSIQSI
20 quarters

Position history for UBS Group AGUBS Group AG's holdings in QUANTUM SI INC

UBS Group AG holds 1.7M shares of QSI (QUANTUM SI INC), worth $1.3M as of 2026-Q1. The position was increased (+17.5% shares). QSI represents 0.0% of UBS Group AG's portfolio.

Current Value

$1.3M

Current Shares

1.7M

Total Value Change

+$1.2M

Total Shares Change

+1.7M

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
Increased
1.7M
+17.5%
$1.3M0.0%$0.95
30
2025-Q4
Increased
1.4M
+187.1%
$1.6M0.0%$1.11
41
2025-Q3
Decreased
504,859
-36.1%
$711,8510.0%$1.39
0
2025-Q2
Increased
789,570
+75.6%
$1.5M0.0%$1.95
39
2025-Q1
Decreased
449,682
-24.1%
$539,6190.0%$1.27
0
2024-Q4
Increased
592,112
+1104.3%
$1.6M0.0%$3.33
41
2024-Q3
Decreased
49,166
-26.9%
$43,3640.0%$0.91
0
2024-Q2
Decreased
67,227
-34.8%
$70,5880.0%$1.05
0
2024-Q1
Decreased
103,160
-7.2%
$203,2250.0%$1.97
0
2023-Q4
Increased
111,189
+84.6%
$223,4900.0%$2.01
36
2023-Q3
Decreased
60,225
-2.8%
$99,9730.0%$1.66
0
2023-Q2
Increased
61,986
+56.4%
$110,9550.0%$1.71
21
2023-Q1
Increased
39,631
+6.6%
$69,7510.0%$1.65
15
2022-Q4
Increased
37,168
+381.9%
$68,0170.0%$1.83
23
2022-Q3
Decreased
7,713
-50.2%
$22,0000.0%$2.73
0
2022-Q2
Decreased
15,500
-1.2%
$37,0000.0%$2.41
0
2022-Q1
Decreased
15,685
-39.8%
$74,0000.0%$5.00
0
2021-Q4
Increased
26,046
+22.7%
$205,0000.0%$7.83
28
2021-Q3
Increased
21,225
+74.6%
$177,0000.0%$8.41
34
2021-Q2
New
12,156
-
$149,0000.0%$12.54
34

Other major holders of QSI: ARK Investment Management LLC, GLENVIEW CAPITAL MANAGEMENT, LLC

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