Back to CHARLES SCHWAB INVESTMENT MANAGEMENT INC CHARLES SCHWAB INVESTMENT MANAGEMENT INC

QSIQSI
19 quarters

Position history for CHARLES SCHWAB INVESTMENT MANAGEMENT INCCHARLES SCHWAB INVESTMENT MANAGEMENT INC's holdings in QUANTUM SI INC

CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds 457,571 shares of QSI (QUANTUM SI INC), worth $354,160 as of 2026-Q1. The position was decreased (-2.3% shares). QSI represents 0.0% of CHARLES SCHWAB INVESTMENT MANAGEMENT INC's portfolio.

Current Value

$354,160

Current Shares

457,571

Total Value Change

+$86,160

Total Shares Change

+425,553

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
Decreased
457,571
-2.3%
$354,1600.0%$0.95
0
2025-Q4
Increased
468,174
+0.0%
$514,9910.0%$1.11
24
2025-Q3
Increased
468,088
+8.5%
$660,0040.0%$1.39
27
2025-Q2
Increased
431,447
+17.4%
$845,6360.0%$1.95
29
2025-Q1
Increased
367,444
+19.3%
$440,9330.0%$1.27
28
2024-Q4
Increased
308,021
+32.6%
$831,6570.0%$3.33
32
2024-Q3
Decreased
232,360
-10.8%
$204,9880.0%$0.91
0
2024-Q2
Decreased
260,442
-0.4%
$273,4640.0%$1.05
0
2024-Q1
Increased
261,475
+0.3%
$515,1060.0%$1.97
24
2023-Q4
Decreased
260,595
-5.9%
$523,7960.0%$2.01
0
2023-Q3
Increased
276,955
+5.9%
$459,7450.0%$1.66
25
2023-Q2
Increased
261,577
+9.8%
$468,2230.0%$1.71
26
2023-Q1
Unchanged
238,228
0.0%
$419,2810.0%$1.65
0
2022-Q4
Increased
238,228
+2.3%
$435,9570.0%$1.83
24
2022-Q3
Increased
232,986
+0.1%
$641,0000.0%$2.73
24
2022-Q2
Increased
232,709
+626.8%
$540,0000.0%$2.41
39
2022-Q1
Unchanged
32,018
0.0%
$150,0000.0%$5.00
0
2021-Q4
Unchanged
32,018
0.0%
$252,0000.0%$7.83
0
2021-Q3
New
32,018
-
$268,0000.0%$8.41
32

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

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