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QSIQSI
6 quarters

Position history for BlackRock, Inc.BlackRock, Inc.'s holdings in QUANTUM SI INC

BlackRock, Inc. holds 13.4M shares of QSI (QUANTUM SI INC), worth $10.4M as of 2026-Q1. The position was increased (+2.8% shares). QSI represents 0.0% of BlackRock, Inc.'s portfolio.

Current Value

$10.4M

Current Shares

13.4M

Total Value Change

-$12.4M

Total Shares Change

+5M

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
Increased
13.4M
+2.8%
$10.4M0.0%$0.95
28
2025-Q4
Increased
13.1M
+15.3%
$14.4M0.0%$1.11
32
2025-Q3
Increased
11.3M
+4.4%
$16M0.0%$1.39
29
2025-Q2
Increased
10.8M
+14.9%
$21.3M0.0%$1.95
33
2025-Q1
Increased
9.4M
+11.9%
$11.3M0.0%$1.27
31
2024-Q4
New
8.4M
-
$22.8M0.0%$3.33
39

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

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