QSI

QUANTUM SI INC

Institutional Ownership · Q4 2025

Filing: Q4 2025

QUANTUM SI INC (QSI) is held by 132 institutional investors with combined holdings of $69M. Major holders include BlackRock, Inc. (BLK), VANGUARD GROUP INC, ARK Investment Management.

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Institutional Holders

132

Total Value

$69.4M

Ownership %

32.3%

🏦 Top Institutional Holders

BlackRock, Inc. (BLK)

ARK Investment Management LLC

7.0M shares

$7.7M

3.57% ownership

Sumitomo Mitsui Trust Group, Inc.

4.7M shares

$5.2M

2.39% ownership

Amova Asset Management Americas, Inc.

4.7M shares

$5.1M

2.39% ownership

📊 Financials

Income statement, balance sheet, and cash flow from SEC filings.

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