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QSI

Quantum-Si Inc · NASDAQ NMS - GLOBAL MARKET · Life Sciences Tools & Services

$0.71$-0.02 (-2.43%)

Prices delayed up to 5 minutes

AC Intelligence

AC Intelligence

AC Intelligence for QSI is being prepared.

Key Stats

Key Stats

Open

$0.73

Day High

$0.73

Day Low

$0.69

Prev Close

$0.73

Volume

0

Avg Volume

Day Change

$-0.02

Change %

-2.43%

Fundamentals

Earnings History

Insider Activity

Who Owns This Stock

Who Owns QSI

Passive / Index12.9%9 holders
Other12.0%93 holders
Quality / Compounder2.6%9 holders
Dealer / Bank2.6%11 holders
Tactical / Macro1.7%3 holders

Based on Q4 2025 13F filings + AC behavioral model

135 institutional holders

Top Holders

1.Vanguard Group
+746.8%$9249.8B
2.BlackRock, Inc.
+65.5%$8211.3B
3.ARK Investment Management LLC
-7.9%$7723.7B
4.Sumitomo Mitsui Trust Group, Inc.
-10.1%$5159.8B
-10.1%$5112.9B
6.BlackRock, Inc.
+2.5%$5083.7B
7.Geode Capital Management
+9.3%$3923.0B
8.State Street
$3919.0B
9.Citadel Advisors
+557.4%$2943.7B
10.SUSQUEHANNA INTERNATIONAL GROUP, LLP
$2560.6B
11.Northern Trust Corp
$2398.8B
12.TWO SIGMA INVESTMENTS, LP
$1522.6B
13.UBS Group AG
+196.9%$1505.9B
14.Vanguard Group
+12.1%$1224.6B
15.Fosun International Ltd
0.0%$818.3B
16.JANE STREET GROUP, LLC
$738.2B
17.Citadel Advisors
+36.6%$611.6B
18.Geode Capital Management
-83.2%$603.6B
19.BlackRock, Inc.
+64.7%$531.4B
20.SUSQUEHANNA INTERNATIONAL GROUP, LLP
$530.8B

Institutional Pressure

Market Regime:Strong Risk-Off (-0.62)
SELLINGBUYING
Neutral
Passive / Index(12.9%)
Holds
Other(12.0%)
Quality / Compounder(2.6%)
Holds through
Dealer / Bank(2.6%)
Facilitating
Tactical / Macro(1.7%)
Reducing rapidly
Systematic / Quant(0.1%)
De-risking (mechanical)
Income / Defensive(0.1%)
Inflows (flight to yield)

16% passive + quality floor won't sell.

Updated daily · Based on Q4 2025 filings + AC behavioral model

Sentiment Signals

Sentiment Signals

Insider ActivityNo insider transactions in last 90 daysSEC Form 4
Analyst Consensus5 buy, 2 hold, 0 sellFinnhub
↑↑Inst. Flows116 increased/new, 43 decreased/exited (13F)AC 13F Analysis

Sources: SEC Form 4, Finnhub, AC 13F Analysis

On AcidCapitalist

On AcidCapitalist

No recent mentions of QSI on AcidCapitalist.

Data provided by Finnhub. Prices delayed up to 5 minutes.