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QUMSU · Quantumsphere Acquisition Corp

Track QUMSU — free
$10.30 At close · Oct 14
Market Cap
$118.40M
Shares
11.41M
Volume · Oct 14 200 Avg daily vol (4 sessions) 1200

Price & Indicators

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20d MA 50d MA 200d MA Earnings Filing Insider Congress Investor day
Close$10.30 Open$10.30 Day$10.30–10.30 52W close$10.10–10.50 Avg vol 30d897 DataAug 2025–Oct 2026 Filing10-Q · Aug 14

Up next

filed Aug 14, 2026

Technicals

trend & momentum for long-term holders illustrative — not investment advice
Market signals — smart money & positioning
Bearish · 1 of 6
Trend (MA cross) No cross
50/200-day averages unavailable
Institutional flow Distributing
-3% holders QoQ · +1 funds added
Insider flow Flat
No net insider activity over 90 days
Short interest Flat
No short-interest data
Volume signal Normal
Volume near normal
Institution breadth Multi-yr low
35 holders — near 1-yr low, contrarian setup
Price context
position in its 52-week range
Range low $10 Now $10 · 50% Range high $11
vs 50-day avg +1%

Illustrative technical + ownership context — a signal mix, not investment advice.

Key metrics

KPI extraction has been attempted, but no publishable series is available from the examined filings. This is not evidence that the company reports no KPIs.

Versus peers

Shell Companies — same industry group
Open screener →
Company Mkt cap YTD Rev growth Y/Y P/E Short % shares
QUMSU
Quantumsphere Acquisition Corp
this stock
$118.40M +1.2% — — —
VYLR
Vylor Inc.
$49.89B — — — —
CLUS
Cluster Group Holdings Ltd Co
$8.00B — — — —
DMII
Drugs Made In America Acquisition II Corp.
$649.10M +2.9% — — 0.2%
EVAC
EQV Ventures Acquisition Corp. II
$603.77M +3.0% — — 0.0%

Peers by industry group · P/E from as-reported trailing EPS · short % is of shares outstanding

At a glance

key data from every section
Ownership
Institutional Holders Reducing
Holders
35
% held
127.8%
Net QoQ
-57.3K sh
Top holder
Harraden Circle Investmen…
Held Float
View
Short & Settlement
Fails to Deliver
FTD shares
54
Value
$558
As of
Sep 16, 2026
View
Filings
SEC Filings
Latest
8-K
Filed
Oct 13, 2026
This year
9

Quantumsphere Acquisition Corporation entered a merger agreement with Fortune Favor Technology Inc., valuing the target at approximately $600,000,000; shareholders would receive Purchaser Ordinary Shares valued at $10.00 per share, subject to customary closing conditions.

View

Performance

5D 20D 120D MTD YTD
QUMSU -0.3% +2.0% — -0.8% +1.2%
SPY -1.0% +2.1% +8.6% +0.9% +12.9%
vs SPY +0.7% -0.1% — -1.7% -11.7%
Key facts CIK 2070900 CUSIP G7387B106