Quantum Corporation Common Stock (QMCO)

Typically moves ±17.93% on earnings
EARNINGS ANALYTICS
event_note Approx. Next Earnings: ~2026-11-12 APPROXIMATE
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Quantum Corporation Common Stock (QMCO) has reported earnings 22 times since May 26, 2021. The stock moves an average of ±17.93% the day after reporting, closing higher 22.7% of the time. Its largest post-earnings gain was +65.21% (Aug 10, 2026) and its largest decline was -51.25% (Jun 17, 2024). The next earnings report is predicted for 2026-11-12 (approximate).

Earnings reactions

How QMCO moved on each past earnings report.

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Earnings Impact

Total Earnings

22

Avg Abs. Movement

±17.93%

Positive %

22.7%

Negative %

77.3%

Historical Earnings Statistics

Date Timing Earnings move SEC Filing
Aug 10, 2026 ☽ POST +65.21% open_in_new
Jun 25, 2026 ☽ POST -9.93% open_in_new
Jun 02, 2026 ☽ POST +27.5% open_in_new
Feb 17, 2026 ☽ POST -3.37% open_in_new
event

Earnings Count

22

Total earnings in dataset

trending_up

Avg Abs. Movement

±17.93%

Avg % price change on earnings

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SEC Filings

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Browse all SEC filings

account_balance

Institutional ownership

Holdings as of Mar 31, 2026 · SEC 13-F

View all 10 →
10
Funds holding
$1847624
Total value held
Buying
6 added · 3 reduced
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$136620 Held
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$97304 -0.24%
Citigroup Inc
$82741 NEW BUY

SEC Filing Types

Recent SEC Filings

10 most recent
Form Date Filed View on EDGAR
10-Q 20260811 open_in_new SEC.gov
8-K 20260810 open_in_new SEC.gov
SCHEDULE 13G 20260810 open_in_new SEC.gov
4 20260805 open_in_new SEC.gov
ARS 20260729 open_in_new SEC.gov
DEF 14A 20260729 open_in_new SEC.gov
DEFA14A 20260729 open_in_new SEC.gov
424B3 20260727 open_in_new SEC.gov
EFFECT 20260724 open_in_new SEC.gov
S-1 20260714 open_in_new SEC.gov

Frequently asked about QMCO earnings

When does Quantum Corporation Common Stock report earnings next? expand_more

Quantum Corporation Common Stock (QMCO)'s next earnings date is approximate for 2026-11-12. This is a prediction based on its historical quarterly reporting pattern, not a company-confirmed date.

How much does QMCO stock move after earnings? expand_more

Over 22 reports, QMCO has moved an average of ±17.93% the session after earnings, closing higher 22.7% of the time.

What was QMCO's biggest post-earnings move? expand_more

QMCO's largest post-earnings gain on record was +65.21% on Aug 10, 2026, and its largest decline was -51.25% on Jun 17, 2024.

Where can I find Quantum Corporation Common Stock's SEC filings? expand_more

All of Quantum Corporation Common Stock's SEC filings — 10-K, 10-Q, 8-K and more — are listed in the SEC filings section on this page, each linking to the original document on SEC.gov.

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