Nasdaq· Computer Storage Devices· Inc. DE· CIK 0000709283

QMCO

QUANTUM CORP /DE/
$34.50 ▲ +8.18%
Prev close $31.89
Market cap$1.3B
ConsensusStrong Buy
12-mo target$26.50 (-23.2%)
▲ Bullish
Analyst conviction 9/10
Insider Selling Cluster (2 insiders)High Impact Filing (7/10)10 New Institutional Positions3 Institutional Exits Software & IT
Snapshot
The big-picture read on QMCO right now — valuation, ownership and activity at a glance.
Market Cap
$1.3B
Cap Size
Small Cap
Analyst Consensus
Strong Buy (88%)
Inst. Holders
47 funds
Inst. Value
$81.0M
Inst. Activity
10 buys / 3 sells
Insider Activity
$0.00 buy / $84.7K sell
Insider Net $
-$84.7K
SEC Reports
4
Price chart 30d +42.0%
Daily candles (open–high–low–close) with volume. Green = up day, red = down day.
Vol
Recent activity
The latest filings, insider trades, analyst actions, press and options flow — newest first.
Sep 29, 2026 short_volume
Short Volume: QMCO — 58.2% short (0.5M / 0.9M)
Short: 528,289 | Exempt: 801 | TRF Vol: 908,323 | Short Ratio: 58.2% | Off-exchange volume (dark poo
Aug 11, 2026 SEC
Quantum reported Q1 FY2027 revenue of $80.8M (+26% YoY), above the $75M guidance midpoint, and delivered its first non-G
8-K — Impact 7/10
Aug 3, 2026 Insider
Craythorne Anthony sold 1,478 shares
Chief Revenue Officer @ $10.73 ($15.9K)
Jul 27, 2026 SEC
Quantum Corp's S-1 registration statement (File No. 333-297438) became effective on July 24, 2026. This shelf registrati
EFFECT — Impact 6/10
Jul 2, 2026 Insider
Nash Laura A. sold 260 shares
Chief Accounting Officer @ $10.51 ($2.7K)
Jul 2, 2026 Insider
Meyrath Hugues sold 6,232 shares
President & CEO @ $10.51 ($65.5K)
Jun 30, 2026 Inst.
Alyeska Investment Group, L.P. — NEW
2,653,928 shares ($29.2M)
Jun 30, 2026 Inst.
Neuberger Berman Group LLC — NEW
1,163,315 shares ($12.8M)
Analyst ratings buy % +17.3%
How Wall Street rates the stock today, and the latest firm-by-firm actions.
Strong Buy 88% rate it Buy or better · 8 analysts
Strong Buy 2 25% Buy 5 63% Hold 1 13% Sell 0 0% Strong Sell 0 0%
Recent analyst actions
DateFirmActionRatingFirm rating
Sep 14, 2026Lake StreetMAINTAINBuy 45%
Aug 11, 2026Lake StreetMAINTAINBuy 45%
Jun 26, 2026Northland Capital MarketsDOWNGRADEMarket Perform 51%
Jun 3, 2026Lake StreetMAINTAINBuy 45%
Monthly consensus history
PeriodStr. BuyBuyHoldSellStr. SellBuy %Distribution
Sep 1, 20262510088%
Aug 1, 20262420075%
Jul 1, 20262420075%
Jun 1, 20262510088%
May 1, 20262510088%
Apr 1, 20262510088%
Mar 1, 20262420075%
Feb 1, 20262420075%
Price targets
Where 2 covering analysts think QMCO trades over the next 12 months.
$26.50 -23.2% upside Strong Sell
Current$34.50 Low$24.00 Median$26.50 High$29.00 2 analysts
$24.00$29.00
Analyst rating None as of Oct 3, 2026
Social media sentiment
Retail-investor mood aggregated across social media. 0° = very bearish, 100° = very bullish.
Recent posts
Reports & filings
AI-scored summaries of recent SEC filings and press releases, with sentiment and impact.
4 SEC filing reports analyzed · 3 bullish, 1 bearish, 0 mixed, 0 neutral · avg impact 6.8/10.
Upcoming & catalyst events
Scheduled dates plus disclosed catalysts — earnings, dividends, enforcement, FDA and clinical-trial events. Colored dot = impact.
Sep 29, 2026
short_volume
Short Volume: QMCO — 58.2% short (0.5M / 0.9M)
Short: 528,289 | Exempt: 801 | TRF Vol: 908,323 | Short Ratio: 58.2% | Off-exchange volume (dark pool + OTC)
Sep 25, 2026
short_volume
Short Volume: QMCO — 55.2% short (1.0M / 1.8M)
Short: 991,636 | Exempt: 3,616 | TRF Vol: 1,797,047 | Short Ratio: 55.2% | Off-exchange volume (dark pool + OTC)
Aug 12, 2026
ftd
FTD: QMCO — 68,098 shares ($1.3M) failed to deliver
Settlement: 20260812, Price: $19.40, FTD Value: $1,321,101.2, QUANTUM CORP COM PAR $0.01
Aug 10, 2026
earnings_calendar
QMCO Q1 2027 Earnings Scheduled — 2026-08-10
Aug 5, 2026
ftd
FTD: QMCO — 208,332 shares ($2.4M) failed to deliver
Settlement: 20260805, Price: $11.45, FTD Value: $2,385,401.4, QUANTUM CORP COM PAR $0.01
Earnings estimates
Forecast earnings per share and revenue by period — and whether estimates are rising.
PeriodEPS Est.RangeGrowth30d RevUp/DnRevenue#
Current Q$0.13$0.12–$0.13123.2%+0.0%—$0.1B2
Next Q$0.12$0.11–$0.13133.3%+0.0%—$0.1B2
Current FY$0.47$0.43–$0.50117.3%+0.0%—$0.3B2
Next FY$0.84$0.70–$0.9880.7%+0.0%2↑ 0↓$0.4B2
Current-quarter EPS estimate — revision history
WhenEPS estimateChange vs now
Current$0.125—
7d ago$0.125—
30d ago$0.125—
60d ago$-0.110+0.235
90d ago$-0.135+0.260
Institutional ownership
Which big funds own QMCO (from quarterly 13F filings) and who is adding or trimming.
47 institutional holders with $81.0M total value (7,390,040 shares) as of 2026-Q2. Top holders: NewEdge, Alyeska, Neuberger. Net buying activity: 10 institutions added/increased vs 3 reduced.
Top holders — 2026-Q2
FundSharesValue% TrackedLast move
NewEdge Advisors, LLC0$0.000.0%—
Alyeska Investment Group, L.P.2,653,928$29.2M36.0%NEW
Neuberger Berman Group LLC1,163,315$12.8M15.8%NEW
MARSHALL WACE, LLP713,075$7.8M9.7%DOUBLED +1800.1%
VANGUARD CAPITAL MANAGEMENT LLC605,541$6.7M8.2%—
BlackRock, Inc.273,030$3.0M3.7%ADD +25.5%
JANE STREET GROUP, LLC170,600$1.9M2.3%—
BANK OF AMERICA CORP /DE/170,130$1.9M2.3%DOUBLED +730.5%
GEODE CAPITAL MANAGEMENT, LLC164,600$1.8M2.2%ADD +97.5%
RENAISSANCE TECHNOLOGIES LLC154,516$1.7M2.1%—
Recent position changes
FundActionPrevCurrentChangeValue
Alyeska Investment Group, L.P.NEW—2,653,928—$29.2M
Neuberger Berman Group LLCNEW—1,163,315—$12.8M
MARSHALL WACE, LLPDOUBLED37,528713,075+1800.1%$7.8M
BlackRock, Inc.ADD217,532273,030+25.5%$3.0M
BANK OF AMERICA CORP /DE/DOUBLED20,485170,130+730.5%$1.9M
UBS Group AGTRIM99,06846,106-53.5%$507.2K
WELLS FARGO & COMPANY/MNDOUBLED4,12511,300+173.9%$124.3K
JPMORGAN CHASE & CODOUBLED83,680+45900.0%$43.6K
BNP PARIBAS FINANCIAL MARKETSDOUBLED2611,187+354.8%$13.1K
FEDERATED HERMES, INC.ADD8351,158+38.7%$12.7K
Insider activity
Buying and selling by company executives and directors (SEC Form 4).
6 insiders, 16 transactions. Net -$84.7K — $0.00 bought, $84.7K sold.
DateInsiderTitleTypeSharesPriceValue
Aug 3, 2026Craythorne AnthonyChief Revenue OfficerSELL1,478$10.73$15.9K
Jul 2, 2026Nash Laura A.Chief Accounting OfficerSELL260$10.51$2.7K
Jul 2, 2026Meyrath HuguesPresident & CEOSELL6,232$10.51$65.5K
Jun 4, 2026Dialectic Technology SPV LLC10%+ OwnerCONVERT11,020,645$5.19$57.2M
Jun 4, 2026Dialectic Technology SPV LLC10%+ OwnerAWARD3,083,975$5.19$16.0M
Jun 4, 2026Dialectic Technology SPV LLC10%+ OwnerCONVERT57,241,228——
Jun 4, 2026FICHTHORN JOHNDirectorCONVERT11,020,645$5.19$57.2M
Jun 4, 2026FICHTHORN JOHNDirectorAWARD3,083,975$5.19$16.0M
Jun 4, 2026FICHTHORN JOHNDirectorCONVERT57,241,228——
Jun 1, 2026Dialectic Technology SPV LLC10%+ OwnerJ105,911——
Short interest & halts
FINRA semi-monthly short positions, Reg SHO threshold status, and recent trading halts for QMCO.
Shares short
2,045,010
Settlement Sep 15, 2026
Change vs prior
+12.0%
Semi-monthly cycle
Days to cover
2.2
At avg daily volume
Of shares outstanding
≈5.2%
Estimate — not % of float
All QMCO filing & press-release reports (4)