QUANTUM CORP QMCO
$10.16
-7.0% 52w: $4.31 – $15.95
Latest 13F among current holders filed 1 month ago (May 18, 2026)
Price — last 12 months
research preview data4.3110.1315.95
Jun 20, 2025 Jul 2, 2026
Institutional holders
37
-3 QoQ
13F value
$7.7M
-42.2% QoQ
Smart-money holders
1
signal tier ≥ 2
New smart buyers
1
Q1 2026
Options barometer
2.4×
$1.3M calls / $566K puts
Institutional value by quarter
Number of holders
Who owns QMCO?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 539.3K | $2.6M | — | — |
| BlackRock, Inc. | Index provider | 217.5K | $1.0M | — | -1.5% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 159.2K | $756K | — | +1.5% |
| Cygnus Capital Advisors, LLC | Quant stat arb | 124.1K | $590K | — | +78.7% |
| UBS Group AG | Bank broker | 99.1K | $471K | — | -40.3% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 80.3K | $381K | — | — |
| STATE STREET CORP | Index provider | 72.8K | $346K | — | -19.7% |
| SONA ASSET MANAGEMENT (US) LLC ★2 | Fundamental diversified | 70.1K | $333K | — | New |
| MARSHALL WACE, LLP | Quant stat arb | 37.5K | $178K | — | +72.6% |
| NORTHERN TRUST CORP | Index provider | 28.8K | $137K | — | Held |
| LPL Financial LLC | Bank broker | 24.6K | $117K | — | +33.9% |
| PRICE T ROWE ASSOCIATES INC /MD/ | Diversified mechanical | 21.8K | $104K | — | +37.1% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 20.5K | $97K | — | -0.2% |
| FLAGSHIP HARBOR ADVISORS, LLC | Wealth advisor | 17.2K | $82K | — | -35.4% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Diversified mechanical | 16.2K | $77K | — | New |
| MORGAN STANLEY | Bank broker | 15.2K | $72K | — | +251.9% |
| Kovack Advisors, Inc. | Other | 12.5K | $63K | — | New |
| BARCLAYS PLC | Bank broker | 12.4K | $59K | — | -12.4% |
| R Squared Ltd | Quant stat arb | 12.2K | $58K | — | New |
| XTX Topco Ltd | Market maker | 11.3K | $54K | — | -5.2% |
| Vanguard Global Advisers, LLC | Diversified mechanical | 6.0K | $29K | — | — |
| WELLS FARGO & COMPANY/MN | Bank broker | 4.1K | $20K | — | +17.0% |
| SBI Securities Co., Ltd. | Diversified mechanical | 2.0K | $10K | — | -17.4% |
| HOLLENCREST CAPITAL MANAGEMENT | Wealth advisor | 2.0K | $10K | — | New |
| JONES FINANCIAL COMPANIES LLLP | Wealth advisor | 1.5K | $7K | — | -20.3% |
| OSAIC HOLDINGS, INC. | Wealth advisor | 965 | $5K | — | +29.0% |
| FEDERATED HERMES, INC. | Diversified mechanical | 835 | $4K | — | +66.7% |
| BNP PARIBAS FINANCIAL MARKETS | Bank broker | 261 | $1K | — | -74.4% |
| ROYAL BANK OF CANADA | Bank broker | 128 | $1K | — | -84.6% |
| EFG International AG | Other | 100 | $477 | — | Held |
| NATIONAL BANK OF CANADA /FI/ | Diversified mechanical | 100 | $475 | — | Held |
| Rialto Wealth Management, LLC | Wealth advisor | 87 | $414 | — | New |
| Lavaca Capital LLC | Other | 39 | $185 | — | New |
| Federation des caisses Desjardins du Quebec | Diversified mechanical | 25 | $119 | — | Held |
| JPMORGAN CHASE & CO | Bank broker | 8 | $34 | — | Held |
| Farther Finance Advisors, LLC | Wealth advisor | 4 | $20 | — | Held |
| Activest Wealth Management | Wealth advisor | 1 | $4 | — | Held |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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