Who owns QUANTUM CORP?

Tip: Access positions for across all investors

Analyze quarterly positions in Quantum Corp with up to 7 years of data, all consolidated into one spreadsheet

Download as csvDownload consolidated filings csv Download as ExcelDownload consolidated filings xlsx

Top investors of Quantum Corp stock

Who bought or sold QUANTUM CORP this quarter?

Fund or Company Name Shares Held Valued At Change in Shares As Of Actions
Vanguard Group 626k $4.0M 106% Dec 2025
 View chart
Vanguard Capital Management 539k $2.6M 100% Mar 2026
 View chart
BlackRock 218k $1.0M -1% Mar 2026
 View chart
Geode Capital Management 159k $757k 1% Mar 2026
 View chart
Cygnus Capital Advisors 124k $590k 79% Mar 2026
 View chart
UBS Group 99k $471k -40% Mar 2026
 View chart
State Street Corporation 91k $585k 232% Dec 2025
 View chart
Vanguard Fiduciary Trust 80k $381k 100% Mar 2026
 View chart
Sona Asset Management 70k $333k 100% Mar 2026
 View chart
Northern Trust 29k $186k 146% Dec 2025
 View chart
LPL Financial 25k $117k 34% Mar 2026
 View chart
Marshall Wace 22k $140k 100% Dec 2025
 View chart
Bank of America Corporation 21k $97k 100% Mar 2026
 View chart
Flagship Harbor Advisors 17k $82k -35% Mar 2026
 View chart
Engineers Gate Manager 16k $106k 100% Dec 2025
 View chart
Morgan Stanley 15k $72k 252% Mar 2026
 View chart
Barclays 14k $92k 3020% Dec 2025
 View chart
Kovack Advisors 13k $63k 100% Mar 2026
 View chart
R Squared 12k $58k 100% Mar 2026
 View chart
XTX Topco 12k $77k 100% Dec 2025
 View chart
Vanguard Global Advisers 6.0k $29k 100% Mar 2026
 View chart
Wells Fargo & Company 4.1k $20k 17% Mar 2026
 View chart
SBI Securities 2.0k $9.5k -17% Mar 2026
 View chart
Hollencrest Securities 2.0k $9.5k 100% Mar 2026
 View chart
Jones Financial Companies, L.L 1.8k $12k 106% Dec 2025
 View chart
Federated Investors 835.00 $4.0k 67% Mar 2026
 View chart
Advisor Group Holdings 748.00 $4.8k -24% Dec 2025
 View chart
Tower Research Capital 582.00 $3.8k 36% Dec 2025
 View chart
Bnp Paribas Arbitrage, Snc 261.00 $1.2k -74% Mar 2026
 View chart
Royal Bank of Canada 128.00 $1.0k -99% Mar 2026
 View chart
National Bank Of Canada /fi/ 100.00 $644.000000 100% Dec 2025
 View chart
EFG International 100.00 $645.000000 100% Dec 2025
 View chart
Global Retirement Partners 65.00 $419.003000 100% Dec 2025
 View chart
Lavaca Capital 39.00 $185.000400 100% Mar 2026
 View chart
Federation des caisses Desjardins du Quebec 25.00 $119.000000 0% Mar 2026
 View chart
Farther Finance Advisors 4.00 $20.000000 0% Mar 2026
 View chart
Activest Wealth Management 1.00 $4.000000 0% Mar 2026
 View chart

Who sold out of Quantum Corp?

Fund or Company Name Date Sold Shares Held Valued At
Portolan Capital Management Dec 2025 477k $3.1M
Quest Partners Dec 2025 29k $190k
Millennium Management Dec 2025 11k $73k
Nbc Securities Dec 2025 4.0k $26k
Fifth Third Bancorp Dec 2025 295.00 $1.9k
Efficient Wealth Management Dec 2025 68.00 $0
Rialto Wealth Management Sep 2025 42.00 $417.001200
Northwestern Mutual Wealth Management Company Dec 2025 15.00 $97.000500
Jpmorgan Chase & Co Sep 2025 8.00 $79.000000