13Suppliers
10Customers
3Debt Items
20Related Chains

Source-Backed Evidence Depth

Quantum Corporation (QMCO) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.

27Total relationships
4Distinct source URLs
11High confidence
0.776Average confidence
2026-09-13Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

Quantum Corporation Suppliers

TickerNameConfidenceEvidence
DIALECTIC DIALECTIC 92% The Company agreed to issue to Dialectic, on a dollar-for-dollar basis, one or more senior secured convertible notes in exchange for the amounts then outstanding under the term loans held by Dialectic
DIALECTIC-TECHNOLOGY-SPV-LLC DIALECTIC-TECHNOLOGY-SPV-LLC 92% Dialectic, as the sole beneficial owner of the Company's 10.00% PIK Senior Secured Convertible Notes due 2028 (the "Notes"), each executed a lock-up agreement
CANTOR-FITZGERALD-CO CANTOR-FITZGERALD-CO 90% Cantor Fitzgerald & Co. ("Cantor") acted as lead placement agent and Lake Street Capital Markets, LLC acted as placement agent for the Company in connection with the Private Placement.
OC-III-LENDERS OC-III-LENDERS 85% The Fifteenth Amendment to the Term Loans held by OC III Lenders was accounted for as a modification
ANOTHER-LENDER ANOTHER-LENDER 80% The August 2024 Amendments to the 2021 Term Loan held by another lender was accounted for as a debt extinguishment
ONE-LENDER ONE-LENDER 80% The August 2024 Amendments to the 2021 Term Loan held by one lender was accounted for as a modification
HPE Hewlett Packard Enterprise Company 72% Reciprocal relationship from HPE graph: Reciprocal relationship from QMCO graph: Reciprocal relationship from HPE graph: Reciprocal relationship from QMCO graph: Reciprocal relationship from HPE grap…
HPE Hewlett Packard Enterprise Company 72% isk backup products and cloud storage are an indirect competitive alternative to tape storage. Our backup storage systems primarily compete with products sold by Dell, Hewlett Packard Enterprise Comp…
HPE-PC HPE-PC 72% isk backup products and cloud storage are an indirect competitive alternative to tape storage. Our backup storage systems primarily compete with products sold by Dell, Hewlett Packard Enterprise Comp…
HPE-PC HPE-PC 72% Reciprocal relationship from HPE-PC graph: Reciprocal relationship from QMCO graph: isk backup products and cloud storage are an indirect competitive alternative to tape storage. Our backup storage s…
IBM International Business Machines Corporation 72% i-cloud, meaning our customers will store their data in the various large public cloud environments, and also want to use services from multiple public cloud vendors. Our primary storage solutions, i…
IBM International Business Machines Corporation 72% Reciprocal relationship from IBM graph: Reciprocal relationship from QMCO graph: i-cloud, meaning our customers will store their data in the various large public cloud environments, and also want to …
U-S-BANK-TRUST-COMPANY-NATIONAL-ASSOCIATION U-S-BANK-TRUST-COMPANY-NATIONAL-ASSOCIATION 70% solely with respect to Sections 7.1 and 7.3 and Articles III and X thereof, U.S. Bank Trust Company, National Association, as the trustee and Notes Collateral Agent under the Indenture

Quantum Corporation Customers

TickerNameConfidenceEvidence
USGOV-DEPARTMENT-OF-DEFENSE USGOV-DEPARTMENT-OF-DEFENSE 95% USAspending awards from Department of Defense: $30,355 across 1 awards. N0017325P5928 MAINTENANCE RENEWAL | Qwen corrected direction: Explicit Department of Defense government contract awards shown w…
HPE Hewlett Packard Enterprise Company 72% isk backup products and cloud storage are an indirect competitive alternative to tape storage. Our backup storage systems primarily compete with products sold by Dell, Hewlett Packard Enterprise Comp…
HPE Hewlett Packard Enterprise Company 72% Reciprocal relationship from HPE graph: Reciprocal relationship from QMCO graph: isk backup products and cloud storage are an indirect competitive alternative to tape storage. Our backup storage syst…
HPE-PC HPE-PC 72% Reciprocal relationship from HPE-PC graph: Reciprocal relationship from QMCO graph: Reciprocal relationship from HPE-PC graph: Reciprocal relationship from QMCO graph: Reciprocal relationship from HP…
HPE-PC HPE-PC 72% isk backup products and cloud storage are an indirect competitive alternative to tape storage. Our backup storage systems primarily compete with products sold by Dell, Hewlett Packard Enterprise Comp…
IBM International Business Machines Corporation 72% Reciprocal relationship from IBM graph: Reciprocal relationship from QMCO graph: Reciprocal relationship from IBM graph: Reciprocal relationship from QMCO graph: i-cloud, meaning our customers will s…
IBM International Business Machines Corporation 72% i-cloud, meaning our customers will store their data in the various large public cloud environments, and also want to use services from multiple public cloud vendors. Our primary storage solutions, i…
DIALECTIC-TECHNOLOGY-SPV-LLC DIALECTIC-TECHNOLOGY-SPV-LLC 62% t 2024 Amendments. On April 2, 2025, the Company consented to an assignment (the “Master Assignment Agreement”) of the 2021 Term Loan and 2024 Term Loans. One of the lenders sold and assigned all of …
QUANTUM-LTO-HOLDINGS-LLC QUANTUM-LTO-HOLDINGS-LLC 62% t 2024 Amendments. On April 2, 2025, the Company consented to an assignment (the “Master Assignment Agreement”) of the 2021 Term Loan and 2024 Term Loans. One of the lenders sold and assigned all of …
US-LLC US-LLC 62% t 2024 Amendments. On April 2, 2025, the Company consented to an assignment (the “Master Assignment Agreement”) of the 2021 Term Loan and 2024 Term Loans. One of the lenders sold and assigned all of …

Quantum Corporation Debt Obligations

InstrumentDescriptionConfidenceEvidence
QMCO-DEBT-11995 Xbrl Convertible 90% xbrl convertible detail from xbrl 2015-03-31.
QMCO-DEBT-11994 Warrants outstanding: 1.33 90% xbrl warrant detail from xbrl 2025-03-31.
QMCO-DEBT Debt stack $7.3M 90% Market cache reports total debt of $7.3M.

Quantum Corporation Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Quantum Corporation.

Quantum Corporation Ownership

HolderNameConfidenceEvidence
QMCO-OWNER-VANGUARD-CAPITAL-MANAGEMENT-LLC VANGUARD CAPITAL MANAGEMENT LLC 90% 13F overlay lists VANGUARD CAPITAL MANAGEMENT LLC as top holder; 37 tracked holders.

Quantum Corporation Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
HPE-PC Hewlett Packard Enterprise Co 100.00 1 ['customer', 'supplier']
IBM International Business Machines Corporation 100.00 1 ['customer', 'supplier']
HPE Hewlett Packard Enterprise Company 100.00 1 ['customer', 'supplier']
DXC DXC Technology Company 50.00 2
EXTR Extreme Networks, Inc. 50.00 2
DVLT Datavault AI Inc. 50.00 2
OS OneStream, Inc. 50.00 2
CXMSF CEMEX, S.A.B. de C.V. 50.00 2
DELL Dell Technologies Inc. 50.00 2
AASP Agassi Sports Entertainment Corp. 50.00 2
CLBT Cellebrite DI Ltd. 50.00 2
CAJPY Canon Inc. 50.00 2
CAJFF Canon Inc. 50.00 2
CFLT Confluent, Inc. 50.00 2
FIVN Five9, Inc. 50.00 2
HUBC HUB Cyber Security Ltd. 50.00 2
OTEX Open Text Corporation 50.00 2
DOMO Domo, Inc. 50.00 2
PSO Pearson plc 50.00 2
PSTG Everpure Inc 50.00 2
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QMCO
Unlock QMCO Supply Chain Data
Verified relationships include:
DIALECTICDIALECTICSupplier92%
DIALECTIC-TECHNOLOGY-SPV-LLCDIALECTIC-TECHNOLOGY-SPV-LLCSupplier92%
USGOV-DEPARTMENT-OF-DEFENSEUSGOV-DEPARTMENT-OF-DEFENSECustomer95%
HPEHewlett Packard Enterpris…Customer72%
+23 more relationships locked
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