Map Foreign Suppliers to Securities Without Duplicating Exposure
Published August 2, 2026
Altsets
Research by Altsets Research
Separate foreign supplier identity from exchange-specific securities. Samsung, LG Energy Solution, Lens and Toyota Industries illustrate the mapping errors.
Dataset reference:Altsets supply chain relationships dataset covers 115k+ entities, 550k+ relationships, and history since 2006 across the full dataset; individual analyses use a narrower scope.
Key findings
- The supplied Tesla network includes foreign counterparties whose securities require different market mappings, including Samsung Electronics 005930 on KRX, LG Energy Solution 373220 on KRX, and Lens Technology with Shenzhen A shares and Hong Kong H shares.
- Toyota Industries was delisted on June 1, 2026, demonstrating why the supply chain relationship should be attached to a durable company entity rather than deleted when one tradable security disappears.
Map a foreign supplier to its economic company before mapping that company to a tradable security. Customer supplier relationships belong to businesses; tickers identify particular instruments on particular exchanges. Treating the two as interchangeable can duplicate a portfolio dependency, attach the wrong price series or delete a historical counterparty when its shares stop trading.
The supplied Altsets Tesla network contains several useful identity tests. Samsung Electronics appears as a structural supplier, but its common shares, preferred shares and London depositary receipts are separate instruments. LG Energy Solution is a different Korean company with its own numeric exchange code. Lens Technology has A shares in Shenzhen and H shares in Hong Kong. Toyota Industries remains an economic counterparty even after the listed shares described in the original analysis were delisted.
These cases change the join design. Resolve the named company once, retain each security separately and use a dated mapping between them. A company-level exposure calculation can aggregate positions representing the same business, while a return or execution study still uses the appropriate instrument, currency and trading calendar. The relationship metrics do not decide which security is investable for a particular account, and a bare numeric ticker is not a durable company identifier.
Samsung and LG Energy Solution test exchange-aware identity
Samsung's listing information identifies KRX common shares under 005930, preferred shares under 005935 and global depositary receipts in London. Preserve instrument type and exchange alongside the code. They represent securities associated with one company, rather than independent supplier companies.
The Tesla view also contains a quantified LG Energy Solution relationship. The economic entity is LG Energy Solution Ltd.; the Korean security in the cited company materials is KRX: 373220. A shared country and numeric-code format do not make LG Energy Solution and Samsung related identifiers or interchangeable suppliers.
The first validation is therefore company identity: legal name, source alias, country and relationship context. The second is security identity: exchange, code, instrument and dated status. Keep both checks visible even when a search service returns a plausible ticker immediately.
Lens Technology tests the difference between duplicate companies and distinct securities
Lens Technology's listing document identifies Shenzhen A shares under 300433 and Hong Kong H shares under 6613. The supplied Tesla network contains a structural Lens Technology supplier connection, not two separate commercial dependencies created by those listings.
For company-level concentration, two positions representing that company should contribute to one economic entity before counterparties are counted. For security-level analysis, keep the listings separate. Currency, liquidity, share-class terms and market structure can differ even when the underlying company relationship is the same.
A mapping system that deduplicates only by ticker can fail in both directions: different tickers can duplicate one business, while identical-looking codes from different exchanges can collapse unrelated instruments. The source company name should remain available for reviewing either error.
Toyota Industries tests dated tradability
Toyota Industries previously traded under securities code 6201. Its shares were delisted from the Tokyo and Nagoya exchanges effective June 1, 2026, following its going-private process. The original going-private notice location is retained as a source reference; the company's delisting notice supports the dated listing change.
The Altsets view contains Toyota Industries as a structural Tesla supplier. Losing a current listed security does not establish that the economic company or the commercial relationship disappeared. Preserve the entity and the historical security link, then treat current tradability as a separate field.
For the company-to-security join, the requirement is a dated listing-status record that leaves the economic entity intact.
Keep a company record, a security record and a dated bridge
The company record holds the durable economic identity and aliases used in source evidence. The relationship record attaches that company to a supplier or customer role at the relevant observation date. The security record holds exchange-specific identifiers, instrument type and listing history. A dated bridge connects the company to each security without pretending the mapping is always one-to-one.
Before a historical return join, verify that the security and mapping were valid at the formation date. Before a portfolio exposure join, combine appropriate holdings at company level while retaining the original instrument weights for reconciliation. Do not substitute today's surviving listing for every historical observation.
The nonsynchronous trading analysis applies this distinction to cross-market return windows: one company can trade through several instruments without becoming several independent commercial nodes.
Some counterparties have no accessible public security at all. That limits direct investability, not their relevance to public-company demand or procurement. The private-company exposure guide addresses that separate investment screen.
An auditable match leaves ambiguity visible
The output should identify the normalized company, preserve the source name, show the relationship date and list the supported security mappings with their dates. Unresolved aliases or uncertain parent-subsidiary scope should remain review items. A familiar brand alone is insufficient evidence for attaching a subsidiary relationship to every security in a corporate group.
The Tesla supplier-network analysis provides the commercial context for these counterparties. Altsets methodology defines entity and relationship treatment; the documentation owns interface details for company resolution. The purpose of this mapping discipline is to keep commercial identity intact while selecting the right security for the next analytical step.
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Cite this research
Altsets Research. "Map Foreign Suppliers to Securities Without Duplicating Exposure." Published August 2, 2026. https://www.altsets.com/research/foreign-supplier-company-vs-security-mapping