APH · CIK 820313
What Amphenol Corporation told the SEC could break it.
Amphenol's disclosures center on how international — and how concentrated in China — its business is. About 65% of 2025 net sales came from outside the U.S., with China alone roughly 16%, and the geography tilts even more on the production side: about 90% of its workforce and 79% of its long-lived assets sit abroad, with some 37% of those assets in China (up from 29%, driven by AI-product investment). That makes U.S. Commerce/BIS export controls restricting advanced-IC technology to China, and expanding entity-list rules, a direct constraint on its China-related business. Alongside the geographic exposure, it flags an environmental/legal matter estimated to cost $100 million to roughly $300 million to resolve, plus single-source components for which alternatives may not exist.
4 self-disclosed vulnerabilities, pulled from its own filings, each in the company’s words, with the source. This is the risk register almost nobody reads.
In its own words
What could break it.
Geographic concentration
- ~65% of sales outside U.S.; China ~16% of net sales and ~37% of long-lived assets; ~90% of workforce abroadmedium
Non-U.S. markets were ~65% of Amphenol's 2025 net sales (China ~16%), ~90% of its workforce is outside the U.S., and ~79% of long-lived assets are abroad with ~37% in China (up from 29% in 2024, driven by AI-product investment) — heavy international and China concentration.
“non-U.S. markets constituted approximately 65% of the Company's net sales, with China constituting approximately 16% of the Company's net sales. The Company employs approximately 90% of its workforce outside the United States... approximately 79% of the Company's long-lived assets were located outside of the United States, with approximately 37% located in China.”
Litigation
- environmental/legal matter with estimated $100M-$300M resolution costmedium
Amphenol discloses a matter for which the range of potential costs to resolve is estimated at $100 million to approximately $300 million, with timing of resolution unable to be estimated.
“the range of potential costs is estimated to be $100.0 million to approximately $300.0 million. The Company is unable to estimate the timing for resolution of this matter.”
SEC filing →As of 2026
Regulatory & policy
- BIS China advanced-IC export controls and entity-list restrictionsmedium
U.S. Commerce/BIS export-control regulations (since 2022) restrict providing China certain technology, software, equipment and commodities used to make advanced computing ICs/supercomputers, plus expanding entity-list restrictions on sales — constraining Amphenol's China-related business.
“in 2022, the U.S. Commerce Department's Bureau of Industry and Security (“BIS”) released new export control regulations that restrict the provision to China of certain technology, software, manufacturing equipment and commodities that are used to make certain advanced computing integrated circuits (“ICs”) and supercomputers.”
Sole-source dependency
- single-source/limited-supplier components with no alternative sources in some casesmedium
In limited instances Amphenol depends on a single source of supply or commodity markets served by a limited number of suppliers, and for some components alternative sources may not exist or may be unable to produce required quantities; it may also be unable to pass increased input prices to customers.
“In limited instances, we depend on a single source of supply or participate in commodity markets that may be served by a limited number of suppliers, and for some components, alternative sources may not exist or may be unable to produce the quantities of those components necessary to satisfy our production requirements.”
SEC filing →As of 2026
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