HIGHOutside partySupplier
ethylene oxide and cobalt-60
“10-K Item 1: 'single-sourced in certain regions of the world, such as ethylene oxide ("EO") and radioisotope cobalt-60 ("cobalt-60"), which are necessary to our AST operations'”
STE · Concentration risk · 10-K extracted
STERIS plc (Ireland) (STE) concentration risks
Updated
The most significant concentration STERIS plc (Ireland) discloses is ethylene oxide and cobalt-60, classified HIGH by disclosed size. Below: the full set from the latest 10-K — verbatim quotes, filing references, and a synthesis of what these exposures mean together.
Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results.
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Source: STERIS plc (Ireland)’s SEC Form 10-K filed — view the filing on SEC EDGAR ↗
At a glance
Disclosed-size breakdown · 1 disclosed concentration
HIGH1
MEDIUM0
LOW0
Disclosed concentrations
Each card carries a disclosed-size chip (HIGH / MEDIUM / LOW — how large the exposure is as a share of revenue, not how dangerous it is) and a nature tag: Built-in(the company’s own model, geography, or products) or Outside party (an external customer, supplier, or distributor it relies on).
TrendMatrix Research · concentration synthesis
What these concentrations mean together
updated 2026-06-24The company's disclosed concentration is a single, high-share supplier dependency: ethylene oxide and radioisotope cobalt-60 are single-sourced in certain regions of the world, and both are necessary to the company's Applied Sterilization Technologies (AST) operations. By disclosed size this is a large-share exposure, and its character is dependency — the company does not control the production of these inputs, and no disclosed alternative source is available in the affected regions. Ethylene oxide and cobalt-60 are specialty industrial inputs with limited global production capacity, making them inherently difficult to substitute quickly if a single-source supplier experiences a disruption. The nature of cobalt-60 in particular introduces an additional dimension: it is a radioisotope whose supply is tied to the operating status and refueling cycles of specific nuclear reactors, a supply constraint that is geopolitically and logistically complex to resolve. Ethylene oxide carries its own regulatory and safety considerations that constrain where and how it can be produced, stored, and transported. Both inputs are essential to sterilization services for medical devices and pharmaceutical products, so any sustained supply disruption would directly affect AST segment revenue and the company's ability to serve customers reliant on these sterilization methods. No customer, geographic, or product-line concentration is disclosed beyond this supplier dependency. On balance, the concentration profile is narrow in scope but meaningful in impact potential: a single high-share sourcing dependency in specialty inputs that are essential to a core service offering and difficult to replace quickly.
For the engine’s reasoning on STE’s current verdict — including which dimensions drove the score — see the per-dimension breakdown.
Industry peers · Medical Devices
Peer concentration profile
| Symbol | Name | HIGH | MEDIUM | LOW | Total |
|---|---|---|---|---|---|
| AORT | Artivion, Inc. | 4 | 4 | 0 | 8 |
| ATEC | Alphatec Holdings, Inc. | 1 | 1 | 0 | 2 |
| ABT | Abbott Laboratories | 1 | 0 | 0 | 1 |
| STE● | STERIS plc (Ireland) | 1 | 0 | 0 | 1 |
| AXGN | AxoGen, Inc. | 0 | 0 | 0 | 0 |
| BIO | Bio-Rad Laboratories, Inc. | 0 | 0 | 0 | 0 |
Concentration counts reflect items disclosed in each peer’s most recent 10-K; disclosed-size classification uses TrendMatrix’s internal 10-K extraction taxonomy.