What Amkor makes for data centers
public
Amkor is a publicly listed company. It appears on 1 part of the AI data center — OSATs taking CoWoS back-end and overflow — in the role of manufacturer. That part sits in Layer 1 — Compute silicon & packaging. Its shares trade on US exchanges (NYSE/Nasdaq) as AMKR.
Listing
US exchanges (NYSE/Nasdaq): AMKR· 39.30 USD +1.76% · mkt cap 9.8B USD
Snapshot 2026-10-25T10:41:17Z — nightly, not real-time.· Chart on TradingView ↗
Exposure
1 part across 1 layer
No disclosed data-center revenue share on file.
Parts, by layer
Layer 1 — Compute silicon & packaging
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| OSATs taking CoWoS back-end and overflow | manufacturer | inferred | ASE Technology (ASE/SPIL), KYEC, Powertech |
Where Amkor sits in the stack
Amkor's placements in this catalog cover 1 part, all in layer 1, compute silicon & packaging. None of them currently carries a sourced supply constraint tag. Across these parts it overlaps with other companies most often on the lines below.
What these parts are
- OSATs taking CoWoS back-end and overflow — Outsourced assembly and test (OSAT) providers that take on back-end assembly and overflow packaging work when primary CoWoS capacity is full.
Closest peers in this catalog
Seen in real machines
Amkor is named in 1 of the rack teardowns and supercomputer breakdowns on this site. Each line below is a piece of that machine.
- Nvidia GB300 NVL72 · rack teardown
- B300 GPU die and CoWoS-L package
Disclosed customers
Questions about Amkor
- What does Amkor make for AI data centers?
- This catalog places Amkor on 1 part: OSATs taking CoWoS back-end and overflow (manufacturer).
- Is Amkor publicly traded?
- Yes — Amkor is listed on US exchanges (NYSE/Nasdaq) under AMKR. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Who else makes OSATs taking CoWoS back-end and overflow for AI data centers?
- ASE Technology (ASE/SPIL), KYEC and Powertech are also placed on OSATs taking CoWoS back-end and overflow in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For Amkor the mix is 1 inferred. "disclosed" means the company or a filing says so; "reported" comes from trade press or a reference-design list; "inferred" is a lead from the taxonomy with no citation yet. Treat reported and inferred as leads, not facts.
Answers are generated from this catalog's own rows — see sources & method.