Research context · not a recommendation
COHR
Descriptive positioning only. The positioning label says whether a company's business is exposed to a layer, never whether to buy it. Layers with no exposure are not recommendations to add any.
Stack position
Where COHR sits in the AI stack
L4 · Custom Silicon
ASICs and custom accelerator designs (in-house or merchant silicon) for specific AI workloads.
L5 · Networking
Interconnect, switching, and high-speed data-movement silicon linking compute clusters.
L5 · Optical
Optical transceivers and fiber connectivity for datacenter-scale networking.
L6 · AI Server
GPU servers, racks, and storage systems integrating accelerators into deployable units.
Icons mark layer roles — not company logos. Position only; not a price chart.
L5 · Optical
XingAI taxonomy. Filers did not assign this layer.
Map role vs this layer: Primary business sits here. Describes where the business sits, not a trade.
Why does this layer matter for AI demand?
Beyond a short distance, copper stops being viable and every link becomes optical. Port speeds have moved through 800G toward 1.6T, with co-packaged optics next as pluggable module power becomes the constraint.
What could change the picture here?
Transceiver supply and the power budget per port both scale with cluster size, which is why optics is usually counted separately from the switch silicon it plugs into.
Optical transceivers, lasers, and photonics for datacenter interconnect.
Same-layer companies (alphabetical, not ranked)
Cache snapshot 2026-10-20. Filing dates below are the source dates, not this snapshot.
Public 13F rows
Rows below are public SEC Form 13F-HR filings, reported by the filing entity for the period shown and filed later — they are never current holdings. Form 13F covers long US equity positions only: it excludes short positions, cash, non-US holdings and most derivatives, and a reported position may have been sold since. Assigning a ticker to a layer is XingAI's classification, not the filer's. Nothing here is a recommendation, and an institution reporting a position is not a reason to take one.
No 13F citation for this ticker in the current snapshot.
What this page does not answer
Valuation, a target price, and when to buy or sell. Those are not in the cache, and this page will not guess them.
Research questions
- Which layer is this company's primary business in, on XingAI's taxonomy?
- Which public Form 13F-HR rows cite this ticker, and when were they filed?
- Who else in the same layer is listed, alphabetically — not ranked?