Great ramps, still few customers
- Credo's growth is being driven by Active Electrical Cables, or AECs, used in hyperscale data centers.
- In fiscal 2026, Customer D, Customer B, and Customer E made up 84% of revenue.
- AEC products contributed over 99% of the fiscal 2026 revenue increase versus fiscal 2025.
- The bull case is broader adoption across several large customers, not only one big ramp.
- The bear case is that these projects can pause, shift, or get won by larger chip rivals.
Three big ramps, one big question
Credo is a high-growth data center parts company. Its best proof point is simple: in fiscal 2026, three end customers each mattered at real scale. Customer D was 33% of revenue, Customer B was 32%, and Customer E was 19%. Together, they were 84% of revenue.
That is better than a story built on one buyer. AECs, which are active cables that help move data at high speed, drove over 99% of the fiscal 2026 revenue increase. The bull case is that Credo has become a needed supplier for several AI and cloud data center builds.
The risk did not go away. A prior quarter showed Customer B, Customer D, and Customer E at 88% of revenue, while Customer C had fallen below the 10% disclosure line after being much larger before. That tells us demand can move fast from one customer to another.
The stock can work if the top three customers keep ordering and a fourth large customer appears. It can break if two large customers pause projects at the same time, or if new products like OmniConnect and Weaver do not add a second growth leg beyond AECs.
Fabless chips, cable revenue
Credo is fabless. That means it designs chips and connectivity products, then relies on outside manufacturers such as foundries and other supply partners to make them. This keeps Credo focused on design, customer wins, and product ramps.
The company makes money from product sales, product engineering services, and IP licensing. Product sales include integrated circuits and AECs. IP licensing lets customers use Credo's SerDes technology, which is chip technology that sends and receives very fast data streams.
Credo sells in two directions. It works with hyperscale end customers to create demand, then works with OEMs and ODMs that build the actual systems. In some wins, the end customer can require suppliers to use Credo parts.
This model can scale well when orders rise, but it has weak spots. A small number of hyperscale buyers can move revenue a lot, and Credo depends on outside supply partners to build and deliver products on time.
What Credo sells
Active Electrical Cables
AECs are high-speed cables with electronics inside them. They are the main growth driver today and powered over 99% of the fiscal 2026 revenue increase.
Integrated circuits
Credo sells chips for Ethernet and data movement, including Line Card PHYs and PCIe Retimers. These products sit inside networking and compute systems.
Optical DSPs
Optical DSPs help optical modules move data over fiber. Credo's lineup includes Seagull, Dove, Lark, Robin, and Bluebird.
OmniConnect and Weaver
OmniConnect was introduced in November 2025. Weaver is the first product in the family, a 5nm memory fanout gearbox aimed at AI inference memory limits.
SerDes chiplets
SerDes chiplets are small blocks of high-speed data technology that can be added to bigger systems. They could matter more if customers want modular chip designs.
IP solutions
Credo licenses SerDes IP to customers that want to use the technology in their own chips. This is a different revenue stream from selling hardware.
microLED interconnects
Credo added microLED optical interconnect technology through the Hyperlume acquisition in fiscal 2026. The goal is future multi-terabit links through Active LED Cables.
Where shipments go
This mix is by shipment destination for fiscal 2026. It does not remove the bigger issue: the top three end customers made up 84% of fiscal 2026 revenue.
What could break
Two-customer pause
High impact · Medium oddsCredo's top three end customers made up 84% of fiscal 2026 revenue. One pause would hurt, but two pauses at once could reset the growth story. Data center builds are large projects, so orders can be lumpy.
AEC demand cools
High impact · Medium oddsAEC products drove over 99% of the fiscal 2026 revenue increase. That makes the current story very tied to one product family. If hyperscalers slow AEC purchases, total revenue could slow fast.
New products take too long
Medium impact · Medium oddsOmniConnect and Weaver could help diversify the business. But they are new, and the internal view still has open questions on fiscal 2027 timing and revenue size. If they do not ramp, Credo stays more dependent on AECs.
Larger rivals win sockets
Medium impact · Medium oddsCredo competes with much larger semiconductor companies, including Broadcom and Marvell. These rivals have scale, broad portfolios, and deep customer ties. A lost socket can matter a lot when the customer base is concentrated.
Fabless supply chain strain
Medium impact · Low oddsCredo relies on outside manufacturing and supply partners. That is normal for a fabless chip company, but it adds delivery risk. If capacity, quality, or lead times worsen, Credo could miss customer ramps.
In one breath
What does Credo Technology do?
Credo designs high-speed connectivity products for data centers. Its main growth driver today is Active Electrical Cables, which help move data between systems in AI and cloud infrastructure.
Why is customer concentration such a big issue for CRDO?
In fiscal 2026, three end customers made up 84% of revenue. That proves Credo has large wins, but it also means a spending pause from a few customers could hit revenue hard.
What is the bull case for Credo?
The bull case is that Credo's AEC products are becoming important across several hyperscale customers. If those ramps last and new products like OmniConnect add revenue, the business becomes less dependent on one product cycle.
What should investors watch next?
Watch whether Customer B, Customer D, and Customer E keep ordering in fiscal 2027. Also watch for a fourth customer above 10% of revenue and early signs that OmniConnect or Weaver can become meaningful.