AAOI vs. Fabrinet: Which AI Data Center Stock Is the Better Buy?
Applied Optoelectronics (AAOI) and Fabrinet (FN) are benefiting from AI-driven data-center demand. AAOI reported $107.66M in Q2 2026 data-center revenues, up 140.4% YoY, with 800G revenues at $12.8M. FN saw Q4 2026 data-center revenues of $669M, up 68% YoY. AAOI faces production constraints, while FN is expanding capacity. AAOI shares surged 206.9% YTD, while FN shares fell 11.4%.
How this was made

The 30-second read
Why it matters
Both firms show strong top‑line growth, but differing operational challenges may affect short‑term price moves.
Market read
The piece offers a side‑by‑side view of two sector players, useful for investors weighing exposure to AI data‑center supply chains.
What to watch
Potential supply‑chain disruptions and customer concentration risks are not fully quantified.
Background
The article compares two AI‑focused optical networking companies, summarizing recent quarterly results and forward guidance.
Ticker impact
Q2 2026 data‑center revenue $107.66M (+140% YoY) and 800G revenue $12.8M (+10x YoY) were reported.
Potential short‑term pressure if capacity issues persist; upside if capacity expands.
Growth figures are impressive yet the article highlights supply bottlenecks that could limit near‑term performance.
Q4 FY2026 data‑center revenue $669M (+68% YoY) and FY27 Q1 guidance $1.375‑$1.425B were disclosed.
Likely supportive for the stock if capacity additions materialize on schedule.
Guidance shows strong growth, but execution risk remains with large capital projects.
Market effects
Highlights continued AI‑driven demand for high‑speed optical components across the data‑center sector.
U.S. and Asian data‑center manufacturers may see increased ordering pressure.
Reinforces broader AI infrastructure investment trends affecting multiple hardware suppliers.
Counterpoint
Capacity constraints and high valuation multiples could limit upside for both stocks.
Key entities
- CompanyApplied Optoelectronics
Provider of high‑speed optical transceivers (ticker AAOI).
- CompanyFabrinet
Manufacturer of optical packaging and data‑center infrastructure (ticker FN).



