172 Million Shares at HK$32.96: Inside Ligent's $727M Hong Kong IPO and the Optical Land Grab Fueling AI Data Centers

The least glamorous layer of the AI boom is having its public-market moment. Ligent Technologies, a San Jose-headquartered, Chinese-owned maker of optical transceiver modules, has filed to raise as much as HK$5.7 billion (about US$727 million) in a Hong Kong initial public offering, with trading targeted for September 22. The offering prices 172 million shares at HK$32.96 apiece, valuing the company at roughly HK$32.4 billion (US$4.13 billion).

The filing is the clearest sign yet that the AI infrastructure boom has moved downstream — from the GPUs everybody argues about to the fiber, lasers, and transceivers that actually move tokens between them.

What Ligent actually sells

Ligent makes optical communication and connectivity products — the transceiver modules that convert electrical signals to light and back, linking GPUs to each other and to the network fabric inside hyperscale data centers. According to the prospectus figures reported by Reuters and theEdge, about 70% of Ligent’s revenue comes from datacom modules used for AI data center GPU-to-GPU interconnects. The remainder spans telecom-grade optics and other connectivity hardware.

The financial trajectory explains the timing. First-half 2026 revenue rose 27.7% year on year to 5.39 billion yuan (about US$803 million) — the kind of growth that makes a public listing attractive both for the company and for its early backers, which include Chinese electronics giant Hisense.

At the CIOE 2026 optics expo earlier in September, Ligent unveiled a comprehensive AI optical interconnect product matrix featuring NPO/XPO (near-packaged/co-packaged optics variants) and high-power lasers — a signal that it intends to compete not just in today’s pluggable-module market but in the co-packaged optics generation that Nvidia and others are expected to adopt at scale.

Cornerstones anchor the deal

Nearly 30 cornerstone investors — including Primavera Capital, Mirae Asset, and Barings — have committed about $340 million, covering roughly 47% of the offering. Cornerstone commitments of that breadth matter in Hong Kong, where recent mega-listings have lived or died on early demand signals. The precedent is fresh: rival Zhongji Innolight raised $6.8 billion in its Hong Kong debut in July 2026 and has since watched its first-half net profit surge to 13.65 billion yuan on overseas AI demand.

Proceeds are earmarked for research and development and factory expansion — capacity, in other words, at exactly the moment when AI clusters are shifting from 800G to 1.6T interconnect speeds and beyond.

Why optical interconnect is the choke point

The strategic logic behind this IPO extends well beyond one company. According to projections cited by Tom’s Hardware, the global AI data center optical interconnect market is expected to reach $144.4 billion by 2030, up from $13.7 billion in 2024 — a more than tenfold increase, with silicon photonics (including co-packaged optics) accounting for nearly two-thirds of eventual revenue.

The reason is physics and economics. Inside a modern AI training cluster, GPUs spend much of their time waiting on communication. As clusters scale past a hundred thousand accelerators, the interconnect fabric — not the silicon — increasingly determines both performance and cost. Every GPU added to a cluster needs high-bandwidth optical links to its neighbors, and those links must be refreshed every hardware generation as speeds double.

That has turned optical transceivers into one of the quiet cash engines of the AI economy. Zhongji Innolight, the incumbent leader whose modules connect Nvidia’s GPUs, has become one of the most contested Chinese suppliers in the industry — strong enough to raise $6.8 billion in Hong Kong, scrutinized enough to attract Pentagon attention amid US-China tech tensions.

The geopolitics of a Chinese optics champion listing in Hong Kong

Ligent’s listing carries a geopolitical undertone that would have been absent two years ago. The company is Chinese-owned but headquartered in San Jose — a straddling position that mirrors the industry itself. Chinese suppliers dominate global optical transceiver rankings, while their biggest customers are US hyperscalers and AI labs whose hardware spending is shaped by Washington’s export-control regime.

A successful $727 million raise would give Ligent the capital to expand manufacturing capacity precisely as US policymakers debate how tightly to restrict Chinese involvement in the AI supply chain. And Hong Kong — rather than New York or London — signals where the liquidity is: Zhongji Innolight’s July debut proved that global institutional money will show up for AI-infrastructure exposure regardless of listing venue.

What to watch on September 22

Three things will determine whether Ligent’s debut becomes a bellwether or a footnote:

1. First-day pop or fizzle. Innolight’s success set a high bar; a weak Ligent open would cool the optical-sector listing pipeline that several other Chinese component makers are reported to be preparing.
2. The 1.6T transition. Ligent’s R&D claims around NPO/XPO and high-power lasers will be tested as hyperscalers qualify next-generation modules. Winning those design slots decides the next revenue cycle.
3. Policy risk. Any move to extend US export controls toward optical components — so far targeted at GPUs and advanced logic, not photonics — would reshape Ligent’s addressable market overnight.

For now, the market has rendered its preliminary verdict: cornerstones committed, the book is covered, and the AI boom’s plumbing is going public. The GPUs get the headlines; the light gets the money.

Sources

• Reuters — China’s Ligent seeks about $723 million in Hong Kong IPO
• Bloomberg — Ligent Files for $727M Hong Kong IPO to Fund AI Data Center Expansion
• The Edge Markets — China’s Ligent seeks about US$723 mil in Hong Kong IPO
• China Daily Asia — Optical equipment maker Ligent seeks about $723m in HK IPO
• Finimize — Hisense-Backed Ligent Lines Up A Hong Kong IPO