China Reviews Broadcom's Grip on State Data Centers - Its Switches Fill Up to 90% of the Equipment

What Happened

The Financial Times reported Wednesday, September 23, that China's State-owned Assets Supervision and Administration Commission (SASAC) - the government body that oversees the country's state-owned enterprises - has spent recent weeks quietly surveying how deeply Broadcom's networking switches are embedded inside state-controlled data centers. The preliminary finding, according to people familiar with the review, was striking: Broadcom switches account for as much as 90% of the networking hardware in use at some of these facilities. SASAC is also said to be examining whether Broadcom leveraged that dominant position to bundle products together or pressure customers into larger purchases than they needed - language that echoes past antitrust-style probes into other U.S. tech suppliers operating in China.

Broadcom shares dipped about 0.3% in premarket trading Wednesday on the news, a muted reaction that stands out given the scale of what's being described. The pullback also came after the stock had already climbed roughly 8% over five consecutive winning sessions, a run that had pushed Broadcom back into positive territory for 2026. Reuters said it could not immediately verify the FT's reporting, and neither Broadcom nor SASAC was reachable for comment outside normal business hours in either country - a reminder that this story is still developing and based on unnamed sources rather than an official announcement.

Based on the survey's preliminary results, SASAC may issue informal guidance directing state-run data centers to scale back their reliance on Broadcom equipment, as part of Beijing's broader "domestic chips for domestic use" campaign. That push aims to expand adoption of Chinese-made semiconductors and networking gear across the public sector, and the companies best positioned to benefit include Huawei, H3C Technologies, and Ruijie Networks - all of which already sell competing high-end switches domestically.

Why This Matters

Broadcom's networking chips - sold under product families like Tomahawk and Jericho - sit at the physical core of how data moves inside an AI data center. When thousands of GPUs need to communicate with each other to train or run a large model, the switches routing that traffic determine how fast and efficiently the whole cluster performs. That makes Broadcom's networking division far more than a side business: it's one of the two pillars, alongside custom AI accelerator chips built for hyperscalers, that have driven the company's AI-related revenue past $10.8 billion in a single quarter this year, up 143% from a year earlier, with guidance pointing toward roughly $21.7 billion in AI semiconductor revenue for the fiscal fourth quarter.

China is a meaningful but not dominant slice of that business. Broadcom's fiscal 2025 revenue from China, including Hong Kong, came in around $11.2 billion against total company revenue near $63.9 billion - roughly 17-18% of the total, though some earlier industry estimates have put China's share of Broadcom's networking-specific revenue meaningfully higher. Even a partial pullback by Chinese state-owned data centers wouldn't be existential for Broadcom, but it would chip away at growth in one of the company's highest-margin product lines at a moment when Wall Street has priced the stock for continued AI-driven expansion - the average analyst price target sits near $509, implying roughly 38% upside, with JPMorgan's Harlan Sur at $580 and Rosenblatt at $600.

The bigger significance is strategic rather than immediate. This SASAC review fits a now-familiar pattern: Beijing using regulatory scrutiny of a dominant U.S. tech supplier as both a genuine self-sufficiency push and a point of leverage in the broader U.S.-China technology relationship, similar to past antitrust-style examinations of Qualcomm and Nvidia's China business. None of these reviews has resulted in an outright ban so far, but each one raises the probability, however incrementally, that Chinese state demand for U.S. semiconductor equipment shrinks over time as domestic alternatives mature.

What to Take Away From This

• An unverified report can still move a stock, but the size of the move tells you something. A 0.3% premarket dip on a headline describing "up to 90%" market share exposure at risk suggests the market is treating this as an early-stage regulatory signal rather than an imminent revenue hit - watch how the stock trades once Broadcom or SASAC actually confirms or denies details.
• Revenue concentration by country is worth checking before you own a stock, not after. Broadcom's roughly 17-18% China revenue share is disclosed in its own filings; knowing that number in advance helps you size how much a China-specific headline should actually move your view of the stock.
• Regulatory reviews in China rarely arrive as a single event. They tend to unfold in stages - a survey, informal guidance, then possibly formal restrictions - so a story like this is usually the first data point in a longer process, not the last.
• Don't confuse "high market share" with "safe." Broadcom's 90% share of switches in these facilities is precisely what makes it a target for a self-sufficiency campaign; dominance invites scrutiny in a market where the government controls the largest customers.

FAQ

Has China actually banned Broadcom switches?

No. As of this report, SASAC has only conducted a survey of how widely Broadcom's switches are used and may issue informal, non-binding guidance to reduce reliance on them. No formal restriction or ban has been announced, and both Reuters and the companies involved had not confirmed the details as of Wednesday.

How much of Broadcom's revenue actually comes from China?

Broadcom's fiscal 2025 filings show roughly $11.2 billion in revenue from China, including Hong Kong, out of about $63.9 billion in total company revenue - around 17-18%. That figure covers all of Broadcom's businesses, not just networking switches, so the China exposure specific to this review is a narrower slice of that total.

Which companies could benefit if China shifts away from Broadcom?

Chinese networking equipment makers Huawei, H3C Technologies, and Ruijie Networks are the most commonly cited beneficiaries, since all three already sell competing switches domestically and align with Beijing's push to expand adoption of Chinese-made semiconductors and AI hardware in the public sector.

Why did Broadcom stock only fall slightly on this news?

The modest 0.3% premarket dip likely reflects both the early, unverified nature of the report and the fact that the stock had just rallied about 8% over the prior five sessions. Investors appear to be treating this as a developing regulatory risk to watch rather than a confirmed hit to near-term earnings.

Related reading: Bessent-He Lifeng Talks: Six Chinese AI Firms Face Model-Theft and Rare-Earth Scrutiny, Broadcom Stock Falls 6% Despite AI Revenue Growth of 221%

Sources

This article is an original synthesis and analysis based on the reporting below, not a reproduction of the original articles. Please check the source articles directly for the most current figures.

• China reviews Broadcom switch use in state-backed data centres, FT reports - Reuters via Investing.com
• Broadcom Faces China Data Center Threat as Beijing Finds Its Switches in Up to 90% of State-Owned Firms: Report - Benzinga
• AVGO Stock Falls Premarket: China Reportedly Audits Broadcom's Grip On State-Backed Data Centers - Yahoo Finance

⚠️ This article is for informational purposes only and is not investment advice. Market conditions change constantly - always verify the latest data before making investment decisions.