Online retailer Rakuten plans to apply for 4G license, invest $1.76B in infrastructure with a goal to become Japan's 4th mobile carrier with 15M subscribers
Eileen Yu / ZDNet :
Context & Ripple Effects
Rakuten's move from reselling capacity to owning a network caps years of preparation: the company had already shown an appetite for big-ticket expansion with its up-to-$1.5B share offering earmarked for acquisitions back in 2015. Applying for a 4G license and committing $1.76B to infrastructure is the step up from being a virtual operator to becoming Japan's fourth facilities-based carrier.
The target — 15 million subscribers — puts Rakuten directly against the three incumbents, including KDDI, which has been broadening beyond connectivity itself with moves like its ~$800M purchase of a 49% stake in online broker Kabu.com. The later record shows what the bet cost: by 2023 Rakuten had posted 13 straight quarters of operating loss totaling roughly $5.5B on its mobile business stuck at about 2.5% marketshare.
First-order effects
- Japan's three incumbent carriers gain a fourth competitor whose entry strategy is price-led subscriber acquisition, forcing them to defend their base rather than rely on a stable oligopoly.
- Rakuten shifts from asset-light MVNO economics to carrying the full capex burden of a network, converting its e-commerce cash flows into telecom infrastructure spending.
Second-order effects
- The capital intensity of network buildout drives repeated dilutive raises — Rakuten later issued new shares to Walmart, Tencent, and Japan Post in a $2.2B round, then raised another ~$1.9B in 2023 while moving to sell stakes in its banking and securities units to fund the mobile losses.
- Incumbents respond by deepening non-telecom revenue streams — KDDI's push into online securities shows carriers hedging against commoditized connectivity pricing.
Third-order effects
- If the pattern holds, Japan's mobile market moves from a comfortable three-carrier structure toward four-player price competition, but with entrants financing networks through their parent ecosystems' balance sheets rather than standalone telecom profits.
- The episode becomes a template case for the subscription-scale trap: hitting a headline subscriber target (15M) proves far easier than reaching operating profitability, pushing conglomerate-backed carriers toward serial equity raises and divestitures of profitable sister businesses.
The trend: E-commerce and internet conglomerates are entering facilities-based telecom as an ecosystem play, discovering that network scale demands years of subsidized losses before subscriber targets translate into profit.