Enterprise infra just became SEA’s most explosive sector, surging 503 per cent YoY

Southeast Asia’s technology ecosystem has staged a dramatic comeback in the first half of 2026, with total venture funding hitting US$7.4 billion, a staggering 130 per cent jump compared to the US$3.2 billion raised in H1 2025, and a 122 per cent rise over the US$3.

3 billion recorded in H2 2025. The figures, drawn from Tracxn’s Geo Semi Annual Report for SEA Tech H1 2026, paint a picture of a region that has shaken off investor caution and is now pulling serious capital at a pace not seen in years. Also Read: Southeast Asia’s investors are sleeping on a US$2B ecosystem next door The resurgence is being driven by a handful of mega-rounds, a red-hot enterprise infrastructure segment, and Singapore’s increasingly iron grip on the region’s funding flows.

The mega-round effect If there is one story that defines H1 2026, it is the outsized influence of blockbuster funding rounds. The period saw 12 funding rounds of US$100 million or more, triple the four such rounds recorded in H2 2025 and double the six seen in H1 2025. Leading the charge is DayOne, a Singapore-based data centre company founded in 2022, which closed two tranches of a Series C round totalling a jaw-dropping US$4.

5 billion, comprising a US$2.5 billion close in June and a US$2 billion close in January. Backers include Hillhouse, Coatue, and the Indonesia Investment Authority.

DayOne’s cumulative funding now stands at US$6.4 billion, making it arguably the most heavily capitalised startup in the region. Behind it, open-source database platform Supabase raised US$500 million in a Series F round backed by GIC, Accel, and Craft Ventures, while cross-border payments giant Airwallex secured US$320 million in a Series H round, pushing its valuation to US$11 billion, with T.

Rowe Price, Baillie Gifford, and QED Investors among those writing cheques. Other notable rounds include AI video generation platform PixVerse (US$300 million, Series C), AI infrastructure firm SiliconFlow (US$294 million, Series B), and semico