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No public source we could locate confirms that DayOne is in early talks with banks for a $500 million bond. The figure appears in older, different reporting: a February 2025 Bloomberg report on a possible $500 million U.S. IPO, and a December 2025 company announcement of a €500 million mezzanine financing. Neither is a bond. Several 2026 borrowing reports involve DayOne or its investors, but none is described as a bond either.
What the sources do and do not support
The claim that DayOne is seeking a $500 million bond from banks does not appear in the reporting we reviewed. Until a named outlet, a company statement or a regulatory filing describes such talks, the claim should be treated as unverified. Readers who saw it in a headline or social post should check whether the original report names a source and a date.
The claim is easy to confuse with three other things: an IPO that was considered in 2025, a mezzanine facility announced in late 2025, and a set of loans reported or completed in 2026. Each has a different instrument, borrower and status, so their numbers should not be combined.
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February 2025: a possible U.S. IPO
On February 11, 2025, Bloomberg reported that GDS Holdings was considering listing its international arm, DayOne, and that DayOne was in talks with banks about working on the offering. The report cited a possible $500 million U.S. IPO. An IPO is an equity sale, so this was not a bond. The report is more than a year old and describes a plan under consideration, not a completed listing.
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December 2025: a €500 million mezzanine facility
On December 4, 2025, DayOne announced a €500 million mezzanine financing facility, expandable to €1 billion by mutual agreement. Brookfield and an unnamed global sovereign investor provided it. The borrowing entity and the security are associated with DayOne’s Finland platform. DayOne described the arrangement as financing, not as a bond. Mezzanine debt ranks below senior secured loans and is usually more expensive, but the company announcement did not state the pricing or maturity, so those terms should not be assumed.
Other 2026 borrowing: what each report says
Three 2026 items involve debt. Their status differs, so each is described separately.
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Singapore: a completed SGD 530 million green loan
On August 18, 2026, DBS announced that DayOne had secured a four-year SGD 530 million green loan from DBS, OCBC and UOB for its first Singapore data center, a planned 20 MW facility. The release said the project was expected to pioneer an on-site solid oxide fuel-cell power-generation proof of concept exploring hydrogen-based energy solutions. This is a completed loan announced by the lenders, not a bond.
Hong Kong: a sought HK$1.86 billion loan
On August 21, 2026, the Business Times reported, citing people familiar with the matter, that DayOne was seeking a five-year HK$1.86 billion loan (about US$237 million) for its Hong Kong data center, and was in talks with DBS, OCBC and UOB. Because the report relies on unnamed sources, it should be read as a report of talks, not as a closed financing. DayOne has not been quoted confirming the terms in the coverage we reviewed.
Hillhouse: a roughly $600 million loan to an investor
On June 18, 2026, the Business Times reported that Hillhouse, a DayOne investor, was in preliminary talks with banks for a loan of roughly US$600 million to fund its investment in DayOne. Sources said part of the money could refinance earlier debt, and that a three-year term and a margin of 500 basis points over SOFR were possible terms. The report said terms could change. The borrower is Hillhouse, not DayOne, so this is not DayOne borrowing or a DayOne bond.
Side-by-side comparison
| Item | Instrument | Borrower or issuer | Amount | Status | Source and date |
|---|---|---|---|---|---|
| Claimed bond talks | Bond (debt securities) | DayOne | $500 million | No supporting source located | Not stated |
| Possible U.S. IPO | Equity offering | DayOne, as considered by GDS Holdings | $500 million (as reported) | Under consideration; banks in talks | Bloomberg, February 11, 2025 |
| Finland mezzanine facility | Mezzanine financing | Borrower associated with DayOne’s Finland platform | €500 million, expandable to €1 billion by mutual agreement | Announced as secured | DayOne announcement, December 4, 2025; lenders Brookfield and an unnamed sovereign investor |
| Singapore green loan | Four-year green loan | DayOne, first Singapore data center (20 MW, planned) | SGD 530 million | Completed, per lender announcement | DBS announcement, August 18, 2026; lenders DBS, OCBC, UOB |
| Hong Kong project loan | Five-year loan | DayOne, Hong Kong data center | HK$1.86 billion (about US$237 million) | Sought; talks reported, not confirmed by company | Business Times, August 21, 2026, citing unnamed sources |
| Investor loan | Loan (three-year term possible) | Hillhouse, a DayOne investor | Roughly US$600 million | Preliminary talks; terms may change | Business Times, June 18, 2026, citing sources |
DayOne’s disclosed funding and commitments
The most detailed primary source is DayOne Data Centers Limited’s registration statement on Form F-1, filed with the U.S. Securities and Exchange Commission on October 5, 2026. The filing says the company changed its name to DayOne Data Centers Limited on January 1, 2025. It reports that the company raised US$1.9 billion through Series A and Series B equity financings during 2024. It also states that, as of June 30, 2026, DayOne had US$4,937.3 million in unconditional purchase commitments related to data-center development.
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Separately, DayOne announced in January 2026 that it had raised more than US$2.0 billion of Series C financing, to fund expansion in Finland and Asia-Pacific. The same announcement, dated January 5, 2026, described approximately 1 GW of secured customer commitments. These are company-reported figures and were not independently audited in the coverage we reviewed.
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Axios Pro Rata reported on October 6, 2026 that DayOne had filed for an IPO and estimated that it could raise about US$3 billion. That figure is Axios’s estimate, not an established amount of proceeds. The same report cited first-half 2026 revenue of US$512 million and a net loss of US$77 million, compared with revenue of US$151.5 million and a net loss of US$13 million in the year-earlier period. Offering size, share structure and risk factors should be checked in the F-1 itself.
How to check a future bond claim
- Instrument: A bond is a debt security sold to investors. An IPO sells equity, and a mezzanine facility or syndicated loan is a bilateral or club financing agreement.
- Borrower: Confirm whether the borrower is DayOne, a subsidiary, a project company or an investor such as Hillhouse.
- Status: Distinguish “in talks,” “seeking,” “secured” and “completed.”
- Source: A company release, lender release or regulatory filing carries more weight than unnamed-source reporting.
- Date and amount: Note the currency and whether the figure is an estimate, a target or a signed amount.
Until a bond is described in a named report, company statement or SEC filing, the $500 million bond claim should not be presented as an established financing.
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