Microsoft, backed by a rare AAA credit rating and impressive financial reports, successfully completed a $25 billion bond issuance, making it one of the most sought-after transactions in the history of the U.S. corporate bond market. However, behind this spectacle, the bond market's selective differentiation towards AI hyperscalers has become increasingly clear.
This offering attracted over $115 billion in peak orders, with a subscription multiple of 4.6 times. The underwriting team consists ofWells Fargo BankJPMorgan Chase and UBS led the way, narrowing the spread on longest-term bonds by up to 30 basis points from the initial guidance price.
Microsoft Chief Financial Officer Amy Hood said on this week's earnings call that the company will raise further funding "when it deems the time appropriate."
However, market participants warned thatMicrosoft's success does not mean that other tech giants will receive the same enthusiastic reception.Recent concerns surrounding AI spending and profitability have put pressure on high-risk technology bonds.BroadcomandSpaceXThe cost of credit default swaps once reached a historical high.
Jack Janasiewicz, multi-asset portfolio manager and chief strategist at Natixis Investment Managers Solutions, said, "The credit market is taking on a lot of the work of identifying winners and losers. The market remains open to issuance, but not to everyone."
Microsoft closed down 0.16% on Thursday.
AAA Rating Advantage: Microsoft's Scarce Identity
Microsoft's offering comes nearly eight years after it last hit the U.S. investment-grade bond market—raising $17 billion in 2017.
The 10 bonds launched this time range from 2 to 40 years. The pricing spread of the 40-year bond is about 105 basis points above the benchmark Treasury Bond, which is significantly lower than the level of about 133 basis points for Alphabet's bonds with the same maturity, and the latter's rating is also lower than Microsoft's.
At the rating level,Microsoft is one of the only publicly traded companies in the United States.Johnson and JohnsonThe only one to obtain simultaneouslyMoody'sAnd companies with top S&P AAA ratings,This status gives it a natural advantage to stand out in the crowded supply of technology bonds.
GW&KBrett Kozlowski, portfolio manager at Investment Management, said, "The timing of this deal feels quite opportunistic," with strong demand expected, primarily driven by market appetite for "extremely rare long-term AAA bonds," coupled with an attractive yield of over 6%.
Microsoft's fiscal quarterly results released this Wednesday also provided strong support for this offering – cloud computing revenue increased by 48% year-on-year, and capital expenditures remained within a controllable range, alleviating investors' concerns about large-scale investments in AI.
In a report released Thursday, CreditSights analysts noted that the $25 billion bond issuance would only slightly increase Microsoft's total lease-adjusted leverage ratio to 0.7 times, keeping its balance sheet healthy.
The bond market's absorption capacity is reaching its limit; Microsoft's 30-year yield spread is higher than that of Procter & Gamble, which has a lower rating.
Despite Microsoft's smooth sailing, the supply of bonds across the hyperscale cloud computing industry is nearing the limit that investors can afford.
According to data compiled by Bloomberg, as of ThursdayHyperscale cloud computing vendors and data center developers have raised more than $313 billion this year through global investment-grade bond issuances, nearly double the total for the entire year of 2025.And pushed total global bond issuance to a record $6.63 trillion.
Faced with market saturation, some large borrowers have begun to proactively cool down. Oracle disclosed this week that it has committed to a $10 billion cap on net debt increases through fiscal year 2030 to alleviate investor concerns about its debt expansion. Meta then turned to the stock market, completing a $25 billion equity financing round.
Microsoft's own pricing also reflects the market's cautious sentiment.Despite its AAA rating, its 30-year bond spread was 95 basis points above the benchmark Treasury Bond, which was higher than the lower-rated 30-year bond issued in the same week by Procter & Gamble, which was priced at a 60 basis point spread, the lowest premium since 2003.
Ayako Yoshioka, Director and Senior Investment Strategist at Wealth Enhancement, stated, "I would not hesitate to subscribe to 5-year or 7-year Microsoft bonds. However, once extended to 30 years, the uncertainty surrounding the business model still needs to be reflected in the pricing."
