The Long and Short

Breakdown of recent IG issuance and maturities

| December 12, 2025

This material is a Marketing Communication and does not constitute Independent Investment Research.

Total investment grade corporate bond issuance stands at $1.66 trillion for the year with only a few issuers likely to tap the market in the days ahead. This ranks second only to the more than $1.90 trillion bonanza of 2020. While projections for both gross and net supply for 2026 vary, most anticipate another banner year. As the new year rapidly approaches, it helps to examine issuance in recent years to gauge potential trends ahead, as well as understand how upcoming maturities compare to the recent past.

One of the most notable trends in new issue for much of 2025 was the lack supply in the long end of the curve (Exhibit 1). Most notably, new issue volume of 30-year or longer maturities is finishing around 11%. That compares with nearly 15% in the prior year and recent peaks of roughly 20% during the heights of Covid when rates were artificially low and government assistance helped backstop the market, enabling more issuers to move out the curve. Even new issue 10-year paper at 27% was down materially from the previous two years. The noteworthy late push of jumbo debt launches in technology was not enough to balance the lack of supply during the first three quarters. The bid for longer paper remained technically strong throughout most of the year. With AI infrastructure buildout expected to be a continuing theme in 2026, look for the balance of 30-year and longer debt to return to more typical levels.

Exhibit 1: Annual new issue volume by maturity

Source: Santander US Capital Markets LLC, Bloomberg LP

Looking at the new issue calendar by rating category, the percentage of new debt issued in the lowest two rating categories (‘BBB’, ‘BBB-‘) was down slightly from the prior two years at 17.6% and 11.7%, respectively (Exhibit 2). Meanwhile, debt issued in the ‘BBB+’, ‘A-‘ and ‘AA-‘ categories were all on the rise throughout the year. Again, the expectation for large-scale, jumbo debt launches in the broader TMT space in 2026 could keep these trends progressing and add technical pressure to the lower rated categories for index investors.

Exhibit 2: Annual new issue volume by rating

Source: Santander US Capital Markets LLC, Bloomberg LP

New issue volume in the tech sector reached 10.4% in 2025 (Exhibit 3). That compares with a year-end index weighting of about 9.5% and is double the relative amount issued just two years ago. Comparatively, percentage issuance in the utilities, banking and consumer non-cyclicals have all been trending downward over the past three years. There was also a considerable year-over-year drop in insurance issuance by percentage.

Exhibit 3: Annual new issue volume by sector

Source: Santander US Capital Markets LLC, Bloomberg LP

Much attention was made about the notable maturity wall in 2025 as a result of all the 5-year debt issued during the 2020 boom of new issue volume, and the prospect for significant issuance leading into the year. Still, with over $800 billion in approaching debt maturities in 2026, there is a considerably large maturity burden approaching that has projections for gross issuance inflated for the coming year as well. A breakdown of the original tenors of that debt coming due over the next twelve months versus the previous two years demonstrates a considerably large portion of 10-year debt reaching maturity (Exhibit 4). Comparatively, the percentage of 3-year debt reaching maturity is down significantly over the prior two years.

Exhibit 4: Upcoming and recent debt maturities by original tenor

Source: Santander US Capital Markets LLC, Bloomberg LP

Looking at the maturity schedule on ratings basis, the percentage amount of debt in all three ‘BBB’ rating categories appears to be coming down off higher levels from the previous two years (Exhibit 5). Meanwhile, all three categories of single-A debt are up significantly versus the schedule at the same time last year. Given the relative drought of lower-rated paper demonstrated above in the previous year, this conceivably keep technical pressure among BBBs relative to the rest of the market.

Exhibit 5: Upcoming and recent debt maturities by rating

Source: Santander US Capital Markets LLC, Bloomberg LP

The last breakdown of the upcoming maturity schedule for 2026 demonstrates broad sectors on a percentage basis (exhibit 6). Not surprisingly, tech maturities are on the rise commensurate with recent new issue growth, and a higher share of the overall index. Beyond a slight stepdown in consumer for next year and slight rise in insurance, the balance of upcoming debt maturities remains remarkably similar for 2026 versus the two prior years.

Exhibit 6: Upcoming and recent debt maturities by sector

Source: Santander US Capital Markets LLC, Bloomberg LP

Dan Bruzzo, CFA
dan.bruzzo@santander.us
1 (646) 776-7749

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