Data as of 23 August 2026 · Source: iShares LQD and HYG ETF holdings (BlackRock) · Updated daily

The dominance of financial institutions among the largest corporate bond issuers underscores the sector’s structural reliance on debt capital markets for funding. JPMorgan Chase, Goldman Sachs and Morgan Stanley occupy the top three positions, collectively accounting for approximately £2.5bn in outstanding debt across 118 individual securities. This concentration reflects both the scale of balance sheet financing required by systemically important banks and their frequent issuance to meet regulatory capital requirements. Technology firms have emerged as formidable borrowers, with Amazon, Oracle and Meta Platforms commanding substantial positions despite their considerable cash reserves. Their presence suggests strategic debt issuance to fund acquisitions, share buybacks and capital expenditure whilst preserving offshore liquidity. Oracle’s 46 outstanding bonds indicate particularly active capital markets engagement, likely stemming from its acquisition-led growth strategy. The telecoms sector’s representation through AT&T and Verizon reflects the capital-intensive nature of network infrastructure investment. Notably absent from the upper echelons are traditional industrial and energy names, pointing to a market increasingly shaped by financial services and technology rather than the manufacturing enterprises that once dominated American corporate debt issuance.

Top 50 US Corporate Bond Issuers by Market Value Outstanding

Market values represent holdings within iShares LQD (investment grade) and HYG (high yield) ETFs only and are a proxy for — not the complete picture of — bonds outstanding. Actual bonds outstanding will be higher. Source: BlackRock iShares. Data refreshed daily after market close.