Data as of 12 August 2026 · Source: iShares LQD and HYG ETF holdings (BlackRock) · Updated daily

The composition of the largest corporate bond issuers reveals a market still dominated by financial institutions, with four of the top five positions occupied by Wall Street’s bulge bracket banks. JPMorgan Chase leads with $0.9bn outstanding across 45 issues, followed closely by Goldman Sachs and Morgan Stanley, underscoring the sector’s structural reliance on debt capital markets for funding and regulatory capital requirements. Technology’s growing presence in investment-grade indices is equally striking. Amazon, Oracle and Meta Platforms collectively represent substantial issuance, reflecting Big Tech’s strategic pivot towards bond financing amid elevated cash deployment for share buybacks, acquisitions and capital expenditure. Oracle’s position is particularly notable, with 46 bonds outstanding suggesting an aggressive acquisition-driven funding strategy. The telecommunications sector maintains its traditional heavyweight status through AT&T and Verizon, both of which carry substantial debt loads from spectrum purchases and network investment. The absence of any high-yield names from the top ten confirms that market capitalisation in US corporate credit remains firmly concentrated in investment-grade territory, where issuers benefit from tighter spreads and deeper liquidity. This concentration poses diversification challenges for passive investors tracking these benchmarks.

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.