IGCB vs USIG

IGCBCTCW Corporate Bond ETF

USIGAiShares Broad USD Investment Grade Corporate Bond ETF

In short

IGCB Most investment-grade corporate bond ETFs just buy the index. IGCB hires a human: an active manager picking bonds issue by issue across roughly 400 US corporate names, with income paid monthly.

USIG Most investment-grade corporate bond funds hand you one slice of the maturity curve. USIG takes the whole thing, thousands of US dollar corporate bonds from short-dated to long, for four basis points a year.

Stated mandate

IGCB The fund is actively managed and seeks long-term total return through a diversified portfolio of investment-grade corporate bonds. Its process emphasizes fundamental research and issue selection.

USIG The fund seeks to track an index of U.S. dollar-denominated investment-grade corporate bonds.

Why people hold it

• IGCB Active by design. Managers select individual investment-grade corporate bonds on fundamental research instead of taking whatever a benchmark hands them.
• Spreads the bet across roughly 400 US investment-grade corporate bonds, so no single issuer carries the portfolio.
• Income arrives monthly rather than quarterly.
• What it holds tracks what it advertises: an investment-grade US corporate portfolio, consistent with the mandate in its own documents.

• USIG Costs 0.04% a year, against a category median near 0.19%. CORP, which tracks the same ICE BofA US Corporate Index, charges 0.41%.
• One ticker, the full USD investment-grade corporate curve: thousands of bonds, short to long. Slice funds like IGSB (1-5 year) and IGIB (5-10 year) each cover one segment.ishares.com
• Running since 2007, it has tracked its index with very little drift and is one of the more actively traded funds in its category.
• Interest lands monthly, and this is a multi-billion-dollar fund that ranks among the strongest implementations in its peer group.

Worth knowing

• IGCB The 0.35% expense ratio is a real premium over index heavyweights like VCIT and USIG, which run at a few basis points. Active selection has to earn that gap.
• A small, thinly traded fund, so bid-ask spreads can run wider than the giants'. Limit orders matter more here.
• Active means the manager's picks drive results, so the portfolio can diverge from the broad corporate index in either direction.

• USIG Owning the whole curve means long-dated bonds ride along, so the price swings more when rates move than a short-maturity slice such as IGSB.
• This is corporate credit, not Treasuries. Investment grade at purchase, but prices can fall when spreads widen or an issuer is downgraded.ishares.com
• VCIT edges it on fee at 0.03%, though that fund stays in intermediate maturities rather than the full curve.

Full IGCB profile⁠

Full USIG profile⁠