Generated October 3, 2026.
Figures quoted in this analysis are from its generation date and may lag the live snapshot table above, which always shows the latest data.
Overview
AGG and VCIT are both bond ETFs with monthly distributions and identical 0.03% expense ratios, but they track fundamentally different parts of the fixed-income market. AGG holds the full Bloomberg Aggregate—roughly 40% Treasury/government, 20% corporate, and 40% mortgage-backed and asset-backed securities. VCIT isolates intermediate-term investment-grade corporate bonds only, offering a narrower, higher-yielding slice of the credit market.
How they differ
The biggest difference is scope: AGG is a broad bond-market fund, while VCIT is a single-sector corporate play. That explains the yield gap—5.23% for VCIT versus 4.25% for AGG—since corporates typically offer more income than Treasuries and agency MBS. AGG's $137B asset base is roughly double VCIT's $67.3B, reflecting its role as a core holding. Duration and credit exposure differ too: AGG mixes interest-rate risk across government and mortgage sectors, while VCIT carries concentrated credit risk in the intermediate corporate space. Both have identical 0.03% fees, so cost is not a differentiator.
Who each is best for
- AGG: Fits investors building a broad, government-plus-corporate fixed-income foundation with minimal basis risk—useful as a core holding when broad-market bond exposure aligns with portfolio goals.
- VCIT: Designed for portfolios already anchored elsewhere in Treasuries or mortgages, where adding targeted corporate-bond income addresses a specific sleeve without duplicating government or securitized exposure.
Key risks to know
- Credit spread widening: VCIT's concentration in investment-grade corporates means its NAV is sensitive to corporate bond spreads tightening or widening. A recession or credit shock can push spreads wider quickly, hurting both price and income durability.
- Interest-rate duration risk: AGG has a longer effective duration (23 years) due to its mortgage holdings, making it more sensitive to Treasury yield moves than VCIT's intermediate corporate duration.
- Mortgage prepayment and extension risk: AGG's 69222934194 larger mortgage allocation exposes it to prepayment risk in falling-rate environments and extension risk when rates rise—risks absent from VCIT's pure corporate profile.
- Credit concentration within corporates: VCIT's narrower universe means holdings overlap more densely in intermediate-term corporate issuers; sector or industry downturns affect a larger share of the fund.
Bottom line
If you need broad fixed-income ballast covering government, corporate, and mortgages with minimal complexity, AGG's size and diversification stand out. If your portfolio already has Treasury or mortgage exposure elsewhere and you want to layer in additional corporate income, VCIT's 5.23% yield and corporate-only focus offer a more surgical fit. Past performance of either fund does not predict future results; credit and duration risk apply to both, though in different proportions.
AI-generated analysis for educational purposes only. Verify important details independently; past performance does not guarantee future results.