AGG vs UCON

AGGAiShares Core U.S. Aggregate Bond ETF

UCONCFirst Trust Smith Unconstrained Bond ETF

In short

AGG Launched in 2003, one of the first funds to pack the entire U.S. investment-grade bond market into a single ticker: Treasuries, corporates and mortgage bonds, three basis points a year, cash paid monthly.

UCON A bond fund with no index to hug. UCON's mandate keeps at least 80% in fixed income and leaves the rest of the map open, spreading roughly a thousand positions across the bond market and paying out monthly.

Stated mandate

AGG The fund seeks to track the Bloomberg U.S. Aggregate Bond Index, providing broad exposure to the total U.S. investment-grade bond market.

UCON The fund seeks to maximize long-term total return and normally invests at least 80% of its net assets in fixed-income securities.

Why people hold it

• AGG 0.03% a year against a peer-group median near 0.36%. On a bond fund, the fee comes straight out of the coupon, so the gap matters more than it looks.
• A $100 billion-plus fund and very actively traded, the kind of depth that keeps bid-ask costs down for retail-sized orders.
• Tracks the Bloomberg U.S. Aggregate closely, with one of the tightest index-following records in its peer group. Income is distributed monthly.
• Running since 2003, giving it one of the longest track records among U.S. bond index ETFs.

• UCON No benchmark leash. The mandate requires at least 80% in fixed income and otherwise lets the manager roam sectors, credit tiers and maturities in pursuit of long-term total return.ftportfolios.com
• Roughly a thousand bond positions, so no single issuer's stumble dominates the portfolio.
• Cash lands monthly, and this is a multi-billion-dollar, actively traded fund rather than a thin newcomer nobody quotes.
• Trading since 2018, so the strategy has been run through both the zero-rate era and the hiking cycle that ended it.

Worth knowing

• AGG Investment grade and U.S. dollar only. High-yield debt and foreign bonds sit outside the mandate, so this is designed as core ballast rather than a yield hunt.
• Rate risk comes as it comes. The index gets tracked whether yields rise or fall, with no manager stepping in to shorten duration.
• The same index is sold by SPAB, SCHZ and BBAG at the same 0.03%. The portfolio is the commodity here; scale and trading depth are the tiebreakers.

• UCON 0.86% a year is active-manager pricing. Index aggregate trackers in the same aisle, like BND and SPAB, charge 0.03%.
• Unconstrained also means unbenchmarked. The portfolio can look nothing like a core bond index, so it moves on its own schedule.
• The mix reflects a manager's judgment, not an index rulebook, so what you own can shift as their view of rates and credit shifts.

Full AGG profile⁠

Full UCON profile⁠