AGG vs DFCF

AGGAiShares Core U.S. Aggregate Bond ETF

DFCFADimensional Core Fixed Income 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.

DFCF Most big aggregate-bond ETFs copy an index. DFCF doesn't: Dimensional runs it actively, shifting maturity and credit exposure to target expected term and credit premiums, for 0.17% (net of a waiver through February 28, 2027).

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.

DFCF The fund seeks to maximize total returns from its universe of eligible investments.

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.

• DFCF No index to hug. Within investment-grade rules, the managers lengthen or shorten maturities and lean into credit as expected term and credit premiums change.sec.gov
• 0.17% net of a waiver through February 28, 2027 (0.18% gross), below the category median. Active bond management usually asks for more.
• Roughly 1,700 bonds spanning Treasuries, agency mortgage debt, corporates and supranational issuers, held in a multi-billion-dollar fund that trades actively.sec.gov
• One of the stronger implementations in a crowded aggregate-bond field, and the portfolio has stayed inside the mandate its prospectus describes.

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.

• DFCF The index giants are cheaper: AGG, SCHZ and BND each charge 0.03%. You're paying up for the active tilts.
• The prospectus allows an emphasis on the lower half of investment grade (BBB- to A+), so credit risk can run hotter than a Treasury-heavy tracker.sec.gov
• Duration isn't pinned to an index. Maturity exposure moves with the managers' read on term premiums, so rate sensitivity can drift over time.sec.gov

Full AGG profile⁠

Full DFCF profile⁠