BDBT vs SPAB

BDBTBBluemonte Core Bond ETF

SPABAState Street SPDR Portfolio Aggregate Bond ETF

In short

BDBT An active manager's take on the plainest job in bonds: core fixed income at 0.22% net of a waiver through August 31, 2027, below the typical core bond fund, paid out monthly.

SPAB A 2007-vintage core bond fund priced at 0.03%: roughly 8,500 US investment-grade bonds in one ticket, at the same rock-bottom fee the household names charge for the same index.

Stated mandate

BDBT The Fund seeks total return and income. It is actively managed and normally invests at least 80% of net assets, including investment borrowings, in investments providing exposure to bonds.

SPAB The fund seeks to track the price and yield performance of the Bloomberg U.S. Aggregate Bond Index before fees and expenses, providing broad exposure to U.S.-dollar-denominated investment-grade bonds.

Why people hold it

• BDBT Active management priced like a cheap fund: 0.22% net of a waiver through August 31, 2027 (0.27% gross), below the category median across 114 funds.
• Distributions land monthly, not in quarterly lumps.
• Does what the prospectus says: total return and income, with at least 80% of net assets in bond exposure, and a portfolio that lines up closely with that mandate.sec.gov
• Lands in the upper half of a crowded broad bond field whose leaders are nearly all index trackers.

• SPAB 0.03% a year against a 0.36% median for its peer group, and the same ticket price as AGG, SCHZ and BBAG on the identical index.
• Roughly 8,500 dollar-denominated investment-grade bonds in one line item, tracking the Bloomberg U.S. Aggregate Bond Index. Diversification you could not assemble bond by bond.ssga.com
• Trades actively and has tracked its index closely, putting it among the stronger implementations in the core-bond group.
• Running since 2007, now a multi-billion-dollar fund, and it pays monthly rather than quarterly.

Worth knowing

• BDBT The index giants are far cheaper: AGG, BND, SPAB and SCHZ each charge 0.03%. You are paying up for the active call.
• The 0.22% depends on a waiver running through August 31, 2027. The stated gross fee is 0.27%.
• Launched June 2025, so the record is short and spans one rate backdrop. Trading is moderate rather than heavy, so limit orders earn their keep.

• SPAB Bond prices move opposite yields. When rates rise the index falls and the fund follows it down; a 0.03% fee cannot cushion that.
• AGG, SCHZ and BBAG hold the same declared index at the same 0.03%. Picking among them comes down to spreads and platform, not the portfolio.
• Investment grade and US dollar only by mandate: high yield and foreign-currency debt sit outside the remit.ssga.com

Full BDBT profile⁠

Full SPAB profile⁠