SPAB ranks 2nd and NUBD 22nd of 114 funds in the US Aggregate Bond Category.
NUBD vs SPAB
SPAB −0.09pt a year
0.12%0.03%
SPAB 31.7×the volume
98.1K3.11M
SPAB +0.1pt
−0.3%−0.2%
NUBD vs SPAB Performance
−1.3%−0.9%
- NUBD 0.12%
- SPAB 0.03%, better
- NUBD $495M
- SPAB $10.4B
- NUBD −0.4%
- SPAB −0.2%, better
- NUBD 4.12%
- SPAB 4.20%, better
- NUBD 2491
- SPAB 8697
- NUBD 98.1K sh
- SPAB 3.11M sh, better
- NUBD $21.56
- SPAB $24.78
ETF.net Grade
| Pillar | NUBD | SPAB |
|---|---|---|
| Cost | A82 | A97Higher |
| Mission | A100 | A100 |
| Risk | C47 | C47 |
| Tradability | C47 | A90Higher |
| Holdings | A72 | A76Higher |
| Durability | B65 | A91Higher |
Rank among US Aggregate Bond funds
Same Category. NUBD and SPAB are both graded against the same 114 US Aggregate Bond funds, so their Grades compare head to head.
Our read on each fund
NUBDA
SPABA
In short
NUBD The core bond index, run through an ESG filter. NUBD tracks a Bloomberg MSCI U.S. Aggregate ESG Select benchmark across roughly 2,400 investment-grade bonds, at a fraction of what the typical bond fund in its group charges.
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
NUBD The Fund passively invests in diversified U.S. investment-grade bonds that meet environmental, social and governance criteria and seeks to track the Bloomberg Barclays MSCI U.S. Aggregate ESG Select Index before fees and expenses.
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
Worth knowing
NUBD vs SPAB Holdings
How we measure overlap
Each holding counts at its smaller weight in the two funds, summed over the full Holdings. Sector, country and asset class use the same rule on each fund’s split. Cash, FX and derivative lines stay out of the counts. Two bond funds get no overlap figure.
NUBD vs SPAB Cost
Overpaying NUBD vs SPAB
$1,882
On $10,000 over 30 years. 7% growth a year before fees, expense ratio only.
NUBD 0.12%
$2,520
SPAB 0.03%
$638
Cost over time
Year by year
| Year | NUBD | SPAB | Overpaying |
|---|---|---|---|
| 10 | $220 | $55 | $165 |
| 20 | $859 | $216 | $643 |
| 30 | $2,520 | $638 | $1,882 |
- 0.12%NUBD
- 0.03%SPAB, cheaper
- Middle half of US Aggregate Bond funds
- Median 0.34%
SPAB 2nd cheapest of 114 funds
NUBD 21st cheapest of 114 funds
NUBD vs SPAB Dividends
- NUBD 4.12%
- SPAB 4.20%, better
- NUBD $0.89
- SPAB $1.04
- NUBD $0.08
- SPAB $0.09
- NUBD Oct 1, 2026
- SPAB Oct 1, 2026
- NUBD Oct 2, 2026
- SPAB Oct 6, 2026
- NUBD Monthly
- SPAB Monthly
Distribution history
NUBD vs SPAB Risk
Fall from peak · 5 years
- NUBD
- SPAB
Risk facts
- Volatility
- NUBD 5.5%, betterSPAB 5.6%
- Return per unit of risk
- NUBD 0.14SPAB 0.17, better
- Worst fall
- NUBD −17.2%, betterSPAB −17.4%
- Market sensitivity
- NUBD 1.00SPAB 1.00Same figure. Both funds show the same value, so neither comes out ahead.
NUBD and SPAB in the news
Popular comparisons
- 0.12% · 0.03%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.03% · 0.03%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.12% · 0.06%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.03% · 0.06%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.12% · 0.03%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.03% · 0.03%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.

