---
ticker: "CORB"
name: "AB Active ETFs, Inc. - AB Core Bond ETF"
url: "https://etf.net/etf/CORB"
grade: "B"
score: 63
graded_at: "2026-10-12"
category: "US Aggregate Bond"
category_rank: "54 of 117"
methodology: "https://etf.net/methodology"
---

# CORB: AB Active ETFs, Inc. - AB Core Bond ETF

Grade **B**, Score 63 of 100. Rank 54 of 117 in US Aggregate Bond.

Graded Oct 12, 2026.

## Grade pillars

| Pillar | Score | Category rank |
| --- | --- | --- |
| Cost | 60 | 43 of 117 |
| Mission | 100 | 1 of 101 |
| Risk | 29 | 108 of 116 |
| Tradability | 62 | 32 of 117 |
| Holdings | 41 | 87 of 116 |
| Durability | 43 | 77 of 117 |

## Top holdings

The fund holds 724 positions. These are the largest 30, by weight.

| # | Ticker | Name | Weight |
| --- | --- | --- | --- |
| 1 | — | Us 5YR Note (Cbt) DEC26 Xcbt 20261231 | 10.43% |
| 2 | — | Us 10YR Note (CBT)DEC26 Xcbt 20261221 | 3.23% |
| 3 | — | Us Treasury N/B 09/28 4.625 | 3.22% |
| 4 | — | Us Dollar | 3.02% |
| 5 | — | Us Treasury N/B 10/31 4.125 | 2.36% |
| 6 | — | Treasury Bill 11/26 0.00000 | 2.23% |
| 7 | — | Us Treasury N/B 11/28 3.125 | 2.16% |
| 8 | — | Us Treasury N/B 09/31 3.625 | 2.15% |
| 9 | — | Fnma Tba 30 Yr 5.5 Single Family Mortgage | 2.12% |
| 10 | — | Us Treasury N/B 08/31 3.75 | 2.10% |
| 11 | — | Us Treasury N/B 09/30 3.625 | 1.97% |
| 12 | — | Fnma Tba 30 Yr 2 Single Family Mortgage | 1.97% |
| 13 | — | Us Treasury N/B 03/31 3.875 | 1.81% |
| 14 | — | Us Treasury N/B 11/55 4.625 | 1.79% |
| 15 | — | Gnma Ii Tba 30 Yr 2.5 Jumbos | 1.55% |
| 16 | — | BS3GA92 Irs Jpy R V 00MTONAR IS3GAA3 Ccpois | 1.43% |
| 17 | — | BS3G9B7 Irs Jpy R V 00MTONAR IS3G9C8 Ccpois | 1.43% |
| 18 | — | BS3G9D9 Irs Jpy R V 00MTONAR IS3G9E0 Ccpois | 1.42% |
| 19 | — | Gnma Ii Tba 30 Yr 5 Jumbos | 1.41% |
| 20 | — | Us Treasury N/B 11/33 4.5 | 1.27% |
| 21 | — | Us Treasury N/B 02/29 4.25 | 1.23% |
| 22 | — | Tsy Infl Ix N/B 07/33 1.375 | 1.19% |
| 23 | — | Aust 10Y Bond Fut DEC26 Xsfe 20261215 | 1.13% |
| 24 | — | Us Treasury N/B 04/28 3.5 | 1.06% |
| 25 | — | SS3GA70 Irs Jpy R F 2.95689 IS3GA70 Ccpois | 0.96% |
| 26 | — | Fnma Tba 30 Yr 2.5 Single Family Mortgage | 0.89% |
| 27 | — | Us Treasury N/B 06/29 4.25 | 0.88% |
| 28 | — | Gnma Ii Tba 30 Yr 4.5 Jumbos | 0.86% |
| 29 | — | Gnma Ii Tba 30 Yr 4 Jumbos | 0.86% |
| 30 | — | Fnma Tba 30 Yr 5 Single Family Mortgage | 0.85% |

Source: etf.net, https://etf.net/etf/CORB. Please cite the page URL.