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CORB · ARCA · ETF

AB Core Bond ETF (CORB) Price, Holdings & Fees

$708.12−1.61%−$11.60End-of-day price as of Oct 9, 2026

AB Core Bond ETF (CORB) closed at $708.12 on Oct 9, 2026, down 1.61% from the previous close of $719.72.

Share price, past year

1Y −22.77%

52-week range $684.30 – $916.84. Daily closing prices.
Monthly closing prices
Last closing price of each month
DateClose
Oct 9, 2026$708.12
Sep 30, 2026$693.19
Aug 31, 2026$714.47
Jul 31, 2026$715.85
Jun 30, 2026$710.73
May 29, 2026$738.29
Apr 30, 2026$767.93
Mar 31, 2026$817.04
Feb 27, 2026$819.29
Jan 30, 2026$846.04
Dec 31, 2025$862.71
Nov 28, 2025$870.95
Oct 31, 2025$892.61

Key statistics

Expense ratio
0.28%
as of Nov 30, 2025
Net assets
$1.1B
as of May 31, 2026
Holdings
711
as of May 31, 2026
52-week range
$684.30 – $916.84

AB Core Bond ETF's expense ratio is 0.28%: $28.00 a year on $10,000 invested.

Holdings

AB Core Bond ETF held 711 investments worth $1.06B as of May 31, 2026. Its largest holding was United States Treasury, at 3.95% of the fund.

AB Core Bond ETF largest holdings by share of net assets
#Holding% of fundValue
1United States Treasury3.95%$41.68M
2United States Treasury2.81%$29.71M
3United States Treasury2.27%$23.95M
4United States Treasury2.22%$23.43M
5United States Treasury2.18%$23.05M
6United States Treasury2.17%$22.96M
7UMBS, TBA2.15%$22.65M
8United States Treasury2.09%$22.12M
9United States Treasury1.72%$18.12M
10United States Treasury1.62%$17.06M
11Government National Mortgage Association1.55%$16.39M
12UMBS, TBA1.24%$13.10M
13United States Treasury1.21%$12.81M
14Government National Mortgage Association1.17%$12.41M
15United States Treasury1.16%$12.24M
16United States Treasury1.10%$11.58M
17Canada Government Bonds1.10%$8.40M
18United States Treasury1.06%$11.18M
19UMBS, TBA1.01%$10.69M
20FEDERAL HOME LOAN BANK1.00%$10.59M
21United States Treasury0.98%$10.39M
22Government National Mortgage Association0.96%$10.18M
23United States Treasury0.90%$9.49M
24United States Treasury0.83%$8.80M
25UMBS, TBA0.82%$8.68M

Top 25 of 711 holdings, as of May 31, 2026. Percentages are of the fund's net assets.

What the fund owns

AB Core Bond ETF holdings by asset type
Asset type% of fund
Bonds and other debt75.01%
Mortgage-backed securities24.05%
Other asset-backed securities4.62%
Cash and short-term investments3.95%
Collateralized debt obligations2.19%
Interest rate derivatives0.04%
Currency derivatives0.01%
AB Core Bond ETF holdings by country, largest 10
Country% of fund
United States94.94%
Cayman Islands2.58%
United Kingdom1.93%
Canada1.70%
France1.45%
Australia0.78%
Netherlands0.71%
Spain0.69%
Italy0.67%
Japan0.61%

Shares of net assets from the fund's N-PORT report. Funds that borrow can add up to more than 100%, with borrowing (such as repurchase agreements) shown as a negative share.

Monthly total returns

Over the 3 months to May 31, 2026, AB Core Bond ETF's total return was −1.65%, as reported to the SEC.

AB Core Bond ETF monthly total returns
MonthTotal return
May 31, 2026+0.21%
Apr 30, 2026+0.14%
Mar 31, 2026−1.99%

The fund's own total returns as reported to the SEC (N-PORT), including reinvested distributions. Not the sample prices above.

Fund profile

Name
AB Core Bond ETF
Ticker
CORB
Exchange
ARCA
Fund type
ETF
Trust
AB Active ETFs, Inc.
SEC series ID
S000093945
SEC CIK
0001496608
Fractional shares
No

Recent SEC filings

Shareholder reports and prospectuses are filed by AB Active ETFs, Inc., the trust behind AB Core Bond ETF, and cover all of its funds.

Frequently asked questions

What is CORB's price?

AB Core Bond ETF (CORB) closed at $708.12 on Oct 9, 2026, down 1.61% from the previous close of $719.72.

What is CORB's expense ratio?

AB Core Bond ETF's expense ratio is 0.28%: $28.00 a year on $10,000 invested.

What does CORB hold?

AB Core Bond ETF held 711 investments worth $1.06B as of May 31, 2026. Its largest holding was United States Treasury, at 3.95% of the fund. Its five largest holdings were United States Treasury, United States Treasury, United States Treasury, United States Treasury, United States Treasury.

How has CORB performed?

Over the 3 months to May 31, 2026, AB Core Bond ETF's total return was −1.65%, as reported to the SEC.

Sources and methodology

Holdings, net assets and monthly returns come from the fund's N-PORT filing with the SEC, as of May 31, 2026 (filed Jul 24, 2026). The expense ratio is from the fund's prospectus or shareholder report, as of Nov 30, 2025. Prices are generated sample data for development. Data sources and disclosures