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CORB

GradeBNew York Stock Exchange Arca

AB Active ETFs, Inc. - AB Core Bond ETF

Core US Bond · Alliance Bernstein · Inception 2025-11-07

$28.55−0.07 (−0.24%)

As of Sep 23, 2026, 11:04 AM EDT

History starts Nov 10, 2025.History starts Nov 10, 2025.
Intraday session: down, 2 prints from 28.62 to 28.55. Range 28.55 to 28.55. Use the arrow keys to read each point.$28.00$29.00$29.5010 AM12 PM2 PM4 PM
Expense ratio
0.28%
Fund size
$1.2B
1Y return
—
Yield · Last 12 months
Data unavailable
Holdings
724
Volume · 30D
0.1M sh
NAV per share
$28.58
52W range
low $28.49high $30.36

The ETF.net CORB Grade

B

61/ 100

Rank 59 of 118 in US Aggregate Bond⁠

Confidence High

Six-pillar profile for CORB. Scores out of 100: Cost 60, Risk 22, Mission 100, Tradability 59, Holdings 40, Durability 43. Strongest: Mission (100). Weakest: Risk (22). Leans toward Mission.
F< 25
D≥ 25
C≥ 40
B≥ 55
A≥ 70

Score 61 of 100 sits in the B band. Bands: A ≥ 70, B ≥ 55, C ≥ 40, D ≥ 25, F < 25; the scale skips E.

  • Cost

    What you pay to own it — the expense ratio plus trading frictions, ranked within its category.
    BScore 60
    Category rank48/118 · top 41%

  • Mission

    How faithfully it does the job it claims — tracking its mandate or index with minimal slippage.
    AScore 100
    Category rank15/100 · top 15%

  • Risk

    How violently it can move — volatility, drawdown depth, and downside capture versus its category.
    FScore 22
    Category rank117/117 · bottom quartile

  • Tradability

    How cheaply and easily you can get in and out — liquidity, spread, and premium/discount stability.
    BScore 59
    Category rank40/118 · top 34%

  • Holdings

    What it actually owns — the quality, breadth, and concentration of the underlying portfolio.
    CScore 40
    Category rank89/117 · bottom quartile

  • Durability

    Whether it will still be here — the fund’s assets, age, flows, and issuer staying power.
    CScore 43
    Category rank78/118 · mid-pack

Graded as of Sep 22, 2026

CORB Holdings

As of Sep 20, 2026, 7:29 AM
Asset class
Bonds
Holdings
724
Top-10 weight
31%
Largest holding
US 5YR NOTE (CBT) DEC26 XCBT 2026123111.0%

Sectors

  • Technology37.9%
  • Financials11.7%
  • Communication10.0%
  • Consumer Discr.9.6%
  • Health Care9.1%
  • Industrials8.4%
  • Cons. Staples4.6%
  • Energy3.0%
  • Utilities2.3%
  • Real Estate1.9%
  • Materials1.7%

Geography

  • United States86.93%
  • United Kingdom2.21%
  • France1.91%
  • Australia0.97%
  • Canada0.92%
  • Netherlands0.82%
  • Italy0.81%
  • Spain0.67%
  • Other countries (21)4.76%
The fund’s holdings, weight-ordered — page 1 of 49.
#TickerCompanyWeight %SharesMarket valueIn ETFs
001—US 5YR NOTE (CBT) DEC26 XCBT 2026123111.04%142,000,000$148M24
002—US 10YR NOTE (CBT)DEC26 XCBT 202612212.52%31,900,000$34M13
003—US TREASURY N/B 09/28 4.6252.43%32,631,500$33M32
004—US TREASURY N/B 10/31 4.1252.41%33,442,600$32M26
005—TREASURY BILL 11/26 0.000002.25%30,435,700$30M19
006—US TREASURY N/B 11/28 3.1252.19%30,348,100$29M30
007—FNMA TBA 30 YR 5.5 SINGLE FAMILY MORTGAGE2.18%30,057,110$29M52
008—US TREASURY N/B 08/31 3.752.15%30,250,100$29M22
009—US DOLLAR2.11%28,367,967$28M223
010—FNMA TBA 30 YR 2 SINGLE FAMILY MORTGAGE1.97%34,378,349$26M35
011—US TREASURY N/B 09/31 3.6251.93%27,339,300$26M24
012—US TREASURY N/B 11/55 4.6251.90%28,277,300$25M34
013—US TREASURY N/B 03/31 3.8751.85%25,768,700$25M40
014—US TREASURY N/B 09/30 3.6251.74%24,420,900$23M32
015—GNMA II TBA 30 YR 2.5 JUMBOS1.62%26,295,818$22M23

Showing 1–15 of 722 holdings

CORB Performance

Shows how $10,000 changes over the selected period, with cash distributions reinvested at the closing price on each ex-dividend date.

CORB$9,831
SPY tracks large US stocks. It provides market context, rather than representing this fund’s strategy, asset class or investment benchmark.$11,430
Dec 31, 2025 to Sep 22, 2026. CORB $9,831. SPY $11,430. Use the arrow keys to read each point.$9,119$10,381$11,642Dec 2025May 2026Sep 2026

Dec 31, 2025 – Sep 22, 2026

Returns run to the Sep 22, 2026 close, with cash distributions reinvested. Each period starts on the same date that many months or years earlier. Periods over one year show the average yearly return.

Trailing total return for CORB. Periods over one year show the average yearly return.
PeriodCORB
Year to date−1.7%
1 month−1.2%
3 months−1.7%
1 yearFund is under 1 year old—
3 yearsFund is under 3 years old—per year
5 yearsFund is under 5 years old—per year
10 yearsFund is under 10 years old—per year

As of the close, with distributions reinvested.

Calendar-year total return with cash distributions hypothetically reinvested at the ex-dividend date’s closing price. The current year shows year to date.

Annual total returns for CORB
YearReturn barCORB
2026 YTD−1.7%
2025+0.2%

History from Nov 10, 2025

CORB in the news

ETF.net Research hasn’t filed on CORB yet — coverage lands here as it’s written.

CORB Dividends

Adds up every distribution paid per share over the last 12 months, divided by the last completed close. Distributions are counted by ex-date. Data through Sep 22, 2026.
Data unavailableLast 12 months
Payout per share
Data unavailableLast 12 months
Last payment
$0.09 per share
Paid on
Shares bought on or after this date do not qualify for this distribution.
Frequency
Monthly

Distribution data unavailable.

Distribution history

2025–2026

One bar per payment. 10 payments from 2025 to 2026 YTD. Dec 1, 2025 $0.07; Dec 31, 2025 $0.17; Feb 2, 2026 $0.09; Mar 2, 2026 $0.09; Apr 1, 2026 $0.09; May 1, 2026 $0.09; Jun 1, 2026 $0.10; Jul 1, 2026 $0.10; Aug 3, 2026 $0.10; Sep 1, 2026 $0.09. Use the arrow keys to read each point.20252026YTD
Ex-datePay dateAmount per share
Sep 1, 2026Sep 4, 2026$0.09
Aug 3, 2026Aug 6, 2026$0.10
Jul 1, 2026Jul 7, 2026$0.10
Jun 1, 2026Jun 4, 2026$0.10
May 1, 2026May 6, 2026$0.09
Apr 1, 2026Apr 7, 2026$0.09
Mar 2, 2026Mar 5, 2026$0.09
Feb 2, 2026Feb 5, 2026$0.09
Dec 31, 2025Jan 5, 2026$0.17
Dec 1, 2025Dec 4, 2025$0.07

CORB Risk

How much the fund’s monthly returns vary, scaled to a year.
—
Launched Nov 2025; fills in after 12 months
How it’s calculated: standard deviation

The sample standard deviation of monthly total returns, multiplied by the square root of 12.

Uses up to 36 complete months, with at least 12 required. Total returns include reinvested distributions.

Return above 3-month US Treasury bills per unit of volatility.
—
Launched Nov 2025; fills in after 12 months
How it’s calculated: Sharpe ratio

Subtract each month’s Treasury-bill return from the fund’s monthly total return.

Divide the average of those excess returns by their sample standard deviation, then multiply by the square root of 12.

Uses up to 36 complete months, with at least 12 required. Each month uses the Treasury yield quoted at the end of the previous month.

The largest fall from a peak to the low that followed.
—
Launched Nov 2025; fills in after 12 months
How it’s calculated: maximum drawdown

The largest percentage decline from an earlier peak, using total returns with reinvested distributions.

Uses up to five years through the last close, with at least 12 months required.

How strongly the fund’s returns move with its asset-class index.
0.08
vs its asset-class index
How it’s calculated: beta

The beta figure is supplied by FMP. The comparison index depends on the fund’s broad asset class.

CORB Cost

Expense ratio0.28%
  • The middle half of US Aggregate Bond funds
  • Median 0.34%

41 of the 112 US Aggregate Bond funds charge less.

CORB costs $28.00 a year on $10,000. The median US Aggregate Bond fund costs $34.00.