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AGG · ARCA · ETF

iShares Core U.S. Aggregate Bond ETF (AGG) Price, Holdings & Fees

$419.51+0.81%+$3.36End-of-day price as of Oct 9, 2026

iShares Core U.S. Aggregate Bond ETF (AGG) closed at $419.51 on Oct 9, 2026, up 0.81% from the previous close of $416.15.

Share price, past year

1Y +18.88%

52-week range $339.69 – $422.46. Daily closing prices.
Monthly closing prices
Last closing price of each month
DateClose
Oct 9, 2026$419.51
Sep 30, 2026$417.28
Aug 31, 2026$411.96
Jul 31, 2026$402.93
Jun 30, 2026$383.98
May 29, 2026$366.96
Apr 30, 2026$374.91
Mar 31, 2026$370.95
Feb 27, 2026$363.40
Jan 30, 2026$367.30
Dec 31, 2025$360.17
Nov 28, 2025$358.29
Oct 31, 2025$344.04

Key statistics

Expense ratio
0.03%
as of Feb 28, 2026
Net assets
$136.5B
as of May 31, 2026
Holdings
13,269
as of May 31, 2026
52-week range
$339.69 – $422.46

iShares Core U.S. Aggregate Bond ETF's expense ratio is 0.03%: $3.00 a year on $10,000 invested.

Holdings

iShares Core U.S. Aggregate Bond ETF held 13,269 investments worth $136.46B as of May 31, 2026. Its largest holding was BLACKROCK CASH FUNDS, at 2.78% of the fund.

iShares Core U.S. Aggregate Bond ETF largest holdings by share of net assets
#Holding% of fundValue
1BLACKROCK CASH FUNDS2.78%$3.79B
2BlackRock Funds III0.62%$845.28M
3United States Treasury0.42%$573.10M
4United States Treasury0.41%$563.67M
5United States Treasury0.41%$557.76M
6United States Treasury0.40%$550.26M
7United States Treasury0.40%$544.94M
8United States Treasury0.39%$535.04M
9United States Treasury0.39%$533.32M
10United States Treasury0.39%$526.99M
11United States Treasury0.39%$525.67M
12United States Treasury0.38%$524.31M
13United States Treasury0.37%$503.58M
14United States Treasury0.35%$481.65M
15United States Treasury0.35%$476.70M
16United States Treasury0.33%$455.08M
17United States Treasury0.33%$447.53M
18United States Treasury0.33%$447.18M
19United States Treasury0.32%$436.80M
20United States Treasury0.31%$427.34M
21United States Treasury0.31%$426.23M
22United States Treasury0.31%$421.72M
23United States Treasury0.31%$418.24M
24United States Treasury0.30%$410.70M
25United States Treasury0.30%$407.49M

Top 25 of 13,269 holdings, as of May 31, 2026. Percentages are of the fund's net assets.

What the fund owns

iShares Core U.S. Aggregate Bond ETF holdings by asset type
Asset type% of fund
Bonds and other debt73.43%
Mortgage-backed securities24.71%
Cash and short-term investments3.40%
Other asset-backed securities0.35%
iShares Core U.S. Aggregate Bond ETF holdings by country, largest 10
Country% of fund
United States96.18%
XX0.97%
Canada0.97%
United Kingdom0.81%
Japan0.51%
Mexico0.31%
Germany0.19%
Australia0.18%
Netherlands0.18%
Ireland0.13%

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, iShares Core U.S. Aggregate Bond ETF's total return was −1.33%, as reported to the SEC.

iShares Core U.S. Aggregate Bond ETF monthly total returns
MonthTotal return
May 31, 2026+0.30%
Apr 30, 2026+0.12%
Mar 31, 2026−1.74%

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

Fund profile

Name
iShares Core U.S. Aggregate Bond ETF
Ticker
AGG
Exchange
ARCA
Fund type
ETF
Trust
iSHARES TRUST
SEC series ID
S000004362
SEC CIK
0001100663
Fractional shares
Yes

Recent SEC filings

Shareholder reports and prospectuses are filed by iSHARES TRUST, the trust behind iShares Core U.S. Aggregate Bond ETF, and cover all of its funds.

Frequently asked questions

What is AGG's price?

iShares Core U.S. Aggregate Bond ETF (AGG) closed at $419.51 on Oct 9, 2026, up 0.81% from the previous close of $416.15.

What is AGG's expense ratio?

iShares Core U.S. Aggregate Bond ETF's expense ratio is 0.03%: $3.00 a year on $10,000 invested.

What does AGG hold?

iShares Core U.S. Aggregate Bond ETF held 13,269 investments worth $136.46B as of May 31, 2026. Its largest holding was BLACKROCK CASH FUNDS, at 2.78% of the fund. Its five largest holdings were BLACKROCK CASH FUNDS, BlackRock Funds III, United States Treasury, United States Treasury, United States Treasury.

How has AGG performed?

Over the 3 months to May 31, 2026, iShares Core U.S. Aggregate Bond ETF's total return was −1.33%, 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 Feb 28, 2026. Prices are generated sample data for development. Data sources and disclosures