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IYM
Passive ETF
NYSE

iShares U.S. Basic Materials ETF

This ETF provides exposure to Large and Mid-Cap US Materials Equities Read more

Passive ETF
Last update 3/11/2026 at 1:30 PM
Live
Closed
This fund is part of
US Materials
+0.4%
Last Price
$177.86
% Change
+0.12%
1W flows
+$18M
1m flows
+$167M
AuM
$1.42B
E/R
0.38%
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Trading data

Last sale
3/11/2026 at 1:30 PM
$177.86
Previous close
$177.65
Consolidated volume
03/10/2026
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Average volume
30 days
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Average discount or premium
30 days
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Average Bid/Ask spread
30 days
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IYM performance and flow charts

Performance

-2.00.02.04.0%Feb 10Feb 12Feb 17Feb 19Feb 23Feb 26Mar 2Mar 4Mar 6Mar 10

Flows

0 M50 M100 M150 M200 M

Get all the metrics on this page, and more, through a reliable ETF data feed

Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Historic performance and flows

Data as of March 10, 2026
1M3MYTD1Y3Y5Y
Perf.-1.97%+19.79%+15.50%+34.24%+44.87%+56.40%
Flows+$167M+$709M+$624M+$705M+$390M+$650M
Data as of March 10, 2026

Volatility and drawdown

3M1Y3Y5Y
Volatility+21.31%+21.76%+17.92%+20.22%
Max drawdown
-6.90%-15.07%-23.58%-29.91%
Max drawdown duration
8d75d352d709d
Time to recover
N/A56d183d550d

Replication quality

Data as of February 27, 2026
1-year trailing difference

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Tracking error
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Tracking difference
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1 year cumulative return difference
Best
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Worst
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daily return difference
Average
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Worst
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Exposure

Data as of January 31, 2026

Countries

USA
75.17%
Ireland
19.05%
Other
5.79%

Sectors

Materials
66.67%
Industrials
8.67%
Other
24.66%

Diversification

Total weight of top 15 holdings out of 39

78.21%

Top 15 Holdings

IE000S9YS762
19.05%
NEWMONT CORP
12.6%
FREEPORT-MCMORAN INC
8.57%
ECOLAB
6.5%
GB00BRXH2664
4.25%
AIR PRODUCTS AND CHEMICALS
4.09%
FASTENAL
3.73%
NUCOR
3.39%
ROYAL GOLD
2.73%
STEEL DYNAMICS
2.59%
ALBEMARLE
2.42%
INTERNATIONAL PAPER CO
2.29%
INTL FLAV & FRAG U
2.03%
RELIANCE STEEL
1.98%
SOUTHERN COPPER CORPORATION
1.97%

Characteristics

The iShares U.S. Basic Materials ETF is built to track the Russell 1000 Basic Materials RIC 22.5/45 Capped Gross Index - USD. This ETF provides physical exposure - by owning its shares you earn the return of the securities composing the index (as the ETF holds them directly).

This share class generates a stream of income by distributing dividends.

Management strategyPassive
ProvideriShares
N° of holdings39
Replication methodDirect (Physical)
Asset classEquities
Dividend policyDistributing
Trailing 12m distribution yield
Join for free
Inception dateJune 12, 2000
ESGNo

The ETF Institute® is now affiliated with ETF Central

The CETF certification is the only FINRA listed professional designation focused on ETFs.

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Frequently asked questions about IYM

What type of ETF is IYM?

IYM is a Passive ETF that provides exposure to Equity assets. It is managed by iShares.

What index does IYM track?

IYM tracks the Russell 1000 Basic Materials RIC 22.5/45 Capped Gross Index - USD, aiming to replicate its performance through optimized sampling.

What does IYM invest in?

This ETF provides exposure to Large and Mid-Cap US Materials Equities. It is part of the segment: US Materials.

What is the expense ratio of IYM?

The total expense ratio (TER) of IYM is 0.38%, representing the annual fee charged by the fund manager.

When was IYM launched?

IYM was launched on June 12, 2000, marking its entry into the ETF market.

Who is the issuer of IYM?

IYM is issued by iShares.

What is the AUM of IYM?

As of March 10, 2026, IYM manages $1.42 B, reflecting the total assets held in the fund.

How has IYM performed recently?

As of March 10, 2026, IYM delivered a return of -1.97% over the past month (1M performance), 19.79% over the past three months (3M), and 15.5% year-to-date (YTD).

What are the recent fund flows for IYM?

As of March 10, 2026, IYM has seen net flows of +$167M in the past month (1M flow) and +$624M year-to-date (YTD).

Does IYM pay dividends?

As of March 10, 2026, IYM has a trailing 12-month distribution yield of 1.31%.

How many holdings are in IYM

As of January 31, 2026, IYM holds 39 securities in its portfolio. This level of diversification can influence the fund’s risk profile and exposure to individual assets.

How diversified is IYM?

As of January 31, 2026, IYM holds 39 securities, with 78.21% of its assets concentrated in its top 15 holdings.

What are the top holdings of IYM?

As of January 31, 2026, IYM holds a portfolio of 39 underlyings, with its largest positions including IE000S9YS762, NEWMONT CORP and FREEPORT-MCMORAN INC. These top holdings play a significant role in shaping the fund’s performance and exposure.

What countries or regions does IYM invest in?

As of January 31, 2026, IYM has its largest geographic exposures in USA and Ireland.

What sectors or themes does IYM focus on?

As of January 31, 2026, IYM is primarily exposed to Materials and Industrials.

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