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Wednesday, August 19, 2026The Morning Brief →Sign in
IYMISharesINDEX

iShares U.S. Basic Materials ETF

$189.54+1.70% today
13919152-WK

The fund generally will invest at least 80% of its assets in the component securities of its underlying index and in investments that have economic characteristics that are substantially identical to the component securities of its underlying index. The underlying index measures the performance of the basic materials sector of the U.S. equity market. The fund is non-diversified.

Price & daily flows
179.6165.0150.3189.54DAILY NET FLOWAug 19Dec 16Apr 17Aug 19

SOURCE: MARKET TAPE & DAILY CREATION/REDEMPTION RECORDS · 1Y SHOWN · NET +$247M OVER THIS RANGE

The desk’s read

Money is leaving — −$202M walked out over the past month, about 20.2% of the fund's asset base, while the price has returned +21.0% so far this year. At 0.40% a year it is not the cheapest way in — VAW runs the same ground at 0.10%.

COMPOSED FROM THE FUND’S OWN DAILY RECORDS · UPDATED WITH EACH REFRESH

$998Massets under management
0.40%expense ratio · $40 per $10,000 a year
−$202Mnet flow, trailing month
174Kavg daily volume, 30 days
43holdings · US-domiciled
2000listed June 11, 2000
The book at a glance
LIN+0.7%NEM+7.8%FCX+3.5%ECL+1.7%APD-0.1%FAST+0.2%AU+10.9%NUE-6.7%STLD-8.1%CRS-4.6%IP+2.9%CDE+12.1%IFF+2.9%RGLD+7.2%RS-6.0%CF+0.0%SCCO+3.7%LYB+1.2%RBC-4.7%ALB+1.3%AVY+3.2%MLI-2.4%AA+1.5%HL+13.5%EMNESI-2.6%MPTKRHXL

CELL SIZE IS PORTFOLIO WEIGHT · COLOR IS TODAY’S MOVE · TOP 40 POSITIONS

HoldingsDownload CSV
#HoldingWeightPriceDay52-wk
1LINLINDE18.77%$482.24+0.7%
2NEMNEWMONT11.09%$124.90+7.8%
3FCXFREEPORT-MCMORAN8.46%$68.60+3.5%
4ECLECOLAB5.95%$284.80+1.7%
5APDAIR PRODUCTS & CHEMICALS4.75%$302.98-0.1%
6FASTFASTENAL4.47%$51.35+0.2%
7AUANGLOGOLD ASHANTI3.97%$108.75+10.9%
8NUENUCOR4.46%$246.62-6.7%
9STLDSTEEL DYNAMICS2.99%$229.85-8.1%
10CRSCARPENTER TECHNOLOGY2.52%$507.24-4.6%
11IPINTERNATIONAL PAPER2.05%$41.28+2.9%
12CDECOEUR MINING1.92%$20.74+12.1%
13IFFINTERNATIONAL FLAVORS & FRAGRANCES2.03%$83.28+2.9%
14RGLDROYAL GOLD1.95%$247.06+7.2%
15RSRELIANCE STEEL & ALUMINUM2.11%$396.00-6.0%

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Sector weights
Materials88.14%
Industrials11.67%
Cash and/or Derivatives0.18%
PORTFOLIO COMPOSITION, LATEST DISCLOSURE
Country weights
United States93.63%
South Africa3.97%
Peru1.74%
Canada0.34%
Brazil0.31%
PORTFOLIO COMPOSITION, LATEST DISCLOSURE
Performance
1 week+0.4%
1 month+9.0%
3 months+5.5%
6 months+3.5%
YTD+21.0%
1 year
3 years

PRICE RETURN, DISTRIBUTIONS NOT REINVESTED

Net flows
1 week+$100K
1 month−$202M
3 months−$762M
YTD+$165M
1 year+$247M

CREATION/REDEMPTION DOLLARS, DAILY RECORDS

Monthly net flows
AugSepOctNovDecJanFebMarAprMayJulAug
DAILY CREATION/REDEMPTION RECORDS, TRAILING TWELVE MONTHS
The risk read
21%realized volatility, 30 days (annualized)
20%realized volatility, 1 year
-13.8%deepest fall from a peak, 1 year
-0.6%where it sits vs. that peak today

The top holding is 18.8% of the book; the top ten carry 67%. Spread across 42+ names, it behaves like roughly 14 equally-weighted positions.

VOLATILITY & DRAWDOWN FROM THE DAILY TAPE · CONCENTRATION FROM THE LATEST DISCLOSED BOOK

Options tape
4calls today
puts today
put/call ratio
41Kshares traded
Most-traded holdings, options premiumBullishBearish
NEM NEWMONT$13M$15M
FCX FREEPORT-MCMORAN$12M$13M
HL HECLA MINING$4M$5M
CDE COEUR MINING$5M$4M
CLF CLEVELAND-CLIFFS$2M$1M

TODAY’S OPTIONS PREMIUM IN THE FUND’S UNDERLYING NAMES

The case against IYM

Due diligence cuts both ways. These funds sit on the same shelf and beat IYM on at least one dimension that matters — the fee, the asset base, or where the money is going.

FundFeeAssetsFlow, 1MThe case
IJH iShares Core S&P Mid-Cap ETF0.05%$128.4B+$547M-35bp on fee · 129× the assets · +$547M in over the monthHead-to-head
IDEV iShares Core MSCI International Developed Markets ETF0.04%$32.7B+$104M-36bp on fee · 33× the assets · +$104M in over the monthHead-to-head
IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF0.04%$23.4B+$520M-36bp on fee · 23× the assets · +$520M in over the monthHead-to-head
IGIB iShares 5-10 Year Investment Grade Corporate Bond ETF0.04%$18.7B+$312M-36bp on fee · 19× the assets · +$312M in over the monthHead-to-head
IEFA iShares Core MSCI EAFE ETF0.07%$195.3B+$631M-33bp on fee · 196× the assets · +$631M in over the monthHead-to-head
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InstrumentsHarvest substitutesTrade cost at $1MClient tearsheetStress this fund
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