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Friday, October 2, 2026The Morning Brief →Sign in
IYMISharesINDEX

iShares U.S. Basic Materials ETF

$177.63-0.28% vs prior close
13919652-WK

Price through Oct 1 · Flows through Sep 30. Figures use the latest available records, not a live quote. Fund details retrieved Oct 1. Holdings snapshot retrieved Oct 1.

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
184.1167.8151.5177.63DAILY NET FLOWOct 1Jan 30Jun 1Oct 1

SOURCE: MARKET TAPE & DAILY CREATION/REDEMPTION RECORDS · 1Y SHOWN · NET +$613M OVER THIS RANGE

The desk’s read

Money keeps arriving — +$249M of net inflows over the past month, about 19.7% of the fund's asset base, while the price has returned +15.4% so far this year. At 0.40% a year it is not the cheapest way in — XLB has a reported fee of 0.09%.

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

$1.3Bassets under management
0.40%expense ratio · $40 per $10,000 a year
+$249Mnet flow, trailing month
252Kavg daily volume, 30 days
43holdings · US-domiciled
2000listed June 12, 2000 · beta 0.94
The book at a glance
LIN-1.1%NEM-0.6%FCX-1.0%ECL-1.2%FAST+1.4%APD-1.8%NUE+1.0%AU+0.3%STLD+2.1%IFF-0.4%RS+2.2%RGLD-1.6%SCCO-1.7%CRS-1.3%CDE-0.2%CF-0.6%IP-2.0%RBC+1.9%LYB+0.5%MLI+1.2%AVY+0.6%ALB-0.7%AA+0.1%HL-0.2%SOLS+1.2%ESITKR

CELL SIZE IS PORTFOLIO WEIGHT · COLOR IS THE CHANGE IN THE LATEST AVAILABLE SNAPSHOT · TOP 40 POSITIONS

HoldingsDownload CSV
#HoldingWeightPriceDay52-wk
1LINLINDE19.57%$469.45-1.1%
2NEMNEWMONT11.12%$114.67-0.6%
3FCXFREEPORT-MCMORAN9.16%$69.28-1.0%
4ECLECOLAB6.30%$271.26-1.2%
5FASTFASTENAL4.42%$50.23+1.4%
6APDAIR PRODUCTS & CHEMICALS4.50%$273.33-1.8%
7NUENUCOR3.99%$235.98+1.0%
8AUANGLOGOLD ASHANTI3.71%$94.20+0.3%
9STLDSTEEL DYNAMICS2.87%$226.17+2.1%
10IFFINTERNATIONAL FLAVORS & FRAGRANCES2.30%$83.12-0.4%
11RSRELIANCE STEEL & ALUMINUM2.08%$393.04+2.2%
12RGLDROYAL GOLD2.13%$232.33-1.6%
13SCCOSOUTHERN COPPER1.99%$199.22-1.7%
14CRSCARPENTER TECHNOLOGY1.99%$383.69-1.3%
15CDECOEUR MINING1.93%$17.56-0.2%

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Sector weights
Materials89.04%
Industrials10.91%
Cash and/or Derivatives0.08%
PORTFOLIO COMPOSITION, LATEST DISCLOSURE
Country weights
United States93.68%
South Africa3.71%
Peru1.99%
Brazil0.34%
Canada0.31%
PORTFOLIO COMPOSITION, LATEST DISCLOSURE
Performance
1 week-2.8%
1 month-6.2%
3 months-0.9%
6 months+3.7%
YTD+15.4%
1 year+20.3%
3 years—

PRICE RETURN, DISTRIBUTIONS NOT REINVESTED

Net flows
1 week+$153M
1 month+$249M
3 months−$434M
YTD+$493M
1 year+$613M

CREATION/REDEMPTION DOLLARS, DAILY RECORDS

Monthly net flows
SepOctNovDecJanFebMarAprMayJulAugSep
DAILY CREATION/REDEMPTION RECORDS, TRAILING TWELVE MONTHS
The risk read
16%realized volatility, 30 days (annualized)
21%realized volatility, 1 year
-13.8%deepest fall from a peak, 1 year
-9.6%latest close versus that peak

The top holding is 19.6% of the book; the top ten carry 68%. Spread across 42+ names, it behaves like roughly 13 equally-weighted positions.

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

Options tape
—calls · latest snapshot
8puts · latest snapshot
—put/call ratio
847Kshares traded
Most-traded holdings, options premiumBullishBearish
FCX FREEPORT-MCMORAN$7M$7M
MP MP MATERIALS$4M$3M
ALB ALBEMARLE$2M$2M
SOLS SOLSTICE ADVANCED MATERIALS INC$889,402$3M
LIN LINDE$2M$510,216

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
SPDW State Street SPDR Portfolio Developed World ex-US ETF0.03%$41.5B+$286M-37bp on fee · 33× the assets · +$286M in over the monthHead-to-head
SPMD State Street SPDR Portfolio S&P 400 Mid Cap ETF0.03%$18.2B+$199M-37bp on fee · 14× the assets · +$199M in over the monthHead-to-head
IDEV iShares Core MSCI International Developed Markets ETF0.04%$32.9B+$497M-36bp on fee · 26× the assets · +$497M in over the monthHead-to-head
IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF0.04%$23.7B+$575M-36bp on fee · 19× the assets · +$575M in over the monthHead-to-head
IGIB iShares 5-10 Year Investment Grade Corporate Bond ETF0.04%$18.6B+$412M-36bp on fee · 15× the assets · +$412M in over the monthHead-to-head
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InstrumentsHarvest substitutesTrade cost at $1MClient tearsheetStress this fund
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