IYW holdings and overlap

iShares U.S. Technology ETF (IYW) holds 148 positions in its iShares file of 2026-10-27. Its three largest are Nvidia (NVDA) at 16.81%, Apple (AAPL) at 16.60% and Microsoft (MSFT) at 13.07%, and its ten largest make up 65.1% of the fund.

In its iShares file of 2026-10-27, IYW is 91.3% technology and 7.8% communication services by sector, with 57.0% in mega-cap tech and 57.0% in the ten largest US companies by market value.

Edited by VoidLab Data through Last revised

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IYWiShares U.S. Technology ETFTechnology, iShares, 148 positions
Last close, 2026-10-28
$257.58 +0.52%
52-week range 174 to 273
Largest position
NVDA
16.81% of the ETF, Nvidia
Positions
148
65.1% in the ten largest
Cost per year
0.37%
$37 a year on $10,000
Assets
$26.5B
under management
Return, 3 years
+139.0%
cumulative, total return
Worst fall
-24.9%
peak to trough, 3 years, weekly closes

What does IYW hold, as of its issuer file of 2026-10-27?

IYW spreads its weight across 148 positions, against a median of 50 across the 38 Technology funds with a page here. The position IYW carries furthest above that group is Apple at 16.6% of the fund, a company the median fund in that group does not hold at all.

The 100 largest of the 148 positions in IYW's file; all 148 are in the fund's JSON file.
RankCompanyWeightWeight bar
1 NVDA Nvidia 16.81%
2 AAPL Apple 16.6%
3 MSFT Microsoft 13.07%
4 AVGO Broadcom 3.14%
5 AMD Advanced Micro Devices 3.04%
6 META Meta Platforms 3.02%
7 MU Micron Technology 2.73%
8 GOOGL Alphabet Class A 2.38%
9 PLTR Palantir Technologies 2.18%
10 INTC Intel 2.12%
11 GOOG Alphabet Class C 1.92%
12 PANW Palo Alto Networks 1.6%
13 AMAT Applied Materials 1.55%
14 LRCX Lam Research 1.49%
15 TXN Texas Instruments 1.39%
16 CRWD CrowdStrike 1.33%
17 IBM IBM 1.16%
18 ORCL Oracle 1.11%
19 MRVL Marvell Technology 1.05%
20 ADI Analog Devices 1.03%
21 KLAC KLA 0.99%
22 QCOM Qualcomm 0.96%
23 APH Amphenol 0.95%
24 CRM Salesforce 0.95%
25 SNDK Sandisk 0.94%
26 NOW ServiceNow 0.79%
27 DELL Dell Technologies 0.75%
28 WDC Western Digital 0.65%
29 SNOW Snowflake 0.56%
30 FTNT Fortinet 0.55%
31 NET Cloudflare 0.52%
32 GLW Corning 0.49%
33 ADBE Adobe 0.49%
34 CDNS Cadence Design Systems 0.47%
35 DDOG Datadog 0.46%
36 SNPS Synopsys 0.44%
37 INTU Intuit 0.44%
38 HPE Hewlett Packard Enterprise 0.4%
39 DASH DoorDash 0.32%
40 APP AppLovin 0.31%
41 MPWR Monolithic Power Systems 0.28%
42 ADSK Autodesk 0.25%
43 TER Teradyne 0.25%
44 MSTR Strategy 0.25%
45 NTAP NetApp 0.22%
46 COHR Coherent 0.22%
47 ALAB Astera Labs 0.22%
48 P Everpure 0.21%
49 ROP Roper Technologies 0.21%
50 MCHP Microchip Technology 0.21%
51 WDAY Workday 0.2%
52 TWLO Twilio 0.19%
53 OKTA Okta 0.19%
54 TEAM Atlassian 0.17%
55 ON ON Semiconductor 0.15%
56 HPQ HP Inc. 0.15%
57 FLEX Flex 0.15%
58 MDB MongoDB 0.15%
59 CTSH Cognizant 0.15%
60 JBL Jabil 0.15%
61 CRDO Credo Technology Group 0.14%
62 ZS Zscaler 0.13%
63 FFIV F5 0.13%
64 ZM Zoom Communications 0.13%
65 Q Qnity Electronics 0.12%
66 VRSN Verisign 0.12%
67 ENTG Entegris 0.11%
68 PTC PTC 0.1%
69 RBRK Rubrik 0.1%
70 CDW CDW 0.1%
71 SMCI Supermicro 0.1%
72 SNX TD SYNNEX 0.1%
73 SWKS Skyworks Solutions 0.1%
74 NTNX Nutanix 0.09%
75 RDDT Reddit 0.09%
76 CRWV Coreweave 0.09%
77 DT Dynatrace 0.09%
78 LDOS Leidos 0.09%
79 MTSI MACOM Technology Solutions 0.09%
80 SSNC SS&C Technologies 0.08%
81 DOCU DocuSign 0.08%
82 TYL Tyler Technologies 0.08%
83 TOST Toast 0.07%
84 IOT Samsara 0.07%
85 LSCC Lattice Semiconductor 0.07%
86 CACI CACI International 0.07%
87 U Unity Software 0.07%
88 IT Gartner 0.07%
89 AKAM Akamai Technologies 0.07%
90 GWRE Guidewire Software 0.07%
91 MANH Manhattan Associates 0.07%
92 SMTC Semtech 0.07%
93 GDDY GoDaddy 0.07%
94 GEN Gen Digital 0.06%
95 BMNR Bitmine Immersion Technologies 0.06%
96 IONQ IonQ 0.06%
97 HUBS HubSpot 0.06%
98 FN Fabrinet 0.06%
99 ARW Arrow Electronics 0.06%
100 SITM SiTime 0.05%

The most recent file iShares has published for IYW is dated 2026-10-27, 1 day before these prices, which is the median for the iShares ETFs covered here. Every one of the 148 positions IYW holds, with its weight, is in the fund's JSON file. See the other 153 ETFs with a page here that hold NVDA, and how their weights compare with the 16.81% IYW gives it.

Category: Technology, set by TickerInside from the ETF's own latest file. In its file of 2026-10-27, 91% of its stocks whose sector is known are technology companies, each in the sector the site gives that company. How categories are set.

Use this data
JSONhttps://tickerinside.com/api/v1/fund/iyw.json
CSVhttps://tickerinside.com/api/v1/fund/iyw.csv
Sheets=IMPORTDATA("https://tickerinside.com/api/v1/fund/iyw.csv")If your sheet uses a decimal comma: =IMPORTDATA("https://tickerinside.com/api/v1/fund/iyw.csv"; ","; "en_US")
curlcurl -s https://tickerinside.com/api/v1/fund/iyw.json
API reference · spreadsheet guide Add TickerInside to Claude to ask about IYW with this data

How much money went into or out of IYW?

On the close of Friday, October 23, 2026, IYW neither created nor redeemed shares. Over its last 5 closes, a net inflow of $14 million.

IYW's money flows on its last 14 closes, 30 Sep 2026 to 23 Oct 2026, largest inflow $89 million on 20 Oct 2026, largest outflow $764 million on 8 Oct 2026
2026-09-302026-10-23

From IYW's own holdings files. Every ETF's latest flows.

How is IYW split by sector?

SectorWeightWeight bar
Technology91.3%
Communication services7.8%
Industrials0.4%
Consumer discretionary0.3%
Financials0.1%

From its iShares file of 2026-10-27. How these are measured.

What did IYW hold in its SEC reports since 2019?

In IYW's SEC filings, its largest position went from Microsoft (MSFT) at 17.31% on 2019-10-31 to Nvidia (NVDA) at 13.65% on 2026-07-31, across 27 quarterly reports.

Largest in 2019
MSFT
17.31% on 2019-10-31
Largest in 2026
NVDA
13.65% on 2026-07-31
Ten largest
65.3%
64.7% in 2019
Quarterly reports
27
since 2019, SEC Form N-PORT
ReportPositionsLargestTop 10
2019-10-31149MSFT 17.31%64.7%
2020-10-31154AAPL 19.74%62.2%
2021-10-31146MSFT 17.14%62.0%
2022-10-31141AAPL 20.31%62.1%
2023-10-31132AAPL 18.12%64.2%
2024-10-31138AAPL 15.51%63.8%
2025-10-31140NVDA 17.11%64.0%
2026-07-31149NVDA 13.65%65.3%

The first report, then the last of each year, of the 27 reports IYW filed on SEC Form N-PORT from 2019-10-31 to 2026-07-31, each company under its ticker today. Every position of every report is in its quarterly file, and at any date at /api/v1/history/iyw/{date}.json. How these are read.

What does IYW duplicate?

The ETF nearest to IYW is FTEC: the two hold 82.4% of their weight in common, in the 122 companies both own, and 91.5% of IYW itself is also held there. Owning IYW alongside the ETFs at the top of this table means holding mostly the same companies twice.

ETFOverlap by weightOf IYW held thereOf that ETF in IYWCompanies in bothOverlap bar
FTEC 82.4% 91.5% 87.8% 122
XLK 80.9% 86.2% 91.7% 60
VGT 80.2% 91.5% 87.2% 122
IGM 77.0% 99.0% 88.7% 128
IXN 69.5% 86.2% 72.5% 60
QQMG 61.7% 84.3% 67.0% 37
MGK 61.5% 80.0% 72.3% 28
VUG 60.4% 85.6% 68.2% 47
IWY 60.3% 83.9% 70.3% 32
IWF 60.0% 90.1% 68.5% 81
QYLD 59.1% 85.5% 62.5% 39
QQQ 58.0% 85.5% 61.9% 39

FTEC's holdings are from its SEC Form N-PORT for the period ended 2026-07-31, filed 2026-09-23. VGT's holdings are from its SEC Form N-PORT for the period ended 2026-05-31, filed 2026-07-29. The holdings of MGK and VUG are from their SEC Form N-PORT filings for the period ended 2026-06-30, filed 2026-08-28. The other ETFs' holdings are from their issuers' latest files. Check IYW against any ETF in the ETF overlap calculator · how overlap is measured.

What adds something different to IYW?

IYR shares 0% of weight with IYW and its weekly returns correlate with it at 0.19 over three years. The table lists the covered ETFs with the least in common with IYW, least shared weight first and, among equals, lowest correlation.

ETFNameOverlap by weightCorrelation, 3yCompanies in both
IYR iShares U.S. Real Estate ETF 0.0% 0.19 0
USRT iShares Core U.S. REIT ETF 0.0% 0.21 0
REET iShares Global REIT ETF 0.0% 0.24 0
RING iShares MSCI Global Gold Miners ETF 0.0% 0.24 0
SLVP iShares MSCI Global Silver and Metals Miners ETF 0.0% 0.28 0
MCHI iShares MSCI China ETF 0.0% 0.33 0
PICK iShares MSCI Global Metals & Mining Producers ETF 0.0% 0.51 0
PFF iShares Preferred and Income Securities ETF 0.0% 0.53 0

Cost, returns and risk

Expense ratio0.37%
Dividend yield0.09%
Total return, 1 year24.0%
Total return, 3 years cumulative139.0%
Total return, 5 years cumulative130.1%
Volatility, annualised23.5%
Worst fall, 3 years-24.9%
Beta against SPY, 3 years of weekly returns1.55
Weight in the ten largest positions65.1%
Largest single position16.8%
Assets under management$26.5B

Expense ratio, yield and assets are reference data (the expense ratio from IYW's SEC filing of 2026-08-21); the weight in the ten largest positions and the largest single position are from the issuer file of 2026-10-27; every other figure is computed here from weekly closes.

How it moves with the market

AgainstCorrelation, 3 yearsCovariance, annualised, in percent squared
SPY0.91usually in step297
QQQ0.98almost always in step446

Weekly total returns. What the bands mean · why the covariance is printed.

Year by year

YearTotal return
202629.1%
202525.4%
202430.2%
202365.8%
2022-34.8%

One year

IYW 129 SPY 116
2025-11-072026-10-30
IYW rebased to 100 a year ago, weekly closes, prices through 2026-10-28.

Where to go next

Holdings from the most recent file iShares has published, dated 2026-10-27. Prices through 2026-10-28. How every figure here is produced. Measurements, not investment advice.

Cite this page

TickerInside, iShares U.S. Technology ETF (IYW), holdings from the issuer's file of 2026-10-27, https://tickerinside.com/etf/iyw/, CC BY 4.0

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