IYZ ETF largest holding is CSCO at 23.14% as of Aug 5, 2026

IYZ ETF largest holding is CSCO at 23.14% as of Aug 5, 2026
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CSCO is IYZ's largest holding at 23.14% of the fund as of Aug 5, 2026. IYZ is iShares US Telecommunications ETF.

Showing top 28 of 28 holdings · as of Aug 5, 2026
IYZ holdings, by weight
#TickerNameWeightCumulativeSharesMkt valueSectorIndustry
1
CSCO
Cisco Systems Inc.Info Tech · Communications Equipment
23.14%		23.1%2,301,313$279.61MInfo TechCommunications Equipment
2
ANET
Arista Networks Inc
12.66%		35.8%775,434$153.00M--
Sector and industry · Pro
3
VZ
Verizon Communic
11.92%		47.7%3,100,388$144.08M
4
T
AT&T Inc.
4.59%		52.3%2,406,545$55.49M
5—Comcast Corp-Class A Cmcsa
3.78%		56.1%1,845,565$45.68M
6
MSI
Motorola Solutions, Inc
3.58%		59.7%98,605$43.20M
7—T-Mobile Usa Inc Esrw Usd Npv Ref Sm#585558
3.42%		63.1%238,364$41.35M
8
LITE
Lumentum Holdings Inc
3.04%		66.1%44,508$36.78M
9
CIEN
Ciena Corp
3.00%		69.1%88,524$36.19M
10
CHTR
Charter Communications Inc., Class A
2.88%		72.0%227,257$34.81M
11
ROKU
Roku, Inc
2.77%		74.8%227,873$33.49M
12
IRDM
Iridium Communications Inc
2.57%		77.3%642,784$31.09M
13—Millicominternationalcellularsa
2.53%		79.9%332,970$30.56M
14
GSAT
Globalstar, Inc.
2.50%		82.4%361,788$30.19M
15—Liberty Broadbd C
2.44%		84.8%817,802$29.43M
16
UI
Ubiquiti Inc
2.40%		87.2%50,915$28.98M
17
ASTS
Ast Spacemobile Inc Class A
2.12%		89.3%374,030$25.58M
18
SPCX
Space Exploration Technologies
2.12%		91.5%236,893$25.65M
19
SATS
Echostar Communications Corp. Class A
2.00%		93.5%276,163$24.23M
20
VIAV
Viavi Solutions Inc
1.99%		95.5%618,878$24.07M
21
AAOI
Applied Optoelectronics Inc
1.94%		97.4%181,883$23.38M
22—Liberty Global Ltd., Class A
1.28%		98.7%1,458,654$15.42M
23—Liberty Global Ltd., Class C
0.95%		99.6%1,115,506$11.48M
24
LBRDA
Liberty Broadband Corp. Class A
0.36%		100.0%119,979$4.32M
25DebtBlackrock Cash Funds: Treasury, Sl Agency Shares
0.13%		100.1%1,522,069$1.52M
26—Forward Foreign Currency Contract
0.00%		100.1%4-
27—Cash Collateral USD Sgaft
0.00%		100.1%36,000$36.0K
28DebtKbc Groep Nv
-0.10%		100.0%-1,228,592$-1228592
Not reported for this fund: share changes.
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IYZ ETF All Holdings

IYZ holdings total 28 positions. The top 10 holdings account for 72.0% of the fund, led by Cisco Systems Inc. - Ordinary Shares at 23.1%, Arista Networks Inc at 12.7%, Verizon Communic at 11.9%.

IYZ portfolio concentration is relatively high, with the top 10 representing 72.0% of total assets. The largest sector exposure is Information Technology at 41.9%.

IYZ sectors provide a detailed breakdown. IYZ overlap shows how holdings compare to other funds in your portfolio.

Compare IYZ

IYZ vs SPYIYZ vs QQQIYZ vs VOOIYZ vs VTIIYZ vs IVVIYZ vs SCHDIYZ vs VYMIYZ vs VXUS

IYZ ETF Holdings

28 of 28 holdings

  • 1

    Cisco Systems Inc. - Ordinary Shares

    CSCOInformation Technology
    23.14%
  • 2

    Arista Networks Inc

    ANETUnknown
    12.66%
  • 3

    Verizon Communic

    VZCommunication Services
    11.92%
  • 4

    AT&T Inc.

    TCommunication Services
    4.59%
  • 5

    Comcast Corp-class A Cmcsa

    CMCSACommunication Services
    3.78%
  • 6

    Motorola Solutions, Inc

    MSIInformation Technology
    3.58%
  • 7

    T-Mobile Usa Inc Esrw Usd Npv Ref Sm#585558

    TMUSCommunication Services
    3.42%
  • 8

    Lumentum Holdings Inc

    LITEInformation Technology
    3.04%
  • 9

    Ciena Corp

    CIENInformation Technology
    3.00%
  • 10

    Charter Communications Inc., Class a

    CHTRCommunication Services
    2.88%
  • 11

    Roku, Inc

    ROKUInformation Technology
    2.77%
  • 12

    Iridium Communications Inc

    IRDMCommunication Services
    2.57%
  • 13

    Millicominternationalcellularsa

    TIGO:STUnknown
    2.53%
  • 14

    Globalstar, Inc.

    GSATCommunication Services
    2.50%
  • 15

    Liberty Broadbd C

    LBRDKCommunication Services
    2.44%
  • 16

    Ubiquiti Inc

    UIInformation Technology
    2.40%
  • 17

    Ast Spacemobile Inc Class A

    ASTSCommunication Services
    2.12%
  • 18

    Space Exploration Technologies

    SPCXUnknown
    2.12%
  • 19

    'echostar Communications Corp. Class 'a''

    SATSCommunication Services
    2.00%
  • 20

    Viavi Solutions Inc

    VIAVInformation Technology
    1.99%
  • 21

    Applied Optoelectronics Inc

    AAOIInformation Technology
    1.94%
  • 22

    Liberty Global Ltd., Class A

    LBTYA:LNUnknown
    1.28%
  • 23

    Liberty Global Ltd., Class C

    LBTYK:LNUnknown
    0.95%
  • 24

    Liberty Broadband Corp. Class A

    LBRDACommunication Services
    0.36%
  • 25

    Blackrock Cash Funds: Treasury, Sl Agency Shares

    XTSLAFinancials
    0.13%
  • 26

    Forward Foreign Currency Contract

    Other
    0.00%
  • 27

    Cash Collateral USD Sgaft

    Other
    0.00%
  • 28

    Kbc Groep Nv 4.932% 10/16/2030 (1-Year Ust Yield Curve Rate T Note Constant Maturity + 1.07% On 10/16/2029)

    Other
    -0.10%