IYZ ETF largest holding is CSCO at 21.31% as of Aug 31, 2026

IYZ ETF largest holding is CSCO at 21.31% as of Aug 31, 2026
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CSCO is IYZ's largest holding at 21.31% of the fund as of Aug 31, 2026. IYZ is iShares US Telecommunications ETF.

Showing top 26 of 26 holdings · as of Aug 31, 2026
IYZ holdings, by weight
#TickerNameWeightCumulativeSharesMkt valueSectorIndustry
1
CSCO
Cisco Systems Inc.Info Tech · Communications Equipment
21.31%		21.3%2,415,797$266.92MInfo TechCommunications Equipment
2
VZ
Verizon Communications, Inc.Comm. Services · Wireless Telecommunication Services
13.00%		34.3%3,254,615$162.80MComm. ServicesWireless Telecommunication Services
Sector and industry · Pro
3
ANET
Arista Networks Inc.
12.72%		47.0%814,009$159.29M
4
T
At&t, Inc.
5.22%		52.3%2,526,251$65.40M
5
CMCSA
Comcast Corp. Class A
4.12%		56.4%1,937,374$51.57M
6
CHTR
Charter Communications, Inc., Class A
4.07%		60.4%334,317$50.96M
7
MSI
Motorola Solutions Inc.
4.01%		64.5%103,510$50.23M
8—T-Mobile Usa Inc Esrw Usd Npv Ref Sm#585558
3.60%		68.0%250,216$45.15M
9
LITE
Lumentum Holdings Inc
3.41%		71.5%46,726$42.74M
10
ROKU
Roku Inc.
3.00%		74.5%239,215$37.54M
11
SPCX
Space Exploration Technologies
2.85%		77.3%248,687$35.73M
12
CIEN
Ciena Corp
2.84%		80.1%92,923$35.57M
13—Millicominternationalcellularsa
2.62%		82.8%349,527$32.77M
14
IRDM
Iridium Communications Inc
2.53%		85.3%674,765$31.70M
15
UI
Ubiquiti Inc
2.52%		87.8%53,441$31.53M
16
GSAT
Globalstar Inc
2.47%		90.3%379,788$30.97M
17
ECHO
Echostar Corp Class A
2.00%		92.3%289,909$25.06M
18
VIAV
Viavi Solutions Inc
1.88%		94.2%649,659$23.58M
19
ASTS
Ast Spacemobile Inc
1.85%		96.0%392,633$23.20M
20
AAOI
Applied Optoelectronics Inc
1.64%		97.7%190,930$20.56M
21—Liberty Global Ltd., Class A
1.31%		99.0%1,531,231$16.46M
22
LBTYK
Liberty Global Ltd., Class C
0.98%		99.9%1,170,994$12.28M
23DebtBlackrock Cash Funds: Treasury, Sl Agency Shares
0.05%		100.0%606,857$606.9K
24—Russell1000 Value Mini Cme Sep 26
0.00%		100.0%3-
25—USD Cash
0.00%		100.0%-29,104$-29103
26—Cash Collateral USD Sgaft
0.00%		100.0%28,000$28.0K
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 74.5% of the fund, led by Cisco Systems Inc. - Ordinary Shares at 21.3%, Verizon Communications, Inc. at 13.0%, Arista Networks Inc. at 12.7%.

IYZ portfolio concentration is relatively high, with the top 10 representing 74.5% of total assets. The largest sector exposure is Information Technology at 40.6%.

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

26 of 28 holdings

  • 1

    Cisco Systems Inc. - Ordinary Shares

    CSCOInformation Technology
    21.31%
  • 2

    Verizon Communications, Inc.

    VZCommunication Services
    13.00%
  • 3

    Arista Networks Inc.

    ANETUnknown
    12.72%
  • 4

    At&t, Inc.

    TCommunication Services
    5.22%
  • 5

    Comcast Corp. Class A

    CMCSACommunication Services
    4.12%
  • 6

    Charter Communications, Inc., Class A

    CHTRCommunication Services
    4.07%
  • 7

    Motorola Solutions Inc.

    MSIInformation Technology
    4.01%
  • 8

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

    TMUSCommunication Services
    3.60%
  • 9

    Lumentum Holdings Inc

    LITEInformation Technology
    3.41%
  • 10

    Roku Inc.

    ROKUInformation Technology
    3.00%
  • 11

    Space Exploration Technologies

    SPCXUnknown
    2.85%
  • 12

    Ciena Corp

    CIENInformation Technology
    2.84%
  • 13

    Millicominternationalcellularsa

    TIGO:STUnknown
    2.62%
  • 14

    Iridium Communications Inc

    IRDMCommunication Services
    2.53%
  • 15

    Ubiquiti Inc

    UIInformation Technology
    2.52%
  • 16

    Globalstar Inc Common Stock Usd.0001

    GSATCommunication Services
    2.47%
  • 17

    Echostar Corp Class A

    ECHOCommunication Services
    2.00%
  • 18

    Viavi Solutions Inc

    VIAVInformation Technology
    1.88%
  • 19

    Ast Spacemobile Inc

    ASTSCommunication Services
    1.85%
  • 20

    Applied Optoelectronics Inc

    AAOIInformation Technology
    1.64%
  • 21

    Liberty Global Ltd., Class A

    LBTYA:LNUnknown
    1.31%
  • 22

    Liberty Global Ltd., Class C

    LBTYKUnknown
    0.98%
  • 23

    Blackrock Cash Funds: Treasury, Sl Agency Shares

    XTSLAFinancials
    0.05%
  • 24

    Russell1000 Value Mini Cme Sep 26

    Other
    0.00%
  • 25

    USD Cash

    Other
    0.00%
  • 26

    Cash Collateral USD Sgaft

    Other
    0.00%