IDEF ETF

IDEF ETF
$31.80
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RTX:MX is IDEF's largest holding at 7.04% of the fund as of Aug 31, 2026. IDEF is iShares Defense Industrials and Tech Active ETF.

Showing top 50 of 143 holdings · as of Aug 31, 2026
IDEF holdings, by weight
#TickerNameWeightCumulativeSharesMkt valueSectorIndustry
1—United Technologies Corp.
7.04%		7.0%1,499,894$311.57M--
2—Rolls Royce Holdings Plc Common Stock Gbp.2
4.73%		11.8%10,091,330$209.36M--
3
LMT
Lockheed Martin CorpIndustrials · Aerospace & Defense
3.94%		15.7%310,802$174.43MIndustrialsAerospace & Defense
4
HO
Thales Sa
3.82%		19.5%596,930$168.98M--
5
BA
Boeing CoIndustrials · Aerospace & Defense
3.62%		23.1%771,606$160.32MIndustrialsAerospace & Defense
6
GD
General Dynamics Corp.Industrials · Aerospace & Defense
3.20%		26.3%381,245$141.58MIndustrialsAerospace & Defense
7
BAES
Bae Systems Plc
3.19%		29.5%5,091,969$141.11M--
8—Airbus Se
3.11%		32.6%600,092$137.49M--
9—Hanwha Aerospace Ltd
2.73%		35.4%150,329$121.05M--
10
NOC
Northrop Grumman Corp.Industrials · Aerospace & Defense
2.72%		38.1%223,412$120.58MIndustrialsAerospace & Defense
11—Saab Class B
2.63%		40.7%1,761,251$116.25M--
12—Mitsubishi Heavy Industries Ltd. Com Stk
2.35%		43.1%4,269,300$103.97M--
13
PLTR
Palantir Technologies IncInfo Tech · Software
2.32%		45.4%551,895$102.86MInfo TechSoftware
14
APH
Amphenol Corp. Class AInfo Tech · Electronic Equipment
2.31%		47.7%644,091$102.12MInfo TechElectronic Equipment
15—General Electric Co.Industrials · Industrial Conglomerates
2.30%		50.0%302,756$101.64MIndustrialsIndustrial Conglomerates
16
PANW
Palo Alto Networks, IncInfo Tech · Software
2.19%		52.2%253,411$96.84MInfo TechSoftware
17
SAF
Safran Sa
1.94%		54.1%219,930$86.09M--
18
LDO
Leonardo Spa
1.74%		55.9%1,278,551$76.81M--
19
RHM
Rheinmetall Ag
1.53%		57.4%52,378$67.58M--
20—Hanwha Systems Co Ltd
1.52%		58.9%1,260,807$67.43M--
21
SPCX
Space Exploration Technologies
1.46%		60.4%448,930$64.51M--
22
BAB
Babcock International Group Pl Common Stock GBP.6
1.41%		61.8%4,359,792$62.45M--
23—Elbit Systems Ltd.
1.33%		63.1%84,339$59.08M--
24—Korea Aerospace Industries Ltd
1.11%		64.2%514,049$49.20M--
25
HWM
Howmet Aerospace Inc.Industrials · Aerospace & Defense
1.10%		65.3%197,950$48.49MIndustrialsAerospace & Defense
26—Singapore Technologies Engineering
1.09%		66.4%5,682,600$48.21M--
27
FTNT
Fortinet IncInfo Tech · Communications Equipment
1.08%		67.5%280,114$47.88MInfo TechCommunications Equipment
28
KOG
Kongsberg Gruppen
1.04%		68.5%1,353,840$45.97M--
29
COHR
Coherent CorpInfo Tech · Electronic Equipment
0.92%		69.5%146,146$40.60MInfo TechElectronic Equipment
30
CSG
Csg Nv
0.89%		70.4%1,878,469$39.56M--
31—Rainbow Robotics
0.81%		71.2%106,020$35.67M--
32—Hyundai Rotem Co Ltd
0.73%		71.9%324,131$32.26M--
33—Cae IncIndustrials · Aerospace & Defense
0.73%		72.6%1,342,779$32.48MIndustrialsAerospace & Defense
34—Dassault Aviation
0.66%		73.3%88,388$29.14M--
35—Mitsubishi Electric Corp. Com Stk
0.65%		73.9%819,200$28.65M--
36
BWXT
Bwx Technologies, Inc.Industrials · Aerospace & Defense
0.63%		74.6%184,512$28.10MIndustrialsAerospace & Defense
37
TDY
Teledyne Technologies IncInfo Tech · Electronic Equipment
0.63%		75.2%45,611$27.96MInfo TechElectronic Equipment
38
QQ
Qinetiq Group Plc
0.61%		75.8%3,937,590$27.09M--
39
EXENS
Exosens Sas
0.60%		76.4%394,389$26.59M--
40—Ihi Corp
0.59%		77.0%1,547,900$26.00M--
41
CCJ
Cameco Corporation Com NpvMaterials · Metals & Mining
0.58%		77.6%261,375$25.81MMaterialsMetals & Mining
42
MRCY
Mercury Systems IncIndustrials · Aerospace & Defense
0.57%		78.1%291,012$25.41MIndustrialsAerospace & Defense
43
PSN
Parsons CorpIndustrials · Construction
0.56%		78.7%508,025$24.71MIndustrialsConstruction
44
MTSI
Macom Technology Solutions Holdings, Inc.Info Tech · Semiconductors
0.55%		79.3%91,690$24.19MInfo TechSemiconductors
45
LHX
L3Harris Technologies Inc.Industrials · Aerospace & Defense
0.53%		79.8%88,378$23.53MIndustrialsAerospace & Defense
46
MTX
Minerals Technologies Inc.Materials · Chemicals
0.53%		80.3%57,401$23.48MMaterialsChemicals
47—Renk Group Ag
0.52%		80.8%419,837$22.92M--
48
ZS
Zscaler, IncInfo Tech · Software
0.50%		81.3%117,430$22.12MInfo TechSoftware
49
EOS
Electro Optic Systems Holdings Ltd
0.46%		81.8%2,872,153$20.21M--
50—Lig Defense&Aerospace Ltd
0.46%		82.3%39,804$20.18M--
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IDEF ETF All Holdings

IDEF holdings total 131 positions. The top 10 holdings account for 38.1% of the fund, led by United Technologies Corp. at 7.0%, Rolls Royce Holdings Plc Common Stock Gbp.2 at 4.7%, Lockheed Martin Corp at 3.9%.

IDEF portfolio concentration is moderate, with the top 10 representing 38.1% of total assets. The largest sector exposure is Industrials at 26.1%.

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

Compare IDEF

IDEF vs SPYIDEF vs QQQIDEF vs VOOIDEF vs VTIIDEF vs IVVIDEF vs SCHDIDEF vs VYMIDEF vs VXUS

IDEF ETF Holdings

143 of 131 holdings

  • 1

    United Technologies Corp.

    RTX:MXUnknown
    7.04%
  • 2

    Rolls Royce Holdings Plc Common Stock Gbp.2

    RR:LNUnknown
    4.73%
  • 3

    Lockheed Martin Corp

    LMTIndustrials
    3.94%
  • 4

    Thales Sa

    HO:PAUnknown
    3.82%
  • 5

    Boeing Co

    BAIndustrials
    3.62%
  • 6

    General Dynamics Corp.

    GDIndustrials
    3.20%
  • 7

    Bae Systems Plc

    BAES:LNUnknown
    3.19%
  • 8

    Airbus Se

    AIR:ASUnknown
    3.11%
  • 9

    Hanwha Aerospace Ltd

    12450:KRUnknown
    2.73%
  • 10

    Northrop Grumman Corp.

    NOCIndustrials
    2.72%
  • 11

    Saab Class B

    SAAB.B:STUnknown
    2.63%
  • 12

    Mitsubishi Heavy Industries Ltd. Com Stk

    7011:JPUnknown
    2.35%
  • 13

    Palantir Technologies Inc

    PLTRInformation Technology
    2.32%
  • 14

    Amphenol Corp. Class A

    APHInformation Technology
    2.31%
  • 15

    General Electric Co.

    GEIndustrials
    2.30%
  • 16

    Palo Alto Networks, Inc

    PANWInformation Technology
    2.19%
  • 17

    Safran Sa

    SAF:PAUnknown
    1.94%
  • 18

    Leonardo Spa

    LDO:MIUnknown
    1.74%
  • 19

    Rheinmetall Ag

    RHM:SGUnknown
    1.53%
  • 20

    Hanwha Systems Co Ltd

    272210:KRUnknown
    1.52%
  • 21

    Space Exploration Technologies

    SPCXUnknown
    1.46%
  • 22

    Babcock International Group Pl Common Stock GBP.6

    BAB:LNUnknown
    1.41%
  • 23

    Elbit Systems Ltd.

    ESLT:ILUnknown
    1.33%
  • 24

    Korea Aerospace Industries Ltd

    47810:KRUnknown
    1.11%
  • 25

    Howmet Aerospace Inc.

    HWMIndustrials
    1.10%
  • 26

    Singapore Technologies Engineering

    S63:SNUnknown
    1.09%
  • 27

    Fortinet Inc

    FTNTInformation Technology
    1.08%
  • 28

    Kongsberg Gruppen

    KOG:OSUnknown
    1.04%
  • 29

    Coherent Corp

    COHRInformation Technology
    0.92%
  • 30

    Csg Nv

    CSG:ASUnknown
    0.89%
  • 31

    Rainbow Robotics

    277810:KRUnknown
    0.81%
  • 32

    Hyundai Rotem Co Ltd

    64350:KRUnknown
    0.73%
  • 33

    Cae Inc

    CAE:CAIndustrials
    0.73%
  • 34

    Dassault Aviation

    AM:PAUnknown
    0.66%
  • 35

    Mitsubishi Electric Corp. Com Stk

    6503:JPUnknown
    0.65%
  • 36

    Bwx Technologies, Inc.

    BWXTIndustrials
    0.63%
  • 37

    Teledyne Technologies Inc

    TDYInformation Technology
    0.63%
  • 38

    Qinetiq Group Plc

    QQ:LNUnknown
    0.61%
  • 39

    Exosens Sas

    EXENS:PAUnknown
    0.60%
  • 40

    Ihi Corp

    7013:JPUnknown
    0.59%
  • 41

    Cameco Corporation Com Npv

    CCO:CAMaterials
    0.58%
  • 42

    Mercury Systems Inc

    MRCYIndustrials
    0.57%
  • 43

    Parsons Corporation Com

    PSNIndustrials
    0.56%
  • 44

    Macom Technology Solutions Holdings, Inc.

    MTSIInformation Technology
    0.55%
  • 45

    L3Harris Technologies Inc.

    LHXIndustrials
    0.53%
  • 46

    Minerals Technologies Inc.

    MTXMaterials
    0.53%
  • 47

    Renk Group Ag

    R3NK:SGUnknown
    0.52%
  • 48

    Zscaler, Inc

    ZSInformation Technology
    0.50%
  • 49

    Electro Optic Systems Holdings Ltd

    EOS:AUUnknown
    0.46%
  • 50

    Lig Defense&Aerospace Ltd

    79550:KRUnknown
    0.46%
  • 51

    Hensoldt Ag

    HAG:DBUnknown
    0.45%
  • 52

    Blackrock Cash Funds: Treasury, Sl Agency Shares

    XTSLAFinancials
    0.44%
  • 53

    Cerebras Systems Inc.

    CBRSUnknown
    0.42%
  • 54

    Kratos Defense & Security Solutions, Inc.

    KTOSIndustrials
    0.41%
  • 55

    Sanmina Corp

    SANMInformation Technology
    0.41%
  • 56

    Ttm Techologies

    TTMIInformation Technology
    0.41%
  • 57

    Transdigm Group Inc.

    TDGIndustrials
    0.41%
  • 58

    HANWHA OCEAN CO LTD

    042660:KRUnknown
    0.41%
  • 59

    Itt Inc

    ITTIndustrials
    0.39%
  • 60

    Huntington Ingalls Industries Inc.

    HIIIndustrials
    0.37%
  • 61

    Aerovironment Inc

    AVAVIndustrials
    0.35%
  • 62

    Curtiss-wright Corp

    CWIndustrials
    0.35%
  • 63

    Rocket Lab Corp

    RKLBIndustrials
    0.35%
  • 64

    Tkms Ag& Co Kgaa

    DE000TKMS001:SGUnknown
    0.35%
  • 65

    Heico Corp.

    HEIIndustrials
    0.34%
  • 66

    Keysight Technologies Inc.

    KEYSInformation Technology
    0.32%
  • 67

    Woodward Inc

    WWDIndustrials
    0.32%
  • 68

    Textron Inc.

    TXTIndustrials
    0.31%
  • 69

    Codan Ltd/australia

    CDA:AUUnknown
    0.29%
  • 70

    Ati Inc

    ATIMaterials
    0.29%
  • 71

    Moog Inccommon Stock

    MOG.AIndustrials
    0.27%
  • 72

    O S I Systems Inc

    OSISHealth Care
    0.27%
  • 73

    Hyundai Heavy Industries Co., Ltd.

    329180:KRUnknown
    0.26%
  • 74

    Leonardo DRS Inc

    DRSUnknown
    0.25%
  • 75

    Kitron Asa

    KIT:OSUnknown
    0.25%
  • 76

    Kawasaki Heavy Industries Ltd. Com Stk

    7012:TKUnknown
    0.25%
  • 77

    National Presto Industries

    NPKConsumer Discretionary
    0.25%
  • 78

    Oklo Inc Class A

    OKLOEnergy
    0.24%
  • 79

    Carpenter Technology Corpcommon Stock

    CRSMaterials
    0.24%
  • 80

    Crane Co

    CRIndustrials
    0.24%
  • 81

    Honeywell Aerospace Inc

    HONAUnknown
    0.24%
  • 82

    Samsung Heavy Industries Co Ltd

    10140:KRUnknown
    0.24%
  • 83

    PLANET LABS PBC

    PLInformation Technology
    0.24%
  • 84

    Sumitomo Heavy Industries Ltd. Com Stk

    6302:TKUnknown
    0.22%
  • 85

    Hexcel Corp

    HXLIndustrials
    0.22%
  • 86

    Karman Holdings Inc

    KRMNIndustrials
    0.22%
  • 87

    Leidos Holdings, Inc.

    LDOSIndustrials
    0.21%
  • 88

    Redwire Corp

    RDWIndustrials
    0.21%
  • 89

    Mirant Corp 144A Escrow

    MIRInformation Technology
    0.20%
  • 90

    Asgn Inc

    ASGNInformation Technology
    0.19%
  • 91

    Aevex Corp-Cl A

    AVEXUnknown
    0.19%
  • 92

    Centrus Energy Corp. Class A

    LEUEnergy
    0.19%
  • 93

    Poongsan Corp

    103140:KRUnknown
    0.19%
  • 94

    Red Cat Holdings Inc

    RCATIndustrials
    0.19%
  • 95

    Voyager Technologies Inc

    VOYGInformation Technology
    0.19%
  • 96

    Droneshield, Ltd.

    DRO:AUUnknown
    0.19%
  • 97

    Nlight Inc

    LASRInformation Technology
    0.18%
  • 98

    Hd Korea Shipbuilding &

    009540:KRUnknown
    0.18%
  • 99

    Bet Shemesh Engines Holdings 1997 Ltd

    BSEN:ILUnknown
    0.18%
  • 100

    K1 Ventures Ltd

    KMAR:SIUnknown
    0.18%
  • 101

    Ducommun Incorporated Com

    DCOIndustrials
    0.18%
  • 102

    Chemring Group Plc

    CHG:LNUnknown
    0.17%
  • 103

    Bombardier Inc

    BDRBF:CAIndustrials
    0.17%
  • 104

    Embraer S.A. Sponsored Adr - Full Dividend (Representing 4 Non-Voting Pfd Shs) (1 Ads : 4 Ordinary)

    EMBR3:BVIndustrials
    0.17%
  • 105

    Ondas Holdings Inc.

    ONDSInformation Technology
    0.17%
  • 106

    Hanjin Heavy Industries & Construction Co Ltd

    97230:KRUnknown
    0.17%
  • 107

    Radware

    RDWRInformation Technology
    0.17%
  • 108

    Rbc Bearings Inc

    ROLLIndustrials
    0.16%
  • 109

    Viasat Inc

    VSATInformation Technology
    0.16%
  • 110

    Vse Corp

    VSECIndustrials
    0.14%
  • 111

    Kopin Corp

    KOPNInformation Technology
    0.14%
  • 112

    Oceaneering Intl Inc.

    OIIEnergy
    0.13%
  • 113

    Aerospace Industrial Development

    2634:TWUnknown
    0.13%
  • 114

    Nippon Avionics Co Ltd

    6946:JPUnknown
    0.13%
  • 115

    Tutor Perini Corp

    TPCIndustrials
    0.12%
  • 116

    Blacksky Technology, Inc.

    BKSYInformation Technology
    0.12%
  • 117

    Iridium Communications Inc

    IRDMCommunication Services
    0.11%
  • 118

    Mp Materials Corp

    MPMaterials
    0.11%
  • 119

    V2X Inc

    VVXInformation Technology
    0.11%
  • 120

    Snt Dynamics Co.,Ltd.

    3570:KRUnknown
    0.11%
  • 121

    Lynas Corporation Limited - Placement Lycxx

    LYC:AUUnknown
    0.11%
  • 122

    Unusual Machines Inc /Us

    UMACIndustrials
    0.10%
  • 123

    Usa Rare Earth Inc

    USARMaterials
    0.08%
  • 124

    Iluka Resources Ltd

    ILU:AUMaterials
    0.07%
  • 125

    Kraken Robotics Inc

    PNG:CAInformation Technology
    0.07%
  • 126

    Materion Corp

    MTRNMaterials
    0.07%
  • 127

    Hawkeye Inc

    HAWKUnknown
    0.06%
  • 128

    Toshiba Tec Corp

    6588:JPUnknown
    0.05%
  • 129

    Arafura Resources Ltd

    ARU:AUUnknown
    0.04%
  • 130

    USD Cash

    Other
    0.03%
  • 131

    Cash Collateral USD Hbcft

    Other
    0.03%
  • 132

    Gbp Cash

    Other
    0.03%
  • 133

    Avio S.P.A.

    AVIO:MIUnknown
    0.03%
  • 134

    Sek Cash

    Other
    0.01%
  • 135

    KRW CASH

    Other
    0.01%
  • 136

    JPY Cash

    Other
    0.01%
  • 137

    AUD Cash

    Other
    0.01%
  • 138

    EUR CASH

    Other
    0.01%
  • 139

    SGD Cash

    Other
    0.01%
  • 140

    ILS Cash

    Other
    0.01%
  • 141

    Nok Cash

    Other
    0.00%
  • 142

    CAD Cash

    Other
    0.00%
  • 143

    S&P500 Emini Sep 26

    Other
    0.00%