XBI ETF

XBI ETF
$154.43
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MRNA is XBI's largest holding at 3.04% of the fund as of Sep 11, 2026. XBI is State Street SPDR S&P Biotech ETF.

Showing top 50 of 156 holdings · as of Sep 11, 2026
XBI holdings, by weight
#TickerNameWeightCumulativeSharesSectorIndustry
1—Moderna therapeuticsHealth Care · Biotechnology
3.04%
3.0%2,266,461Health CareBiotechnology
2
TWST
Twist Bioscience Corp.Health Care · Biotechnology
1.82%
4.9%1,538,121Health CareBiotechnology
Share changes, sector and industry · Pro
3
NTRA
Natera Inc
1.48%
6.3%481,504
4
HALO
Halozyme Therapeutics Inc
1.48%
7.8%1,478,512
5
KYMR
Kymera Therapeutics Inc
1.43%
9.3%1,332,435
6
ORKA
Oruka Therapeutics Inc Orka
1.40%
10.7%1,627,933
7—Roivant Sciences Ltd. Common Shares
1.39%
12.0%3,668,940
8
RVMD
Revolution Medicines Inc
1.37%
13.4%722,883
9
TVTX
Travere Therapeutics Inc
1.37%
14.8%2,230,138
10
INSM
Insmed Inc
1.37%
16.2%1,134,475
11
PTGX
Protagonist Therapeutics Inc
1.36%
17.5%985,454
12
PRAX
Praxis Precision Medicines, Inc.
1.35%
18.9%433,123
13
DNTH
Dianthus Therapeutics Inc
1.35%
20.2%1,363,932
14
CGON
Cg Oncology Inc
1.28%
21.5%1,897,916
15
SMMT
Summit Therapeutics
1.28%
22.8%7,802,291
16
PCVX
Vaxcyte Inc
1.27%
24.0%2,294,890
17
REGN
Regeneron Pharmaceuticals, Inc.
1.26%
25.3%173,267
18
SRRK
Scholar Rock Holding Corp
1.22%
26.5%2,364,112
19
IOVA
Iovance Biotherapeutics Inc
1.22%
27.7%15,213,061
20
RYTM
Rhythm Pharmaceuticals Inc
1.19%
28.9%1,216,099
21
SYRE
Spyre Therapeutics Inc
1.17%
30.1%1,388,292
22
RLAY
Relay Therapeutics Inc
1.16%
31.3%6,600,041
23—Nvaesrtex Pharmaceuticals Inc
1.15%
32.4%239,225
24
ERAS
Erasca Inc.
1.15%
33.6%7,796,179
25
GILD
Gilead Sciences
1.15%
34.7%857,995
26
ARWR
Arrowhead Pharmaceuticals Inc
1.14%
35.9%1,473,669
27
BMRN
Biomarin Pharmaceutical Inc.
1.14%
37.0%1,855,711
28
INCY
Incyte Corp.
1.12%
38.1%989,045
29
TGTX
Tg Therapeutics Inc
1.12%
39.2%2,235,852
30
VKTX
Viking Therapeutics Inc
1.12%
40.4%3,756,271
31
ABBV
AbbVie Inc.
1.11%
41.5%463,374
32
MDGL
Madrigal Pharmaceuticals Inc
1.10%
42.6%221,136
33
BIIB
Biogen Inc.
1.09%
43.7%536,652
34
ACAD
Acadia Pharmaceuticals Inc
1.08%
44.7%4,163,340
35
AMGN
Amgen Inc.
1.08%
45.8%308,673
36
KRYS
Krystal Biotech Inc
1.08%
46.9%333,631
37
CYTK
Cytokinetics Inc
1.07%
48.0%1,554,092
38
GRAL
Grail, Inc.
1.06%
49.0%1,492,269
39
BBIO
Bridgebio Pharma Inc_None_0
1.04%
50.1%1,546,399
40
EXEL
Exelixis Inc
1.04%
51.1%1,982,412
41—Uniqure N.V. Ordinary Shares
1.04%
52.1%2,508,740
42
COGT
Cogent Biosciences Inc
1.03%
53.2%3,321,707
43—Alkermes Plc. Ordinary Shares
1.02%
54.2%2,377,656
44—Crispr Therapeutics Ag Common Shares
1.02%
55.2%2,108,354
45
MIRM
Mirum Pharmaceuticals, Inc.
1.01%
56.2%1,108,833
46
SLS
Sellas Life Sciences Group Inc.
0.97%
57.2%9,058,437
47
IBRX
Immunitybio Inc
0.96%
58.2%13,080,843
48
IMVT
Immunovant Inc
0.94%
59.1%2,697,344
49
NBIX
Neurocrine Biosciences Inc
0.94%
60.0%647,967
50
CELC
Celcuity Inc
0.92%
61.0%1,181,311
More holdings · Pro
Not reported for this fund: market value.
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XBI ETF All Holdings

XBI holdings total 313 positions. The top 10 holdings account for 16.2% of the fund, led by Moderna therapeutics at 3.0%, Twist Bioscience Corp. at 1.8%, Natera Inc at 1.5%.

XBI portfolio concentration is well-diversified, with the top 10 representing 16.2% of total assets. The largest sector exposure is Health Care at 97.7%.

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

XBI ETF Holdings

156 of 313 holdings

  • 1

    Moderna therapeutics

    MRNAHealth Care
    3.04%
  • 2

    Twist Bioscience Corp.

    TWSTHealth Care
    1.82%
  • 3

    Natera Inc

    NTRAHealth Care
    1.48%
  • 4

    Halozyme Therapeutics Inc

    HALOHealth Care
    1.48%
  • 5

    Kymera Therapeutics Inc

    KYMRHealth Care
    1.43%
  • 6

    Oruka Therapeutics Inc Orka

    ORKAHealth Care
    1.40%
  • 7

    Roivant Sciences Ltd. Common Shares

    ROIV:BMHealth Care
    1.39%
  • 8

    Revolution Medicines Inc

    RVMDHealth Care
    1.37%
  • 9

    Travere Therapeutics Inc

    TVTXHealth Care
    1.37%
  • 10

    Insmed Inc

    INSMHealth Care
    1.37%
  • 11

    Protagonist Therapeutics Inc

    PTGXHealth Care
    1.36%
  • 12

    Praxis Precision Medicines, Inc.

    PRAXHealth Care
    1.35%
  • 13

    Dianthus Therapeutics Inc

    DNTHHealth Care
    1.35%
  • 14

    Cg Oncology Inc

    CGONHealth Care
    1.28%
  • 15

    Summit Therapeutics

    SMMTHealth Care
    1.28%
  • 16

    Vaxcyte Inc

    PCVXHealth Care
    1.27%
  • 17

    Regeneron Pharmaceuticals, Inc.

    REGNHealth Care
    1.26%
  • 18

    Scholar Rock Holding Corporation Com

    SRRKHealth Care
    1.22%
  • 19

    Iovance Biotherapeutics Inc

    IOVAHealth Care
    1.22%
  • 20

    Rhythm Pharmaceuticals Inc

    RYTMHealth Care
    1.19%
  • 21

    Spyre Therapeutics Inc

    SYREHealth Care
    1.17%
  • 22

    Relay Therapeutics Inc

    RLAYHealth Care
    1.16%
  • 23

    Nvaesrtex Pharmaceuticals Inc

    VRTXHealth Care
    1.15%
  • 24

    Erasca Inc.

    ERASHealth Care
    1.15%
  • 25

    Gilead Sciences

    GILDHealth Care
    1.15%
  • 26

    Arrowhead Pharmaceuticals Inc

    ARWRHealth Care
    1.14%
  • 27

    Biomarin Pharmaceutical Inc.

    BMRNHealth Care
    1.14%
  • 28

    Incyte Corp.

    INCYHealth Care
    1.12%
  • 29

    Tg Therapeutics Inc Common Stock

    TGTXHealth Care
    1.12%
  • 30

    Viking Therapeutics Inc Com

    VKTXHealth Care
    1.12%
  • 31

    Abbvie Inc.

    ABBVHealth Care
    1.11%
  • 32

    Madrigal Pharmaceuticals Inc

    MDGLHealth Care
    1.10%
  • 33

    Biogen Inc. Com

    BIIBHealth Care
    1.09%
  • 34

    Acadia Pharmaceuticals Inc Common Stock Usd 0.0001

    ACADHealth Care
    1.08%
  • 35

    Amgen Inc.

    AMGNHealth Care
    1.08%
  • 36

    Krystal Biotech Inc

    KRYSHealth Care
    1.08%
  • 37

    Cytokinetics Inc

    CYTKHealth Care
    1.07%
  • 38

    Grail, Inc.

    GRALHealth Care
    1.06%
  • 39

    Bridgebio Pharma Inc_None_0

    BBIOHealth Care
    1.04%
  • 40

    Exelixis Inc

    EXELHealth Care
    1.04%
  • 41

    Uniqure N.V. Ordinary Shares

    QURE:ASHealth Care
    1.04%
  • 42

    Cogent Biosciences Inc

    COGTHealth Care
    1.03%
  • 43

    Alkermes Plc. Ordinary Shares

    ALKS:IEHealth Care
    1.02%
  • 44

    Crispr Therapeutics Ag Common Shares

    CRSP:SMHealth Care
    1.02%
  • 45

    Mirum Pharmaceuticals, Inc.

    MIRMHealth Care
    1.01%
  • 46

    Sellas Life Sciences Group Inc.

    SLSHealth Care
    0.97%
  • 47

    Immunitybio Inc

    IBRXHealth Care
    0.96%
  • 48

    Immunovant Inc

    IMVTHealth Care
    0.94%
  • 49

    Neurocrine Biosciences Inc

    NBIXHealth Care
    0.94%
  • 50

    Celcuity Inc Com

    CELCHealth Care
    0.92%
  • 51

    Vera Therapeutics Inc Ser C Pc Pp

    VERAHealth Care
    0.91%
  • 52

    Sarepta Therapeutics Inc

    SRPTHealth Care
    0.89%
  • 53

    United Therapeutics Corp

    UTHRHealth Care
    0.89%
  • 54

    Ptc Therapeutics Inc

    PTCTHealth Care
    0.87%
  • 55

    Ideaya Biosciences Inc

    IDYAHealth Care
    0.85%
  • 56

    Alnylam Pharmaceuticals Inc.

    ALNYHealth Care
    0.83%
  • 57

    Viridian Therapeutics Ors Inc

    VRDNHealth Care
    0.81%
  • 58

    Beam Therapeutics Inc. Com

    BEAMHealth Care
    0.79%
  • 59

    Mineralys Therapeutics Inc

    MLYSHealth Care
    0.78%
  • 60

    BioCryst Pharmaceuticals Inc.

    BCRXHealth Care
    0.76%
  • 61

    Dynegy

    DYNHealth Care
    0.74%
  • 62

    Celldex Therapeutics Inc

    CLDXHealth Care
    0.73%
  • 63

    Hyperliquid Strategies Inc

    PURRUnknown
    0.72%
  • 64

    Immunome Inc

    IMNMHealth Care
    0.72%
  • 65

    Ionis Pharmaceuticals Inc

    IONSHealth Care
    0.72%
  • 66

    Denali Therapeutics Inc

    DNLIHealth Care
    0.71%
  • 67

    Adma Biologics Inc Com

    ADMAHealth Care
    0.70%
  • 68

    Novavax Inc

    NVAXHealth Care
    0.69%
  • 69

    Recursion Pharmaceuticals Inc

    RXRXHealth Care
    0.69%
  • 70

    Arcutis Biotherapeutics Inc

    ARQTHealth Care
    0.68%
  • 71

    Tango Therapeutics Inc.

    TNGXHealth Care
    0.67%
  • 72

    Agios Pharmaceuticals Inc

    AGIOHealth Care
    0.66%
  • 73

    Intellia Therapeutics Inc

    NTLAHealth Care
    0.66%
  • 74

    Disc Medicine, Inc.

    IRONHealth Care
    0.65%
  • 75

    Syndax Pharmaceuticals Inc

    SNDXHealth Care
    0.63%
  • 76

    Arcus Biosciences Inc

    RCUSHealth Care
    0.62%
  • 77

    Nurix Therapeutics Inc Common Stock

    NRIXHealth Care
    0.60%
  • 78

    Palvella Therapeutics Inc

    PVLAHealth Care
    0.60%
  • 79

    Veracyte, Inc.

    VCYTHealth Care
    0.60%
  • 80

    Caredx Inc

    CDNAHealth Care
    0.56%
  • 81

    Ultragenyx Pharmaceutical Inc

    RAREHealth Care
    0.51%
  • 82

    Vir Biotechnology Inc.

    VIRHealth Care
    0.51%
  • 83

    Kodiak Sciences Inc

    KODHealth Care
    0.48%
  • 84

    Cullinan Oncology Inc

    CGEMHealth Care
    0.48%
  • 85

    Precigen Corp

    PGENHealth Care
    0.47%
  • 86

    Biohaven Ltd

    BHVNUnknown
    0.47%
  • 87

    Xencor Inc

    XNCRHealth Care
    0.46%
  • 88

    Stoke Therapeutics Inc Com

    STOKHealth Care
    0.45%
  • 89

    Vericel Corp

    VCELHealth Care
    0.45%
  • 90

    Inhibrx Biosciences Inc

    INBXHealth Care
    0.43%
  • 91

    Absci Corp

    ABSIHealth Care
    0.42%
  • 92

    Anaptysbio Inc

    ANABHealth Care
    0.41%
  • 93

    Zenas Biopharma Inc

    ZBIOHealth Care
    0.41%
  • 94

    Oric Pharmaceuticals, Inc. Series C

    ORICHealth Care
    0.38%
  • 95

    Vor Biopharma Inc

    VORHealth Care
    0.38%
  • 96

    Corvus Pharmaceuticals Inc

    CRVSHealth Care
    0.37%
  • 97

    Replimune Group Inc Com

    REPLHealth Care
    0.35%
  • 98

    Kura Oncology Inc

    KURAHealth Care
    0.34%
  • 99

    First Tracks Biotherapeutics, Inc.

    TRAXUnknown
    0.33%
  • 100

    Avalo Therapeuti

    AVTXHealth Care
    0.32%
  • 101

    Janux Therapeutics Inc

    JANXHealth Care
    0.32%
  • 102

    Mannkind Corporation Com New

    MNKDHealth Care
    0.31%
  • 103

    Rigel Pharmaceuticals Inc

    RIGLUnknown
    0.30%
  • 104

    Tyra Biosciences Inc

    TYRAHealth Care
    0.30%
  • 105

    Monte Rosa Therapeutics Inc

    GLUEHealth Care
    0.29%
  • 106

    Geron Corp

    GERNHealth Care
    0.29%
  • 107

    Jade Biosciences Inc

    JBIOHealth Care
    0.27%
  • 108

    Olema Pharmaceuticals Inc

    OLMAHealth Care
    0.27%
  • 109

    Taysha Gene Therapies Inc

    TSHAHealth Care
    0.27%
  • 110

    Altimmune Inc

    ALTHealth Care
    0.26%
  • 111

    Ardelyx Inc

    ARDXHealth Care
    0.26%
  • 112

    Cytomx Therapeutics Inc

    CTMXHealth Care
    0.26%
  • 113

    ARRIVENT BIOPHARMA INC

    AVBPHealth Care
    0.25%
  • 114

    Immix Biopharma Inc

    IMMXHealth Care
    0.25%
  • 115

    Annexon Inc

    ANNXHealth Care
    0.24%
  • 116

    Bicara Therapeutics, Inc.

    BCAXHealth Care
    0.24%
  • 117

    Verastem Inc

    VSTMUnknown
    0.24%
  • 118

    Sana Biotechnology Inc

    SANAHealth Care
    0.22%
  • 119

    Solid Biosciences Inc

    SLDBHealth Care
    0.22%
  • 120

    Ironwood Pharmaceuticals Inc

    IRWDHealth Care
    0.22%
  • 121

    Allogene Therapeutics Inc

    ALLOHealth Care
    0.21%
  • 122

    Candel Therapeutics Inc.

    CADLHealth Care
    0.21%
  • 123

    4d Molecular Therapeutics Inc.

    FDMTHealth Care
    0.21%
  • 124

    Damora Therapeutics, Inc.

    DMRAHealth Care
    0.20%
  • 125

    Arbutus Biopharma Corp.

    ABUSHealth Care
    0.18%
  • 126

    Capricor Therapeutics Inc

    CAPRHealth Care
    0.18%
  • 127

    Savara Inc

    SVRAHealth Care
    0.17%
  • 128

    Prime Medicine, Inc.

    PRMEHealth Care
    0.16%
  • 129

    Regenxbio Inc

    RGNXHealth Care
    0.16%
  • 130

    Ocugen Inc.

    OCGNHealth Care
    0.14%
  • 131

    Cabaletta Bio Inc

    CABAHealth Care
    0.14%
  • 132

    COMPASS THERAPEUTICS INC

    CMPXHealth Care
    0.13%
  • 133

    Mimedx Group Inc Com

    MDXGHealth Care
    0.13%
  • 134

    Ovid Therapeutics Inc

    OVIDHealth Care
    0.13%
  • 135

    Prothena Corporation Public Limited Company Ordinary Shares

    PRTA:IEHealth Care
    0.13%
  • 136

    ARS Pharmaceuticals Inc

    SPRYHealth Care
    0.11%
  • 137

    Vanda Pharmaceuticals Inc

    VNDAHealth Care
    0.11%
  • 138

    Perspective Ther

    CATXHealth Care
    0.11%
  • 139

    Emergent Biosolutions Inc

    EBSHealth Care
    0.10%
  • 140

    Lexeo Therapeutics Inc - Series B

    LEXOHealth Care
    0.10%
  • 141

    Myriad Genetics, Inc.

    MYGNHealth Care
    0.10%
  • 142

    Sagimet Biosciences Inc

    SGMTHealth Care
    0.10%
  • 143

    Ssi Us Gov Money Market Class

    GVMXXUnknown
    0.10%
  • 144

    Achieve Life Sciences Inc

    ACHVHealth Care
    0.09%
  • 145

    Contra Metsera Inc

    Other
    0.07%
  • 146

    Maplight Therapeutics Inc

    MPLTUnknown
    0.06%
  • 147

    Sionna Therapeutics Inc

    SIONHealth Care
    0.05%
  • 148

    BRIDGEBIO ONCOLOGY THERAPEUTICS IN

    BBOTUnknown
    0.04%
  • 149

    Contra Akero Therapeut Common Stock

    Other
    0.01%
  • 150

    Ping An Insu Ran Ce Group Co. Of C Hin A Ltd.

    601318:SHHealth Care
    0.01%
  • 151

    Contra Inhibrx Inc

    Other
    0.01%
  • 152

    Contra Verve Therapeut

    Other
    0.01%
  • 153

    Omniab Inc 12.5 Earnout

    OABIHealth Care
    0.00%
  • 154

    Omniab Inc 15.00 Earnout

    OABIHealth Care
    0.00%
  • 155

    us dollar001/00/1900

    Other
    0.00%
  • 156

    Contra Blueprint Medic

    Health Care
    0.00%