Fund comparison · from official SEC filings
IBB vs XBI: how much do they overlap?
iShares Biotechnology ETF and State Street(R) SPDR(R) S&P(R) Biotech ETF
vs
Shared holdings
Company
IBB
XBI
V
VRTXVERTEX PHARMACEUTICALS INC
6.77%
0.96%
G
GILDGILEAD SCIENCES INC
6.64%
1.01%
A
AMGNAMGEN INC
6.63%
0.98%
R
REGNREGENERON PHARMACEUTICALS
5.03%
1.05%
A
ALNYALNYLAM PHARMACEUTICALS INC
5.02%
1.09%
I
INSMINSMED INC
2.61%
1.24%
N
NTRANATERA INC
1.87%
1.07%
B
BIIBBIOGEN INC
1.80%
1.02%
1
1JKAPELLIS PHARMACEUTICALS INC
0.21%
1.70%
U
UTHRUNITED THERAPEUTICS CORP
1.61%
1.15%
I
INCYINCYTE CORP
1.43%
1.05%
A
ALKSALKERMES PLC
0.42%
1.34%
M
MDGLMADRIGAL PHARMACEUTICALS INC
0.81%
1.28%
S
SRRKSCHOLAR ROCK HOLDING CORP
0.24%
1.20%
A
APGEAPOGEE THERAPEUTICS INC
0.13%
1.19%
N
NBIXNEUROCRINE BIOSCIENCES INC
1.19%
1.07%
P
PTGXPROTAGONIST THERAPEUTICS INC
0.34%
1.15%
S
SMMTSUMMIT THERAPEUTICS INC
0.20%
1.15%
P
PRAXPRAXIS PRECISION MEDICINES I
0.09%
1.14%
A
ARWRARROWHEAD PHARMACEUTICALS IN
0.39%
1.14%
C
COGTCOGENT BIOSCIENCES INC
0.14%
1.13%
B
BBIOBRIDGEBIO PHARMA INC
0.74%
1.10%
P
PTCTPTC THERAPEUTICS INC
0.41%
1.09%
C
CYTKCYTOKINETICS INC
0.56%
1.09%
E
EXELEXELIXIS INC
0.94%
1.08%
Only in IBB
B
BISXXBCF INSTITUTIONAL-SL AGNCY
11.65%
I
IQVIQVIA HOLDINGS INC
2.81%
A
ARGXARGENX SE - ADR
2.78%
M
MTDMETTLER-TOLEDO INTERNATIONAL
2.20%
O
ONCBEONE MEDICINES LTD-ADR
1.86%
W
WATWATERS CORP
1.56%
I
ILMNILLUMINA INC
1.24%
G
GMABGENMAB A/S -SP ADR
1.22%
M
MEDPMEDPACE HOLDINGS INC
1.02%
T
TECHBIO-TECHNE CORP
0.75%
A
ASNDASCENDIS PHARMA A/S
0.74%
T
TEMTEMPUS AI INC-CL A
0.68%
C
CRLCHARLES RIVER LABORATORIES
0.67%
R
RGENREPLIGEN CORP
0.62%
2
2GHMERUS NV
0.56%
B
BNTXBIONTECH SE-ADR
0.55%
V
VRNAVERONA PHARMA PLC - ADR
0.52%
?
—Avidity Biosciences, Inc.
0.44%
A
AXSMAXSOME THERAPEUTICS INC
0.44%
L
LEGNLEGEND BIOTECH CORP-ADR
0.36%
?
—Nuvalent, Inc.
0.34%
C
CRNXCRINETICS PHARMACEUTICALS IN
0.32%
A
AKROAKERO THERAPEUTICS INC
0.29%
B
BRKRBRUKER CORP
0.29%
X
XENEXENON PHARMACEUTICALS INC
0.26%
Only in XBI
G
GVMXXSTATE ST INST US GOV MM-PREM
7.47%
T
TGTXTG THERAPEUTICS INC
1.25%
?
—Nuvalent Inc
1.08%
C
CELCCELCUITY INC
1.04%
A
ABBVABBVIE INC
1.01%
V
VKTXVIKING THERAPEUTICS INC
0.96%
I
IMNMIMMUNOME INC
0.80%
C
CN2CATALYST PHARMACEUTICALS INC
0.70%
V
VRDNVIRIDIAN THERAPEUTICS INC
0.65%
K
KODKODIAK SCIENCES INC
0.64%
6
6XCSOLENO THERAPEUTICS INC
0.62%
D
DNTHDIANTHUS THERAPEUTICS INC
0.61%
A
ARDXARDELYX INC
0.57%
C
CLDXCELLDEX THERAPEUTICS INC
0.48%
C
CAPRCAPRICOR THERAPEUTICS INC
0.44%
P
PVLAPALVELLA THERAPEUTICS INC
0.43%
?
—Day One Biopharmaceuticals Inc
0.30%
C
CTMXCYTOMX THERAPEUTICS INC
0.26%
S
SLSSELLAS LIFE SCIENCES GROUP I
0.25%
C
CMPXCOMPASS THERAPEUTICS INC
0.24%
Z
ZBIOZENAS BIOPHARMA INC
0.22%
S
SIONSIONNA THERAPEUTICS INC
0.21%
V
VORVOR BIOPHARMA INC
0.21%
B
BCAXBICARA THERAPEUTICS INC
0.17%
P
PURRHYPERLIQUID STRATEGIES
0.16%
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36% overlap
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32% overlap
Data source: official SEC Form N-PORT filings from each fund. Fund holdings are disclosed quarterly and may reflect a 60-day reporting delay.
Informational and educational only — not investment advice.
Informational and educational only — not investment advice.