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Fund comparison · from official SEC filings

IBB vs IWM: how much do they overlap?

iShares Biotechnology ETF and iShares Russell 2000 ETF

Fund A

vs

Fund B

Holdings overlap

18%

of assets, by weight

Shared positions

169

of 253 / 1,980 holdings

IBB expense ratio

0.44%

net, per year

IWM expense ratio

0.19%

net, per year

Shared holdings

Company

IBB

IWM

B

BISXXBCF INSTITUTIONAL-SL AGNCY

11.65%

13.51%

M

MDGLMADRIGAL PHARMACEUTICALS INC

0.81%

0.26%

B

BBIOBRIDGEBIO PHARMA INC

0.74%

0.25%

C

CYTKCYTOKINETICS INC

0.56%

0.20%

R

RYTMRHYTHM PHARMACEUTICALS INC

0.54%

0.16%

C

CRSPCRISPR THERAPEUTICS AG

0.49%

0.16%

?

—Avidity Biosciences, Inc.

0.44%

0.14%

A

AXSMAXSOME THERAPEUTICS INC

0.44%

0.15%

A

ALKSALKERMES PLC

0.42%

0.15%

P

PTCTPTC THERAPEUTICS INC

0.41%

0.15%

P

PCVXVAXCYTE INC

0.40%

0.13%

A

ARWRARROWHEAD PHARMACEUTICALS IN

0.39%

0.13%

K

KRYSKRYSTAL BIOTECH INC

0.38%

0.13%

P

PTGXPROTAGONIST THERAPEUTICS INC

0.34%

0.12%

?

—Nuvalent, Inc.

0.34%

0.11%

X

XTSLABLCKRCK CASH-TRSRY-SL AGNCY

0.17%

0.32%

C

CRNXCRINETICS PHARMACEUTICALS IN

0.32%

0.11%

A

ACAACADIA PHARMACEUTICALS INC

0.31%

0.08%

A

ACLXARCELLX INC

0.30%

0.09%

A

ADMAADMA BIOLOGICS INC

0.30%

0.10%

A

AKROAKERO THERAPEUTICS INC

0.29%

0.10%

K

KYMRKYMERA THERAPEUTICS INC

0.29%

0.09%

M

MIRMMIRUM PHARMACEUTICALS INC

0.26%

0.09%

X

XENEXENON PHARMACEUTICALS INC

0.26%

0.09%

S

SRRKSCHOLAR ROCK HOLDING CORP

0.24%

0.09%

Only in IBB

V

VRTXVERTEX PHARMACEUTICALS INC

6.77%

G

GILDGILEAD SCIENCES INC

6.64%

A

AMGNAMGEN INC

6.63%

R

REGNREGENERON PHARMACEUTICALS

5.03%

A

ALNYALNYLAM PHARMACEUTICALS INC

5.02%

I

IQVIQVIA HOLDINGS INC

2.81%

A

ARGXARGENX SE - ADR

2.78%

I

INSMINSMED INC

2.61%

M

MTDMETTLER-TOLEDO INTERNATIONAL

2.20%

N

NTRANATERA INC

1.87%

O

ONCBEONE MEDICINES LTD-ADR

1.86%

B

BIIBBIOGEN INC

1.80%

U

UTHRUNITED THERAPEUTICS CORP

1.61%

W

WATWATERS CORP

1.56%

I

INCYINCYTE CORP

1.43%

I

ILMNILLUMINA INC

1.24%

G

GMABGENMAB A/S -SP ADR

1.22%

N

NBIXNEUROCRINE BIOSCIENCES INC

1.19%

M

MEDPMEDPACE HOLDINGS INC

1.02%

E

EXELEXELIXIS INC

0.94%

I

IONSIONIS PHARMACEUTICALS INC

0.91%

B

BMRNBIOMARIN PHARMACEUTICAL INC

0.90%

M

MRNAMODERNA INC

0.78%

T

TECHBIO-TECHNE CORP

0.75%

A

ASNDASCENDIS PHARMA A/S

0.74%

Only in IWM

C

CRDOCREDO TECHNOLOGY GROUP HOLDI

0.66%

B

BEBLOOM ENERGY CORP- A

0.55%

I

IONQIONQ INC

0.52%

K

KTOSKRATOS DEFENSE & SECURITY

0.46%

F

FNFABRINET

0.40%

O

OKLOOKLO INC

0.37%

C

CDECOEUR MINING INC

0.37%

R

RMBSRAMBUS INC

0.34%

H

HIMSHIMS & HERS HEALTH INC

0.33%

N

NXTNEXTPOWER INC-CL A

0.33%

E

ECHOECHOSTAR CORP-A

0.32%

S

STRLSTERLING INFRASTRUCTURE INC

0.31%

A

AVAVAEROVIRONMENT INC

0.31%

E

ENSGENSIGN GROUP INC/THE

0.30%

R

RGTIRIGETTI COMPUTING INC

0.29%

?

—CHART INDUSTRIES, INC.

0.28%

S

SPXCSPX TECHNOLOGIES INC

0.27%

I

IDCCINTERDIGITAL INC

0.27%

U

UMBFUMB FINANCIAL CORP

0.26%

C

CVLTCOMMVAULT SYSTEMS INC

0.26%

D

DYDYCOM INDUSTRIES INC

0.25%

H

HQYHEALTHEQUITY INC

0.25%

O

ONBOLD NATIONAL BANCORP

0.23%

W

WTSWATTS WATER TECHNOLOGIES-A

0.23%

Q

QBTSD-WAVE QUANTUM INC

0.23%

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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.