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Fund comparison · from official SEC filings

BIB vs IBB: how much do they overlap?

ProShares Ultra Nasdaq Biotechnology and iShares Biotechnology ETF

Fund A

vs

Fund B

Holdings overlap

53%

of assets, by weight

Shared positions

187

of 259 / 253 holdings

BIB expense ratio

0.95%

net, per year

IBB expense ratio

0.44%

net, per year

BIB and IBB are largely redundant — holding both means most of your money tracks the same underlying companies.

Shared holdings

Company

BIB

IBB

?

—N/A

17.83%

0.00%

V

VRTXVERTEX PHARMACEUTICALS INC

5.18%

6.77%

G

GILDGILEAD SCIENCES INC

5.19%

6.64%

A

AMGNAMGEN INC

4.99%

6.63%

R

REGNREGENERON PHARMACEUTICALS

3.57%

5.03%

A

ALNYALNYLAM PHARMACEUTICALS INC

2.24%

5.02%

A

ARGXARGENX SE - ADR

1.33%

2.78%

I

INSMINSMED INC

1.29%

2.61%

O

ONCBEONE MEDICINES LTD-ADR

0.51%

1.86%

B

BIIBBIOGEN INC

1.61%

1.80%

R

RVMDREVOLUTION MEDICINES INC

1.74%

0.66%

U

UTHRUNITED THERAPEUTICS CORP

1.36%

1.61%

I

INCYINCYTE CORP

1.08%

1.43%

I

ILMNILLUMINA INC

1.39%

1.24%

G

GMABGENMAB A/S -SP ADR

0.09%

1.22%

R

ROIVROIVANT SCIENCES LTD

1.20%

0.57%

N

NBIXNEUROCRINE BIOSCIENCES INC

0.89%

1.19%

M

MRNAMODERNA INC

1.04%

0.78%

M

MEDPMEDPACE HOLDINGS INC

0.71%

1.02%

E

EXELEXELIXIS INC

0.73%

0.94%

I

IONSIONIS PHARMACEUTICALS INC

0.71%

0.91%

B

BMRNBIOMARIN PHARMACEUTICAL INC

0.62%

0.90%

M

MDGLMADRIGAL PHARMACEUTICALS INC

0.64%

0.81%

A

ASNDASCENDIS PHARMA A/S

0.77%

0.74%

S

SMMTSUMMIT THERAPEUTICS INC

0.76%

0.20%

Only in BIB

I

IQMMPROSHARES GENIUS MNY MKT ETF

7.57%

?

—Repurchase Agreement

3.50%

R

RPRXROYALTY PHARMA PLC- CL A

1.34%

V

VTRSVIATRIS INC

1.05%

G

GHGUARDANT HEALTH INC

0.95%

A

AGPXXINVESCO GVT & AGNCY-INST

0.90%

J

JAZZJAZZ PHARMACEUTICALS PLC

0.81%

S

SNYSANOFI-ADR

0.60%

A

ABVXABIVAX SA-ADR

0.46%

C

CAICARIS LIFE SCIENCES INC

0.26%

L

LGNDLIGAND PHARMACEUTICALS

0.26%

I

INDVINDIVIOR PHARMACEUTICALS INC

0.25%

A

AMRXAMNEAL PHARMACEUTICALS INC

0.23%

S

SUPNSUPERNUS PHARMACEUTICALS INC

0.15%

D

DFTXDEFINIUM THERAPEUTICS INC

0.13%

K

KODKODIAK SCIENCES INC

0.13%

K

KNSAKINIKSA PHARMACEUTICALS INTE

0.12%

O

OCULOCULAR THERAPEUTIX INC

0.11%

P

PHVSPHARVARIS NV

0.11%

S

SIONSIONNA THERAPEUTICS INC

0.11%

H

HRMYHARMONY BIOSCIENCES HOLDINGS

0.10%

A

ANIPANI PHARMACEUTICALS INC

0.10%

A

ATAIATAIBECKLEY INC

0.09%

I

INVAINNOVIVA INC

0.09%

G

GHRSGH RESEARCH PLC

0.08%

Only in IBB

B

BISXXBCF INSTITUTIONAL-SL AGNCY

11.65%

I

IQVIQVIA HOLDINGS INC

2.81%

M

MTDMETTLER-TOLEDO INTERNATIONAL

2.20%

N

NTRANATERA INC

1.87%

W

WATWATERS CORP

1.56%

T

TECHBIO-TECHNE CORP

0.75%

C

CRLCHARLES RIVER LABORATORIES

0.67%

R

RGENREPLIGEN CORP

0.62%

2

2GHMERUS NV

0.56%

V

VRNAVERONA PHARMA PLC - ADR

0.52%

?

—Avidity Biosciences, Inc.

0.44%

A

ACLXARCELLX INC

0.30%

A

AKROAKERO THERAPEUTICS INC

0.29%

B

BRKRBRUKER CORP

0.29%

A

AM6AMICUS THERAPEUTICS INC

0.21%

1

1JKAPELLIS PHARMACEUTICALS INC

0.21%

?

—89bio, Inc.

0.19%

X

XTSLABLCKRCK CASH-TRSRY-SL AGNCY

0.17%

B

BHVNBIOHAVEN LTD

0.12%

S

STVNSTEVANATO GROUP SPA

0.11%

D

DVAXDYNAVAX TECHNOLOGIES CORP

0.10%

R

RCUSARCUS BIOSCIENCES INC

0.08%

N

NUVBNUVATION BIO INC

0.07%

E

EVOEVOTEC SE - SPON ADR

0.07%

T

TRMLTOURMALINE BIO INC

0.07%

Hold BIB and IBB together? See your combined true holdings, overlap, and blended fees — free, no signup.

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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.