Compare ETFs

Compare holdings, allocations, classifications, and performance.

Showing cached reports.

IBB: generated Jul 31, 2026, 10:50 AM (as of 2026-07-30); PREF: generated Jul 31, 2026, 7:04 AM (as of 2026-03-31).

Signed out: the comparison includes up to 10 holdings per ETF. Sign in to compare more holdings.

IBB vs PREF

Current snapshot · Historical snapshot

Portfolio statistics

IBB

Largest holding: AMGN · 8.419%
Top 10 concentration: 45.52%
Gross exposure: 45.52%
Net exposure: 45.52%

PREF

Largest holding: BAC · 4.462%
Top 10 concentration: 20.46%
Gross exposure: 20.46%
Net exposure: 20.46%

Holdings overlap

Based on returned holdings.

ETF A

IBB

Snapshot: 2026-07-30
Returned holdings: 10
Largest position: AMGN · 8.419%

0.000%weighted overlap

ETF B

PREF

Snapshot: 2026-03-31
Returned holdings: 10
Largest position: BAC · 4.462%

Holdings universe18 distinct mapped tickers in the returned rows

0 shared

Only IBB 10Shared 0Only PREF 8

Largest allocation differences

AMGNAMGEN INC8.419% gap

8.419%0.000%

VRTXVERTEX PHARMACEUTICALS INC7.872% gap

7.872%0.000%

GILDGILEAD SCIENCES INC7.143% gap

7.143%0.000%

REGNREGENERON PHARMACEUTICALS INC5.837% gap

5.837%0.000%

BACBANK OF AMERICA CORP4.462% gap

0.000%4.462%

ARGXARGENX SE ADR3.552% gap

3.552%0.000%

METMETLIFE INC2.910% gap

0.000%2.910%

NTRANATERA INC2.885% gap

2.885%0.000%

Portfolio composition

Based on classified holdings in the returned results.

No classification data available.

Valuation multiples

Weighted valuation multiples by ETF
Weighted multiple	IBB	PREF
P/E	N/A0/10 valued	N/A0/10 valued
P/B	N/A0/10 valued	N/A0/10 valued
P/S	N/A0/10 valued	N/A0/10 valued

No valuation data available for these holdings.

Holdings details

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Shared holdings

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No holdings in this group.