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Data as of Oct 28, 2026.

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Across categories

IBB vs SIVR: Differences, Returns & Fees

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Over the year to Oct 28, 2026, IBB returned +37.5% to SIVR's +15.0%, and SIVR charges 0.30% to IBB's 0.44%.

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Net assets: $11.0bn on Oct 27, 2026 for iShares Biotechnology ETF, and $3.7bn on Oct 28, 2026 for abrdn Physical Silver Shares ETF.

IBB on its own →SIVR on its own →
At a glance
+37.5%
IBB total return, 1 year
+15.0%
SIVR total return, 1 year
0.44%
IBB expense ratio
0.30%
SIVR expense ratio

Pair scorecard

SIVR costs 0.14 points a year less; their one-year returns differ by 22.5 points.

IBB vs SIVR: Differences, Returns & Fees
MeasureIBBSIVR
Return
Total return, 1 year+37.5%+15.0%
Drawdown
Below its high53.5%, high on Jan 28, 2026
Benchmark
What it tracksBiotechSilver
Cost and size
Expense ratio0.44%0.30%
Net assets, IBB as of Oct 27, 2026 and SIVR as of Oct 28, 2026$11.0bn$3.7bn
Active share vs the S&P 50099%
Holdings
Holdings in commonnot published
In the S&P 500, by weight40%
Top ten holdings, share of the fund50%

Method

Side by side

IBB iShares Biotechnology ETF SIVR abrdn Physical Silver Shares ETF
Where it sits Thematic ETF Commodity ETF
Issuer iShares abrdn
What it is Biotech Holds silver
Total return, 1 year +37.5% +15.0%
Its benchmark over the same days not measured +14.9% (SLV)
Gap to its benchmark not measured +0.1 pts vs SLV
Expense ratio 0.44% 0.30%
Holdings 245 not counted
Net assets, IBB as of Oct 27, 2026 and SIVR as of Oct 28, 2026 $11.0bn $3.7bn

IBB and SIVR on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

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About each fund
IBB

By weight, 40% of IBB's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 99%. The top ten holdings are 50% of the fund across 245 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned +37.5% with distributions reinvested.

SIVR

Its expense ratio is 0.30% a year, for the three months to Jun 30, 2026, as its 10-Q states.

SIVR holds silver. Over the year to Oct 28, 2026 it returned +15.0% with distributions reinvested, against +14.9% for its benchmark, the price of silver. It sat 53.5% below its high of Jan 28, 2026 on Oct 28, 2026.

Questions people ask

Are IBB and SIVR in the same category?
IBB is a thematic ETF and SIVR is a commodity ETF, so they do different jobs. The table compares what both publish: return, cost and holdings.
Which returned more over the last year, IBB or SIVR?
In the year to Oct 28, 2026, with distributions reinvested, IBB returned +37.5% and SIVR +15.0%.
Which is cheaper, IBB or SIVR?
SIVR is cheaper, by 0.14 percentage points a year. That is about $14 on $10,000 held for a year. Fees come from each fund's own filings.
Other comparisons
BWET vs IBBIBB vs USOIBB vs SLVGLDM vs IBBSIVR vs XBIPDBC vs SIVRCGBL vs SIVRHGER vs SIVR
Where to next
IBB on its own →SIVR on its own →Hold both: look the portfolio through →Rankings →IBB dividend history →IBB holdings →Standards and sources →
Sources and dates
IBB filings on SEC EDGAR ↗
IBB prospectus with the expense ratio (SEC) ↗
iShares page for IBB ↗
abrdn website ↗

Links are sources, not endorsements. A comparison is not a recommendation.

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ETFIQ, IBB against SIVR, data as of Oct 28, 2026. https://etfiq.com/compare/any/ibb-vs-sivr

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