Data as of Oct 28, 2026.

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Across categories

IBB vs XLY: Differences, Returns & Fees

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Over the year to Oct 28, 2026, IBB returned +37.5% to XLY's −3.6%, and XLY charges 0.08% to IBB's 0.44%.

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Net assets on Oct 27, 2026: $11.0bn for iShares Biotechnology ETF and $22.4bn for State Street Consumer Discretionary Select Sector SPDR ETF.

At a glance
+37.5%
IBB total return, 1 year
−3.6%
XLY total return, 1 year
0.44%
IBB expense ratio
0.08%
XLY expense ratio

Pair scorecard

XLY costs 0.36 points a year less; their one-year returns differ by 41.1 points; XLY is 2.0 times larger.

IBB vs XLY: Differences, Returns & Fees
MeasureIBBXLY
Return
Total return, 1 year+37.5%−3.6%
Drawdown
Below its high6.8%, high on Jan 12, 2026
Benchmark
What it tracksBiotechConsumer Discretionary Select Sector Index
Cost and size
Expense ratio0.44%0.08%
Net assets, as of Oct 27, 2026$11.0bn$22.4bn
Active share vs the S&P 50099%
Holdings
Holdings in common0%
Top ten holdings, share of the fund50%68.5%

Holdings in common uses holdings dated Oct 27, 2026. Method

What they share

0%

By the books each fund has filed, IBB and XLY hold 0% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

0 half 100%

half

0% in common

Positions both hold · largest shared weight first IBB XLY
Only in one fund ↓
Only in IBB
GILEAD SCIENCES 8.56%
AMGEN INC 8.20%
VERTEX PHARMACEUTICALS 7.53%
REGENERON PHARMACEUTICALS 5.64%
MODERNA 5.29%
NATERA 3.85%
ARGENX SE ADR 3.42%
ILLUMINA INC 2.93%
Only in XLY
AMAZON.COM INC 22.43%
TESLA INC 19.15%
HOME DEPOT INC 5.30%
MCDONALD S CORP 4.31%
TJX COMPANIES INC 4.07%
STARBUCKS CORP 3.09%
BOOKING HOLDINGS INC 2.97%
LOWE S COS INC 2.92%
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Side by side

IBB iShares Biotechnology ETF XLY State Street Consumer Discretionary Select Sector SPDR ETF
Where it sits Thematic ETF Stock ETF
What it is Biotech Tracks an index of Consumer discretionary
Total return, 1 year +37.5% −3.6%
Its benchmark over the same days not measured +13.6% (SPY)
Gap to its benchmark not measured −17.2 pts vs SPY
Expense ratio 0.44% 0.08%
Already in the S&P 500 40.2% 99.9%
Holdings 245 48
Net assets, as of Oct 27, 2026 $11.0bn $22.4bn

IBB and XLY 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.

XLY

XLY tracks an index of Consumer discretionary. Over the year to Oct 28, 2026 it returned −3.6% with distributions reinvested, against +13.6% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.08% a year. By its holdings published by its issuer for Oct 27, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 48 positions, with the top ten at 68.5%. It sat 6.8% below its high of Jan 12, 2026 on Oct 28, 2026.

Questions people ask

Are IBB and XLY in the same category?
IBB is a thematic ETF and XLY is a stock 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 XLY?
In the year to Oct 28, 2026, with distributions reinvested, IBB returned +37.5% and XLY −3.6%.
Which is cheaper, IBB or XLY?
XLY is cheaper, by 0.36 percentage points a year. That is about $36 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do IBB and XLY overlap with the S&P 500?
By their latest filed holdings, 40% of IBB and 100% of XLY by weight is stocks the S&P 500 already holds.
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ETFIQ, IBB against XLY, data as of Oct 28, 2026. https://etfiq.com/compare/any/ibb-vs-xly

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