Data as of Oct 28, 2026.

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IJR vs XBI: Differences, Returns & Fees

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Over the year to Oct 28, 2026, IJR returned +17.5% to XBI's +41.2%, and IJR charges 0.06% to XBI's 0.35%.

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Net assets on Oct 27, 2026: $104.6bn for iShares Core S&P Small-Cap ETF and $10.3bn for State Street SPDR S&P Biotech ETF.

At a glance
+17.5%
IJR total return, 1 year
+41.2%
XBI total return, 1 year
0.06%
IJR expense ratio
0.35%
XBI expense ratio

Pair scorecard

IJR costs 0.29 points a year less; their one-year returns differ by 23.7 points; IJR is 10.2 times larger.

IJR vs XBI: Differences, Returns & Fees
MeasureIJRXBI
Return
Total return, 1 year+17.5%+41.2%
Drawdown
Below its high6.8%, high on Aug 14, 2026
Below its all-time high8.9%, high on Feb 8, 2021
Benchmark
What it tracksS&P SmallCap 600Biotech
Cost and size
Expense ratio0.06%0.35%
Net assets, as of Oct 27, 2026$104.6bn$10.3bn
Active share vs the S&P 50098%
Holdings
Holdings in common3%
Top ten holdings, share of the fund5.3%18%

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

What they share

3%

By the books each fund has filed, IJR and XBI hold 3% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

0 half 100%

half

3% in common

Positions both hold · largest shared weight first IJR XBI
PROTAGONIST THERAPEUTICS 0.52% 1.42%
TG THERAPEUTICS 0.46% 1.51%
ALKERMES 0.42% 1.43%
PTC THERAPEUTICS 0.29% 1.34%
VERACYTE 0.23% 1.16%
ARCUTIS BIOTHERAPEUTICS 0.21% 0.95%
ACADIA PHARMACEUTICALS 0.15% 0.49%
ADMA BIOLOGICS 0.14% 0.50%
VERICEL 0.13% 0.47%
XENCOR 0.12% 0.39%
SAREPTA THERAPEUTICS 0.11% 0.55%
ARCUS BIOSCIENCES 0.11% 0.37%
Only in one fund ↓
Only in IJR
GLAUKOS 0.61%
PAYCOM SOFTWARE 0.57%
MATCH GROUP INC 0.57%
VIASAT INC 0.55%
SM ENERGY 0.53%
RYMAN HOSPITALITY PROPERTIES REIT 0.51%
JACKSON FINANCIAL CLASS A 0.48%
LIFE TIME GROUP HOLDINGS 0.48%
Only in XBI
MODERNA INC 2.24%
TWIST BIOSCIENCE CORP 1.86%
NATERA INC 1.82%
BIOGEN INC 1.75%
HALOZYME THERAPEUTICS INC 1.75%
UNITED THERAPEUTICS CORP 1.71%
AMGEN INC 1.68%
ABBVIE INC 1.67%
Check overlap with more funds →

Side by side

IJR iShares Core S&P Small-Cap ETF XBI State Street SPDR S&P Biotech ETF
Where it sits Stock ETF Thematic ETF
What it is Tracks the S&P SmallCap 600 Biotech
Total return, 1 year +17.5% +41.2%
Its benchmark over the same days +17.6% (SPSM) not measured
Gap to its benchmark −0.1 pts vs SPSM not measured
Expense ratio 0.06% 0.35%
Already in the S&P 500 0.0% 13.2%
Holdings 642 165
Net assets, as of Oct 27, 2026 $104.6bn $10.3bn

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

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About each fund
IJR

IJR tracks the S&P SmallCap 600. Over the year to Oct 28, 2026 it returned +17.5% with distributions reinvested, against +17.6% for its benchmark, the S&P SmallCap 600. The prospectus expense ratio is 0.06% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 642 positions, with the top ten at 5.3%. It sat 6.8% below its high of Aug 14, 2026 on Oct 28, 2026.

XBI

By weight, 13% of XBI's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 98%. The top ten holdings are 18% of the fund across 165 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned +41.2% with distributions reinvested. It sits 8.9% below its all-time high of Feb 8, 2021.

Questions people ask

Are IJR and XBI in the same category?
IJR is a stock ETF and XBI is a thematic ETF, so they do different jobs. The table compares what both publish: return, cost and holdings.
Which returned more over the last year, IJR or XBI?
In the year to Oct 28, 2026, with distributions reinvested, IJR returned +17.5% and XBI +41.2%.
Which is cheaper, IJR or XBI?
IJR is cheaper, by 0.29 percentage points a year. That is about $29 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do IJR and XBI overlap with the S&P 500?
By their latest filed holdings, 0% of IJR and 13% of XBI by weight is stocks the S&P 500 already holds.
Other comparisons
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ETFIQ, IJR against XBI, data as of Oct 28, 2026. https://etfiq.com/compare/any/ijr-vs-xbi

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