Data as of Oct 28, 2026.

vsCompare their flowsaskIQ about these two fundsAsk the committee about these two funds
Across categories

IBB vs IJR: Differences, Returns & Fees

Share
Share on XDownload as PDF

Over the year to Oct 28, 2026, IBB returned +37.5% to IJR's +17.5%, and IJR charges 0.06% to IBB's 0.44%.

askIQ about this page

askIQ about IBB and IJR

Net assets on Oct 27, 2026: $11.0bn for iShares Biotechnology ETF and $104.6bn for iShares Core S&P Small-Cap ETF.

At a glance
+37.5%
IBB total return, 1 year
+17.5%
IJR total return, 1 year
0.44%
IBB expense ratio
0.06%
IJR expense ratio

Pair scorecard

IJR costs 0.38 points a year less; their one-year returns differ by 20.0 points; IJR is 9.5 times larger.

IBB vs IJR: Differences, Returns & Fees
MeasureIBBIJR
Return
Total return, 1 year+37.5%+17.5%
Drawdown
Below its high6.8%, high on Aug 14, 2026
Benchmark
What it tracksBiotechS&P SmallCap 600
Cost and size
Expense ratio0.44%0.06%
Net assets, as of Oct 27, 2026$11.0bn$104.6bn
Active share vs the S&P 50099%
Holdings
Holdings in common3%
Top ten holdings, share of the fund50%5.3%

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

What they share

3%

By the books each fund has filed, IBB and IJR 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 IBB IJR
PROTAGONIST THERAPEUTICS 0.60% 0.52%
ALKERMES 0.50% 0.42%
PTC THERAPEUTICS 0.34% 0.29%
VERACYTE 0.28% 0.23%
ARCUTIS BIOTHERAPEUTICS 0.24% 0.21%
ACADIA PHARMACEUTICALS 0.24% 0.15%
ADMA BIOLOGICS 0.17% 0.14%
FORTREA HOLDINGS INC 0.16% 0.13%
VERICEL 0.15% 0.13%
XENCOR 0.15% 0.12%
SAREPTA THERAPEUTICS 0.13% 0.11%
ARCUS BIOSCIENCES 0.11% 0.11%
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 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%
Check overlap with more funds →

Side by side

IBB iShares Biotechnology ETF IJR iShares Core S&P Small-Cap ETF
Where it sits Thematic ETF Stock ETF
What it is Biotech Tracks the S&P SmallCap 600
Total return, 1 year +37.5% +17.5%
Its benchmark over the same days not measured +17.6% (SPSM)
Gap to its benchmark not measured −0.1 pts vs SPSM
Expense ratio 0.44% 0.06%
Already in the S&P 500 40.2% 0.0%
Holdings 245 642
Net assets, as of Oct 27, 2026 $11.0bn $104.6bn

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

Alert

IBB and IJR flows, by email on Sundays.

One-click unsubscribe. See Privacy.

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.

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.

Questions people ask

Are IBB and IJR in the same category?
IBB is a thematic ETF and IJR 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 IJR?
In the year to Oct 28, 2026, with distributions reinvested, IBB returned +37.5% and IJR +17.5%.
Which is cheaper, IBB or IJR?
IJR is cheaper, by 0.38 percentage points a year. That is about $38 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do IBB and IJR overlap with the S&P 500?
By their latest filed holdings, 40% of IBB and 0% of IJR by weight is stocks the S&P 500 already holds.
Other comparisons
Cite this pageCitation, APA and Markdown

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

Open data →

Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.