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Data as of Oct 28, 2026.

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FBCG vs IBB: Differences, Returns & Fees

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Over the year to Oct 28, 2026, FBCG returned +9.5% to IBB's +37.5%, and IBB charges 0.44% to FBCG's 0.57%.

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Net assets: $7.6bn on Sep 30, 2026 for Fidelity Blue Chip Growth ETF, and $11.0bn on Oct 27, 2026 for iShares Biotechnology ETF.

FBCG on its own →IBB on its own →
At a glance
+9.5%
FBCG total return, 1 year
+37.5%
IBB total return, 1 year
0.57%
FBCG expense ratio
0.44%
IBB expense ratio

Pair scorecard

IBB costs 0.13 points a year less; their one-year returns differ by 28.0 points; IBB is 1.5 times larger.

FBCG vs IBB: Differences, Returns & Fees
MeasureFBCGIBB
Return
Total return, 1 year+9.5%+37.5%
Drawdown
Below its high5.7%, high on Oct 6, 2026
Benchmark
What it tracksNo index, actively managedBiotech
Cost and size
Expense ratio0.57%0.44%
Net assets, as of Sep 30, 2026$7.6bn$11.2bn
Active share vs the S&P 50099%
Holdings
Holdings in common1%
Top ten holdings, share of the fund57.2%50%

Holdings in common uses holdings dated Jul 31, 2026 and Oct 27, 2026. Method

What they share

1%

By the books each fund has filed, FBCG and IBB hold 1% of their money in the same securities at the same weight. Holdings dated Jul 31, 2026 and Oct 27, 2026.

0 half 100%

half

1% in common

Positions both hold · largest shared weight first FBCG IBB
GILEAD SCIENCES INC 0.57% 8.56%
ALNYLAM PHARMACEUTICALS INC 0.14% 2.11%
MODERNA INC 0.09% 5.29%
TRAVERE THERAPEUTICS INC 0.09% 0.32%
ARGENX SE 0.08% 3.42%
INSMED INC 0.08% 1.42%
REVOLUTION MEDICINES INC 0.07% 2.50%
PRAXIS PRECISION MEDICINES INC. 0.07% 0.49%
DEFINIUM THERAPEUTICS INC 0.07% 0.33%
SCHOLAR ROCK HOLDING CORP 0.05% 0.29%
ROIVANT SCIENCES LTD 0.05% 1.33%
KYMERA THERAPEUTICS INC 0.05% 0.61%
Only in one fund ↓
Only in FBCG
NVIDIA CORP 14.90%
APPLE INC 9.31%
ALPHABET INC 9.27%
AMAZON.COM INC 5.86%
MICROSOFT CORP 4.94%
BROADCOM INC 4.38%
ELI LILLY and CO 2.71%
META PLATFORMS INC 2.31%
Only in IBB
AMGEN INC 8.20%
VERTEX PHARMACEUTICALS 7.53%
REGENERON PHARMACEUTICALS 5.64%
NATERA 3.85%
ILLUMINA INC 2.93%
BIOGEN 2.58%
BEONE MEDICINES AG 2.15%
GENMAB SPONSORED ADR 1.72%
Check overlap with more funds →

Side by side

FBCG Fidelity Blue Chip Growth ETF IBB iShares Biotechnology ETF
Where it sits Stock ETF Thematic ETF
Issuer Fidelity iShares
What it is Actively managed Biotech
Total return, 1 year +9.5% +37.5%
Its benchmark over the same days +13.7% (VOO) not measured
Gap to its benchmark −4.2 pts vs VOO not measured
Expense ratio 0.57% 0.44%
Already in the S&P 500 85.3% 40.2%
Holdings 230 245
Net assets, FBCG as of Sep 30, 2026 and IBB as of Oct 27, 2026 $7.6bn $11.0bn

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

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About each fund
FBCG

FBCG is actively managed and tracks no index. Over the year to Oct 28, 2026 it returned +9.5% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.57% a year. By its holdings filed for Jul 31, 2026, 85% of the fund by weight is stocks the S&P 500 also holds, across 230 positions, with the top ten at 57.2%. It sat 5.7% below its high of Oct 6, 2026 on Oct 28, 2026.

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.

Questions people ask

Are FBCG and IBB in the same category?
FBCG is a stock ETF and IBB 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, FBCG or IBB?
In the year to Oct 28, 2026, with distributions reinvested, FBCG returned +9.5% and IBB +37.5%.
Which is cheaper, FBCG or IBB?
IBB is cheaper, by 0.13 percentage points a year. That is about $13 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do FBCG and IBB overlap with the S&P 500?
By their latest filed holdings, 85% of FBCG and 40% of IBB by weight is stocks the S&P 500 already holds.
Other comparisons
FBCG vs XBIAIRR vs FBCGFBCG vs GDXFBCG vs LYTEIBB vs ONEQIBB vs SPYGGARP vs IBBIBB vs MAGS
Where to next
FBCG on its own →IBB on its own →Hold both: look the portfolio through →Rankings →FBCG dividend history →FBCG holdings →IBB dividend history →IBB holdings →Standards and sources →
Sources and dates
FBCG filings on SEC EDGAR ↗
FBCG prospectus with the expense ratio (SEC) ↗
Fidelity website ↗
IBB filings on SEC EDGAR ↗
IBB prospectus with the expense ratio (SEC) ↗
iShares page for IBB ↗

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

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Cite this pageCitation, APA and Markdown

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

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