Are DYNF and IBB in the same category?

DYNF 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, DYNF or IBB?

In the year to Oct 28, 2026, with distributions reinvested, DYNF returned +14.5% and IBB +37.5%.

Which is cheaper, DYNF or IBB?

DYNF is cheaper, by 0.18 percentage points a year. That is about $18 on $10,000 held for a year. Fees come from each fund's prospectus.

How much do DYNF and IBB overlap with the S&P 500?

By their latest filed holdings, 95% of DYNF and 40% of IBB by weight is stocks the S&P 500 already holds.

Data as of Oct 28, 2026.

Across categories

DYNF vs IBB: Differences, Returns & Fees

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Over the year to Oct 28, 2026, DYNF returned +14.5% to IBB's +37.5%, and DYNF charges 0.26% to IBB's 0.44%.

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Net assets on Oct 27, 2026: $42.7bn for iShares U.S. Equity Factor Rotation Active ETF and $11.0bn for iShares Biotechnology ETF.

DYNF on its own →IBB on its own →

At a glance

+14.5%

DYNF total return, 1 year

+37.5%

IBB total return, 1 year

0.26%

DYNF expense ratio

0.44%

IBB expense ratio

Pair scorecard

DYNF costs 0.18 points a year less; their one-year returns differ by 23.0 points; DYNF is 3.9 times larger.

DYNF vs IBB: Differences, Returns & Fees
Measure	DYNF	IBB
Return
Measure	DYNF	IBB
Total return, 1 year	+14.5%	+37.5%
Benchmark
Measure	DYNF	IBB
What it tracks	No index, actively managed	Biotech
Cost and size
Measure	DYNF	IBB
Expense ratio	0.26%	0.44%
Net assets, as of Oct 27, 2026	$42.7bn	$11.0bn
Active share vs the S&P 500		99%
Holdings
Measure	DYNF	IBB
Holdings in common	1%
Top ten holdings, share of the fund	40.7%	50%

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

What they share

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

50%

0 half 100%

half

1% in common

Positions both hold · largest shared weight first DYNF IBB

GILEAD SCIENCES 0.49% 8.56%

REGENERON PHARMACEUTICALS 0.19% 5.64%

UNITED THERAPEUTICS 0.11% 1.71%

NEUROCRINE BIOSCIENCES 0.06% 1.02%

AMGEN INC 0.05% 8.20%

HALOZYME THERAPEUTICS 0.05% 1.01%

VERTEX PHARMACEUTICALS 0.05% 7.53%

BIOGEN 0.04% 2.58%

REVOLUTION MEDICINES 0.04% 2.50%

INSMED 0.03% 1.42%

ILLUMINA INC 0.02% 2.93%

ALNYLAM PHARMACEUTICALS 0.01% 2.11%

Only in one fund ↓

Only in DYNF

NVIDIA 8.15%

APPLE 8.14%

MICROSOFT 4.76%

AMAZON.COM INC 4.12%

JPMORGAN CHASE & CO 3.30%

EXXONMOBIL HOLDINGS CORP 2.99%

BROADCOM INC 2.46%

META PLATFORMS CLASS A 2.34%

Only in IBB

MODERNA 5.29%

NATERA 3.85%

ARGENX SE ADR 3.42%

BEONE MEDICINES AG 2.15%

GENMAB SPONSORED ADR 1.72%

ROIVANT SCIENCES LTD 1.33%

CHARLES RIVER LABORATORIES INTERNA 1.18%

ASCENDIS PHARMA 1.06%

Check overlap with more funds →

Side by side

DYNF iShares U.S. Equity Factor Rotation Active ETF IBB iShares Biotechnology ETF

Where it sits Stock ETF Thematic ETF

Issuer iShares iShares

What it is Actively managed Biotech

Total return, 1 year +14.5% +37.5%

Its benchmark over the same days +13.3% (PBUS) not measured

Gap to its benchmark +1.2 pts vs PBUS not measured

Expense ratio 0.26% 0.44%

Already in the S&P 500 94.8% 40.2%

Holdings 262 245

Net assets, as of Oct 27, 2026 $42.7bn $11.0bn

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

Alert

About each fund

DYNF

DYNF is actively managed and tracks no index. Over the year to Oct 28, 2026 it returned +14.5% with distributions reinvested, against +13.3% for its benchmark, the MSCI USA Index. The prospectus expense ratio is 0.26% a year. By its holdings published by its issuer for Oct 27, 2026, 95% of the fund by weight is stocks the S&P 500 also holds, across 262 positions, with the top ten at 40.7%.

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 DYNF and IBB in the same category?: DYNF 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, DYNF or IBB?: In the year to Oct 28, 2026, with distributions reinvested, DYNF returned +14.5% and IBB +37.5%.
Which is cheaper, DYNF or IBB?: DYNF is cheaper, by 0.18 percentage points a year. That is about $18 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do DYNF and IBB overlap with the S&P 500?: By their latest filed holdings, 95% of DYNF and 40% of IBB by weight is stocks the S&P 500 already holds.

Other comparisons

DYNF vs XBI BITO vs DYNF DYNF vs EWZ DYNF vs EWT IBB vs SPYM GRNY vs IBB IBB vs SCHB DIA vs IBB

Where to next

DYNF on its own →IBB on its own →Hold both: look the portfolio through →Rankings →DYNF dividend history →DYNF holdings →IBB dividend history →IBB holdings →Standards and sources →

Sources and dates

DYNF filings on SEC EDGAR ↗

DYNF prospectus with the expense ratio (SEC) ↗

iShares page for DYNF ↗

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

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