IBB vs MUB

iShares Biotechnology ETF vs iShares National Muni Bond ETF

Quick take
  • • MUB has the lower expense ratio at 0.05% vs 0.44% for IBB.
  • • MUB pays a higher dividend yield (3.29%).

Side-by-side metrics

MetricIBBMUB
Expense ratio
Annual fee. Lower is better.
0.44%0.05%
Dividend yield
Trailing 12-month yield.
0.16%3.29%
AUM
Assets under management — bigger funds are typically more liquid.
$11.50B$54.41B
YTD return
30.22%0.68%
1-year return
——
3-year return
Annualized.
——
5-year return
Annualized.
——
10-year return
Annualized.
——
Beta (3Y)
Volatility relative to the market. Closer to 1 = market-like.
0.600.90
P/E ratio
25.48—
Last price
$217.75$104.94
Inception
——
Issuer
iSharesiShares

IBB top holdings

Top holdings · IBB
GILDGilead Sciences Inc8.94%
AMGNAmgen Inc8.31%
VRTXVertex Pharmaceuticals Inc7.87%
REGNRegeneron Pharmaceuticals Inc6.24%
MRNAModerna Inc5.49%
NTRANatera Inc3.78%
ARGXargenx SE ADR3.36%
BIIBBiogen Inc2.52%
RVMDRevolution Medicines Inc Ordinary Shares2.50%
ILMNIllumina Inc2.41%
Sector breakdown · IBB
Healthcare100.0%

MUB top holdings

Top holdings · MUB
MCSXXBlackRock Liquidity MuniCash Instl2.08%

About IBB

IBB (iShares Biotechnology ETF) is NASDAQ biotech and pharmaceutical companies. Managed by iShares, the fund carries $11.5B in assets under management, an expense ratio of 0.44%, a dividend yield of 0.16%. Its largest holding is Gilead Sciences Inc (GILD), which represents 8.9% of the portfolio. Healthcare is the fund's largest sector exposure at 100.0%.

About MUB

MUB (iShares National Muni Bond ETF) is US municipal (tax-exempt) bonds. Managed by iShares, the fund carries $54.4B in assets under management, an expense ratio of 0.05%, a dividend yield of 3.29%. Its largest holding is BlackRock Liquidity MuniCash Instl (MCSXX), which represents 2.1% of the portfolio.