IBB sector allocation breaks down across Health Care (94.9%), Unknown (3.9%), Information Technology (0.9%), Financials (0.5%), Industrials (0.2%). Across 257 holdings, this breakdown reveals the ETF's investment focus and diversification.

IBB sector exposure is important for understanding concentration risk. With Health Care at 94.9%, the fund has significant sector concentration.

IBB geographic allocation shows country exposure. IBB overlap calculator reveals how sector exposure compares with other funds.