MMUBX sector allocation breaks down across Utilities (88.6%), Unknown (10.1%), Other (0.9%), Industrials (0.3%), Financials (0.3%). Across 51 holdings, this breakdown reveals the mutual fund's investment focus and diversification.

MMUBX sector exposure is important for understanding concentration risk. With Utilities at 88.6%, the fund has significant sector concentration.

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