MBBA Top Holdings & Constituents
MBBA, offered by iShares, holds 556 reported positions across $152.3M in assets. Its largest holdings are Federal National Mortgage Association or Federal Home Loan Mortgage Corp. (19.36%), Federal National Mortgage Association or Federal Home Loan Mortgage Corp. (14.09%), and Federal National Mortgage Association or Federal Home Loan Mortgage Corp. (14.04%). The 5 biggest positions account for 73.52% of reported assets. The table below lists every reported holding with its portfolio weight and market value in US dollars — open any constituent to research its own performance.
| Position | Weight | Market Value |
|---|---|---|
— Federal National Mortgage Association or Federal Home Loan Mortgage Corp. | 19.36% | $24.14M |
— Federal National Mortgage Association or Federal Home Loan Mortgage Corp. | 14.09% | $17.57M |
— Federal National Mortgage Association or Federal Home Loan Mortgage Corp. | 14.04% | $17.51M |
— Federal National Mortgage Association | 13.77% | $17.18M |
— Federal National Mortgage Association or Federal Home Loan Mortgage Corp. | 12.26% | $15.28M |
Holdings data comes from the latest SEC Form N-PORT-P filing for this fund, covering the reporting period ended Apr 30, 2026. Market values are reported in US dollars, and each weight represents the position's share of reported fund assets. Cash, derivatives, and rounding can mean displayed weights do not total 100%. Funds rebalance and file on a schedule, so this page may not reflect intraday or post-filing changes.