As disclosed in a public supplement which was filed on June 6, 2026, BlackRock has received board approval to reposition the BlackRock U.S. Mortgage Portfolio (the “Fund”) by changing the Fund’s name to the BlackRock Securitized Income Fund and making related changes to the Fund’s investment strategies, and to subsequently reorganize the Fund into the iShares Securitized Income Active ETF. The repositioning is expected to become effective on or about August 5, 2025 and the reorganization is anticipated to close as of the close of trading on the New York Stock Exchange on January 23, 2026. Please click here to view a supplement which discloses additional detail on the repositioning and conversion.
As disclosed in a public supplement which was filed on June 6, 2026, BlackRock has received board approval to reposition the BlackRock U.S. Mortgage Portfolio (the “Fund”) by changing the Fund’s name to the BlackRock Securitized Income Fund and making related changes to the Fund’s investment strategies, and to subsequently reorganize the Fund into the iShares Securitized Income Active ETF. The repositioning is expected to become effective on or about August 5, 2025 and the reorganization is anticipated to close as of the close of trading on the New York Stock Exchange on January 23, 2026. Please click here to view a supplement which discloses additional detail on the repositioning and conversion.
Overview

Performance
Performance
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Returns
1y | 3y | 5y | 10y | |
---|---|---|---|---|
Total Return (%) | 7.50 | 1.79 | 1.95 | 1.87 |
Return w/ Sales Charge (%) | 3.20 | 0.41 | 1.12 | 1.46 |
Benchmark (%) | 5.39 | 0.55 | -0.69 | 1.11 |
Morningstar Category Avg. (%) | 6.36 | 3.20 | 4.86 | 3.18 |
Morningstar Ranking | 80/369 | 296/340 | 278/284 | 191/198 |
Morningstar Quartile | 2 | 4 | 4 | 4 |
Lipper Category Avg. (%) | 6.35 | 1.35 | 0.85 | 1.12 |
Lipper Ranking | 35/149 | 33/129 | 24/117 | 12/86 |
Lipper Quartile | 1 | 2 | 1 | 1 |
YTD | 1m | 3m | 1y | 3y | 5y | 10y | |
---|---|---|---|---|---|---|---|
Total Return (%) | 2.60 | 0.35 | 2.60 | 7.50 | 5.46 | 10.13 | 20.40 |
Return w/ Sales Charge (%) | -1.50 | -3.66 | -1.50 | 3.20 | 1.25 | 5.73 | 15.58 |
Benchmark (%) | 3.06 | -0.02 | 3.06 | 5.39 | 1.67 | -3.41 | 11.63 |
Morningstar Category Avg. (%) | 1.82 | -0.32 | 1.82 | 6.36 | 9.90 | 26.75 | 36.77 |
Lipper Category Avg. (%) | 2.85 | 0.06 | 2.85 | 6.35 | 4.24 | 5.09 | 12.02 |
2020 | 2021 | 2022 | 2023 | 2024 | |
---|---|---|---|---|---|
Total Return (%) | 5.47 | 2.23 | -13.83 | 6.26 | 5.69 |
Annual w/ Sales Charge (%) | 1.26 | -1.86 | -17.28 | 2.01 | 1.47 |
Benchmark (%) | 3.87 | -1.04 | -11.81 | 5.05 | 1.20 |
Morningstar Category Avg. (%) | 4.84 | 2.49 | -9.85 | 8.13 | 5.96 |
Performance is shown after deduction of ongoing charges. Any entry and exit charges are excluded from the calculation.
Key Facts
Key Facts
Portfolio Characteristics
Portfolio Characteristics
For the latest month-end Distribution Yield, click here.
This information must be preceded or accompanied by a current prospectus. For standardized performance, please see the Performance section above.
Fees
Fees
Gross Expense Ratio | 0.91% |
Net Expense Ratio | 0.70% |
Net Expense Ratio excluding Investment Related Expenses is 0.70%
- Acquired Fund Fees and Expenses 0.00%
- Interest expense 0.00%
Ratings
Ratings
Holdings
Holdings
Name | Weight (%) |
---|---|
UMBS 30YR TBA(REG A) | 8.15 |
FHLMC 30YR UMBS SUPER | 3.99 |
GNMA2 30YR TBA(REG C) | 2.86 |
FNMA 30YR UMBS SUPER | 2.75 |
FHLMC_5330B FA | 1.45 |
Name | Weight (%) |
---|---|
GNMA_22-88D IA | 1.01 |
GNMA_21-97C LI | 0.77 |
HOF_20-2 B1 144A | 0.73 |
FNMA_24-7 IA | 0.68 |
GNMA_21-64V IH | 0.66 |
Name | Market Value | Weight (%) | Shares | Maturity | Coupon (%) |
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Exposure Breakdowns
Exposure Breakdowns
Allocations are subject to change.
Portfolio Managers
Portfolio Managers



