BlackRock Sustainable Total Return Fund
Data updated: 2025-08-28
C000230842 — BlackRock Sustainable Total Return Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Securitized (MBS/ABS/CMBS) Bond · $45.31M AUM · 0.40% expense ratio · 6.2% 1-yr return. From SEC regulatory filings.
C000230842 Fund Overview
BlackRock Sustainable Total Return Fund is a US mutual fund managed by BlackRock Bond Fund, Inc., categorised as Long Securitized (MBS/ABS/CMBS) Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: BlackRock Bond Fund, Inc.
- Category: Long Securitized (MBS/ABS/CMBS) Bond
- Assets under management: $45.31M
- 1-year return: 6.2%
- SEC CIK: 0000276463
- SEC series ID: S000073727
- Share class ID: C000230842
C000230842 Holdings
Top 10 holdings of BlackRock Sustainable Total Return Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Government National Mortgage Association | 9.51% |
| Federal National Mortgage Association or Federal Home Loan Mortgage Corp. | 8.21% |
| Federal Home Loan Mortgage Corp. | 3.36% |
| BlackRock Liquidity Funds | 3.21% |
| Federal National Mortgage Association | 2.92% |
| Federal National Mortgage Association or Federal Home Loan Mortgage Corp. | 2.35% |
| Federal Home Loan Mortgage Corp. | 1.97% |
| Federal National Mortgage Association | 1.74% |
| T-Mobile USA, Inc. | 1.53% |
| General Motors Financial Co., Inc. | 1.29% |
C000230842 Portfolio Allocation
Asset-class allocation of BlackRock Sustainable Total Return Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Securitized | 70.2% |
| Fixed Income | 54.2% |
| Cash & Equivalents | 3.2% |
| Real Estate | 0.2% |
C000230842 Performance
Total returns for C000230842 (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| 1 year | 6.2% |
| 3 years (annualised) | 2.9% |
C000230842 Risk Information
Risk metrics for C000230842, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 5.4%
C000230842 Costs and Fees
C000230842 costs about $40 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.40%
- Gross expense ratio: 1.59%
- Portfolio turnover: 832%
- Brokerage commissions: 2.47 bps of average net assets (SEC N-CEN)
C000230842 Cashflows
Over the 12 months to 2025-06, BlackRock Sustainable Total Return Fund had net inflows of $1.49M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2025-06 | $88.89K |
| 2025-05 | $333.18K |
| 2025-04 | $54.89K |
| 2025-03 | $118.98K |
| 2025-02 | $91.22K |
| 2025-01 | $93.47K |
C000230842 Debt Constituents
Largest debt holdings of BlackRock Sustainable Total Return Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| T-Mobile USA, Inc. | 1.53% |
| General Motors Financial Co., Inc. | 1.29% |
| United States of America | 1.16% |
| United States of America | 1.08% |
| United States of America | 1.02% |
| United States of America | 0.88% |
| United States of America | 0.84% |
| Goldman Sachs Group, Inc. (The) | 0.80% |
| Societe Generale SA | 0.79% |
| Equinix, Inc. | 0.79% |
C000230842 Prospectus and SEC Filings
Official BlackRock Sustainable Total Return Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Long Securitized (MBS/ABS/CMBS) Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.