C000017865 Performance — BlackRock Ultra-Short Term Bond Portfolio, Class B
Data updated: 2026-08-27
C000017865 returned +1.56% year to date and +3.50% over one year to Jun 2026. Annualised returns are +4.30% over 3 years and +3.20% over 5 years. The fund trailed its Trading - Leveraged category average: $100 invested three years ago grew to $113, against $157 for the category, and to $104 over one year, against $121. Volatility over the past three years was 0.22% a year. In the 12 months to Jun 2026 the fund lost a net $68.8M, and assets reached $700.72M.
C000017865 Growth of $100
What $100 invested in BlackRock Ultra-Short Term Bond Portfolio grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Trading - Leveraged category average over the same months.
| Period | C000017865 | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $104 | $121 |
| 3 years (Jul 2023 – Jun 2026) | $113 | $157 |
| 5 years (Jul 2021 – Jun 2026) | $117 | $144 |
| Since data start (Jul 2019 – Jun 2026) | $118 | $165 |
C000017865 Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +1.56% |
| 1 year | +3.50% |
| 3 years (annualised) | +4.30% |
| 5 years (annualised) | +3.20% |
C000017865 Annual Returns
Calendar-year total returns of BlackRock Ultra-Short Term Bond Portfolio, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +1.56% |
| 2025 | +3.92% |
| 2024 | +4.83% |
| 2023 | +4.79% |
| 2022 | +1.19% |
| 2021 | −0.45% |
| 2020 | +0.20% |
| 2019 (Jul–Dec) | +0.81% |
C000017865 Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +0.3% | +0.2% | +0.2% | +0.3% | +0.3% | +0.3% | — | — | — | — | — | — |
| 2025 | +0.3% | +0.3% | +0.3% | +0.3% | +0.3% | +0.3% | +0.3% | +0.3% | +0.3% | +0.3% | +0.3% | +0.3% |
| 2024 | +0.4% | +0.4% | +0.4% | +0.4% | +0.4% | +0.4% | +0.4% | +0.4% | +0.4% | +0.4% | +0.3% | +0.4% |
| 2023 | +0.4% | +0.3% | +0.3% | +0.4% | +0.4% | +0.4% | +0.4% | +0.4% | +0.4% | +0.4% | +0.4% | +0.4% |
| 2022 | −0.1% | 0.0% | −0.1% | 0.0% | 0.0% | 0.0% | +0.1% | +0.2% | +0.2% | +0.2% | +0.3% | +0.3% |
| 2021 | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | −0.1% | 0.0% | 0.0% | 0.0% | −0.1% | 0.0% | 0.0% |
| 2020 | +0.1% | +0.1% | 0.0% | +0.2% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| 2019 | — | — | — | — | — | — | +0.2% | +0.2% | +0.1% | +0.1% | +0.1% | +0.1% |
C000017865 Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 0.22%
- Best month: +0.45% (Nov 2023)
- Worst month: +0.24% (Mar 2026)
C000017865 Fund Flows
Monthly money in and out of BlackRock Ultra-Short Term Bond Portfolio, from SEC Form N-PORT.
- 12-month net flow: −$68.8M
- 12-month gross sales (incl. reinvestments): $221.6M
- Sales ÷ redemptions: 0.76×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $43.5M | $27.6M | $15.9M |
| May 2026 | $16.3M | $21.7M | −$5.5M |
| Apr 2026 | $25.0M | $36.8M | −$11.8M |
| Mar 2026 | $25.7M | $58.7M | −$33.0M |
| Feb 2026 | $15.1M | $14.5M | $581K |
| Jan 2026 | $11.1M | $14.3M | −$3.2M |
| Dec 2025 | $6.9M | $21.5M | −$14.6M |
| Nov 2025 | $19.1M | $18.8M | $270K |
| Oct 2025 | $17.1M | $22.5M | −$5.3M |
| Sep 2025 | $12.4M | $14.3M | −$1.9M |
| Aug 2025 | $13.2M | $17.9M | −$4.6M |
| Jul 2025 | $16.2M | $21.8M | −$5.6M |
C000017865 Assets Under Management
Net assets of BlackRock Ultra-Short Term Bond Portfolio by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $700.72M |
| 2026-03-31 | $726.56M |
| 2025-12-31 | $756.18M |
| 2025-09-30 | $768.79M |
| 2025-06-30 | $772.97M |
| 2025-03-31 | $775.25M |
| 2024-12-31 | $779.32M |
| 2024-09-30 | $785.11M |
| 2024-06-30 | $798.94M |
| 2024-03-31 | $803.77M |
| 2023-12-31 | $775.79M |
| 2023-09-30 | $789.55M |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.