BBTBX Performance — Bridge Builder Core Bond Fund
Data updated: 2026-09-11
BBTBX returned +0.76% year to date and +4.03% over one year to Jun 2026. Annualised returns are +4.73% over 3 years and +0.54% over 5 years. Against its Intermediate Core Bond category average the fund came out behind over three years but ahead over one: $100 invested three years ago grew to $115, against $115 for the category, and to $104 over one year, against $104. Volatility over the past three years was 5.55% a year. In the 12 months to Jun 2026 the fund took in a net $6.9B, and assets reached $28.36B.
BBTBX Growth of $100
What $100 invested in Bridge Builder Core Bond Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Intermediate Core Bond category average over the same months.
| Period | BBTBX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $104 | $104 |
| 3 years (Jul 2023 – Jun 2026) | $115 | $115 |
| 5 years (Jul 2021 – Jun 2026) | $103 | $102 |
| Since data start (Jul 2019 – Jun 2026) | $113 | $112 |
BBTBX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +0.76% |
| 1 year | +4.03% |
| 3 years (annualised) | +4.73% |
| 5 years (annualised) | +0.54% |
BBTBX Annual Returns
Calendar-year total returns of Bridge Builder Core Bond Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +0.76% |
| 2025 | +7.52% |
| 2024 | +2.23% |
| 2023 | +6.46% |
| 2022 | −12.87% |
| 2021 | −1.12% |
| 2020 | +8.68% |
| 2019 (Jul–Dec) | +2.62% |
BBTBX 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% | +1.7% | −1.8% | +0.1% | +0.3% | +0.3% | — | — | — | — | — | — |
| 2025 | +0.6% | +2.1% | 0.0% | +0.4% | −0.6% | +1.6% | −0.2% | +1.3% | +1.0% | +0.6% | +0.7% | −0.2% |
| 2024 | 0.0% | −1.3% | +1.0% | −2.5% | +1.8% | +1.0% | +2.4% | +1.5% | +1.3% | −2.5% | +1.1% | −1.5% |
| 2023 | +3.5% | −2.4% | +2.2% | +0.6% | −1.0% | −0.2% | 0.0% | −0.4% | −2.5% | −1.6% | +4.5% | +4.0% |
| 2022 | −1.9% | −1.2% | −2.9% | −3.6% | +0.3% | −1.5% | +2.4% | −2.6% | −4.2% | −1.4% | +3.7% | −0.4% |
| 2021 | −0.5% | −1.4% | −1.2% | +0.9% | +0.4% | +0.9% | +1.0% | −0.1% | −0.9% | 0.0% | +0.3% | −0.3% |
| 2020 | +2.3% | +1.6% | −2.1% | +2.2% | +1.0% | +1.1% | +1.8% | −0.7% | +0.1% | −0.5% | +1.3% | +0.3% |
| 2019 | — | — | — | — | — | — | +0.4% | +2.7% | −0.5% | +0.3% | 0.0% | −0.1% |
BBTBX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 5.55%
- 3-year Sharpe ratio: 0.04 (vs 4.5% risk-free rate)
- Best month: +4.54% (Nov 2023)
- Worst month: −2.51% (Sep 2023)
BBTBX Fund Flows
Monthly money in and out of Bridge Builder Core Bond Fund, from SEC Form N-PORT.
- 12-month net flow: $6.9B
- 12-month gross sales (incl. reinvestments): $11.5B
- Sales ÷ redemptions: 2.49×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $710.0M | $246.1M | $463.9M |
| May 2026 | $705.3M | $220.1M | $485.2M |
| Apr 2026 | $2.4B | $1.2B | $1.2B |
| Mar 2026 | $1.7B | $1.0B | $717.1M |
| Feb 2026 | $605.4M | $222.1M | $383.3M |
| Jan 2026 | $571.9M | $215.9M | $356.0M |
| Dec 2025 | $573.1M | $246.6M | $326.5M |
| Nov 2025 | $749.3M | $362.6M | $386.6M |
| Oct 2025 | $1.0B | $361.7M | $658.7M |
| Sep 2025 | $449.6M | $186.0M | $263.6M |
| Aug 2025 | $430.7M | $174.5M | $256.2M |
| Jul 2025 | $1.6B | $161.8M | $1.4B |
BBTBX Assets Under Management
Net assets of Bridge Builder Core Bond Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $28.36B |
| 2026-03-31 | $26.34B |
| 2025-12-31 | $25.13B |
| 2025-09-30 | $23.78B |
| 2025-06-30 | $21.62B |
| 2025-03-31 | $20.00B |
| 2024-12-31 | $17.98B |
| 2024-09-30 | $18.15B |
| 2024-06-30 | $17.01B |
| 2024-03-31 | $17.39B |
| 2023-12-31 | $17.31B |
| 2023-09-30 | $15.98B |
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.