BBGSX — Bridge Builder Small/Mid Cap Growth Fund
Data updated: 2026-05-22
BBGSX — Bridge Builder Small/Mid Cap Growth Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Mid Cap Growth Equity · $9.23B AUM · 0.34% expense ratio · 14.6% 1-yr return. From SEC regulatory filings.
BBGSX Fund Overview
BBGSX — Bridge Builder Small/Mid Cap Growth Fund is a US mutual fund managed by Bridge Builder Trust, categorised as United States Mid Cap Growth Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Bridge Builder Trust
- Category: United States Mid Cap Growth Equity
- Assets under management: $9.23B
- 1-year return: 14.6%
- Ticker: BBGSX
- SEC CIK: 0001567101
- SEC series ID: S000048336
- Share class ID: C000152651
BBGSX Holdings
Top 10 holdings of Bridge Builder Small/Mid Cap Growth Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| JPMorgan US Govt Mmkt-Im | 3.31% |
| Ascendis Pharma A/s - ADR | 1.36% |
| Rbc Bearings, Inc. | 1.35% |
| Comfort Systems USA, Inc. | 1.25% |
| Insmed, Inc. | 1.17% |
| Argenx SE - ADR | 1.00% |
| Bloom Energy Corp.- A | 0.96% |
| Tradeweb Markets, Inc.-Class A | 0.87% |
| West Pharmaceutical Services | 0.86% |
| Woodward, Inc. | 0.77% |
BBGSX Portfolio Allocation
Asset-class allocation of Bridge Builder Small/Mid Cap Growth Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 98.9% |
| Real Estate | 0.8% |
BBGSX Performance
Total returns for BBGSX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -4.2% |
| 1 year | 14.6% |
| 3 years (annualised) | 10.1% |
| 5 years (annualised) | 2.7% |
BBGSX Risk Information
Risk metrics for BBGSX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 11.8%
BBGSX Costs and Fees
BBGSX costs about $34 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.34%
- Gross expense ratio: 0.66%
- Portfolio turnover: 74%
- Brokerage commissions: 5.87 bps of average net assets (SEC N-CEN)
BBGSX Cashflows
Over the 12 months to 2026-03, Bridge Builder Small/Mid Cap Growth Fund had net inflows of $338.28M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $100.52M |
| 2026-02 | $95.45M |
| 2026-01 | $22.48M |
| 2025-12 | $700.26M |
| 2025-11 | $31.42M |
| 2025-10 | $41.13M |
BBGSX Debt Constituents
No individual debt constituents are reported in Bridge Builder Small/Mid Cap Growth Fund's latest SEC N-PORT filing.
BBGSX Prospectus and SEC Filings
Official Bridge Builder Small/Mid Cap Growth Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Mid Cap Growth Equity 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.