BOSOX — Boston Trust Small Cap Fund
Data updated: 2026-08-26
BOSOX — Boston Trust Small Cap Fund. United States Small Cap Blend / Core Equity · $1.06B AUM. Holdings, fees, performance and SEC filings.
BOSOX Fund Overview
BOSOX — Boston Trust Small Cap Fund is a US mutual fund managed by Boston Trust Walden Funds, categorised as United States Small Cap Blend / Core Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Boston Trust Walden Funds
- Category: United States Small Cap Blend / Core Equity
- Assets under management: $1.06B
- 1-year return: 14.4%
- Ticker: BOSOX
- SEC CIK: 0000882748
- SEC series ID: S000009927
- Share class ID: C000027445
BOSOX Holdings
Top 10 holdings of Boston Trust Small Cap Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Watts Water Technologies, Inc. | 2.72% |
| Applied Industrial Technologies, Inc. | 2.47% |
| A10 Networks, Inc. | 2.38% |
| Axcelis Technologies, Inc. | 2.37% |
| Littelfuse, Inc. | 2.37% |
| Plexus Corp. | 2.19% |
| Ufp Technologies, Inc. | 2.18% |
| Cavco Industries, Inc. | 2.00% |
| Globus Medical, Inc. | 1.99% |
| Valmont Industries, Inc. | 1.96% |
BOSOX Portfolio Allocation
Asset-class allocation of Boston Trust Small Cap Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.3% |
| Cash & Equivalents | 0.7% |
BOSOX Performance
Total returns for BOSOX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 14.8% |
| 1 year | 14.4% |
| 3 years (annualised) | 9.5% |
| 5 years (annualised) | 6.5% |
BOSOX Risk Information
Risk metrics for BOSOX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 15.1%
BOSOX Costs and Fees
BOSOX costs about $100 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.00%
- Gross expense ratio: 1.00%
- Portfolio turnover: 27%
- Brokerage commissions: 2.44 bps of average net assets (SEC N-CEN)
BOSOX Cashflows
Over the 12 months to 2026-06, Boston Trust Small Cap Fund had net outflows of $358.97M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$43.37M |
| 2026-05 | −$29.32M |
| 2026-04 | −$26.81M |
| 2026-03 | −$34.25M |
| 2026-02 | −$12.63M |
| 2026-01 | −$54.22M |
BOSOX Debt Constituents
No individual debt constituents are reported in Boston Trust Small Cap Fund's latest SEC N-PORT filing.
BOSOX Prospectus and SEC Filings
Official Boston Trust Small Cap Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-04-27
- Prospectus (485BPOS) — filed 2025-04-25
- Prospectus supplement (497) — filed 2026-05-05
- Portfolio holdings (N-PORT) — filed 2026-08-26
- Portfolio holdings (N-PORT) — filed 2026-05-27
- Portfolio holdings (N-PORT) — filed 2026-02-23
- Annual census (N-CEN) — filed 2026-03-10
- Annual census (N-CEN) — filed 2025-03-11
Related Funds
Other United States Small Cap Blend / Core 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.