BTBFX — Boston Trust Asset Management Fund
Data updated: 2026-08-26
BTBFX — Boston Trust Asset Management Fund. United States Large Cap Blend / Core Equity · $513.79M AUM. Holdings, fees, performance and SEC filings.
BTBFX Fund Overview
BTBFX — Boston Trust Asset Management Fund is a US mutual fund managed by Boston Trust Walden Funds, categorised as United States Large 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 Large Cap Blend / Core Equity
- Assets under management: $513.79M
- 1-year return: 7.2%
- Ticker: BTBFX
- SEC CIK: 0000882748
- SEC series ID: S000009921
- Share class ID: C000027439
BTBFX Holdings
Top 10 holdings of Boston Trust Asset Management Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Apple, Inc. | 6.76% |
| Microsoft Corp. | 5.45% |
| Alphabet, Inc. | 5.19% |
| Jp Morgan Chase & Company | 4.46% |
| NVIDIA Corp. | 3.50% |
| Visa, Inc. | 3.17% |
| United States Of America - Bureau Of The Public Debt | 3.00% |
| United States Of America - Bureau Of The Public Debt | 2.65% |
| Alphabet, Inc. | 2.61% |
| Johnson & Johnson | 2.47% |
BTBFX Portfolio Allocation
Asset-class allocation of Boston Trust Asset Management Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 76.9% |
| Fixed Income | 20.8% |
| Cash & Equivalents | 2.1% |
BTBFX Performance
Total returns for BTBFX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.7% |
| 1 year | 7.2% |
| 3 years (annualised) | 8.4% |
| 5 years (annualised) | 5.5% |
BTBFX Risk Information
Risk metrics for BTBFX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 7.6%
BTBFX Costs and Fees
BTBFX costs about $78 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.78%
- Gross expense ratio: 0.78%
- Portfolio turnover: 11%
- Brokerage commissions: 0.32 bps of average net assets (SEC N-CEN)
BTBFX Cashflows
Over the 12 months to 2026-06, Boston Trust Asset Management Fund had net outflows of $21.34M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$2.37M |
| 2026-05 | −$6.75M |
| 2026-04 | −$2.40M |
| 2026-03 | −$5.85M |
| 2026-02 | −$2.22M |
| 2026-01 | −$3.48M |
BTBFX Debt Constituents
Largest debt holdings of Boston Trust Asset Management Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Of America - Bureau Of The Public Debt | 3.00% |
| United States Of America - Bureau Of The Public Debt | 2.65% |
| United States Of America - Bureau Of The Public Debt | 1.47% |
| United States Of America - Bureau Of The Public Debt | 1.34% |
| United States Of America - Bureau Of The Public Debt | 1.23% |
| United States Of America - Bureau Of The Public Debt | 1.23% |
| United States Of America - Bureau Of The Public Debt | 1.12% |
| United States Of America - Bureau Of The Public Debt | 1.10% |
| United States Of America - Bureau Of The Public Debt | 0.68% |
| United States Of America - Bureau Of The Public Debt | 0.60% |
BTBFX Prospectus and SEC Filings
Official Boston Trust Asset Management 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 Large 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.