BCAIX Performance — Boston Common ESG Impact International Fund, Investor Class
Data updated: 2026-08-24
BCAIX returned +10.35% year to date and +18.36% over one year to Jun 2026. Annualised returns are +12.04% over 3 years and +3.83% over 5 years. Against its International Thematic Equity category average the fund came out behind over three years but ahead over one: $100 invested three years ago grew to $141, against $147 for the category, and to $118 over one year, against $117. Volatility over the past three years was 13.91% a year. In the 12 months to Jun 2026 the fund lost a net $81.2M, and assets reached $263.11M.
BCAIX Growth of $100
What $100 invested in Boston Common ESG Impact International Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the International Thematic Equity category average over the same months.
| Period | BCAIX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $118 | $117 |
| 3 years (Jul 2023 – Jun 2026) | $141 | $147 |
| 5 years (Jul 2021 – Jun 2026) | $121 | $120 |
| Since data start (Jan 2020 – Jun 2026) | $149 | $154 |
BCAIX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +10.35% |
| 1 year | +18.36% |
| 3 years (annualised) | +12.04% |
| 5 years (annualised) | +3.83% |
BCAIX Annual Returns
Calendar-year total returns of Boston Common ESG Impact International Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +10.35% |
| 2025 | +25.18% |
| 2024 | +0.58% |
| 2023 | +11.54% |
| 2022 | −21.86% |
| 2021 | +3.47% |
| 2020 | +18.54% |
BCAIX 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 | +4.1% | +4.8% | −9.0% | +7.7% | +2.6% | +0.5% | — | — | — | — | — | — |
| 2025 | +4.8% | +1.5% | −0.7% | +3.1% | +4.9% | +2.2% | −2.8% | +3.8% | +2.4% | +1.2% | +0.4% | +2.3% |
| 2024 | −2.0% | +2.5% | +1.7% | −3.0% | +5.8% | −0.9% | +3.8% | +3.5% | +0.1% | −5.6% | −0.3% | −4.3% |
| 2023 | +8.7% | −3.6% | +3.2% | +3.1% | −3.8% | +2.6% | +1.4% | −5.3% | −5.1% | −3.6% | +9.1% | +5.7% |
| 2022 | −7.1% | −4.8% | −1.9% | −7.9% | +2.3% | −8.6% | +6.2% | −6.3% | −9.7% | +5.3% | +13.9% | −2.8% |
| 2021 | −1.7% | +0.2% | +1.6% | +1.7% | +3.5% | −1.4% | +0.8% | +3.6% | −4.7% | +3.7% | −5.8% | +2.5% |
| 2020 | −2.0% | −6.0% | −12.4% | +6.5% | +7.2% | +3.5% | +4.1% | +4.4% | −1.1% | −3.0% | +13.4% | +5.1% |
BCAIX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 13.91%
- 3-year Sharpe ratio: 0.54 (vs 4.5% risk-free rate)
- Best month: +9.07% (Nov 2023)
- Worst month: −8.99% (Mar 2026)
BCAIX Fund Flows
Monthly money in and out of Boston Common ESG Impact International Fund, from SEC Form N-PORT.
- 12-month net flow: −$81.2M
- 12-month gross sales (incl. reinvestments): $24.7M
- Sales ÷ redemptions: 0.23×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $1.4M | $10.2M | −$8.8M |
| May 2026 | $208K | $5.4M | −$5.2M |
| Apr 2026 | $298K | $3.8M | −$3.5M |
| Mar 2026 | $1.3M | $16.9M | −$15.7M |
| Feb 2026 | $2.6M | $5.7M | −$3.1M |
| Jan 2026 | $1.3M | $3.3M | −$2.0M |
| Dec 2025 | $10.6M | $23.5M | −$12.9M |
| Nov 2025 | $644K | $3.2M | −$2.5M |
| Oct 2025 | $316K | $17.0M | −$16.6M |
| Sep 2025 | $1.9M | $6.0M | −$4.1M |
| Aug 2025 | $1.8M | $6.8M | −$5.0M |
| Jul 2025 | $2.4M | $4.1M | −$1.7M |
BCAIX Assets Under Management
Net assets of Boston Common ESG Impact International Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $263.11M |
| 2026-03-31 | $253.14M |
| 2025-12-31 | $275.23M |
| 2025-09-30 | $306.62M |
| 2025-06-30 | $307.84M |
| 2025-03-31 | $297.58M |
| 2024-12-31 | $346.55M |
| 2024-09-30 | $422.23M |
| 2024-06-30 | $410.99M |
| 2024-03-31 | $429.57M |
| 2023-12-31 | $469.24M |
| 2023-09-30 | $466.55M |
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.