At Green Century Funds, we have been one of the leaders in sustainable investing for nearly 35 years. Through our three-part approach, we offer both institutions and individuals the opportunity to align their investment strategies with their environmental values to make an impact. Learn more about our top-performing sustainable funds.
Green Century Balanced Fund
| Inception Date: 3/18/1992 | Cumulative Returns as of 9/30/25 | Average Annual Total Returns as of 9/30/25 | ||||||||||
| Latest Quarter | Year to Date | One Year | Three Years | Five Years | Ten Years | Since Inception | ||||||
| Green Century Balanced Fund Individual Investor Share Class (GCBLX) | 3.49% | 7.92% | 5.67% | 11.76% | 7.13% | 7.91% | 7.10% | |||||
| Green Century Balanced Fund Institutional Share Class (GCBUX)* | 3.56% | 8.17% | 6.00% | 12.11% | 7.45% | 8.07% | 7.15% | |||||
| Custom Balanced Index [1] | 5.40% | 10.83% | 11.64% | 16.44% | 10.11% | 9.91% | 7.40% | |||||
Balanced Fund Performance is calculated after fees.
*Balanced Fund Institutional shares were offered as of November 28, 2020. The Balanced Fund Institutional Share Class performance for periods prior to November 28, 2020 reflects the performance of the Fund’s Individual Investor Class.
Green Century Equity Fund
| Inception Date: 6/3/1991 | Cumulative Returns as of 9/30/25 | Average Annual Total Returns as of 9/30/25 | ||||||||||
| Latest Quarter | Year to Date | One Year | Three Years | Five Years | Ten Years | Since Inception | ||||||
| Green Century Equity Fund Individual Investor Share Class (GCEQX) | 8.32% | 13.78% | 15.51% | 23.77% | 14.50% | 14.45% | 9.71% | |||||
| Green Century Equity Fund Institutional Share Class (GCEUX)* | 8.41% | 14.04% | 15.87% | 24.15% | 14.85% | 14.71% | 9.78% | |||||
| S&P 500® Index [2] | 8.12% | 14.83% | 17.60% | 24.94% | 16.47% | 15.30% | 10.80% | |||||
Equity Fund Performance is calculated after fees.
*Equity Fund Institutional shares were offered as of April 30, 2018. The Equity Fund Institutional Share Class performance for periods prior to April 30, 2018 reflects the performance of the Equity Fund’s Individual Investor Class.
Green Century MSCI International Index Fund
| Inception Date: 9/30/2016 | Cumulative Returns as of 9/30/25 | Average Annual Total Returns as of 9/30/25 | ||||||||||
| Latest Quarter | Year to Date | One Year | Three Years | Five Years | Ten Years | Since Inception | ||||||
| Green Century MSCI International Index Fund Individual Investor Share Class (GCINX) | 0.77% | 15.07% | 5.23% | 17.69% | 7.09% | N/A | 6.67% | |||||
| Green Century International Index Fund Institutional Share Class (GCIFX) | 0.84% | 15.33% | 5.58% | 18.09% | 7.41% | N/A | 6.98% | |||||
| MSCI World ex USA Index [3] | 5.33% | 25.34% | 16.03% | 21.60% | 11.60% | N/A | 8.55% | |||||
International Index Fund Performance is calculated after fees.
The total annual fund operating expense ratios of the Green Century MSCI International Index Fund, the Green Century Equity Fund and the Green Century Balanced Fund, respectively, are 0.98% and 1.28% (Institutional Share Class and Individual Investor Share Class), 0.90% and 1.20% (Institutional Share Class and Individual Investor Share Class) and 1.16% and 1.46% (Institutional Share Class and Individual Investor Share Class), as of the most recent prospectus.
Daily Fund Prices
Daily Fund Prices as of 12/3/2025
| Fund | N.A.V. | $ Change |
| Green Century Balanced Fund – Individual Investor Share Class (GCBLX) | $37.15 | +$0.09 |
| Green Century Balanced Fund – Institutional Share Class (GCBUX) | $37.33 | +$0.10 |
| Green Century Equity Fund – Individual Investor Share Class (GCEQX) | $105.12 | +$0.49 |
| Green Century Equity Fund – Institutional Investor Share Class (GCEUX) | $104.62 | +$0.48 |
| Green Century MSCI International Index Fund – Individual Investor Share Class (GCINX) | $15.75 | +$0.06 |
| Green Century MSCI International Index Fund – Institutional Investor Share Class (GCIFX) | $15.70 | +$0.06 |
[1] ] The Custom Balanced Index is comprised of a 60% weighting in the S&P Super composite 1500 Index (the S&P 1500® Index) and a 40% weighting in the Bloomberg Intermediate Credit Index). The S&P 1500® Index is an unmanaged index of 1500 selected stocks. The Bloomberg Intermediate Credit Index measures the performance of investment grade, US dollar-denominated, fixed-rate, taxable corporate and government-related debt with less than ten years to maturity. It is composed of a corporate and a non-corporate component that includes non-US agencies, sovereigns, supranationals and local authorities. It is not possible to invest directly in the Custom Balanced Index.
[2] The S&P 500® Index is an unmanaged index of 500 selected common stocks, most of which are listed on the New York Stock Exchange. The S&P 500® Index is heavily weighted toward stocks with large market capitalization and represents approximately two-thirds of the total market value of all domestic stocks. It is not possible to invest directly in the S&P 500® Index.
[3] The MSCI World ex USA Index is a custom index calculated by MSCI Inc. The MSCI World ex USA Index includes large and mid-cap stocks across 22 of 23 Developed Markets (DM) countries and excludes the United States. With 1,023 constituents, the index covers approximately 85% of the free float-adjusted market capitalization in each country. The MSCI World ex USA Index is a free float-adjusted market capitalization index. It is not possible to invest directly in the MSCI World ex USA Index.
The performance data quoted represents past performance, and past performance is not a guarantee of future results. Investment return and principal value of an investment will fluctuate so that an investor’s shares, when redeemed, may be worth more or less than their original cost. Current performance may be lower or higher than the performance information quoted. To obtain performance information current to the most recent month-end, please call 1-800-93-GREEN. Performance includes the reinvestment of income dividends and capital gain distributions, if any. The performance shown does not reflect the deduction of taxes that a shareholder might pay on any Fund distributions or the redemption of Fund shares. A redemption fee of 2.00% may be imposed on redemptions or exchanges of shares you have owned for 60 days or less. Please see the Green Century Funds Prospectus for more information.
The Equity Fund, which commenced operations in September 1995, invested all its assets in the Domini Social Equity Trust (which had the same investment objective as the Fund) until November 28, 2006. The performance for the period prior to the Fund’s inception reflects the performance of the Domini Social Equity Trust adjusted to reflect the Fund’s charges and expenses. As of April 1, 2014, the Equity Fund invests in the common stocks which make up the MSCI KLD 400 Social ex Fossil Fuels Index; prior to April 1, 2014, the Fund invested in the common stocks which made up the MSCI KLD 400 Social Index.
The Green Century International Index Fund seeks to track the MSCI World ex USA SRI ex Fossil Fuels Index. For more information about the MSCI World ex USA SRI ex Fossil Fuels Index.