Green Century Capital Management, Inc. has submitted a 13F Notice, providing an overview of its investment activities as of September 30, 2026. This filing is significant as it reflects the company's ongoing commitment to transparency and accountability in its investment strategies.

Green Century Capital Management, based in Boston, Massachusetts, focuses on sustainable and responsible investment practices. The firm operates under the Central Index Key (CIK) 0001491252. The recent filing, dated November 5, 2026, is part of a series of 13F filings that the company has made over the years, indicating its active participation in the investment management industry.

The filing states that it is a 13F Notice, which typically includes information about the company's holdings and investment strategies. However, specific details regarding changes in holdings or significant movements were not disclosed in this filing.

This update may affect various stakeholders, including investors, analysts, and competitors within the investment management industry. By maintaining transparency, Green Century Capital Management sets a precedent for other firms in the sector to follow.

The filing does not say what happens next, leaving the future actions of Green Century Capital Management open to speculation.

Company Overview

Green Century Capital Management, Inc. operates under the Central Index Key (CIK) 0001491252 and is incorporated in Massachusetts. The firm has a fiscal year that ends on June 30, and its business address is 22 Batterymarch Street, Suite 5A, Boston, MA 02109. The company emphasizes sustainable investment practices, reflecting its commitment to socially responsible investing.

Filing Details

The 13F Notice was filed as of November 5, 2026, and pertains to the reporting period ending September 30, 2026. This filing is categorized under the SEC Act of 1934 and is part of the SEC file number 028-24809. Notably, the filing indicates that it is not an amendment, suggesting that this is the first submission for this reporting period.

Matthew Dunlap, the Treasurer of Green Century Capital Management, signed the filing, affirming the accuracy of the information presented. His contact number is 781-349-2573.

Other Managers

The filing also mentions another manager, Northern Trust Investments, Inc., which has its own SEC file number (801-33358) and a form 13F file number (028-10487). This indicates that Green Century Capital Management may collaborate or share information with other investment managers in the industry.

Future Considerations

While the filing provides essential details regarding the company's structure and recent activities, it does not include specific information about the company's investment holdings or any strategic changes that may have occurred during the reporting period. Stakeholders may be left wanting more insight into the firm's current portfolio and future plans.