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Title: The Limitations of Index Funds: Why Warren Buffett Isn’t Fully Embracing Them

The Limitations of Index Funds: Why Warren Buffett Isn’t Fully Embracing Them Introduction: Index funds have gained immense popularity in recent years, with even investing guru Warren Buffett acknowledging their benefits. However, despite his endorsement, Buffett’s holding company, Berkshire Hathaway, has only a small portion of its investments allocated to index funds. This raises the […]

Top 10 sustainable fund firms account for 70% of segment’s assets

The Bottom Line:  Investors considering scale in their investment decision making can choose from at least ten firms whose sustainable assets reached almost $230 billion. Top 10 sustainable fund firms:  Assets under management at YE 2022 and June 30, 2023Notes of Explanation: Top 10 firms based on assets as of June 30, 2023; iShares and […]


Research and analysis to keep sustainable investors up to-date on a broad range of topics that include trends and developments in sustainable investing and sustainable finance, regulatory updates, performance results and considerations, investing through index funds and actively managed portfolios, asset allocation updates, expenses, ESG ratings and data, company and product news, green, social and sustainable bonds, green bond funds as well as reporting and disclosure practices, to name just a few.

A continuously updated Funds Directory is also available to investors.  This is intended to become a comprehensive listing of sustainable mutual funds, ETFs and other investment products along with a description of their sustainable investing approaches as set out in fund prospectuses and related regulatory filings.

Getting started

Many questions have surfaced in recent years regarding sustainable and ESG investing.  Here, investors and financial intermediaries will find materials that describe the various approaches to sustainable investing and their implementation.  While sustainable investing approaches vary and they have thus far defied universally accepted definitions, many practitioners agree that they fall into the following broad categories:  Values-based investing, investing via exclusions, impact investing, thematic investments and ESG integration.  In conjunction with each of these approaches, investors may also adopt various issuer engagement procedures and proxy voting practices.  That said, sustainable investing approaches will continue to evolve.

In addition to periodic updates regarding sustainable investing and how this form of investing is evolving, investors and financial intermediaries interested in implementing a sustainable investing approach will also find source materials that cover basic investing themes as well as asset allocation tactics.

Inesting ideas

Thoughts and ideas targeting sustainable investing strategies executed through various registered and non-registered sustainable investment funds and products such as mutual funds, Exchange Traded Funds (ETFs), Exchange Traded Notes (ETNs), closed-end funds, Real Estate Investment Trusts (REITs) and Unit Investment Trusts (UITs). Coverage extends to investment management firms as well as fund groups. 

Independent source for sustainable investment management company research, analysis, opinions and sustainable fund disclosure assessments