MYI vs ASPN Comparison

BLACKROCK MUNIYIELD QUALITY FUND III, INC. is an investment management company. Its investment objective is to provide shareholders with a high level of current income exempt from U.S. federal income taxes, as is consistent with its investment policies and prudent investment management. The fund invests a majority of its assets in municipal obligations exempt from U.S. federal income taxes (except that the interest may be subject to the U.S. federal alternative minimum tax). Under normal market conditions, the fund invests mainly in long-term municipal obligations that are investment-grade quality or are considered by the adviser to be of comparable quality at the time of investment. It can also invest directly in such securities or synthetically through the use of derivatives.

Aspen Aerogels Inc is an aerogel technology company that designs, develops, and manufactures high-performance aerogel insulation used in the energy industrial and sustainable insulation markets. The company also conducts research and development related to aerogel technology supported by funding from several agencies of the United States of America government and other institutions in the form of research and development contracts. It is engaged in two operating segment Energy Industrial and Thermal Barrier. Geographically, it operates in the U.S. and also has a presence in other International countries. It generates the majority of its revenue from the Energy Industrial segment and the United States market. Some of its products include Pyrogel XTE; Cryogel Z; Spaceloft Subsea; and others.