PUBM vs HPI Comparison

PubMatic Inc is a supply-side platform provider in the digital advertising technology market. These platforms help publishers, which supply digital ad inventory, manage their inventory, selling a high percentage of their inventory (increase the ad fill rate) and maximizing revenue per ad sold (optimize yield). The company generates revenue mainly by taking a piece of the ad sales that it enables. Buyers on the platform include intermediary buyers, such as demand-side platforms, or advertisers and ad agencies directly. Geographically, the company generates the majority of its revenue from the United States, followed by EMEA and APAC.

John Hancock Preferred Income Fund is a closed-end, diversified management investment company. Its primary investment objective is to provide a high-level of current income consistent with preservation of capital. The fund's secondary investment objective is to provide growth of capital to the extent consistent with its primary investment objective. It seeks to achieve its investment objectives by investing in securities that may be undervalued relative to similar securities in the marketplace. The fund's principal investment strategies include investing a majority of its assets in preferred stocks and other preferred securities. Its portfolio composition consists of U.S preferred securities, common stocks, foreign preferred securities, corporate bonds, and short-term investments.