5 Penny Stocks Most Popular on Reddit and Robinhood

4. Petros Pharmaceuticals, Inc. (NASDAQ:PTPI)

Number of Hedge Fund Holders: 2  

Petros Pharmaceuticals, Inc. (NASDAQ:PTPI) is a pharma company that focuses on the development of products that cater to the health of men. The stock has returned more than 26% to investors in the past four weeks. 

Petros Pharmaceuticals, Inc. (NASDAQ:PTPI) has been a much-discussed stock on Reddit forums in the past few weeks. This has led to increased popularity of the firm on Robinhood as well. The short interest on the stock is 25% and retail investors see it as a short squeeze play.

Among the hedge funds being tracked by Insider Monkey, New York-based investment firm Renaissance Technologies is a leading shareholder in Petros Pharmaceuticals, Inc. (NASDAQ:PTPI) with 54,347 shares worth more than $109,000.