5 Oil and Gas Stocks to Buy According to Mario Gabelli

3. NewMarket Corporation (NYSE:NEU)

Number of Hedge Fund Holders: 45  

NewMarket Corporation (NYSE:NEU) operates in the petroleum additives business. It is one of the top petroleum stocks on Wall Street. At the end of the fourth quarter of 2021, 45 hedge funds in the database of Insider Monkey held stakes worth $1.3 billion in NewMarket Corporation (NYSE:NEU), compared to 48 in the preceding quarter worth $774 million. 

Regulatory filings show that GAMCO Investors owned 15,000 shares of NewMarket Corporation (NYSE:NEU) at the end of December 2021 worth $5.1 million, representing 0.04% of the portfolio.