When it comes to StealthGas, it's more of the same for Glendon Capital Management.

The southern California investment firm spent 2018 buying shares of the Harry Vafias-led LPG carrier owner in dribs and drabs, eventually doubling its position from 2.5 million shares to 5.1 million by year's end.

SEC filings show that Glendon in 2019 has bought 20 more rounds, ranging anywhere from a few hundred shares to just under 500,000, upping its stake to 6.5