Janus Henderson Group PLC Buys 186,648 Shares of Calumet, Inc. ($CLMT)

Janus Henderson Group PLC increased its stake in Calumet Specialty Products Partners by 596.3% in Q1, acquiring 186,648 shares worth $7.8 million. This follows Calumet's quarterly earnings miss, though revenue grew 3.6% year-over-year.