Janus Henderson Group plc reported its first quarter 2025 results, noting a solid investment performance with 77%, 65%, and 73% of assets under management (AUM) outperforming relevant benchmarks on a three-, five-, and ten-year basis, respectively, as of March 31, 2025. The company's AUM increased to $373 billion, marking a 6% rise year over year. Net inflows for the first quarter reached $2.0 billion, driven by both Intermediary and Institutional segments. The company announced a diluted earnings per share $(EPS)$ of $0.77, with an adjusted diluted EPS of $0.79, reflecting an 11% increase year over year. Operating income for the first quarter stood at $153.6 million. In a significant business development, Janus Henderson entered into a strategic partnership with The Guardian Life Insurance Company of America in April 2025. This partnership involves managing Guardian's $45 billion investment-grade public fixed income asset portfolio, up to $400 million in seed capital, and a collaboration with Park Avenue Securities. The Board of Directors declared a 3% increase in the quarterly dividend to $0.40 per share and approved the authorization of $200 million in buybacks through April 2026.