Hedge Fund - Sirios Capital Management

Sirios Capital Management is a privately held investment manager based in Boston. The firm offers investment management services to clients, including collective investment vehicles, separately managed accounts, and registered funds.

John Brennan is a Director at Sirios Capital Management. He has previously worked at Sirios Capital Management, MetLife, and Fidelity Investments. John holds an MBA from Stanford University Graduate School of Business (2015-2017).

Sirios Capital Management LP is a hedge fund with 7 clients and discretionary assets under management (AUM) of $765,269,630 (Form ADV from 2024-03-28). Their last reported 13F filing for Q1 2024 included $530,662,553 in managed 13F securities and a top 10 holdings concentration of 42.78%. Sirios Capital Management LP's largest holding is Alcon Inc with 382,329 shares.