Hedge Fund - Sirios Capital Management

John Brennan Bio, Returns, AUM, Net Worth

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.

John Brennan
Fund Profile
Filing Period:
Fund Name: Sirios Capital Management
Manager John Brennan
Portfolio Value $768,217,439
Change This QTR +1.11%
Filing Period:
Last update:
No. Security Ticker Shares Value Activity % Port History
1. GEV 176,544 $108,556,906 -3% 14.13%
2. TSM 261,838 $73,128,735 -14% 9.52%
3. WFC 384,031 $32,189,478 -5% 4.19%
4. GMED 514,778 $29,481,336 -1% 3.84%
5. AMZN 133,105 $29,225,865 +18% 3.8%
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