Sirios Capital Management portfolio
Concentrated managerInvestment firmPortfolio as of Jun 30, 2026 (Q2 2026) · filed with the SEC on Aug 14, 2026 · data updated on Nov 5, 2026 · Q2 2026 13F (filing) ↗ · all its 13F filings ↗
A 13F shows the portfolio at quarter-end and is filed up to 45 days later: these are not real-time positions and they may have changed.
Sirios Capital Management reported a $822M portfolio of 86 positions to the SEC as of the end of Q2 2026. Its largest positions are GEV, TSM, AMZN. During the quarter it opened StandardAero and Netflix.
Sections with a free account
What changed this quarter
88 positions with a change (14 new, 15 added to, 50 trimmed, 9 sold). 12 are listed here: those of 0.5 points of the portfolio or more (up to 12).
- GE Vernova−32%fewer sharesReduced13.0% → 11.9%
- Onto Innovation−66%fewer sharesReduced3.8% → 2.4%
- Carlyle Group−93%fewer sharesReduced3.2% → 0.2%
- Unifirst−67%fewer sharesReduced3.0% → 1.1%
- Advanced Micro Devices−46%fewer sharesReduced2.0% → 3.2%
- StandardAero+1.9 ppof portfolioNew— → 1.9%
- Meta Platforms−96%fewer sharesReduced1.7% → 0.1%
- New York Times+454%more sharesIncreased0.3% → 1.5%
- MKS−78%fewer sharesReduced1.2% → 0.5%
- Allegro Microsystems−92%fewer sharesReduced1.1% → 0.2%
- NVIDIA+109%more sharesIncreased0.9% → 2.1%
- Netflix+1.0 ppof portfolioNew— → 1.1%
The figure on the right: for positions added to or trimmed, the change in the number of shares (%); for new and sold ones, the points of the portfolio moved (pp). Below, the portfolio weight before → after. Traded weight: what it bought or sold, excluding price effects.
Top holdings
- GE VernovaGEV11.9%
- Taiwan Semiconductor ManufacturingTSM6.1%
- Amazon.comAMZN5.0%
- AlphabetGOOGL4.5%
- DexcomDXCM3.4%
- Globus MedicalGMED3.4%
- Wells FargoWFC3.2%
- Advanced Micro DevicesAMD3.2%
- HeicoHEI/A2.5%
- ONTO InnovationONTO2.4%
- Union PacificUNP2.1%
- Clean HarborsCLH2.1%
- NVIDIANVDA2.1%
- Carrier GlobalCARR1.9%
- StandardAeroSARO1.9%
“Since”: first quarter of the current run, unbroken until today. In the details, prices are the quarter-end prices of the quarters in which it added shares, per the 13F. The manager may have bought at any price within each quarter; the SEC only publishes the value at quarter end.
Portfolio by sector
- ● Industrials 29%
- ● Information Technology 23%
- ● Health Care 16%
- ● Consumer Discretionary 10%
- ● Financials 8%
- ● Communication Services 7%
- ● Utilities 2%
- ● Consumer Staples 2%
- ● Real Estate 2%
- ● Materials 1%
- ● Energy 1%
How its portfolio changed (8 quarters)
Q2 2026: 86
Q2 2026: 46%
Q2 2026: 20.5%
Traded turnover: the weight it bought plus the weight it sold in the quarter, divided by two, excluding price moves. The plain “turnover” in the header does include that effect. With a free account: the full history and sectors over time.
Stakes above 5% (13D/13G)
Companies where this filer reported holding 5% or more of the shares. It is the figure from its latest filing on each one; history since December 2024.
How we classify it
Investment firm, per its Form ADV of Sep 16, 2026 (high confidence).
The data, as reported: SIRIOS CAPITAL MANAGEMENT, L.P. (CRD 160580): 7.B private funds: 3 hedge (gross assets $691M); 5.D assets by client type: pooled vehicles 100% (of $937M)
The type comes from a rule applied to that data. If it looks wrong, tell us.
Similar managers by type and size
Same type of filer and a 13F portfolio value between a third and three times this one. It is not a comparison of what they hold.
- Parsifal Capital ManagementInvestment firm · $817M
- Schwerin Boyle Capital ManagementInvestment firm · $816M
- Tri Locum PartnersInvestment firm · $813M
- Hhlr AdvisorsInvestment firm · $832M
- Think InvestmentsInvestment firm · $811M
- Kora ManagementInvestment firm · $843M