S
SIRIOS CAPITAL MANAGEMENT L P
Hedge Fund • Long/Short
SIRIOS CAPITAL MANAGEMENT L P is a Long/Short Hedge Fund based in Boston, MA led by John Francis Brennan, reporting $892.5M in AUM as of Q3 2025 with 52% concentrated in top 10 holdings.
Managing PartnerJohn Francis Brennan
- Portfolio Value
- $768.2M
- Positions
- 68
- Top Holding
- GEV at 14.13%
- Last Reported
- Q3 2025
Top Holdings
Largest long holdings in SIRIOS CAPITAL MANAGEMENT L P's portfolio (52.4% of total portfolio)
GthenH
| Holding | Sector | Position | Weight | Traded | Ownership |
|---|---|---|---|---|---|
Renewable Utilities Utilities | $108.6M | 14.13% | -$2.2M Sold | 0.06% 176.5K shares | |
Semiconductors Technology | $73.1M | 9.52% | -$11.1M Sold | — 261.8K shares | |
Banks - Diversified Financial Services | $32.2M | 4.19% | -$1.4M Sold | 0.01% 384.0K shares | |
Medical - Devices Healthcare | $29.5M | 3.84% | -$49.5K Sold | 0.38% 514.8K shares | |
Specialty Retail Consumer Cyclical | $29.2M | 3.80% | +$4.4M Bought | 0.00% 133.1K shares | |
Medical - Instruments & Supplies Healthcare | $28.9M | 3.76% | +$1.2M Bought | 0.08% 387.2K shares | |
Industrial - Machinery Industrials | $28.6M | 3.72% | +$3.9M Bought | 0.05% 57.4K shares | |
Asset Management Financial Services | $26.1M | 3.40% | -$2.8M Sold | 0.12% 416.1K shares | |
Aerospace & Defense Industrials | $23.4M | 3.04% | -$679.9K Sold | 0.07% 92.0K shares | |
Medical - Devices Healthcare | $22.9M | 2.98% | +$9.8M Bought | 0.09% 340.2K shares |
Changes
Portfolio activity, position movements, and quarter-over-quarter changes in SIRIOS CAPITAL MANAGEMENT L P's latest filing
GthenC
Market Value
Q/Q Change
Net Flows % of MV
Turnover Ratio
New Purchases
Added To
Sold Out Of
Reduced Holdings
Increased Positions
| Position | Shares Δ |
|---|---|
New | |
New | |
New | |
New | |
New |
Decreased Positions
| Position | Shares Δ |
|---|---|
Sold | |
Sold | |
Sold | |
Sold | |
Sold |
Analytics
Portfolio insights and performance metrics for SIRIOS CAPITAL MANAGEMENT L P
GthenA