Sirios Capital Management L P
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Sirios Capital Management L P reported 81 stock positions worth $824.8 million. Its top holding was GE Vernova (GEV) at 13.0% of the portfolio, followed by Taiwan Semiconductor-SP ADR (TSM, 4.6%) and Amazon.com (AMZN, 4.3%). Compared with Q4 2025, it opened 17 new positions, sold out of 10, added to 31 and reduced 33. The biggest buy was a new position in Unifirst (UNF) and the biggest sale Microsoft (MSFT, shares −64%).
- Most Recent 13F
- Q2 2026
- Location
- BOSTON, MA
- CIK
- 0001104883
- Portfolio Value
- $824.8M (Q1 2026)
- SEC Filing
- 0001104883-26-000005 ↗ filed May 15, 2026
Holdings Value
Holdings 81 stocks · $824.8M
| GEV GE Vernova Inc. | 13.01% | 122,929 | $107.3M | Reduce -23.5% |
| TSM Taiwan Semiconductor-SP ADR | 4.60% | 112,264 | $37.9M | Reduce -29.9% |
| AMZN Amazon.com Inc. | 4.26% | 168,608 | $35.1M | Add +25.5% |
| ONTO Onto Innovation Inc. | 3.83% | 153,935 | $31.6M | Add +33.4% |
| GMED Globus Medical Inc. Class A | 3.70% | 354,168 | $30.5M | Add +0.2% |
| GOOGL Alphabet Inc. Class A | 3.70% | 106,050 | $30.5M | Add +91.6% |
| DXCM Dexcom Inc. | 3.26% | 428,342 | $26.9M | Reduce -0.6% |
| CG The Carlyle Group Inc. | 3.18% | 542,251 | $26.2M | Add +25.0% |
| WFC Wells Fargo & Co. | 3.14% | 325,242 | $25.9M | Add +0.3% |
| UNF Unifirst Corp. | 3.01% | 98,544 | $24.8M | New |
| HEI.A Heico Corp. Class A | 2.12% | 83,016 | $17.5M | Reduce -8.5% |
| AMD Advanced Micro Devices | 2.04% | 82,735 | $16.8M | Add +17.2% |
| ALC Alcon Inc. filed as ALCON AG | 2.00% | 218,867 | $16.5M | Add +8.7% |
| CLH Clean Harbors Inc. | 1.99% | 57,213 | $16.4M | Reduce -26.6% |
| UNP Union Pacific Corp. | 1.98% | 67,214 | $16.3M | Reduce -7.0% |
| BSX Boston Scientific Corp. | 1.96% | 257,907 | $16.2M | Add +199.2% |
| ODFL Old Dominion Freight Line | 1.93% | 81,609 | $15.9M | Reduce -30.0% |
| VST Vistra Corp. | 1.77% | 96,890 | $14.6M | Add +101.6% |
| META Meta Platforms Inc. Class A | 1.68% | 24,172 | $13.8M | Reduce -31.4% |
| GPN Global Payments Inc. | 1.64% | 201,130 | $13.5M | Add +0.6% |
| WCN Waste Connections Inc. | 1.62% | 82,346 | $13.4M | Add +9.1% |
| CARR Carrier Global Corp. | 1.58% | 231,043 | $13.0M | Add +2.3% |
| ADI Analog Devices Inc. | 1.57% | 40,592 | $12.9M | Reduce -11.3% |
| ETN Eaton Corp. PLC | 1.34% | 30,998 | $11.1M | Add +10.6% |
| PNC PNC Financial Services Group | 1.34% | 53,070 | $11.0M | Reduce -28.8% |
| NKE Nike Inc. Class B | 1.19% | 185,803 | $9.8M | Add +1341.3% |
| MKSI MKS Inc. | 1.18% | 42,347 | $9.7M | New |
| ALGM Allegro Microsystems Inc. | 1.14% | 298,421 | $9.4M | New |
| RYN Rayonier Inc. | 1.08% | 432,239 | $8.9M | New |
| MLM Martin Marietta Materials | 1.06% | 14,904 | $8.8M | New |
| TXN Texas Instruments Inc. | 1.05% | 44,744 | $8.7M | Reduce -23.9% |
| PH Parker Hannifin Corp. | 1.04% | 9,614 | $8.6M | Add +102.1% |
| ROP Roper Technologies Inc. | 1.03% | 24,022 | $8.5M | Reduce -61.7% |
| AVGO Broadcom Inc. | 1.01% | 26,823 | $8.3M | Add +63.3% |
| MSFT Microsoft Corp. | 1.01% | 22,397 | $8.3M | Reduce -63.8% |
| LLY Eli Lilly & Co. | 0.90% | 8,086 | $7.4M | Reduce -21.1% |
| NVDA Nvidia Corp. | 0.87% | 41,336 | $7.2M | Add +7.9% |
| THC Tenet Healthcare Corp. | 0.86% | 37,644 | $7.1M | Reduce -23.3% |
| RRC Range Resources Corp. | 0.79% | 144,488 | $6.5M | New |
| TPR Tapestry Inc. | 0.75% | 43,750 | $6.2M | Reduce -5.8% |
| MDT Medtronic PLC | 0.73% | 69,492 | $6.0M | Add +14.9% |
| CON Concentra Group Holdings Par | 0.71% | 272,071 | $5.8M | New |
| HCA HCA Healthcare Inc. | 0.69% | 12,031 | $5.7M | Reduce -0.3% |
| DASH DoorDash Inc. Class A | 0.64% | 35,185 | $5.3M | Reduce -20.3% |
| IRTC Irhythm Holdings Inc. | 0.50% | 34,744 | $4.1M | New |
| FROG Jfrog Ltd. | 0.48% | 83,881 | $3.9M | Add +101.2% |
| SPGI S&P Global Inc. | 0.46% | 8,990 | $3.8M | New |
| DDOG Datadog Inc. Class A | 0.43% | 30,324 | $3.6M | Add +51.8% |
| BAC Bank of America Corp. filed as BANK AMERICA CORP | 0.40% | 68,448 | $3.3M | Add +8.0% |
| AMAT Applied Materials Inc. | 0.40% | 9,611 | $3.3M | Reduce -36.0% |
| NMRK Newmark Group Inc. Class A | 0.40% | 218,191 | $3.3M | New |
| EPAM Epam Systems Inc. | 0.39% | 23,804 | $3.2M | Add +309.4% |
| ANNX Annexon Inc. | 0.39% | 575,063 | $3.2M | Reduce -19.0% |
| GE General Electric filed as GE AEROSPACE | 0.37% | 10,705 | $3.0M | Reduce -73.1% |
| AAPL Apple Inc. | 0.37% | 11,894 | $3.0M | Add +154.5% |
| RNG Ringcentral Inc. Class A | 0.36% | 80,861 | $3.0M | Reduce -30.7% |
| ACN Accenture PLC Class A | 0.34% | 14,315 | $2.8M | Add +907.4% |
| STZ Constellation Brands Inc. Class A | 0.34% | 18,828 | $2.8M | New |
| HSY The Hershey Co. | 0.34% | 13,458 | $2.8M | Add +74.2% |
| KO The Coca-Cola Co. | 0.34% | 36,618 | $2.8M | New |
| EXTR Extreme Networks Inc. | 0.33% | 182,396 | $2.8M | New |
| WMT Walmart Inc. | 0.33% | 21,972 | $2.7M | Add +35.6% |
| NYT New York Times Co. Class A | 0.33% | 32,508 | $2.7M | New |
| CHD Church & Dwight Co. Inc. | 0.30% | 26,286 | $2.5M | New |
| SGRY Surgery Partners Inc. | 0.29% | 199,054 | $2.4M | Add +288.9% |
| USFD US Foods Holding Corp. | 0.26% | 23,628 | $2.2M | Reduce -27.5% |
| VIAV Viavi Solutions Inc. | 0.25% | 61,920 | $2.1M | Reduce -59.8% |
| MPWR Monolithic Power Systems Inc. | 0.21% | 1,578 | $1.7M | Reduce -36.0% |
| MNST Monster Beverage Corp. | 0.20% | 23,041 | $1.7M | Reduce -24.4% |
| DOCU Docusign Inc. | 0.19% | 33,269 | $1.6M | Reduce -26.2% |
| BURL Burlington Stores Inc. | 0.17% | 4,244 | $1.4M | Add +4.0% |
| NTRA Natera Inc. | 0.16% | 6,687 | $1.3M | Add +4.1% |
| LEVI Levi Strauss & Co. Class A | 0.11% | 49,260 | $911K | Add +4.1% |
| KKR KKR & Co. Inc. | 0.11% | 9,784 | $905K | Reduce -81.9% |
| GIL Gildan Activewear Inc. | 0.09% | 13,959 | $777K | New |
| ULTA Ulta Beauty Inc. | 0.09% | 1,480 | $774K | Reduce -37.0% |
| GAP The Gap Inc. | 0.08% | 28,418 | $688K | New |
| H Hyatt Hotels Corp. Class A | 0.08% | 4,446 | $639K | Reduce -67.5% |
| UBER Uber Technologies Inc. | 0.04% | 4,381 | $315K | Reduce -66.3% |
| WYNN WYNN Resorts Ltd. | 0.04% | 3,098 | $315K | Reduce -68.2% |
| RCL Royal Caribbean Cruises Ltd. | 0.04% | 1,123 | $309K | Reduce -66.9% |
Portfolio Sells Q4 2025 → Q1 2026
| MSFT Microsoft Corp. | Reduce -63.8% | 1.01% | −2.72 |
| ROP Roper Technologies Inc. | Reduce -61.7% | 1.03% | −2.45 |
| TSM Taiwan Semiconductor-SP ADR | Reduce -29.9% | 4.60% | −1.46 |
| EXAS Exact Sciences Corp. | Sold out | 0.00% | −1.45 |
| ABT Abbott Laboratories | Sold out | 0.00% | −1.41 |
| META Meta Platforms Inc. Class A | Reduce -31.4% | 1.68% | −1.22 |
| GE General Electric | Reduce -73.1% | 0.37% | −1.16 |
| PCH Potlatchdeltic Corp. | Sold out | 0.00% | −1.10 |
| KKR KKR & Co. Inc. | Reduce -81.9% | 0.11% | −0.75 |
| HEI.A Heico Corp. Class A | Reduce -8.5% | 2.12% | −0.73 |
| DASH DoorDash Inc. Class A | Reduce -20.3% | 0.64% | −0.60 |
| PNC PNC Financial Services Group | Reduce -28.8% | 1.34% | −0.60 |
| LLY Eli Lilly & Co. | Reduce -21.1% | 0.90% | −0.47 |
| THC Tenet Healthcare Corp. | Reduce -23.3% | 0.86% | −0.35 |
| TMUS T-Mobile US Inc. | Sold out | 0.00% | −0.34 |
| ODFL Old Dominion Freight Line | Reduce -30.0% | 1.93% | −0.34 |
| DXCM Dexcom Inc. | Reduce -0.6% | 3.26% | −0.30 |
| CLH Clean Harbors Inc. | Reduce -26.6% | 1.99% | −0.29 |
| PD Pagerduty Inc. | Sold out | 0.00% | −0.26 |
| TXN Texas Instruments Inc. | Reduce -23.9% | 1.05% | −0.22 |
| SHW The Sherwin-Williams Co. | Sold out | 0.00% | −0.20 |
| H Hyatt Hotels Corp. Class A | Reduce -67.5% | 0.08% | −0.20 |
| DOCU Docusign Inc. | Reduce -26.2% | 0.19% | −0.19 |
| CLS Celestica Inc. | Sold out | 0.00% | −0.12 |
| WYNN WYNN Resorts Ltd. | Reduce -68.2% | 0.04% | −0.11 |
| UNP Union Pacific Corp. | Reduce -7.0% | 1.98% | −0.10 |
| PG The Procter & Gamble Co. | Sold out | 0.00% | −0.10 |
| UBER Uber Technologies Inc. | Reduce -66.3% | 0.04% | −0.09 |
| VIAV Viavi Solutions Inc. | Reduce -59.8% | 0.25% | −0.09 |
| MNST Monster Beverage Corp. | Reduce -24.4% | 0.20% | −0.09 |
| ULTA Ulta Beauty Inc. | Reduce -37.0% | 0.09% | −0.08 |
| AMAT Applied Materials Inc. | Reduce -36.0% | 0.40% | −0.08 |
| RCL Royal Caribbean Cruises Ltd. | Reduce -66.9% | 0.04% | −0.08 |
| CCEP Coca-Cola Europacific Partne | Sold out | 0.00% | −0.08 |
| MPWR Monolithic Power Systems Inc. | Reduce -36.0% | 0.21% | −0.07 |
| GEV GE Vernova Inc. | Reduce -23.5% | 13.01% | −0.06 |
| ANNX Annexon Inc. | Reduce -19.0% | 0.39% | −0.06 |
| RNG Ringcentral Inc. Class A | Reduce -30.7% | 0.36% | −0.06 |
| USFD US Foods Holding Corp. | Reduce -27.5% | 0.26% | −0.04 |
| PATH Uipath Inc. Class A | Sold out | 0.00% | −0.04 |
| HCA HCA Healthcare Inc. | Reduce -0.3% | 0.69% | −0.01 |
| TPR Tapestry Inc. | Reduce -5.8% | 0.75% | +0.01 |
| ADI Analog Devices Inc. | Reduce -11.3% | 1.57% | +0.02 |
Portfolio Buys Q4 2025 → Q1 2026
| UNF Unifirst Corp. | New | 3.01% | +3.01 |
| ONTO Onto Innovation Inc. | Add +33.4% | 3.83% | +1.56 |
| GOOGL Alphabet Inc. Class A | Add +91.6% | 3.70% | +1.54 |
| MKSI MKS Inc. | New | 1.18% | +1.18 |
| ALGM Allegro Microsystems Inc. | New | 1.14% | +1.14 |
| NKE Nike Inc. Class B | Add +1341.3% | 1.19% | +1.09 |
| RYN Rayonier Inc. | New | 1.08% | +1.08 |
| MLM Martin Marietta Materials | New | 1.06% | +1.06 |
| BSX Boston Scientific Corp. | Add +199.2% | 1.96% | +0.94 |
| VST Vistra Corp. | Add +101.6% | 1.77% | +0.80 |
| RRC Range Resources Corp. | New | 0.79% | +0.79 |
| CON Concentra Group Holdings Par | New | 0.71% | +0.71 |
| PH Parker Hannifin Corp. | Add +102.1% | 1.04% | +0.52 |
| IRTC Irhythm Holdings Inc. | New | 0.50% | +0.50 |
| SPGI S&P Global Inc. | New | 0.46% | +0.46 |
| AMZN Amazon.com Inc. | Add +25.5% | 4.26% | +0.40 |
| NMRK Newmark Group Inc. Class A | New | 0.40% | +0.40 |
| STZ Constellation Brands Inc. Class A | New | 0.34% | +0.34 |
| KO The Coca-Cola Co. | New | 0.34% | +0.34 |
| EXTR Extreme Networks Inc. | New | 0.33% | +0.33 |
| NYT New York Times Co. Class A | New | 0.33% | +0.33 |
| AVGO Broadcom Inc. | Add +63.3% | 1.01% | +0.30 |
| CHD Church & Dwight Co. Inc. | New | 0.30% | +0.30 |
| ACN Accenture PLC Class A | Add +907.4% | 0.34% | +0.30 |
| EPAM Epam Systems Inc. | Add +309.4% | 0.39% | +0.24 |
| ETN Eaton Corp. PLC | Add +10.6% | 1.34% | +0.23 |
| AAPL Apple Inc. | Add +154.5% | 0.37% | +0.21 |
| SGRY Surgery Partners Inc. | Add +288.9% | 0.29% | +0.19 |
| HSY The Hershey Co. | Add +74.2% | 0.34% | +0.16 |
| AMD Advanced Micro Devices | Add +17.2% | 2.04% | +0.16 |
| FROG Jfrog Ltd. | Add +101.2% | 0.48% | +0.15 |
| WMT Walmart Inc. | Add +35.6% | 0.33% | +0.11 |
| DDOG Datadog Inc. Class A | Add +51.8% | 0.43% | +0.10 |
| GIL Gildan Activewear Inc. | New | 0.09% | +0.09 |
| CARR Carrier Global Corp. | Add +2.3% | 1.58% | +0.09 |
| GAP The Gap Inc. | New | 0.08% | +0.08 |
| ALC Alcon Inc. | Add +8.7% | 2.00% | +0.02 |
| BURL Burlington Stores Inc. | Add +4.0% | 0.17% | +0.02 |
| MDT Medtronic PLC | Add +14.9% | 0.73% | +0.01 |
| CG The Carlyle Group Inc. | Add +25.0% | 3.18% | −0.01 |
| LEVI Levi Strauss & Co. Class A | Add +4.1% | 0.11% | −0.01 |
| NVDA Nvidia Corp. | Add +7.9% | 0.87% | −0.02 |
| NTRA Natera Inc. | Add +4.1% | 0.16% | −0.02 |
| WCN Waste Connections Inc. | Add +9.1% | 1.62% | −0.03 |
| BAC Bank of America Corp. | Add +8.0% | 0.40% | −0.03 |
| GMED Globus Medical Inc. Class A | Add +0.2% | 3.70% | −0.14 |
| GPN Global Payments Inc. | Add +0.6% | 1.64% | −0.28 |
| WFC Wells Fargo & Co. | Add +0.3% | 3.14% | −0.62 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 86 | $822.3M | GEV, TSM, AMZN, GOOGL, DXCM |
| Q1 2026 | 81 | $824.8M | GEV, TSM, AMZN, ONTO, GMED |
| Q4 2025 | 74 | $803.3M | GEV, TSM, AMZN, GMED, WFC |
| Q3 2025 | 68 | $768.2M | GEV, TSM, WFC, GMED, AMZN |
| Q2 2025 | 59 | $689.8M | GEV, TSM, ALC, WFC, GMED |
| Q1 2025 | 62 | $560.2M | GEV, TSM, ALC, GMED, ROP |
| Q4 2024 | 62 | $557.1M | GEV, TSM, AMZN, GMED, ALC |
| Q3 2024 | 64 | $565.0M | GEV, TSM, ALC, AMZN, GMED |
| Q2 2024 | 61 | $574.3M | ALC, TSM, GEV, GMED, GE |
| Q1 2024 | 61 | $530.7M | ALC, GE, HEI.A, ROP, TSM |