Sirios Capital Management L P holds a diversified book of 81 stocks worth $824.8M as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened Unifirst Corp and trimmed Ge Vernova Inc. Their largest long position is Ge Vernova Inc at 13% of the equity book.
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curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1104883/holdings"
Use Arkolith to show SIRIOS CAPITAL MANAGEMENT L P's latest holdings, largest changes, and filing provenance.
Top-heavy: diversified book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
100% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Other tracked managers holding the same core names as Sirios Capital Management L P
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| VANGUARD GROUP INC | 80 / 80 | $2.4T |
| BlackRock, Inc. | 80 / 80 | $1.8T |
| VANGUARD CAPITAL MANAGEMENT LLC | 80 / 80 | $1.5T |
| STATE STREET CORP | 80 / 80 | $954.1B |
| JPMORGAN CHASE & CO | 80 / 80 | $414.1B |
| MORGAN STANLEY | 80 / 80 | $399.4B |
| NORTHERN TRUST CORP | 80 / 80 | $240.7B |
| BANK OF AMERICA CORP /DE/ | 80 / 80 | $235.3B |
Ranked by how many of Sirios Capital Management L P's top 80 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Ge Vernova Inc COM | $107.3M | 122.9K | 13.0% | ▼−24% Reduced · −38K sh | |
| 2 | Taiwan Semiconductor Manufac SPONSORED ADS | $37.9M | 112.3K | 4.6% | ▼−30% Reduced · −48K sh | |
| 3 | Amazon Com Inc COM | $35.1M | 168.6K | 4.3% | ▲+26% Added · +34K sh | |
| 4 | Onto Innovation Inc COM | $31.6M | 153.9K | 3.8% | ▲+33% Added · +39K sh | |
| 5 | Globus Med Inc CL A | $30.5M | 354.2K | 3.7% | ▲+0.2% Added · +795 sh | |
| 6 | Alphabet Inc CAP STK CL A | $30.5M | 106.0K | 3.7% | ▲+92% Added · +51K sh | |
| 7 | Dexcom Inc COM | $26.9M | 428.3K | 3.3% | ▼−0.6% Reduced · −3K sh | |
| 8 | Carlyle Group Inc COM | $26.2M | 542.3K | 3.2% | ▲+25% Added · +108K sh | |
| 9 | Wells Fargo & Co COM | $25.9M | 325.2K | 3.1% | ▲+0.3% Added · +830 sh | |
| 10 | Unifirst Corp Mass COM | $24.8M | 98.5K | 3.0% | ▲New New position | |
| 11 | Heico Corp New CL A | $17.5M | 83.0K | 2.1% | ▼−8.5% Reduced · −8K sh | |
| 12 | Advanced Micro Devices Inc COM | $16.8M | 82.7K | 2.0% | ▲+17% Added · +12K sh | |
| 13 | Alcon AG (Nys) COM | $16.5M | 218.9K | 2.0% | ▲+8.7% Added · +17K sh | |
| 14 | Clean Harbors Inc COM | $16.4M | 57.2K | 2.0% | ▼−27% Reduced · −21K sh | |
| 15 | Union Pac Corp COM | $16.3M | 67.2K | 2.0% | ▼−7.0% Reduced · −5K sh | |
| 16 | Boston Scientific Corp COM | $16.2M | 257.9K | 2.0% | ▲+199% Added · +172K sh | |
| 17 | Old Dominion Freight Line In COM | $15.9M | 81.6K | 1.9% | ▼−30% Reduced · −35K sh | |
| 18 | Vistra Corp COM | $14.6M | 96.9K | 1.8% | ▲+102% Added · +49K sh | |
| 19 | Meta Platforms Inc CL A | $13.8M | 24.2K | 1.7% | ▼−31% Reduced · −11K sh | |
| 20 | Global PMTS Inc COM | $13.5M | 201.1K | 1.6% | ▲+0.6% Added · +1K sh | |
| 21 | Waste Connections Ord (Nys) COM | $13.4M | 82.3K | 1.6% | ▲+9.0% Added · +7K sh | |
| 22 | Carrier Global Corporation COM | $13.0M | 231.0K | 1.6% | ▲+2.3% Added · +5K sh | |
| 23 | Analog Devices Inc COM | $12.9M | 40.6K | 1.6% | ▼−11% Reduced · −5K sh | |
| 24 | Eaton Corp PLC SHS | $11.1M | 31.0K | 1.3% | ▲+11% Added · +3K sh | |
| 25 | PNC Finl Svcs Group Inc COM | $11.0M | 53.1K | 1.3% | ▼−29% Reduced · −21K sh | |
| 26 | Nike Inc CL B | $9.8M | 185.8K | 1.2% | ▲14× Added · +173K sh | |
| 27 | MKS Inc. COM | $9.7M | 42.3K | 1.2% | ▲New New position | |
| 28 | Allegro Microsystems Inc COM | $9.4M | 298.4K | 1.1% | ▲New New position | |
| 29 | Rayonier Inc COM | $8.9M | 432.2K | 1.1% | ▲New New position | |
| 30 | Martin Marietta Matls Inc COM | $8.8M | 14.9K | 1.1% | ▲New New position | |
| 31 | Texas Instrs Inc COM | $8.7M | 44.7K | 1.1% | ▼−24% Reduced · −14K sh | |
| 32 | Parker-Hannifin Corp COM | $8.6M | 9.6K | 1.0% | ▲+102% Added · +5K sh | |
| 33 | Roper Technologies Inc COM | $8.5M | 24.0K | 1.0% | ▼−62% Reduced · −39K sh | |
| 34 | Broadcom Inc COM | $8.3M | 26.8K | 1.0% | ▲+63% Added · +10K sh | |
| 35 | Microsoft Corp COM | $8.3M | 22.4K | 1.0% | ▼−64% Reduced · −40K sh | |
| 36 | Eli Lilly & Co COM | $7.4M | 8.1K | 0.9% | ▼−21% Reduced · −2K sh | |
| 37 | Nvidia Corporation COM | $7.2M | 41.3K | 0.9% | ▲+7.9% Added · +3K sh | |
| 38 | Tenet Healthcare Corp COM NEW | $7.1M | 37.6K | 0.9% | ▼−23% Reduced · −11K sh | |
| 39 | Range Res Corp COM | $6.5M | 144.5K | 0.8% | ▲New New position | |
| 40 | Tapestry Inc COM | $6.2M | 43.8K | 0.7% | ▼−5.8% Reduced · −3K sh | |
| 41 | Medtronic PLC SHS | $6.0M | 69.5K | 0.7% | ▲+15% Added · +9K sh | |
| 42 | Concentra Group Holdings Par COMMON STOCK | $5.8M | 272.1K | 0.7% | ▲New New position | |
| 43 | Hca Healthcare Inc COM | $5.7M | 12.0K | 0.7% | ▼−0.3% Reduced · −31 sh | |
| 44 | Doordash Inc CL A | $5.3M | 35.2K | 0.6% | ▼−20% Reduced · −9K sh | |
| 45 | Irhythm Holdings Inc COM | $4.1M | 34.7K | 0.5% | ▲New New position | |
| 46 | Jfrog Ltd ORD SHS | $3.9M | 83.9K | 0.5% | ▲+101% Added · +42K sh | |
| 47 | S&P Global Inc COM | $3.8M | 9.0K | 0.5% | ▲New New position | |
| 48 | Datadog Inc CL A COM | $3.6M | 30.3K | 0.4% | ▲+52% Added · +10K sh | |
| 49 | Bank America Corp COM | $3.3M | 68.4K | 0.4% | ▲+8.0% Added · +5K sh | |
| 50 | Applied Matls Inc COM | $3.3M | 9.6K | 0.4% | ▼−36% Reduced · −5K sh |
As-of date vs the date the SEC received each filing
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.