SIRIOS CAPITAL MANAGEMENT L P — 13F Holdings & Portfolio
CIK 1104883 · latest 13F-HR filed 2026-05-15
SIRIOS CAPITAL MANAGEMENT L P manages $824.8M in 13F-reported U.S. long-equity assets across 81 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are GEV (13.01%), TSM (4.60%), AMZN (4.26%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 17 new positions, exited 10, added to 20, and trimmed 32.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$824.8M
Long-equity book
81
Distinct positions
2026-03-31
Filed 2026-05-15
+17 / −10 / ↑20 / ↓32
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- ONTO INNOVATION INC$13.4M +73.4%
- ALPHABET INC$13.2M +76.0%
- NIKE INC$9.0M +1095.0%
- BOSTON SCIENTIFIC CORP$8.0M +96.9%
- VISTRA CORP$6.8M +87.8%
Top Trims
- MICROSOFT CORP-$21.7M -72.3%
- ROPER TECHNOLOGIES INC-$19.4M -69.6%
- TAIWAN SEMICONDUCTOR MANUFAC-$10.7M -22.0%
- META PLATFORMS INC-$9.4M -40.5%
- GE AEROSPACE-$9.2M -75.2%
New Positions
- UNIFIRST CORP MASS$24.8M
- MKS INC.$9.7M
- ALLEGRO MICROSYSTEMS INC$9.4M
- RAYONIER INC$8.9M
- MARTIN MARIETTA MATLS INC$8.8M
Exited Positions
- EXACT SCIENCES CORP$11.6M
- ABBOTT LABS$11.3M
- POTLATCHDELTIC CORPORATION$8.8M
- T-MOBILE US INC$2.7M
- PAGERDUTY INC$2.1M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | GE VERNOVA INC | GEV | 36828A101 | $107.3M | 13.01% | 122,929 | SH |
| 2 | TAIWAN SEMICONDUCTOR MANUFAC | TSM | 874039100 | $37.9M | 4.60% | 112,264 | SH |
| 3 | AMAZON COM INC | AMZN | 023135106 | $35.1M | 4.26% | 168,608 | SH |
| 4 | ONTO INNOVATION INC | ONTO | 683344105 | $31.6M | 3.83% | 153,935 | SH |
| 5 | GLOBUS MED INC | GMED | 379577208 | $30.5M | 3.70% | 354,168 | SH |
| 6 | ALPHABET INC | GOOGL | 02079K305 | $30.5M | 3.70% | 106,050 | SH |
| 7 | DEXCOM INC | DXCM | 252131107 | $26.9M | 3.26% | 428,342 | SH |
| 8 | CARLYLE GROUP INC | CG | 14316J108 | $26.2M | 3.18% | 542,251 | SH |
| 9 | WELLS FARGO & CO | WFC | 949746101 | $25.9M | 3.14% | 325,242 | SH |
| 10 | UNIFIRST CORP MASS | UNF | 904708104 | $24.8M | 3.01% | 98,544 | SH |
| 11 | HEICO CORP NEW | HEI.A | 422806208 | $17.5M | 2.12% | 83,016 | SH |
| 12 | ADVANCED MICRO DEVICES INC | AMD | 007903107 | $16.8M | 2.04% | 82,735 | SH |
| 13 | ALCON AG (NYS) | ALC | H01301128 | $16.5M | 2.00% | 218,867 | SH |
| 14 | CLEAN HARBORS INC | CLH | 184496107 | $16.4M | 1.99% | 57,213 | SH |
| 15 | UNION PAC CORP | UNP | 907818108 | $16.3M | 1.98% | 67,214 | SH |
| 16 | BOSTON SCIENTIFIC CORP | BSX | 101137107 | $16.2M | 1.96% | 257,907 | SH |
| 17 | OLD DOMINION FREIGHT LINE IN | ODFL | 679580100 | $15.9M | 1.93% | 81,609 | SH |
| 18 | VISTRA CORP | VST | 92840M102 | $14.6M | 1.77% | 96,890 | SH |
| 19 | META PLATFORMS INC | META | 30303M102 | $13.8M | 1.68% | 24,172 | SH |
| 20 | GLOBAL PMTS INC | GPN | 37940X102 | $13.5M | 1.64% | 201,130 | SH |
| 21 | WASTE CONNECTIONS ORD (NYS) | WCN | 94106B101 | $13.4M | 1.62% | 82,346 | SH |
| 22 | CARRIER GLOBAL CORPORATION | CARR | 14448C104 | $13.0M | 1.58% | 231,043 | SH |
| 23 | ANALOG DEVICES INC | ADI | 032654105 | $12.9M | 1.57% | 40,592 | SH |
| 24 | EATON CORP PLC | ETN | G29183103 | $11.1M | 1.34% | 30,998 | SH |
| 25 | PNC FINL SVCS GROUP INC | PNC | 693475105 | $11.0M | 1.34% | 53,070 | SH |
| 26 | NIKE INC | NKE | 654106103 | $9.8M | 1.19% | 185,803 | SH |
| 27 | MKS INC. | MKSI | 55306N104 | $9.7M | 1.18% | 42,347 | SH |
| 28 | ALLEGRO MICROSYSTEMS INC | ALGM | 01749D105 | $9.4M | 1.14% | 298,421 | SH |
| 29 | RAYONIER INC | RYN | 754907103 | $8.9M | 1.08% | 432,239 | SH |
| 30 | MARTIN MARIETTA MATLS INC | MLM | 573284106 | $8.8M | 1.06% | 14,904 | SH |
| 31 | TEXAS INSTRS INC | TXN | 882508104 | $8.7M | 1.05% | 44,744 | SH |
| 32 | PARKER-HANNIFIN CORP | PH | 701094104 | $8.6M | 1.04% | 9,614 | SH |
| 33 | ROPER TECHNOLOGIES INC | ROP | 776696106 | $8.5M | 1.03% | 24,022 | SH |
| 34 | BROADCOM INC | AVGO | 11135F101 | $8.3M | 1.01% | 26,823 | SH |
| 35 | MICROSOFT CORP | MSFT | 594918104 | $8.3M | 1.01% | 22,397 | SH |
| 36 | ELI LILLY & CO | LLY | 532457108 | $7.4M | 0.90% | 8,086 | SH |
| 37 | NVIDIA CORPORATION | NVDA | 67066G104 | $7.2M | 0.87% | 41,336 | SH |
| 38 | TENET HEALTHCARE CORP | THC | 88033G407 | $7.1M | 0.86% | 37,644 | SH |
| 39 | RANGE RES CORP | RRC | 75281A109 | $6.5M | 0.79% | 144,488 | SH |
| 40 | TAPESTRY INC | TPR | 876030107 | $6.2M | 0.75% | 43,750 | SH |
| 41 | MEDTRONIC PLC | MDT | G5960L103 | $6.0M | 0.73% | 69,492 | SH |
| 42 | CONCENTRA GROUP HOLDINGS PAR | CON | 20603L102 | $5.8M | 0.71% | 272,071 | SH |
| 43 | HCA HEALTHCARE INC | HCA | 40412C101 | $5.7M | 0.69% | 12,031 | SH |
| 44 | DOORDASH INC | DASH | 25809K105 | $5.3M | 0.64% | 35,185 | SH |
| 45 | IRHYTHM HOLDINGS INC | IRTC | 450056106 | $4.1M | 0.50% | 34,744 | SH |
| 46 | JFROG LTD | FROG | M6191J100 | $3.9M | 0.48% | 83,881 | SH |
| 47 | S&P GLOBAL INC | SPGI | 78409V104 | $3.8M | 0.46% | 8,990 | SH |
| 48 | DATADOG INC | DDOG | 23804L103 | $3.6M | 0.43% | 30,324 | SH |
| 49 | BANK AMERICA CORP | BAC | 060505104 | $3.3M | 0.40% | 68,448 | SH |
| 50 | APPLIED MATLS INC | AMAT | 038222105 | $3.3M | 0.40% | 9,611 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-15 | $824.8M | 81 | 0001104883-26-000005 |
| 2025-12-31 | 2026-02-13 | $803.3M | 74 | 0001104883-26-000003 |
| 2025-09-30 | 2025-11-14 | $768.2M | 68 | 0001104883-25-000015 |