Q2 2026 13F · SEC CIK 1104883

Sirios Capital Management L P

Hedge fundFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $822.3M
Reported positions: 86
Top holdings a year, 3 yrs: +32.5%
Assets under management: $937.5M

Sirios Capital Management L P is a hedge fund that reported 86 positions worth $822.3M in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Ge Vernova Inc (GEV, 11.9%), Taiwan Semiconductor Manufac (TSM, 6.1%), Amazon Com Inc Com (AMZN, 5.0%). A portfolio copying its top holdings returned 32.5% a year over the last 3 years, against 20.4% for the S&P 500.

Sirios Capital Management L P holdings largest 50 of 86 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Sirios Capital Management L P 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
GEVGe Vernova Inc	11.9%	13.0%	83,279	-32.3%	$97.8M
TSMTaiwan Semiconductor Manufac	6.1%	4.6%	105,244	-6.3%	$50.3M
AMZNAmazon Com Inc Com	5.0%	4.3%	173,360	+2.8%	$41.3M
GOOGLAlphabet Inc	4.5%	3.7%	103,975	-2.0%	$37.2M
DXCMDexcom Inc	3.4%	3.3%	420,418	-1.8%	$28.3M
GMEDGlobus Med Inc	3.4%	3.7%	355,019	+0.2%	$28.1M
WFCWells Fargo Co New	3.2%	3.1%	321,253	-1.2%	$26.5M
AMDAdvanced Micro Devices Inc	3.2%	2.0%	44,860	-45.8%	$26.1M
HEI-AHeico Corp New	2.5%	2.1%	80,503	-3.0%	$20.8M
ONTOOnto Innovation Inc	2.4%	3.8%	52,585	-65.8%	$19.9M
UNPUnion Pac Corp	2.1%	2.0%	64,535	-4.0%	$17.6M
CLHClean Harbors Inc	2.1%	2.0%	58,546	+2.3%	$17.5M
NVDANvidia Corporation Com	2.1%	0.9%	86,282	+108.7%	$17.3M
CARRCarrier Global Corporation	1.9%	1.6%	217,109	-6.0%	$15.9M
SAROStandardaero Inc Com	1.9%	—	512,390	—	$15.3M
VSTVistra Corp Com	1.8%	1.8%	95,623	-1.3%	$15.2M
ALCAlcon AG	1.8%	2.0%	220,615	+0.8%	$14.8M
GPNGlobal Pmts Inc	1.8%	1.6%	198,727	-1.2%	$14.4M
PHParker-Hannifin Corp	1.7%	1.0%	14,692	+52.8%	$14.4M
ODFLOld Dominion Freight Line in	1.7%	1.9%	63,922	-21.7%	$13.8M
WCNWaste Connections Inc	1.6%	1.6%	80,938	-1.7%	$13.5M
PNCPnc Finl Svcs Group Inc	1.6%	1.3%	52,489	-1.1%	$12.9M
NYTNew York Times Co Mtn Be	1.5%	—	180,208	—	$12.6M
BSXBoston Scientific Corp	1.4%	2.0%	272,493	+5.7%	$11.6M
MLMMartin Marietta Matls Inc	1.3%	1.1%	19,056	+27.9%	$11.0M
NKENike Inc Cl B	1.1%	1.2%	228,078	+22.8%	$9.4M
LLYLilly Eli & Co	1.1%	0.9%	7,643	-5.5%	$9.2M
RYNRayonier Inc	1.1%	1.1%	426,630	-1.3%	$9.1M
UNFUnifirst Corp Mass	1.1%	3.0%	32,802	-66.7%	$8.7M
NFLXNetflix Inc Total	1.1%	—	121,116	—	$8.6M
ETNEaton Corp PLC	1.1%	1.3%	20,270	-34.6%	$8.6M
ADIAnalog Devices Inc	1.0%	1.6%	21,301	-47.5%	$8.5M
TXNTexas Instruments Inc	1.0%	1.1%	26,992	-39.7%	$8.0M
EPAMEpam Sys Inc	0.9%	—	92,230	—	$7.3M
CONConcentra Group Holdings Par	0.9%	0.7%	243,531	-10.5%	$7.2M
ACNAccenture PLC Ireland Shs Class A	0.8%	—	55,859	—	$7.0M
MSFTMicrosoft Corp	0.8%	1.0%	17,885	-20.1%	$6.7M
DASHDoordash Inc	0.8%	0.6%	34,747	-1.2%	$6.4M
TPRTapestry Inc	0.8%	0.7%	43,243	-1.2%	$6.3M
MDTMedtronic PLC	0.7%	0.7%	73,119	+5.2%	$5.7M
NTRANatera Inc Com	0.7%	—	20,933	—	$5.7M
AVGOBroadcom Inc	0.7%	1.0%	14,818	-44.8%	$5.6M
RRCRange Res Corp	0.6%	0.8%	143,576	-0.6%	$5.3M
HCAHCA Healthcare Inc	0.6%	0.7%	11,877	-1.3%	$4.6M
MKSIMks Inc.	0.5%	1.2%	9,439	-77.7%	$4.2M
IRTCIrhythm Holdings Inc	0.5%	0.5%	34,455	-0.8%	$4.1M
THCTenet Healthcare Corp	0.5%	0.9%	21,739	-42.3%	$4.1M
BACBank of Amer Corp	0.5%	0.4%	67,627	-1.2%	$3.9M
NMRKNewmark Group Inc	0.5%	—	253,699	—	$3.8M
RNGRingcentral Inc	0.4%	—	93,262	—	$3.6M

What Sirios Capital Management L P bought and sold in Q2 2026, against Q1 2026.

New positions

Q1 2026's filing was too long to tell new positions apart.

Added to

NVDA Nvidia Corporation Com+108.7% shares
PH Parker-Hannifin Corp+52.8% shares
MLM Martin Marietta Matls Inc+27.9% shares
NKE Nike Inc Cl B+22.8% shares
BSX Boston Scientific Corp+5.7% shares
MDT Medtronic PLC+5.2% shares

Reduced

MKSI Mks Inc.-77.7% shares
UNF Unifirst Corp Mass-66.7% shares
ONTO Onto Innovation Inc-65.8% shares
ADI Analog Devices Inc-47.5% shares
AMD Advanced Micro Devices Inc-45.8% shares
AVGO Broadcom Inc-44.8% shares
THC Tenet Healthcare Corp-42.3% shares
TXN Texas Instruments Inc-39.7% shares

Left the top 50

Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

How the holdings did against the S&P 500.

1 year: +42.7% /yr; S&P 500 +20.1%
3 years: +32.5% /yr; S&P 500 +20.4%
5 years: +19.2% /yr; S&P 500 +11.6%

A portfolio of the filer's 20 largest 13F positions, weighted by value and rebuilt each quarter on the day the filing became public. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q2 2026	$822.3M	86
Q1 2026	$824.8M	81
Q4 2025	$803.3M	74
Q3 2025	$768.2M	68
Q2 2025	$689.8M	59
Q1 2025	$560.2M	62
Q4 2024	$557.1M	62
Q3 2024	$565.0M	64
Q2 2024	$574.3M	61
Q1 2024	$530.7M	61
Q4 2023	$490.2M	52
Q3 2023	$528.1M	54

Questions about Sirios Capital Management L P's portfolio

What stocks does Sirios Capital Management L P own?

Sirios Capital Management L P's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 86 positions worth $822.3M. The largest are Ge Vernova Inc (GEV) at 11.9%, Taiwan Semiconductor Manufac (TSM) at 6.1%, Amazon Com Inc Com (AMZN) at 5.0%, Alphabet Inc (GOOGL) at 4.5% and Dexcom Inc (DXCM) at 3.4%.

What did Sirios Capital Management L P buy last quarter?

In Q2 2026, Sirios Capital Management L P added Nvidia Corporation Com (NVDA) (+108.7% shares), Parker-Hannifin Corp (PH) (+52.8% shares) and Martin Marietta Matls Inc (MLM) (+27.9% shares), compared with its Q1 2026 filing.

What did Sirios Capital Management L P sell last quarter?

In Q2 2026, Sirios Capital Management L P cut from its top 50 Carlyle Group Inc (CG), cut from its top 50 Meta Platforms Inc Class A (META), cut from its top 50 Allegro Microsystems Inc (ALGM), cut from its top 50 Roper Technologies Inc Com (ROP), cut from its top 50 Jfrog Ltd (FROG), Mks Inc. (MKSI) (-77.7% shares), Unifirst Corp Mass (UNF) (-66.7% shares) and Onto Innovation Inc (ONTO) (-65.8% shares), compared with its Q1 2026 filing.

How has Sirios Capital Management L P's portfolio performed?

A portfolio copying Sirios Capital Management L P's 20 largest 13F holdings each quarter, from the day each filing was public, returned +32.5% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: +42.7% against +20.1%. Over 5 years: +19.2% a year against +11.6%.

When is Sirios Capital Management L P's next 13F filing due?

13F filings are due 45 days after each quarter ends. Sirios Capital Management L P's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.

How much money does Sirios Capital Management L P manage?

Sirios Capital Management L P reported $937.5M of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $822.3M.