SIRIOS CAPITAL MANAGEMENT L P

CIK 0001104883 · BOSTON, MA · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC source

SIRIOS CAPITAL MANAGEMENT L P reported 86 positions worth $822.3M as of June 30, 2026 (13F filed August 14, 2026). Largest holding: GEV (11.9%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$822.3M
2026 Q2
Positions
86
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
45.8%
Est. Net Flow (Q)
2026 Q2
10 / 86 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1GEVGE VERNOVA INCSH$97.8M11.90%83,279
2TSMTAIWAN SEMICONDUCTOR MANUFACSH$50.3M6.11%105,244
3AMZNAMAZON COM INCSH$41.3M5.03%173,360
4GOOGLALPHABET INCSH$37.2M4.52%103,975
5DXCMDEXCOM INCSH$28.3M3.44%420,418
6GMEDGLOBUS MED INCSH$28.1M3.41%355,019
7WFCWELLS FARGO & COSH$26.5M3.23%321,253
8AMDADVANCED MICRO DEVICES INCSH$26.1M3.17%44,860
9HEI-AHEICO CORP NEWSH$20.8M2.52%80,503
10ONTOONTO INNOVATION INCSH$19.9M2.42%52,585

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Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does SIRIOS CAPITAL MANAGEMENT L P hold as of Q2 2026?

SIRIOS CAPITAL MANAGEMENT L P reported 86 positions worth $822.3M in its Q2 2026 13F filing. Largest positions: GEV (11.9%), TSM (6.1%), AMZN (5.0%), GOOGL (4.5%) and DXCM (3.4%).

What did SIRIOS CAPITAL MANAGEMENT L P buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did SIRIOS CAPITAL MANAGEMENT L P sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.