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SIRIOS CAPITAL MANAGEMENT L P

CIK
1104883
City
BOSTON
State / Country
MA

Top Portfolio Positions

80 positions · $807,244,680 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio Open

Portfolio Trend

25 quarters · across all stocks

Holdings in ONTO

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Shares Held

Position Value (USD)

3 quarters on record
Report Date Value (USD) Shares
2026-03-31 $31,567,450 153,935
2025-12-31 $18,209,940 115,355
2025-09-30 $21,092,192 163,227