Peter F. Mathieson »

Allegheny Technologies Incorporated shares owned by Peter F. Mathieson

Quarter-by-quarter ownership of Allegheny Technologies Incorporated (ATI) shares owned by Peter F. Mathieson from 13F filings

Historical chart of Peter F. Mathieson investment in Allegheny Technologies Incorporated

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All positions including Allegheny Technologies Incorporated held by Peter F. Mathieson consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Allegheny Technologies Incorporated by Peter F. Mathieson

Quarter filed Position value Share count Share price at filing
2026-06-30 $266k 1.4k 197.10

More positions owned by Peter F. Mathieson

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Applied Materials (AMAT)
Mastercard Incorporated Cl A (MA)
Republic Services (RSG)
PNC Financial Services (PNC)
Te Connectivity Ord Shs (TEL)
Thermo Fisher Scientific (TMO)
Vistra Energy (VST)
Taiwan Semiconductor Manufac Sponsored Ads (TSM)
Asml Hldg Nv N Y Registry Shs (ASML)
Quanta Services (PWR)
Linde SHS (LIN)
Chevron Corporation (CVX)

View all positions for Peter F. Mathieson

Top funds holding Allegheny Technologies Incorporated

BlackRock
Vanguard Portfolio Management
Vanguard Capital Management
Capital World Investors
State Street Corporation
Capital Research Global Investors
FMR
Capital Research and Management Company - Division 3
Invesco
Geode Capital Management
Qube Research & Technologies
Bank of America Corporation
Norges Bank Investment Management
Jane Street
Morgan Stanley

View all funds holding Allegheny Technologies Incorporated