William John Sempolinski »

Seagate Technology shares owned by William John Sempolinski

Quarter-by-quarter ownership of Seagate Technology (STX) shares owned by William John Sempolinski from 13F filings

Historical chart of William John Sempolinski investment in Seagate Technology

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All positions including Seagate Technology held by William John Sempolinski consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Seagate Technology by William John Sempolinski

Quarter filed Position value Share count Share price at filing
2026-03-31 $264k 675 391.76

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Vaneck Etf Trust Mrngstr Wde Moat (MOAT)
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Ishares Tr 20 Yr Tr Bd Etf (TLT)

View all positions for William John Sempolinski

Top funds holding Seagate Technology

BlackRock
Vanguard Capital Management
State Street Corporation
FMR
Vanguard Portfolio Management
Jane Street
Invesco
Susquehanna International
WCM Investment Management
Jpmorgan Chase & Co
Citadel Advisors
Geode Capital Management
Morgan Stanley
Capital Research Global Investors
Goldman Sachs Group

View all funds holding Seagate Technology