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Occidental Petroleum Corporation shares owned by Mattson Financial Services

Quarter-by-quarter ownership of Occidental Petroleum Corporation (OXY) shares owned by Mattson Financial Services from 13F filings

Historical chart of Mattson Financial Services investment in Occidental Petroleum Corporation

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All positions including Occidental Petroleum Corporation held by Mattson Financial Services consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Occidental Petroleum Corporation by Mattson Financial Services

Quarter filed Position value Share count Share price at filing
2025-12-31 $204k 4.9k 41.12
2025-09-30 $351k 7.4k 47.25
2025-06-30 $311k 7.4k 42.01

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Top funds holding Occidental Petroleum Corporation

Berkshire Hathaway
Vanguard Group
Dodge & Cox
BlackRock
State Street Corporation
Susquehanna International
Geode Capital Management
H&H International Investment
Dimensional Fund Advisors
Citadel Advisors
UBS Group
Jane Street
Invesco
Northern Trust
Fairfax Financial Holdings

View all funds holding Occidental Petroleum Corporation