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Ownership Diff · GRBK vs OXY
GRBK vs OXY
Green Brick Partners · Occidental Petroleum
Superinvestor ownership overlap, unique holders, and conviction comparison.
GRBK
Green Brick Partners
Real Estate
ConvictionScore+13
SignalSlight accumulation
Tracked owners2
OXY
Occidental Petroleum
Energy
ConvictionScore+22
SignalSlight accumulation
Tracked owners3
Ownership fingerprint
Who holds GRBK only, who holds OXY only, and who holds both.
■ GRBK only (2)■ Both (0)■ OXY only (3)
GRBK only
OXY only
Only GRBK · 2
- David Einhorn28.7%
- Howard Marks9.4%
Both · 0
No manager holds both GRBK and OXY.
Only OXY · 3
- Prem Watsa13.5%
- Warren Buffett4.9%
- Carl Icahn4.8%
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Remove with Pro →Frequently asked questions
Which has more hedge-fund owners: GRBK or OXY?
GRBK (Green Brick Partners) is held by 2 tracked superinvestors; OXY (Occidental Petroleum) is held by 3. OXY has 1 more tracked holder. Full ranking by % of portfolio in the table below.
What managers hold both GRBK and OXY?
0 tracked superinvestors hold both GRBK and OXY based on the latest SEC 13F filings. Full overlap table below.
What is the overlap between GRBK and OXY institutional ownership?
Across 5 unique tracked holders: 2 hold only GRBK (40%), 0 hold both (0%), 3 hold only OXY (60%). The full Venn split + per-manager position % is on this page.
Sourced from SEC 13F filings (2026). Not investment advice. Methodology.