GRBK vs MA
Green Brick Partners · Mastercard
Superinvestor ownership overlap, unique holders, and conviction comparison.
What the ownership overlap reveals
Across 8 tracked superinvestors, no manager holds both GRBK and MA — the two names draw on entirely separate pools of smart money. GRBK appears in 2 tracked portfolios; MA in 6, so MA is the more widely held of the two among tracked managers.
GRBK is a Real Estate holding while MA sits in Financials — the overlap (or lack of it) partly tracks how each manager allocates across sectors. On the latest 13F cohort, GRBK’s ConvictionScore reads +13 (slight accumulation) against MA’s 0 (mixed); GRBK shows the stronger net-accumulation reading of the pair.
Descriptive comparison of SEC Form 13F filings (45-day reporting lag; filings can be 1–3 months old). Not investment advice — see methodology.
Ownership fingerprint
Who holds GRBK only, who holds MA only, and who holds both.
- David Einhorn28.7%
- Howard Marks9.4%
No manager holds both GRBK and MA.
- Chuck Akre17.8%
- François Rochon11.2%
- Dev Kantesaria11.2%
- Terry Smith9.8%
- Polen Capital5.6%
- Andreas Halvorsen3.7%
Frequently asked questions
Which has more hedge-fund owners: GRBK or MA?
GRBK (Green Brick Partners) is held by 2 tracked superinvestors; MA (Mastercard) is held by 6. MA has 4 more tracked holders. Full ranking by % of portfolio in the table below.
What managers hold both GRBK and MA?
0 tracked superinvestors hold both GRBK and MA based on the latest SEC 13F filings. Full overlap table below.
What is the overlap between GRBK and MA institutional ownership?
Across 8 unique tracked holders: 2 hold only GRBK (25%), 0 hold both (0%), 6 hold only MA (75%). The full Venn split + per-manager position % is on this page.
Sourced from SEC 13F filings (2026). Not investment advice. Methodology.