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Ownership Diff · MA vs GRBK

MA vs GRBK

Mastercard · Green Brick Partners

Superinvestor ownership overlap, unique holders, and conviction comparison.

MA
Mastercard
Financials
ConvictionScore0
SignalMixed
Tracked owners6
GRBK
Green Brick Partners
Real Estate
ConvictionScore+13
SignalSlight accumulation
Tracked owners2

What the ownership overlap reveals

Across 8 tracked superinvestors, no manager holds both MA and GRBK — the two names draw on entirely separate pools of smart money. MA appears in 6 tracked portfolios; GRBK in 2, so MA is the more widely held of the two among tracked managers.

MA is a Financials holding while GRBK sits in Real Estate — the overlap (or lack of it) partly tracks how each manager allocates across sectors. On the latest 13F cohort, MA’s ConvictionScore reads 0 (mixed) against GRBK’s +13 (slight accumulation); 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 MA only, who holds GRBK only, and who holds both.

MA only (6)■ Both (0)GRBK only (2)
MA only
GRBK only
Both · 0

No manager holds both MA and GRBK.

Only GRBK · 2
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Frequently asked questions

Which has more hedge-fund owners: MA or GRBK?

MA (Mastercard) is held by 6 tracked superinvestors; GRBK (Green Brick Partners) is held by 2. MA has 4 more tracked holders. Full ranking by % of portfolio in the table below.

What managers hold both MA and GRBK?

0 tracked superinvestors hold both MA and GRBK based on the latest SEC 13F filings. Full overlap table below.

What is the overlap between MA and GRBK institutional ownership?

Across 8 unique tracked holders: 6 hold only MA (75%), 0 hold both (0%), 2 hold only GRBK (25%). The full Venn split + per-manager position % is on this page.

Sourced from SEC 13F filings (2026). Not investment advice. Methodology.