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Ownership Diff · AMZN vs GRBK

AMZN vs GRBK

Amazon · Green Brick Partners

Superinvestor ownership overlap, unique holders, and conviction comparison.

AMZN
Amazon
Technology
ConvictionScore−7
SignalSlight selling
Tracked owners3
GRBK
Green Brick Partners
Real Estate
ConvictionScore+14
SignalSlight accumulation
Tracked owners2

What the ownership overlap reveals

Across 5 tracked superinvestors, no manager holds both AMZN and GRBK — the two names draw on entirely separate pools of smart money. AMZN appears in 3 tracked portfolios; GRBK in 2, so AMZN is the more widely held of the two among tracked managers.

AMZN is a Technology 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, AMZN’s ConvictionScore reads −7 (slight selling) against GRBK’s +14 (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 AMZN only, who holds GRBK only, and who holds both.

■ AMZN only (3)■ Both (0)■ GRBK only (2)
AMZN only
GRBK only
Only AMZN · 3
Both · 0

No manager holds both AMZN and GRBK.

Only GRBK · 2

Frequently asked questions

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

AMZN (Amazon) is held by 3 tracked superinvestors; GRBK (Green Brick Partners) is held by 2. AMZN has 1 more tracked holder. Full ranking by % of portfolio in the table below.

What managers hold both AMZN and GRBK?

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

What is the overlap between AMZN and GRBK institutional ownership?

Across 5 unique tracked holders: 3 hold only AMZN (60%), 0 hold both (0%), 2 hold only GRBK (40%). The full Venn split + per-manager position % is on this page.

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

Deep dive

Reading for your research

Optional background reading on interpreting company disclosures and investing methods. These books do not validate a signal or predict returns.

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