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Ownership Diff · MA vs AMZN

MA vs AMZN

Mastercard · Amazon

Superinvestor ownership overlap, unique holders, and conviction comparison.

MA
Mastercard
Financials
ConvictionScore0
SignalMixed
Tracked owners6
AMZN
Amazon
Technology
ConvictionScore−8
SignalSlight selling
Tracked owners3

What the ownership overlap reveals

Across 9 tracked superinvestors, no manager holds both MA and AMZN — the two names draw on entirely separate pools of smart money. MA appears in 6 tracked portfolios; AMZN in 3, so MA is the more widely held of the two among tracked managers.

MA is a Financials holding while AMZN sits in Technology — 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 AMZN’s −8 (slight selling); MA 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 AMZN only, and who holds both.

MA only (6)■ Both (0)AMZN only (3)
MA only
AMZN only
Both · 0

No manager holds both MA and AMZN.

Only AMZN · 3
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Frequently asked questions

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

MA (Mastercard) is held by 6 tracked superinvestors; AMZN (Amazon) is held by 3. MA has 3 more tracked holders. Full ranking by % of portfolio in the table below.

What managers hold both MA and AMZN?

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

What is the overlap between MA and AMZN institutional ownership?

Across 9 unique tracked holders: 6 hold only MA (67%), 0 hold both (0%), 3 hold only AMZN (33%). The full Venn split + per-manager position % is on this page.

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