MSFT vs AMZN
Microsoft · Amazon
Superinvestor ownership overlap, unique holders, and conviction comparison.
What the ownership overlap reveals
Across 13 tracked superinvestors, 2 hold both MSFT and AMZN (15% of the combined holder base), led by Stephen Mandel (7.8% MSFT · 6.9% AMZN). MSFT appears in 12 tracked portfolios; AMZN in 3, so MSFT is the more widely held of the two among tracked managers.
Both sit in Technology, so the overlap reflects manager preference within one sector rather than a cross-sector divide. On the latest 13F cohort, MSFT’s ConvictionScore reads −8 (slight selling) against AMZN’s −8 (slight selling); the two carry the same net reading across tracked managers.
Among the 2 managers holding both, 1 size MSFT larger and 1 size AMZN larger — an even conviction split. A name held with higher weight by managers who own both is one the shared cohort is more concentrated in.
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 MSFT only, who holds AMZN only, and who holds both.
Of 2 shared managers, 1 weight MSFT heavier and 1 weight AMZN heavier.
- Chris Hohn13.1%
- Terry Smith11.2%
- Chase Coleman10.7%
- Polen Capital9.4%
- Stanley Druckenmiller9.1%
- John Armitage8.9%
- William von Mueffling7.8%
- Andreas Halvorsen4.8%
- +2 more
- Stephen Mandel7.8 / 6.9%
- David Tepper5.9 / 6.4%
- Tom Slater8.7%
Shared manager conviction
For managers holding both: how hard do they bet on each? Longer bar = bigger position.
Frequently asked questions
Which has more hedge-fund owners: MSFT or AMZN?
MSFT (Microsoft) is held by 12 tracked superinvestors; AMZN (Amazon) is held by 3. MSFT has 9 more tracked holders. Full ranking by % of portfolio in the table below.
What managers hold both MSFT and AMZN?
2 tracked superinvestors hold both MSFT and AMZN based on the latest SEC 13F filings. Largest dual-holder: Stephen Mandel (7.8% MSFT · 6.9% AMZN). Full overlap table below.
What is the overlap between MSFT and AMZN institutional ownership?
Across 13 unique tracked holders: 10 hold only MSFT (77%), 2 hold both (15%), 1 hold only AMZN (8%). The full Venn split + per-manager position % is on this page.
Among managers holding both MSFT and AMZN, which do they prefer?
Of 2 managers holding both, 1 weight MSFT higher and 1 weight AMZN higher in their portfolios. Even split. Per-manager position %s in the convergence table below.
Sourced from SEC 13F filings (2026). Not investment advice. Methodology.