Weekly Stock Dossier · Sep 21–27, 2026
AAPL
APPLE INC
AAPL ranks #1 in conviction. How much of that signal rests on Duan Yongping?
AAPL scores 84.1 across 21 tracked owners. Duan Yongping reports it at 41.1% of the portfolio, while no tracked manager bought and none sold in their latest available filings.
Latticework Follow
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Why this stock, this week
AAPL combines a 84.1 conviction score with an unusually concentrated top owner.
The evidence
Conviction across the tracked cohort
2026Q1 → 2026Q2
- conviction score
- 84.1
- score change
- +0.9
- latest-filing owners
- 21
Observed for 30 quarters
41.1%latest reported weight · 2026Q2
Observed for 40 quarters
22.0%latest reported weight · 2026Q2
Observed for 40 quarters
7.8%latest reported weight · 2026Q2
Observed for 9 quarters
5.3%latest reported weight · 2026Q2
Observed for 23 quarters
0.9%latest reported weight · 2026Q2
Latest-filing buyers
None in the tracked cohort
Latest-filing sellers
None in the tracked cohort
The filing lens
13F filings are delayed snapshots of reportable U.S.-listed securities. They do not reveal purchase price, intent, shorts, private holdings, or trades made after quarter end.
Published Sep 27, 2026 · Reviewed primary-source research · Not investment advice.