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Portfolio overlap · pairwise 13F intersection

Joel Greenblatt · John Armitage
what they both own

Both Joel Greenblatt (Gotham Asset Management) and John Armitage (Egerton Capital) hold 5 of the same stocks per their latest 13F filings — a Jaccard overlap of 2.2% across portfolios of 212 and 22 positions. Combined position weight in shared names: 5.6% of each investor's portfolio capacity.

5
Shared tickers
2.2%
Jaccard overlap
5.6%
Joint conviction

Shared positions, ranked by joint conviction

Joint conviction = Joel Greenblatt's portfolio weight + John Armitage's portfolio weight. A stock that both investors size heavily ranks higher than one both hold marginally. Position weight reflects each investor's most recent 13F filing (45-day SEC lag applies; filings can be 1-3 months old).

TickerGreenblattArmitageJointConvictionScore
JEF0.1%2.1%2.2%0
LECO0.1%1.3%1.4%0
TNL0.1%1.3%1.4%0
CACI0.1%0.3%0.4%0
AEM0.1%0.1%0.2%0

Compare individually

Data note. Position percentages are derived from each investor's most recent SEC Form 13F filing (45-day lag), filtered to disclosed long positions only. 13F filings exclude short positions, options (mostly), foreign-domiciled holdings, and positions below the reporting threshold. Joint conviction is a descriptive sum, not a recommendation. Per HoldLens compliance: this page is factual portfolio comparison, not investment advice. Always verify against the source filing before acting.