Dev Kantesaria · Stephen Mandel
what they both own
Both Dev Kantesaria (Valley Forge Capital) and Stephen Mandel (Lone Pine Capital) hold 3 of the same stocks per their latest 13F filings — a Jaccard overlap of 11.1% across portfolios of 6 and 24 positions. Combined position weight in shared names: 51.1% of each investor's portfolio capacity.
Shared positions, ranked by joint conviction
Joint conviction = Dev Kantesaria's portfolio weight + Stephen Mandel'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).
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.
Frequently asked questions
How many stocks do Dev Kantesaria and Stephen Mandel both hold?
Both Dev Kantesaria (Valley Forge Capital) and Stephen Mandel (Lone Pine Capital) hold 3 of the same stocks per their latest SEC Form 13F filings — a Jaccard overlap of 11.1% across portfolios of 6 and 24 positions.
What is the biggest shared position between Dev Kantesaria and Stephen Mandel?
Highest joint-conviction shared position: MA. Joint conviction is the sum of each investor's portfolio weight in the same stock. The complete ranked list (top 25) is in the table below; full data sourced from each fund's latest 13F filing (45-day SEC lag applies).
What is the Jaccard overlap between Dev Kantesaria and Stephen Mandel?
11.1% — the Jaccard coefficient between Valley Forge Capital's and Lone Pine Capital's tracked long positions. Calculated as |A ∩ B| / |A ∪ B| over shared tickers. Higher means more portfolio convergence; 0% means no shared names.
What is "joint conviction" on HoldLens?
Joint conviction is the sum of Dev Kantesaria's and Stephen Mandel's respective portfolio weights in a shared stock. 51.1% is the combined weight across all shared names — a descriptive measure of how much portfolio capacity both managers concentrate in overlapping positions, not a recommendation.