Current position

Dev Kantesaria’s Mastercard (MA) position

Reported position history, portfolio importance and verified filing changes from public SEC disclosures.

Valley Forge Capital ManagementVerified through Q2 2026
Relationship snapshot

At a glance

The full verified relationship, including prior ownership episodes and exits where supported.

First reportedQ4 2016Earliest verified positive filing snapshot
Latest statusCurrent positionBased on the latest supported relationship state
Peak shares1.57MHighest verified quarter-end share count
Quarters reported39Verified quarters with shares above zero
What happened?

Valley Forge Capital Management first reported Mastercard in Q4 2016. The reported position was increased and reduced across later filings. Valley Forge Capital Management currently reports 1.07M shares. The latest verified filing showed: Sold 28.3% of the position.

Verified SEC history

Position over time

See the same verified relationship through reported shares, portfolio weight or reported value.

Metric

Gaps indicate periods that cannot be safely connected or where a verified corporate action changes the raw share scale. Stock price, when available, is market context and not a transaction price.

Key filing events

What changed

Latest filing plus the most meaningful reported changes. Unchanged quarters are collapsed by default.

Q2 2026
Sold 28.3% of the position−421.56K shares · 1.07M shares remained
Filing context

Quarter-end price $513.60 · Estimated holding basis $330.89

Q1 2026
Bought 0.01% more+87 shares · 1.49M shares reported after the change
Filing context

Quarter-end price $499.66 · Estimated holding basis $330.89

Q4 2025
Bought 0.2% more+2.64K shares · 1.49M shares reported after the change
Filing context

Quarter-end price $570.88 · Estimated holding basis $330.89

Q4 2023
Sold 0.3% of the position−4.33K shares · 1.48M shares remained
Filing context

Quarter-end price $426.51 · Estimated holding basis $330.46

Q1 2023
Sold 4.3% of the position−66.57K shares · 1.49M shares remained
Filing context

Quarter-end price $363.41 · Estimated holding basis $330.46

Q4 2022
Sold 1.2% of the position−18.75K shares · 1.56M shares remained
Filing context

Quarter-end price $347.73 · Estimated holding basis $330.46

18 unchanged quarters are collapsed by default.

Portfolio importance

How important is Mastercard in Valley Forge Capital Management’s reported portfolio?

Relative importance is measured only within the verified primary non-option reported portfolio for each quarter.

Current portfolio weight17.6%Q2 2026
Current rank#4of 7 reported positions
Peak portfolio weight22.6%Q1 2021
Best historical rank#1Q4 2020
At peak importanceQ1 2021
MA
22.6%
Largest holding
22.6%
Cross-investor discovery

Who else owns Mastercard?

Also reported by 8 other tracked investors in their latest verified filings.

Chuck AkreAkre Capital Management
MA20.0% of reported portfolio
Guy SpierAquamarine Capital
MA14.3% of reported portfolio
Tom RussoGardner Russo & Quinn · formerly Gardner Russo & Gardner
MA8.8% of reported portfolio
Explore Mastercard across all tracked investors →
SEC evidence & methodology

SEC filing evidence

Market context and filing-derived values are kept separate from actual transaction prices, which 13F filings do not disclose.

Latest verified stock price$565.242026-09-18

Market context only; not an investor transaction price.

Latest filing quarter-end price$513.60Q2 2026

Derived from validated reported value and shares where supported.

Estimated holding basis$330.89Historical reference — not actual purchase price

Calculated from supported filing history.

Latest verified investor filingQ2 2026 · filed 2026-08-14
Open SEC filing ↗

View Mastercard stock page →

SEC reporting manager: Valley Forge Capital Management, LP (CIK 0001697868). The filing signature identifies Devang Kantesaria. This tracker reflects public Form 13F disclosures, not a personal brokerage account or exact trade dates.