Back to Guy Spier
Guy Spier → MA via Aquamarine Zurich AG
Guy Spier MA Position History
Mastercard Incorporated • Services
Quarters held
7
Latest value
$21K
Q2 2026
Peak value
$37.4M
First seen
Q1 2025
Quarter-by-quarter history
Every disclosed snapshot
| Quarter | Value | Shares | % Portfolio | Change |
|---|---|---|---|---|
| Q2 2026 | $21K | 40.0K | — | — |
| Q1 2026 | $20M | 40.0K | — | — |
| Q4 2025 | $23K | 40.0K | — | — |
| Q3 2025 | $37.4M | 65.8K | — | — |
| Q2 2025 | $36.9M | 65.8K | — | — |
| Q2 2025 | $36.9M | 65.8K | — | — |
| Q1 2025 | $36M | 65.8K | — | — |