Harbor Advisors LLC
- SEC CIK
- 0001687156
- Latest filing
- Jul 28, 2026
MA holding history
Mastercard Inc in every 13F filed by Harbor Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
MA overviewAll 13F holders of MAFull Q2 2026 holdings
- Shares (Q2 2026)
- 26,000
- Value
- $13.4M
- % of portfolio
- 1.7%
- Quarters held
- 22
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 26,000 | $13.4M | 1.7% | 00.0% | Unchanged | Holders |
| Q1 2026 | 26,000 | $13.0M | 1.9% | 00.0% | Unchanged | Holders |
| Q4 2025 | 26,000 | $14.8M | 2.2% | 00.0% | Unchanged | Holders |
| Q3 2025 | 26,000 | $14.8M | 2.3% | 00.0% | Unchanged | Holders |
| Q2 2025 | 26,000 | $14.6M | 2.4% | 00.0% | Unchanged | Holders |
| Q1 2025 | 26,000 | $14.3M | 2.5% | 00.0% | Unchanged | Holders |
| Q4 2024 | 26,000 | $13.7M | 2.2% | 00.0% | Unchanged | Holders |
| Q3 2024 | 26,000 | $12.8M | 2.1% | 00.0% | Unchanged | Holders |
| Q2 2024 | 26,000 | $11.5M | 2.1% | 00.0% | Unchanged | Holders |
| Q1 2024 | 26,000 | $12.5M | 2.3% | 00.0% | Unchanged | Holders |
| Q4 2023 | 26,000 | $11.1M | 2.1% | 00.0% | Unchanged | Holders |
| Q3 2023 | 26,000 | $10.3M | 2.2% | 00.0% | Unchanged | Holders |
| Q2 2023 | 26,000 | $10.2M | 2.2% | 00.0% | Unchanged | Holders |
| Q1 2023 | 26,000 | $9.45M | 2.2% | 00.0% | Unchanged | Holders |
| Q4 2022 | 26,000 | $9.04M | 2.3% | 00.0% | Unchanged | Holders |
| Q3 2022 | 26,000 | $7.39M | 2.0% | 00.0% | Unchanged | Holders |
| Q2 2022 | 26,000 | $8.20M | 2.0% | 00.0% | Unchanged | Holders |
| Q1 2022 | 26,000 | $9.29M | 1.9% | 00.0% | Unchanged | Holders |
| Q4 2021 | 26,000 | $9.34M | 1.7% | 00.0% | Unchanged | Holders |
| Q3 2021 | 26,000 | $9.04M | 1.8% | 00.0% | Unchanged | Holders |
| Q2 2021 | 26,000 | $9.49M | 1.9% | 00.0% | Unchanged | Holders |
| Q1 2021 | 26,000 | $9.26M | 2.1% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.