Mattern Capital Management, LLC
- SEC CIK
- 0001803227
- Latest filing
- Jul 24, 2026
APH holding history
Amphenol Corp in every 13F filed by Mattern Capital Management, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
APH overviewAll 13F holders of APHFull Q2 2026 holdings
- Shares (Q2 2026)
- 62,586
- Value
- $11.0M
- % of portfolio
- 1.3%
- Quarters held
- 6
- Since Q1 2025
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 62,586 | $11.0M | 1.3% | +9,706+18.4% | Added | Holders |
| Q1 2026 | 52,880 | $6.68M | 0.8% | −10,410−16.4% | Reduced | Holders |
| Q4 2025 | 63,290 | $8.55M | 1.0% | −17,616−21.8% | Reduced | Holders |
| Q3 2025 | 80,906 | $10.0M | 1.2% | +10,827+15.4% | Added | Holders |
| Q2 2025 | 70,079 | $6.92M | 0.8% | +13,812+24.5% | Added | Holders |
| Q1 2025 | 56,267 | $3.69M | 0.5% | +56,267 | New | Holders |