Ownership history in GROUP ONE TRADING LLC · 17 quarters on record
This page tracks every 13F SEC filing in which GROUP ONE TRADING LLC reported a position in AMPHENOL CORP NEW (APH). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q3 | ADDED | 36,950 | +36,376 | +6337.3% | 0.01% | $4.6M | $123.51 |
| 2025 Q1 | REDUCED | 574 | -11,896 | -95.4% | 0.00% | $38K | $65.26 |
| 2024 Q4 | REDUCED | 12,470 | -1,797 | -12.6% | 0.00% | $866K | $68.92 |
| 2024 Q3 | ADDED | 14,267 | +11,722 | +460.6% | 0.00% | $930K | $64.52 |
| 2024 Q2 | REDUCED | 2,545 | -1,055 | -29.3% | 0.00% | $171K | $66.54 |
| 2024 Q1 | ADDED | 3,600 | +1,353 | +60.2% | 0.00% | $415K | $56.87 |
| 2023 Q4 | REDUCED | 2,247 | -3,899 | -63.4% | 0.00% | $223K | $48.77 |
| 2023 Q3 | ADDED | 6,146 | +5,655 | +1151.7% | 0.00% | $516K | $41.23 |
| 2022 Q1 | REDUCED | 491 | -3,311 | -87.1% | 0.00% | $37K | $36.39 |
| 2021 Q4 | REDUCED | 3,802 | -7,600 | -66.7% | 0.00% | $333K | $42.13 |
As of 2025 Q4 — sorted by position size