Ownership history in Summa Corp. · 9 quarters on record
This page tracks every 13F SEC filing in which Summa Corp. reported a position in ADVANCED MICRO DEVICES INC (AMD). 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 Q4 | REDUCED | 121,770 | -7,900 | -6.1% | 11.18% | $26.1M | $214.16 |
| 2025 Q3 | ADDED | 129,670 | +21,970 | +20.4% | 9.23% | $21.0M | $161.79 |
| 2025 Q2 | REDUCED | 107,700 | -12,500 | -10.4% | 7.94% | $15.3M | $141.90 |
| 2025 Q1 | REDUCED | 120,200 | -7,000 | -5.5% | 7.14% | $12.3M | $102.74 |
As of 2025 Q4 — sorted by position size