Ownership history in Summa Corp. · 9 quarters on record
This page tracks every 13F SEC filing in which Summa Corp. reported a position in AMAZON COM INC (AMZN). 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 | 21,092 | -342 | -1.6% | 2.09% | $4.9M | $230.82 |
| 2025 Q3 | REDUCED | 21,434 | -366 | -1.7% | 2.07% | $4.7M | $219.57 |
| 2025 Q2 | ADDED | 21,800 | +13,688 | +168.7% | 2.49% | $4.8M | $219.39 |
| 2025 Q1 | UNCHANGED | 8,112 | — | 0% | 0.89% | $1.5M | $190.26 |
As of 2025 Q4 — sorted by position size