Ownership history in Corundum Group, Inc. · 54 quarters on record
This page tracks every 13F SEC filing in which Corundum Group, Inc. reported a position in MICROSOFT CORP COM (MSFT). 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 | ADDED | 15,256 | +326 | +2.2% | 2.48% | $7.4M | $482.52 |
| 2025 Q3 | REDUCED | 14,930 | -180 | -1.2% | 3.18% | $7.7M | $515.81 |
| 2025 Q2 | REDUCED | 15,110 | -820 | -5.1% | 3.32% | $7.5M | $494.54 |
| 2025 Q1 | REDUCED | 15,930 | -1,797 | -10.1% | 2.87% | $6.0M | $372.54 |
| 2024 Q4 | ADDED | 17,727 | +452 | +2.6% | 2.79% | $7.5M | $417.46 |
| 2024 Q3 | REDUCED | 17,275 | -1,817 | -9.5% | 3.39% | $7.4M | $425.32 |
| 2024 Q2 | ADDED | 19,092 | +1,447 | +8.2% | 3.33% | $8.5M | $440.99 |
| 2024 Q1 | REDUCED | 17,645 | -491 | -2.7% | 3.58% | $7.4M | $414.36 |
| 2023 Q4 | ADDED | 18,136 | +258 | +1.4% | 3.42% | $6.8M | $369.67 |
| 2023 Q3 | REDUCED | 17,878 | -922 | -4.9% | 3.21% | $5.6M | $309.77 |
As of 2025 Q4 — sorted by position size