Ownership history in Corundum Group, Inc. · 46 quarters on record
This page tracks every 13F SEC filing in which Corundum Group, Inc. reported a position in 3M COMPANY (MMM). 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 | 97,999 | +153 | +0.2% | 5.26% | $15.7M | $159.38 |
| 2025 Q3 | REDUCED | 97,846 | -306 | -0.3% | 6.24% | $15.2M | $153.83 |
| 2025 Q2 | REDUCED | 98,152 | -1,688 | -1.7% | 6.61% | $14.9M | $150.22 |
| 2025 Q1 | REDUCED | 99,840 | -4,706 | -4.5% | 7.03% | $14.7M | $144.20 |
As of 2025 Q4 — sorted by position size