Cornerstone Planning, LLC
- SEC CIK
- 0001802105
- Latest filing
- Jul 29, 2026
MMM holding history
3M Co in every 13F filed by Cornerstone Planning, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
MMM overviewAll 13F holders of MMMFull Q2 2026 holdings
- Shares (Q2 2026)
- 9,541
- Value
- $1.54M
- % of portfolio
- 0.4%
- Quarters held
- 4
- Since Q4 2024
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 9,541 | $1.54M | 0.4% | +241+2.6% | Added | Holders |
| Q1 2026 | 9,300 | $1.35M | 0.3% | −1,256−11.9% | Reduced | Holders |
| Q4 2025 | 10,556 | $1.70M | 0.4% | – | No prior filing | Holders |
| Q1 2025 | – | – | – | – | Not filed | Holders |
| Q4 2024 | 3,859 | $498.2K | 0.2% | – | No prior filing | Holders |