Grantham, Mayo, Van Otterloo & Co. LLC
- SEC CIK
- 0001352662
- Latest filing
- Aug 13, 2026
NWE holding history
NorthWestern Energy Group, Inc. in every 13F filed by Grantham, Mayo, Van Otterloo & Co. LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
NWE overviewAll 13F holders of NWEFull Q2 2026 holdings
- Shares (Q2 2026)
- 623,112
- Value
- $44.6M
- % of portfolio
- 0.1%
- Quarters held
- 4
- Since Q3 2025
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 623,112 | $44.6M | 0.1% | +77,079+14.1% | Added | Holders |
| Q1 2026 | 546,033 | $36.0M | 0.1% | +62,742+13.0% | Added | Holders |
| Q4 2025 | 483,291 | $31.2M | 0.1% | +424,593+723.4% | Added | Holders |
| Q3 2025 | 58,698 | $3.44M | <0.1% | +58,698 | New | Holders |