NorthWestern Corporation shares owned by Grantham, Mayo, Van Otterloo & Co
Quarter-by-quarter ownership of NorthWestern Corporation (NWE) shares owned by Grantham, Mayo, Van Otterloo & Co
from 13F filings
Historical chart of Grantham, Mayo, Van Otterloo & Co investment in NorthWestern Corporation
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Quarterly reported holdings in NorthWestern Corporation by Grantham, Mayo, Van Otterloo & Co
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-12-31 | $31M | 483k | 64.54 |
| 2025-09-30 | $3.4M | 59k | 58.61 |
| 2019-09-30 | $2.7M | 36k | 75.05 |
| 2019-06-30 | $5.1M | 70k | 72.15 |
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