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NorthWestern Corporation shares owned by William Blair Investment Management

Quarter-by-quarter ownership of NorthWestern Corporation (NWE) shares owned by William Blair Investment Management from 13F filings

Historical chart of William Blair Investment Management investment in NorthWestern Corporation

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All positions including NorthWestern Corporation held by William Blair Investment Management consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in NorthWestern Corporation by William Blair Investment Management

Quarter filed Position value Share count Share price at filing
2024-09-30 $31M 539k 57.22
2024-06-30 $28M 555k 50.08
2024-03-31 $28M 556k 50.93
2023-12-31 $28M 556k 50.89
2023-09-30 $27M 567k 48.06
2023-06-30 $35M 609k 56.76
2023-03-31 $35M 597k 57.86
2022-12-31 $35M 595k 59.34
2022-09-30 $31M 618k 49.28
2022-06-30 $37M 631k 58.93
2022-03-31 $36M 587k 60.49
2021-12-31 $34M 594k 57.16
2021-09-30 $37M 641k 57.30
2021-06-30 $79k 1.3k 60.08