NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 413,328 Value ($000) $26,676 Avg Close $62.82 Range $56.07 - $68.56
Q3 2025
Shares 456,220 Value ($000) $26,739 Avg Close $54.14 Range $49.85 - $58.24
Q2 2025
Shares 483,874 Value ($000) $24,823 Avg Close $53.53 Range $49.39 - $57.89
Q1 2025
Shares 524,278 Value ($000) $30,340 Avg Close $52.06 Range $48.49 - $56.12
Q4 2024
Shares 552,052 Value ($000) $29,513 Avg Close $51.38 Range $48.17 - $54.22
Q3 2024
Shares 538,700 Value ($000) $30,824 Avg Close $49.89 Range $45.22 - $54.21
Q2 2024
Shares 555,041 Value ($000) $27,796 Avg Close $46.58 Range $43.68 - $48.79
Q1 2024
Shares 556,073 Value ($000) $28,321 Avg Close $44.40 Range $41.90 - $47.03
Q4 2023
Shares 556,348 Value ($000) $28,313 Avg Close $44.88 Range $41.24 - $48.79
Q3 2023
Shares 567,032 Value ($000) $27,252 Avg Close $47.33 Range $42.66 - $51.72
Q2 2023
Shares 608,578 Value ($000) $34,543 Avg Close $51.34 Range $48.87 - $53.67
Q1 2023
Shares 597,267 Value ($000) $34,558 Avg Close $49.59 Range $46.79 - $52.43
Q4 2022
Shares 595,084 Value ($000) $35,312 Avg Close $46.84 Range $41.72 - $52.07
Q3 2022
Shares 618,010 Value ($000) $30,456 Avg Close $46.61 Range $42.04 - $51.24
Q2 2022
Shares 630,482 Value ($000) $37,154 Avg Close $49.98 Range $45.98 - $52.83
Q1 2022
Shares 586,627 Value ($000) $35,485 Avg Close $48.63 Range $46.08 - $51.75
Q4 2021
Shares 594,100 Value ($000) $33,959 Avg Close $46.70 Range $43.99 - $49.52
Q3 2021
Shares 641,443 Value ($000) $36,755 Avg Close $50.51 Range $46.92 - $53.26
Q2 2021
Shares 1,315 Value ($000) $79 Avg Close $52.44 Range $48.13 - $56.92