NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

Grantham, Mayo, Van Otterloo & Co. LLC's Holding History (CIK: 0001352662)

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

Q4 2025

Shares 483,291 Value ($000) $31,192 Avg Close $62.82 Range $56.07 - $68.56

Q3 2025

Shares 58,698 Value ($000) $3,440 Avg Close $54.14 Range $49.85 - $58.24

Q3 2019

Shares 36,400 Value ($000) $2,732 Avg Close $54.27 Range $50.60 - $58.08

Q2 2019

Shares 70,200 Value ($000) $5,065 Avg Close $53.01 Range $50.21 - $55.53

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	483,291	$31,192	$62.82	$56.07 - $68.56
Q3 2025	58,698	$3,440	$54.14	$49.85 - $58.24
Q3 2019	36,400	$2,732	$54.27	$50.60 - $58.08
Q2 2019	70,200	$5,065	$53.01	$50.21 - $55.53