Arrowstreet Capital’s NorthWestern Energy NWE Stock Holding History

Arrowstreet Capital’s Portfolio NWE Stock Details NWE Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$13.1M	Sell	183,299 -32,840	-15%	-$2.33M	0.01%	992
2026 Q1	$14.3M	Buy	216,139 +211,705	+4,775%	+$14.3M	0.01%	845
2025 Q4	$286K	Buy	+4,434	New	+$281K	﹤0.01%	1741
2025 Q2	–	Sell	-32,027	Closed	-$1.85M	–	2032
2025 Q1	$1.85M	Buy	+32,027	New	+$1.74M	﹤0.01%	1315
2024 Q4	–	Sell	-32,015	Closed	-$1.83M	–	1903
2024 Q3	$1.83M	Buy	+32,015	New	+$1.71M	﹤0.01%	1249
2020 Q4	–	Sell	-78,549	Closed	-$3.82M	–	2461
2020 Q3	$3.82M	Buy	+78,549	New	+$4.17M	0.01%	1274
2016 Q2	–	Sell	-51,810	Closed	-$3.2M	–	1451
2016 Q1	$3.2M	Buy	+51,810	New	+$2.99M	0.01%	667
2014 Q2	–	Sell	-7,955	Closed	-$377K	–	1122
2014 Q1	$377K	Buy	+7,955	New	+$359K	﹤0.01%	1005

Other funds holding NWE

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

SFM

Systematic Financial Management Teaneck, New Jersey $5.02B AUM 66.06% 1-Year Est. Return

Arrowstreet Capital's NWE Position: Q2 2026 in Review

Arrowstreet Capital reduced its NorthWestern Energy (NWE) stake by 15% in Q2 2026, selling an estimated $2.33M and leaving 183,299 shares worth $13.1M. The position accounts for 0.01% of the portfolio, ranked #992.

Arrowstreet Capital first reported a position in NWE in Q1 2014 and has held it in 8 quarters since. The position peaked at $14.3M in Q1 2026. 376 funds tracked by Wall St. Rank hold NWE as of Q2 2026.

Arrowstreet Capital held 183,299 shares of NorthWestern Energy worth $13.1M as of Q2 2026.
Arrowstreet Capital sold 32,840 NorthWestern Energy shares in Q2 2026, an estimated $2.33M.
NorthWestern Energy made up 0.01% of Arrowstreet Capital's portfolio in Q2 2026, its #992 holding.
Arrowstreet Capital first reported a position in NorthWestern Energy in Q1 2014 and has held it in 8 quarters since.
Arrowstreet Capital's NorthWestern Energy position peaked at $14.3M in Q1 2026.
376 funds tracked by Wall St. Rank held NorthWestern Energy as of Q2 2026.

Based on Arrowstreet Capital's 13F filing for Q2 2026, filed 13 Aug 2026.