NorthWestern Energy Group, Inc.

NWE

Exchange: Nasdaq
Industry: Electric & Other Services Combined
SEC CIK: 0001993004

SEC filings (opens in a new tab)

No open-market purchases or sales by NorthWestern Energy Group, Inc. insiders were filed in the last 90 days; 376 institutions reported holding it in 13F filings for Q2 2026, worth $4.21B in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding NorthWestern Energy Group, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of NWE: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	329	4	358	+33
Shares	57.6M	8.07K	59.8M	+2.24M (+3.9%)
Value	$3.37B	$472.6K	$3.86B	+$485.8M (+14.4%)

4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (57)

Institutions that held NorthWestern Energy Group, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to NWE in Q4 2025
Institution	Shares	Value	% of portfolio
Nomura Asset Management International Inc.	1,025,302	$66.2M	0.10%
Adage Capital Partners GP, L.L.C.	812,500	$52.4M	0.08%
Norges Bank	778,958	$50.3M	0.01%
Hudson Bay Capital Management LP	499,509	$32.2M	0.18%
Canada Pension Plan Investment Board	132,400	$8.55M	0.01%
Public Sector Pension Investment Board	70,176	$4.53M	0.02%
Point72 Asset Management, L.P.	59,406	$3.83M	0.01%
Moore Capital Management, LP	53,470	$3.45M	0.07%
Jump Financial, LLC	32,531	$2.10M	0.03%
Credit Agricole S A	25,415	$1.64M	0.00%
CSS LLC	23,600	$1.52M	0.09%
Keebeck Alpha, LP	22,848	$1.47M	3.92%
Polar Asset Management Partners Inc.	20,987	$1.35M	0.03%
Schonfeld Strategic Advisors LLC	16,196	$1.05M	0.01%
D. E. Shaw & Co., Inc.	14,751	$952.0K	0.00%
Winton Group Ltd	12,073	$779.2K	0.03%
Neo Ivy Capital Management	11,230	$724.8K	0.11%
Passumpsic Savings Bank	11,153	$719.8K	0.39%
Skandinaviska Enskilda Banken AB (publ)	10,000	$645.4K	0.00%
Y-Intercept (Hong Kong) Ltd	9,747	$629.1K	0.01%
LMR Partners LLP	8,893	$574.0K	0.01%
TD Asset Management Inc	8,100	$522.8K	0.00%
SummitTX Capital, L.P.	6,300	$406.6K	0.01%
Harbour Investments, Inc.	5,748	$371.0K	0.01%
Jain Global LLC	5,746	$370.8K	0.00%
Aigen Investment Management, LP	5,729	$369.8K	0.09%
Merit Financial Group, LLC	5,720	$369.2K	0.00%
Swiss Life Asset Management Ltd	5,562	$359.0K	0.00%
Colony Group, LLC	5,511	$349.9K	0.00%
AlphaGrep UK Ltd	4,661	$300.8K	0.10%
Arrowstreet Capital, Limited Partnership	4,434	$286.2K	0.00%
Caitlin John, LLC	4,197	$270.9K	0.18%
CIBC World Markets Corp	4,084	$263.6K	0.00%
Sanctuary Advisors, LLC	3,503	$226.1K	0.00%
Steel Peak Wealth Management LLC	3,210	$207.2K	0.01%
Legacy Wealth Asset Management, LLC	3,148	$203.2K	0.05%
Callan Family Office, LLC	3,104	$200.3K	0.00%
Mint Tower Capital Management B.V.	2,422	$156.0K	0.02%
Triumph Capital Management	1,380	$89.1K	0.02%
V-Square Quantitative Management LLC	1,345	$86.8K	0.01%
Torren Management, LLC	936	$60.4K	0.03%
DV Trading LLC	499	$32.2K	0.00%
Los Angeles Capital Management LLC	330	$19.8K	0.00%
Eurizon Capital SGR S.p.A.	198	$12.8K	0.00%
Brown Brothers Harriman & Co	150	$9.68K	0.00%
Tucker Asset Management LLC	131	$8.46K	0.00%
Pinnacle Wealth Planning Services, Inc.	81	$5.23K	0.00%
SageView Advisory Group, LLC	50	$3.23K	0.00%
Strive Financial Group ,LLC	31	$2.00K	0.00%
Keating Financial Advisory Services, Inc.	20	$1.29K	0.00%
Cornerstone Financial Management LLC	17	$1.10K	0.00%
International Assets Investment Management, LLC	10	$645	0.00%
Manchester Capital Management LLC	4	$259	0.00%
Godfrey Financial Associates, Inc.	4	$258	0.00%
American Capital Advisory, LLC	2	$130	0.00%
Hughes Financial Services, LLC	2	$129	0.00%
Dunhill Financial, LLC	1	$74	0.00%

Sold out (24)

Institutions that held NorthWestern Energy Group, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of NWE in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Boston Partners	525,581	$30.8M
Aventail Capital Group, LP	110,292	$6.46M
Voloridge Investment Management, LLC	42,989	$2.52M
Dark Forest Capital Management LP	31,776	$1.86M
Aristotle Capital Boston, LLC	31,699	$1.86M
Renaissance Technologies LLC	31,426	$1.84M
Natixis	25,822	$1.51M
Caxton Associates LLP	19,057	$1.12M
Marshall Wace, LLP	8,954	$524.8K
Henshaw Capital LLC	7,654	$448.6K
Bridgefront Capital, LLC	6,331	$371.1K
Quantbot Technologies LP	5,918	$346.9K
IFM Investors Pty Ltd	4,415	$256.2K
Brighton Jones LLC	4,322	$253.3K
Longboard Asset Management, LP	3,833	$224.7K
Principal Securities, Inc.	1,344	$78.8K
Wealthspire Advisors, LLC	775	$45.4K
Clear Street Markets LLC	283	$16.6K
Rise Advisors, LLC	279	$16.4K
Mather Group, LLC.	106	$6.21K
GWM Advisors LLC	62	$3.63K
Proffitt & Goodson Inc	14	$821
Simplex Trading, LLC	2	$0
Cloud Capital Management, LLC	9	$0

Not filed for Q4 2025 yet (4)

Institutions that held NorthWestern Energy Group, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding NWE in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
CIBC Bancorp USA Inc.	6,581	$385.7K
Shell Asset Management Co	1,345	$79.0K
Hemington Wealth Management	134	$7.00K
Guerra Advisors Inc	15	$889