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NorthWestern Energy

370 hedge funds and large institutions have $3.94B invested in NorthWestern Energy in 2026 Q1 according to their latest regulatory filings, with 53 funds opening new positions, 134 increasing their positions, 121 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

89% more first-time investments, than exits

New positions opened: 53 | Existing positions closed: 28

11% more repeat investments, than reductions

Existing positions increased: 134 | Existing positions reduced: 121

4% more funds holding

Funds holding: 357370 (+13)

2% more capital invested

Capital invested by funds: $3.86B → $3.94B (+$81.9M)

0% more funds holding in top 10

Funds holding in top 10: 33 (0)

0.17% less ownership

Funds ownership: 97.35%97.18% (-0.17%)

Holders
370
Holders Change
+13
Holders Change %
+3.64%
% of All Funds
4.55%
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.04%
New
53
Increased
134
Reduced
121
Closed
28
Calls
$1.12M
Puts
Net Calls
+$1.12M
Net Calls Change
+$637K
Name Holding Trade Value Shares
Change
Change in
Stake
SEI Investments
101
SEI Investments
Pennsylvania
$3.72M +$977K +14,427 +34%
WAM
102
Weiss Asset Management
Massachusetts
$3.71M +$1.75M +25,832 +85%
MC
103
Mathes Company
New York
$3.71M +$108K +1,600 +3%
Envestnet Asset Management
104
Envestnet Asset Management
Illinois
$3.69M +$654K +9,652 +21%
MSRPS
105
Maryland State Retirement & Pension System
Maryland
$3.63M -$176K -2,606 -5%
HA
106
Heartland Advisors
Wisconsin
$3.54M -$1.08M -15,940 -23%
Susquehanna International Group
107
Susquehanna International Group
Pennsylvania
$3.54M -$2.26M -33,339 -38%
MTCM
108
Mint Tower Capital Management
Netherlands
$3.46M +$3.39M +50,000 +2,064%
NSIM
109
North Star Investment Management
Illinois
$3.36M +$68 +1 +0%
VAM
110
Vanguard Asset Management
$3.12M +$3.2M +47,287 New
Manulife (Manufacturers Life Insurance)
111
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$3.09M -$279K -4,115 -8%
Wells Fargo
112
Wells Fargo
California
$3.08M -$3.04M -44,881 -49%
VIA
113
Vanguard Investments Australia
Australia
$3.08M +$3.16M +46,673 New
Nisa Investment Advisors
114
Nisa Investment Advisors
Missouri
$3.05M -$223K -3,299 -7%
Citadel Advisors
115
Citadel Advisors
Florida
$3.02M -$16.4M -242,313 -84%
IIM
116
INTECH Investment Management
Florida
$3.01M +$1.21M +17,803 +64%
BA
117
Bridgewater Associates
Connecticut
$2.93M -$5.37M -79,304 -64%
Macquarie Group
118
Macquarie Group
Australia
$2.7M +$441K +6,508 +19%
LSC
119
Lesa Sroufe & Co
Washington
$2.68M +$31.2K +461 +1%
SPS
120
Susquehanna Portfolio Strategies
Pennsylvania
$2.66M -$37.8K -559 -1%
AAM
121
Advisors Asset Management
Colorado
$2.64M -$2.79M -41,267 -51%
Creative Planning
122
Creative Planning
Kansas
$2.57M +$300K +4,431 +13%
Skandinaviska Enskilda Banken (SEB)
123
Skandinaviska Enskilda Banken (SEB)
Sweden
$2.26M +$1.64M +24,226 +242%
Bank of Montreal
124
Bank of Montreal
Ontario, Canada
$2.21M +$19.8K +293 +0.9%
DIM
125
DC Investments Management
Virginia
$2.17M