Security key
668074305
NorthWestern Energy Group, Inc. - Common Stock (NWE)
CUSIP: 668074305
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 57,546,654
- Total 13F value
- $3,372,712,634
- Share change
- -2,913,352
- SEC-reported price per share
- $58.61
- Number of holders
- 324
- Value change
- -$156,260,859
- Number of buys
- 172
- Number of sells
- 165
- Shares outstanding
- 61,540,789
Holder snapshot
6 signals
Security identity
1 source field
Report period
Q3 2025
Institutions
324
Top holders
10
NWE full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Previous quarter: Q2 2025
NorthWestern Energy Group, Inc. SEC filings
NorthWestern Energy Group, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 668074305
Recent filing periods:
Ownership snapshot
Top reported holders of NWE - NorthWestern Energy Group, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
30 Jun 2025
13D/G
13F
Lead comparable stake: 13%
13D/G row: BlackRock, Inc.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 13%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Comparable ownership
Top 5
BlackRock, Inc.
13%
AMERICAN CENTURY INVESTMENT MANAG...
4.8%
VANGUARD GROUP INC
11%
AMERICAN CENTURY COMPANIES INC
4.8%
STATE STREET CORP
4.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
13F
Company
|
13%
|
$469,076,647
7,977,494 shares
|
-$183,534,968 | 31 Mar 2025 |
| AMERICAN CENTURY INVESTMENT MANAGEMENT INC |
13D/G
|
4.8%
|
$151,448,578
2,952,214 shares
|
-$33,749,295 | 30 Jun 2025 |
| VANGUARD GROUP INC |
13F
Company
|
11%
|
$356,587,019
6,951,014 shares
|
— | 30 Jun 2025 |
| AMERICAN CENTURY COMPANIES INC |
13F
Company
|
4.8%
|
$151,448,725
2,952,214 shares
|
— | 30 Jun 2025 |
| STATE STREET CORP |
13F
Company
|
4.2%
|
$133,097,081
2,594,485 shares
|
— | 30 Jun 2025 |
| River Road Asset Management, LLC |
13F
Company
|
3.7%
|
$123,464,516
2,299,153 shares
|
— | 30 Jun 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
324
Shares
57,546,654
Rows available
324
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
333
Q3 2025 holders
324
Holder diff
-9
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend