Grantham, Mayo, Van Otterloo & Co. LLC
Position in NWE — NorthWestern Energy Group, Inc.
CIK 1352662
Boston, MA
Position in NWE
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$44,627,281
+$8,621,865 QoQ
Shares Held
623,112
+14.1% QoQ
Ownership
1.01%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
#28
of 374 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in NWE Over Time
Shares Held
Position Value (USD)
Position in Utilities - Regulated Electric
Utilities · as of Jun 30, 2026Grantham, Mayo, Van Otterloo & Co. LLC holds $152,708,397 across 13 Utilities - Regulated Electric names. NWE ranks #1 (29.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NWE |
NorthWestern Energy Group, Inc.
This page
|
623,112 | $44,627,281 | |
| 2 | TXNM |
Txnm Energy Inc
|
688,984 | $39,120,511 | |
| 3 | EIX |
Edison International
|
292,508 | $21,777,220 | |
| 4 | NEE |
Nextera Energy Inc
|
219,451 | $19,261,214 | |
| 5 | EXC |
Exelon Corp
|
164,089 | $7,649,829 | |
| 6 | ED |
Consolidated Edison Inc
|
60,451 | $6,687,694 | |
| 7 | ES |
Eversource Energy
|
71,900 | $5,196,213 | |
| 8 | CIG |
Energy Co Of Minas Gerais
|
900,216 | $1,890,453 |
All Filings in NWE
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $44,627,281 | 623,112 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $36,005,416 | 546,033 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $31,191,601 | 483,291 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $3,440,289 | 58,698 | Shares | Sole | 2025-11-13 | |
| No filing history on record for this holder in this stock. | ||||||