Grantham, Mayo, Van Otterloo & Co. LLC
Position in NWE — NorthWestern Energy Group, Inc.
CIK 1352662
Boston, MA
Position in NWE
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$36,005,416
+$4,813,815 QoQ
Shares Held
546,033
+13.0% QoQ
Ownership
0.888%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in NWE Over Time
Shares Held
Position Value (USD)
Position in Utilities - Regulated Electric
Utilities · as of Mar 31, 2026Grantham, Mayo, Van Otterloo & Co. LLC holds $100,018,240 across 10 Utilities - Regulated Electric names. NWE ranks #1 (36.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NWE |
NorthWestern Energy Group, Inc.
This page
|
546,033 | $36,005,416 | |
| 2 | TXNM |
Txnm Energy Inc
|
515,726 | $30,149,341 | |
| 3 | EIX |
Edison International
|
240,396 | $17,592,179 | |
| 4 | EXC |
Exelon Corp
|
147,679 | $7,239,224 | |
| 5 | CIG |
Energy Co Of Minas Gerais
|
717,492 | $1,714,805 | |
| 6 | EVRG |
Evergy, Inc.
|
20,654 | $1,691,975 | |
| 7 | DUK |
Duke Energy CORP
|
12,391 | $1,622,477 | |
| 8 | ED |
Consolidated Edison Inc
|
14,074 | $1,592,895 |
All Filings in NWE
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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. | ||||||