NorthWestern Energy Group, Inc.
Total Trades
18
Buys
1
Sells
17
Largest Trade
$100K–$500K
Insiders
7
Institutional Funds
302
Inst. Value
$1M+
Activist Filings
15
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Cashell Michael R | VP - Transmission | SELL | $100K–$500K | 2K | $58.03 | May 2, 2025 |
| Ide Britt E | Director | SELL | $15K–$50K | 702 | $54.32 | Feb 26, 2025 |
| Ide Britt E | Director | SELL | $15K–$50K | 687 | $51.30 | May 3, 2024 |
| Schroeppel Bobbi L | VP - HR | SELL | $50K–$100K | 1K | $50.75 | May 1, 2024 |
| Ide Britt E | Director | SELL | $15K–$50K | 687 | $48.24 | Feb 27, 2024 |
| YAZDI MAHVASH | Director | BUY | $15K–$50K | 1K | $48.80 | Feb 21, 2024 |
| Ide Britt E | Director | SELL | $50K–$100K | 1K | $58.65 | May 17, 2023 |
| HORSFALL JAN ROBERT | Director | SELL | $100K–$500K | 3K | $57.26 | Mar 7, 2023 |
| Ide Britt E | Director | SELL | $50K–$100K | 2K | $57.67 | Feb 23, 2023 |
| Schroeppel Bobbi L | VP HR, CC & Comm | SELL | $15K–$50K | 900 | $53.31 | Nov 14, 2022 |
| BIRD BRIAN B | President and COO | SELL | $100K–$500K | 7K | $52.51 | Nov 4, 2022 |
| Cashell Michael R | Vice President - T… | SELL | $50K–$100K | 2K | $53.19 | Oct 28, 2022 |
| Rowe Robert C | CEO | SELL | $100K–$500K | 4K | $54.01 | Sep 15, 2022 |
| Rowe Robert C | CEO | SELL | $100K–$500K | 4K | $55.82 | Jun 15, 2022 |
| Rowe Robert C | CEO | SELL | $100K–$500K | 2K | $61.64 | Mar 7, 2022 |
| Ide Britt E | Director | SELL | $100K–$500K | 3K | $59.85 | Feb 28, 2022 |
| HORSFALL JAN ROBERT | Director | SELL | $100K–$500K | 2K | $58.48 | Feb 23, 2022 |
| Rowe Robert C | CEO | SELL | $100K–$500K | 3K | $57.59 | Feb 15, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 302 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| STATE STREET CORP | 2.6M | $1M+ | SH |
| AMERICAN CENTURY COMPANIES INC | 2.0M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.4M | $1M+ | SH |
| River Road Asset Management, LLC | 1.3M | $1M+ | SH |
| Neuberger Berman Group LLC | 1.2M | $1M+ | SH |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1.0M | $1M+ | SH |
| BALYASNY ASSET MANAGEMENT L.P. | 1.0M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 943K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 807K | $1M+ | SH |
| WESTWOOD HOLDINGS GROUP INC | 787K | $1M+ | SH |
| NORGES BANK | 779K | $1M+ | SH |
| ALLIANCEBERNSTEIN L.P. | 776K | $1M+ | SH |
| FIRST TRUST ADVISORS LP | 650K | $1M+ | SH |
| ProShare Advisors LLC | 645K | $1M+ | SH |
| AQR Arbitrage LLC | 607K | $1M+ | SH |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 569K | $1M+ | SH |
| GW&K Investment Management, LLC | 552K | $1M+ | SH |
| GABELLI FUNDS LLC | 549K | $1M+ | SH |
| FULLER & THALER ASSET MANAGEMENT, INC. | 503K | $1M+ | SH |
| FULLER & THALER ASSET MANAGEMENT, INC. | 503K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
American Century Investment Management, Inc.
SC 13G/A · Aug 14, 2025
4.8%
3.0M shares
SC 13G/A · Apr 3, 2025
13.0%
8.0M shares
American Century Investment Management, Inc.
SC 13G/A · Feb 14, 2025
5.9%
3.6M shares
SC 13G/A · Feb 5, 2025
18.1%
11.1M shares
SC 13G/A · Nov 8, 2024
16.2%
9.9M shares
SC 13G/A · Oct 18, 2024
16.2%
9.9M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
11.1%
6.8M shares
SC 13G/A · Jan 22, 2024
15.0%
9.2M shares
SC 13G/A · Jan 22, 2024
15.0%
9.2M shares
T. ROWE PRICE ASSOCIATES, INC. 52-0556948
SC 13G/A · Feb 14, 2023
0.2%
117K shares
SC 13G/A · Jan 23, 2023
15.2%
8.8M shares
T. ROWE PRICE ASSOCIATES, INC. 52-0556948
SC 13G · Feb 14, 2022
5.2%
2.8M shares
SC 13G/A · Jan 27, 2022
16.2%
8.8M shares
SC 13G · Jan 25, 2022
16.2%
8.8M shares