NorthWestern Energy
Regulated electric and gas utility serving Montana, South Dakota, Nebraska and Yellowstone.
$70.32
After-hours close−0.01 (−0.01%)
At close$70.33(−0.96%)
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Breakdown13F · Form 4
Institutions 105.07%Insiders 0.87%
A 13F quarter can total more than the shares outstanding — sub-advisers file the same block twice, and a filer's own share count can be a quarter stale. No split is drawn from it.
Shares outstanding 61.52M · Float 61.11M · 99.3% free float
Institutions13F, as of Jun 30, 2026
378 holders · 64.63M shares · 40 new positions · 170 increased · 134 reduced · 35 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 9.07M | 14.74% | +789.2K | Aug 7, 2026 |
| Vanguard Portfolio Management LLC | 3.55M | 5.77% | +59.0K | Aug 13, 2026 |
| Vanguard Capital Management LLC | 2.79M | 4.54% | +7.4K | Aug 13, 2026 |
| State Street Corp | 2.43M | 3.95% | +96.5K | Aug 7, 2026 |
| Geode Capital Management, LLC | 1.79M | 2.91% | +94.5K | Aug 12, 2026 |
| Franklin Resources Inc | 1.58M | 2.57% | −40.4K | Aug 13, 2026 |
| Neuberger Berman Group LLC | 1.36M | 2.21% | +83.0K | Aug 13, 2026 |
| Balyasny Asset Management L.P. | 1.29M | 2.09% | +375.3K | Aug 14, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 13.00% | 7.98M | 13G | Apr 3, 2025 ↗ |
| Vanguard Portfolio Management | 5.71% | 3.51M | 13G | Apr 29, 2026 ↗ |
| Vanguard Capital Management | 5.32% | 3.27M | 13G | Apr 30, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Brian B. Bird | director, officer: President and CEO | 218.0K | 0.35% | Mar 2, 2026 |
| John D. Hines | officer: VP - Energy Supply & MT Gov | 42.0K | 0.07% | Mar 3, 2026 |
| Bobbi L. Schroeppel | officer: VP - HR, Cust Care, Corp Comm | 38.5K | 0.06% | Mar 2, 2026 |
| Crystal Dawn Lail | officer: VP and CFO | 35.1K | 0.06% | Mar 2, 2026 |
| Linda G. Sullivan | director | 34.6K | 0.06% | Jul 13, 2026 |
| Michael R. Cashell | officer: VP - Transmission | 27.3K | 0.04% | Mar 2, 2026 |
| Jeffrey W. Yingling | director | 24.3K | 0.04% | Aug 5, 2026 |
| Mahvash Yazdi | director | 22.9K | 0.04% | Jul 13, 2026 |
| Britt E. Ide | director | 15.6K | 0.03% | Jul 13, 2026 |
| Jeanne Vold | officer: VP - Technology | 14.2K | 0.02% | Mar 2, 2026 |
2 ten-percent owners hold 40.2K shares by Form 4, outside the officers-and-directors figure above · 19 people have not refiled in the last 18 months (792.4K shares), so they are not in the figure above
Latest trades
No open-market trades in the last 12 months.
CongressHouse and Senate disclosures
Not reported.