Northwestern Energy Group Inc (NWE) ownership: Top institutional holder: BlackRock, Inc. ($546.08M). Insider activity: Net Seller (6 buys, 14 sells). 3 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 8281530.00 | $546.08M | 2026-03-31 |
| VANGUARD GROUP INC | 6667340.00 | $430.31M | 2025-12-31 |
| BlackRock Fund Advisors | 5840033.00 | $332.12M | 2016-12-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3489737.00 | $230.11M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2782707.00 | $183.49M | 2026-03-31 |
| STATE STREET CORP | 2335081.00 | $153.98M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 1694354.00 | $111.75M | 2026-03-31 |
| FRANKLIN RESOURCES INC | 1621967.00 | $106.95M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-11 | |
| Sell | null | 2026-05-11 | |
| Sell | null | 2026-04-07 | |
| Sell | null | 2026-04-07 | |
| Sell | null | 2026-04-07 | |
| Sell | null | 2026-04-07 | |
| Sell | null | 2026-04-07 | |
| Sell | null | 2026-04-07 |
Back to NWE overview · NWE earnings · All congressional trades
Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.