6 institutions reported holding $1.5M of Northwestern Energy Group Inc (NWE) in SEC 13F filings for 2026-06-30. Largest institutional holders: Hennion & Walsh Asset Management, Inc. ($1.2M), GAMMA Investing LLC ($285,119), Versant Capital Management, Inc ($28,863), MassMutual Private Wealth & Trust, FSB ($4,154), Arlington Trust Co LLC ($788). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Hennion & Walsh Asset Management, Inc. | $1.2M | 16,650 | Trimmed |
| 2 | GAMMA Investing LLC | $285,119 | 3,981 | Added |
| 3 | Versant Capital Management, Inc | $28,863 | 403 | Hold |
| 4 | MassMutual Private Wealth & Trust, FSB | $4,154 | 58 | Hold |
| 5 | Arlington Trust Co LLC | $788 | 11 | Hold |
| 6 | CANANDAIGUA NATIONAL BANK & TRUST CO | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30