Who owns NorthWestern Energy Group, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of NWE from SEC Form 13F filings across 374 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 374 institutions disclosed 58.9M shares of NorthWestern Energy Group, Inc. worth $4.21B — about 95.7% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
374
13F holders
$4.21B
value, 2026 filers
95.7%
of shares outstanding (58.9M sh)
41
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of NWE's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 9.1M | $649.6M | 0.0% | 14.7% | +9.5% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.5M | $254.2M | 0.0% | 5.8% | +1.7% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2.8M | $199.8M | 0.0% | 4.5% | +0.3% |
| 4 | STATE STREET CORP | 2.4M | $174.1M | 0.0% | 4% | +4.1% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 1.8M | $128.1M | 0.0% | 2.9% | +5.6% |
| 6 | FRANKLIN RESOURCES INC | 1.6M | $113.3M | 0.0% | 2.6% | -2.5% |
| 7 | NEUBERGER BERMAN GROUP LLC | 1.4M | $97.3M | 0.1% | 2.2% | +6.5% |
| 8 | Balyasny Asset Management L.P. | 1.3M | $92.1M | 0.1% | 2.1% | +41.2% |
| 9 | AMERICAN CENTURY COMPANIES INC | 1.2M | $88.7M | 0.0% | 2% | -20.5% |
| 10 | SYSTEMATIC FINANCIAL MANAGEMENT LP | 1.1M | $80.4M | 1.6% | 1.8% | -0.9% |
| 11 | AQR Arbitrage LLC | 1.1M | $78.4M | 1.1% | 1.8% | +1.2% |
| 12 | MILLENNIUM MANAGEMENT LLC | 1.1M | $76.2M | 0.0% | 1.7% | -19.0% |
| 13 | ALLIANCEBERNSTEIN L.P. | 1.1M | $70.0M | 0.0% | 1.7% | +30.0% |
| 14 | GOLDMAN SACHS GROUP INC | 1.1M | $75.3M | 0.0% | 1.7% | -22.2% |
| 15 | DIMENSIONAL FUND ADVISORS LP | 1.0M | $74.2M | 0.0% | 1.7% | +1.2% |
| 16 | CITIGROUP INC | 1.0M | $73.3M | 0.0% | 1.7% | +38.6% |
| 17 | Hudson Bay Capital Management LP | 903,026 | $64.7M | 0.2% | 1.5% | +44.5% |
| 18 | FMR LLC | 861,126 | $61.7M | 0.0% | 1.4% | +12.0% |
| 19 | NORTHERN TRUST CORP | 824,542 | $59.1M | 0.0% | 1.3% | +1.9% |
| 20 | MORGAN STANLEY | 821,726 | $58.9M | 0.0% | 1.3% | +6.3% |
| 21 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 806,508 | $57.8M | 0.1% | 1.3% | -9.2% |
| 22 | River Road Asset Management, LLC | 796,943 | $57.1M | 0.6% | 1.3% | -20.8% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 786,289 | $56.3M | 0.0% | 1.3% | -3.1% |
| 24 | NORGES BANKNEW | 780,561 | $55.9M | 0.0% | 1.3% | new |
| 25 | BANK OF AMERICA CORP /DE/ | 758,501 | $54.3M | 0.0% | 1.2% | -5.6% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.