Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
360 institutional managers reported holding NWE for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 45%. 47 opened new positions; 38 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 8.28M | 13.44% | $545.5M | trimmed -3.9% | ≤2013 |
| Vanguard Group | 6.80M | 11.03% | $447.8M | added +1.8% | ≤2013 |
| State Street | 2.34M | 3.79% | $153.8M | trimmed -11.5% | ≤2013 |
| AQR Capital | 1.74M | 2.82% | $114.6M | added +26.4% | ≤2013 |
| Geode Capital | 1.69M | 2.75% | $111.6M | added +4% | ≤2013 |
| Franklin Resources | 1.62M | 2.63% | $106.8M | added +12.9% | 2014 Q4 |
| American Century Companies INC | 1.56M | 2.53% | $102.6M | trimmed -23.6% | 2013 Q3 |
| Goldman Sachs | 1.35M | 2.19% | $89.0M | added +105.5% | ≤2013 |
| Millennium Management | 1.31M | 2.13% | $86.6M | added +42.8% | 2015 Q3 |
| Neuberger Berman Group LLC | 1.27M | 2.07% | $84.0M | added +1.2% | 2023 Q3 |
| UBS | 1.13M | 1.84% | $74.6M | added +19.9% | ≤2013 |
| Systematic Financial Management LP | 1.13M | 1.84% | $74.6M | trimmed -2.4% | ≤2013 |
| Dimensional Fund Advisors | 1.02M | 1.66% | $67.4M | added +0.6% | ≤2013 |
| River Road Asset Management, LLC | 1.01M | 1.63% | $66.3M | trimmed -20.4% | 2023 Q1 |
| Balyasny Asset Management | 910.6k | 1.48% | $60.0M | trimmed -9.5% | 2017 Q3 |
| Nomura Asset Management International INC. | 888.0k | 1.44% | $58.5M | trimmed -13.4% | 2025 Q4 |
| AllianceBernstein | 816.3k | 1.32% | $53.8M | added +5.2% | ≤2013 |
| Charles Schwab Investment Management | 811.7k | 1.32% | $53.5M | added +0.6% | ≤2013 |
| Northern Trust | 809.6k | 1.31% | $53.3M | added +5.9% | ≤2013 |
| Bank OF America CORP /DE/ | 803.5k | 1.30% | $52.9M | added +4.8% | ≤2013 |
| Qube Research & Technologies LTD | 794.4k | 1.29% | $52.3M | added +104.4% | 2024 Q2 |
| Morgan Stanley | 773.2k | 1.25% | $50.9M | trimmed -8.6% | ≤2013 |
| FMR (Fidelity) | 768.6k | 1.25% | $50.6M | trimmed -31.7% | 2018 Q3 |
| BNY Mellon | 754.6k | 1.22% | $49.7M | trimmed -2.6% | ≤2013 |
| Citigroup INC | 738.6k | 1.20% | $48.7M | added +53% | ≤2013 |
| Caxton Associates LLP | 657.3k | 1.07% | $43.3M | opened | 2025 Q3 |
| First Trust Advisors LP | 630.0k | 1.02% | $41.5M | trimmed -3.1% | ≤2013 |
| Hudson Bay Capital | 625.0k | 1.01% | $41.2M | added +25.1% | 2025 Q4 |
| Gw&k Investment Management, LLC | 579.6k | 0.94% | $38.2M | trimmed -2.4% | ≤2013 |
| GAMCO (Gabelli) | 548.7k | 0.89% | $36.1M | unchanged | ≤2013 |
| Grantham, Mayo, Van Otterloo & CO. LLC | 546.0k | 0.89% | $36.0M | added +13% | 2025 Q3 |
| MFS Investment Management | 540.6k | 0.88% | $35.6M | trimmed -5% | 2023 Q3 |
| Nuveen | 487.0k | 0.79% | $32.1M | trimmed -3.1% | 2019 Q2 |
| Fuller & Thaler Asset Management, INC. | 484.4k | 0.79% | $31.9M | trimmed -3.7% | 2021 Q1 |
| ProShare Advisors LLC | 484.4k | 0.79% | $31.9M | trimmed -24.9% | ≤2013 |
| Raymond James Financial INC | 455.6k | 0.74% | $30.0M | added +2.2% | 2021 Q2 |
| William Blair Investment Management, LLC | 426.5k | 0.69% | $28.1M | added +3.2% | 2021 Q2 |
| Victory Capital Management INC | 407.1k | 0.66% | $26.8M | trimmed -2.4% | 2013 Q3 |
| Man Group | 399.8k | 0.65% | $26.3M | opened | 2026 Q1 |
| Invesco | 354.0k | 0.57% | $23.3M | trimmed -39.5% | ≤2013 |
| Westwood Holdings Group INC | 351.9k | 0.57% | $23.2M | trimmed -55.3% | 2019 Q1 |
| Deutsche Bank AG\ | 317.7k | 0.52% | $20.9M | added +51.1% | 2013 Q3 |
| Fort Baker Capital Management LP | 313.0k | 0.51% | $20.6M | opened | 2026 Q1 |
| MetLife Investment Management, LLC | 304.5k | 0.49% | $20.1M | added +5.5% | 2017 Q4 |
| Highbridge Capital Management LLC | 287.3k | 0.47% | $18.9M | opened | 2026 Q1 |
| JPMorgan Chase | 287.3k | 0.47% | $18.9M | added +17.9% | ≤2013 |
| Adage Capital Partners GP, L.l.c. | 276.0k | 0.45% | $18.2M | trimmed -66% | 2025 Q4 |
| Mirae Asset Global Etfs Holdings LTD. | 275.2k | 0.45% | $18.1M | trimmed -14.1% | 2022 Q2 |
| Gamco Investors, INC. et al | 274.4k | 0.45% | $18.1M | unchanged | ≤2013 |
| Legal & General Group PLC | 270.3k | 0.44% | $17.8M | trimmed -8.3% | ≤2013 |
Largest 50 of 360 shown; the full ranked, searchable register is at boothcheck.com/holders/NWE. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.