Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in NWE held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 9.1M | $649.6M | +9.5% | 14.747% | 0.01% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.5M | $254.2M | +1.7% | 5.770% | 0.01% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2.8M | $199.8M | +0.3% | 4.536% | 0.00% |
| 4 | STATE STREET CORP | 2.4M | $174.1M | +4.1% | 3.953% | 0.00% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 1.8M | $128.1M | +5.6% | 2.908% | 0.01% |
| 6 | FRANKLIN RESOURCES INC | 1.6M | $113.3M | -2.5% | 2.571% | 0.02% |
| 7 | Neuberger Berman Group LLC | 1.4M | $97.3M | +6.5% | 2.207% | 0.03% |
| 8 | BALYASNY ASSET MANAGEMENT L.P. | 1.3M | $92.1M | +41.2% | 2.091% | 0.11% |
| 9 | AMERICAN CENTURY COMPANIES INC | 1.2M | $88.7M | -20.5% | 2.013% | 0.04% |
| 10 | SYSTEMATIC FINANCIAL MANAGEMENT LP | 1.1M | $80.4M | -0.9% | 1.824% | 1.60% |
| 11 | AQR Arbitrage LLC | 1.1M | $78.4M | +1.2% | 1.780% | 1.12% |
| 12 | MILLENNIUM MANAGEMENT LLC | 1.1M | $76.2M | -19.1% | 1.730% | 0.03% |
| 13 | GOLDMAN SACHS GROUP INC | 1.1M | $75.3M | -22.2% | 1.709% | 0.01% |
| 14 | DIMENSIONAL FUND ADVISORS LP | 1.0M | $74.2M | +1.2% | 1.684% | 0.01% |
| 15 | CITIGROUP INC | 1.0M | $73.3M | +38.6% | 1.664% | 0.02% |
| 16 | ALLIANCEBERNSTEIN L.P. | 1.1M | $70.0M | +30.0% | 1.726% | 0.02% |
| 17 | Hudson Bay Capital Management LP | 903K | $64.7M | +44.5% | 1.468% | 0.18% |
| 18 | FMR LLC | 861K | $61.7M | +12.0% | 1.400% | 0.00% |
| 19 | NORTHERN TRUST CORP | 825K | $59.1M | +1.8% | 1.341% | 0.01% |
| 20 | MORGAN STANLEY | 822K | $58.9M | +6.3% | 1.336% | 0.00% |
| 21 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 807K | $57.8M | -9.2% | 1.311% | 0.09% |
| 22 | River Road Asset Management, LLC | 797K | $57.1M | -20.8% | 1.296% | 0.63% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 786K | $56.3M | -3.1% | 1.278% | 0.01% |
| 24 | NORGES BANK | 781K | $55.9M | — | 1.269% | 0.01% |
| 25 | BANK OF AMERICA CORP /DE/ | 759K | $54.3M | -5.6% | 1.233% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in NWE — a direct measure of their conviction.
Filings activity in NWE during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new NWE position in Q2 2026
Institutions that fully closed their NWE position in Q2 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 374 | +1.9% | 95.65% | 1.47 pp | $4.11B | +7.1% |
| Q1 2026 | 367 | +4.6% | 97.12% | 0.06 pp | $3.84B | +2.9% |
| Q4 2025 | 351 | +8.3% | 97.18% | +3.48 pp | $3.73B | +14% |
| Q3 2025 | 324 | 2.4% | 93.70% | 3.86 pp | $3.26B | +8.9% |
| Q2 2025 | 332 | 2.4% | 97.56% | +2.58 pp | $2.99B | 8.0% |
| Q1 2025 | 340 | +9.0% | 94.98% | 2.75 pp | $3.25B | +4.9% |
| Q4 2024 | 312 | +3.3% | 97.73% | +3.22 pp | $3.10B | 2.9% |
| Q3 2024 | 302 | — | 94.51% | — | $3.19B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying NWE stock.
Based on Q2 2026 13F filings, institutional ownership of Northwestern Energy Group Inc stands at 95.7%, held across 374 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of NWE, with approximately 9,070,752 shares worth $0.65B as of Q2 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of NWE, including MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for NWE is 40 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
34 institutions opened new positions in NWE during Q2 2026, while 29 fully exited. 251 added to existing positions and 79 trimmed.
NWE institutional ownership fell by 1.47 percentage points quarter-over-quarter, with a net change of +7 holders.
The top 10 institutions account for 45.7% of all reported 13F value in NWE, and the top 25 account for 69.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Northwestern Energy Group Inc (NWE) Institutional Ownership