NORTHWESTERN ENERGY GROUP IN (NWE) Top Institutional Shareholders
NORTHWESTERN ENERGY GROUP IN (NWE) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $3.83B in NWE holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of NWE tracked by InsiderSet, reporting ownership valued at approximately $546.08M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $573.41M, representing an estimated gain of +5.00% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 44% of the total disclosed NWE value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in NORTHWESTERN ENERGY GROUP IN (NWE).
This page ranks the largest institutional NWE shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
368
Total Reported Value
$3.83B
Largest Holder
Blackrock, Inc.
Largest Position
$546.08M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
54
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 8,281,530 | $546,084,060 | $573,413,137 | +$27,329,077 | +5.00% | |
| Vanguard Portfolio Management Llc | 0.01% | 3,489,737 | $230,113,258 | $241,629,390 | +$11,516,132 | +5.00% | |
| Vanguard Capital Management Llc | 0.00% | 2,782,707 | $183,491,700 | $192,674,633 | +$9,182,933 | +5.00% | |
| State Street Corp | 0.01% | 2,335,081 | $153,975,241 | $161,681,008 | +$7,705,767 | +5.00% | |
| Geode Capital Management, Llc | 0.01% | 1,694,354 | $111,750,665 | $117,317,071 | +$5,566,406 | +4.98% | |
| Franklin Resources Inc | 0.03% | 1,621,967 | $106,952,505 | $112,304,995 | +$5,352,490 | +5.00% | |
| American Century Companies Inc | 0.05% | 1,557,867 | $102,725,842 | $107,866,711 | +$5,140,869 | +5.00% | |
| Goldman Sachs Group Inc | 0.01% | 1,350,902 | $89,078,464 | $93,536,454 | +$4,457,990 | +5.00% | |
| Millennium Management Llc | 0.06% | 1,314,488 | $86,677,339 | $91,015,149 | +$4,337,810 | +5.00% | |
| Neuberger Berman Group Llc | 0.06% | 1,274,526 | $84,035,723 | $88,248,180 | +$4,212,457 | +5.01% | |
| Systematic Financial Management Lp | 1.71% | 1,132,065 | $74,648,417 | $78,384,181 | +$3,735,764 | +5.00% | |
| Aqr Arbitrage Llc | 1.17% | 1,081,947 | $71,343,585 | $74,914,010 | +$3,570,425 | +5.00% | |
| Dimensional Fund Advisors Lp | 0.01% | 1,023,230 | $67,471,854 | $70,848,445 | +$3,376,591 | +5.00% | |
| River Road Asset Management, Llc | 0.75% | 1,005,802 | $66,322,584 | $69,641,730 | +$3,319,146 | +5.00% | |
| Ubs Group Ag | 0.01% | 994,528 | $65,579,177 | $68,861,119 | +$3,281,942 | +5.00% | |
| Balyasny Asset Management L.P. | 0.12% | 910,560 | $60,042,326 | $63,047,174 | +$3,004,848 | +5.00% | |
| Nomura Asset Management International Inc. | 0.10% | 887,975 | $58,553,000 | $61,483,389 | +$2,930,389 | +5.00% | |
| Charles Schwab Investment Management Inc | 0.01% | 811,675 | $53,521,850 | $56,200,377 | +$2,678,527 | +5.00% | |
| Northern Trust Corp | 0.01% | 809,560 | $53,382,387 | $56,053,934 | +$2,671,547 | +5.00% | |
| Bank Of America Corp | 0.00% | 803,467 | $52,980,647 | $55,632,055 | +$2,651,408 | +5.00% | |
| Alliancebernstein L.P. | 0.02% | 816,313 | $52,684,841 | $56,521,512 | +$3,836,671 | +7.28% | |
| Qube Research & Technologies Ltd | 0.07% | 794,418 | $52,383,923 | $55,005,502 | +$2,621,579 | +5.00% | |
| Morgan Stanley | 0.00% | 773,201 | $50,985,026 | $53,536,437 | +$2,551,411 | +5.00% | |
| Fmr Llc | 0.00% | 768,628 | $50,683,310 | $53,219,803 | +$2,536,493 | +5.00% | |
| Bank Of New York Mellon Corp | 0.01% | 754,559 | $49,755,651 | $52,245,665 | +$2,490,014 | +5.00% | |
| Citigroup Inc | 0.03% | 738,638 | $48,705,790 | $51,143,295 | +$2,437,505 | +5.00% | |
| Aqr Capital Management Llc | 0.02% | 657,706 | $43,369,153 | $45,539,563 | +$2,170,410 | +5.00% | |
| Caxton Associates Llp | 1.01% | 657,262 | $43,339,856 | $45,508,821 | +$2,168,965 | +5.00% | |
| First Trust Advisors Lp | 0.03% | 629,994 | $41,541,798 | $43,620,785 | +$2,078,987 | +5.00% | |
| Hudson Bay Capital Management Lp | 0.26% | 625,009 | $41,213,093 | $43,275,623 | +$2,062,530 | +5.00% | |
| Gabelli Funds Llc | 0.24% | 548,700 | $36,181,278 | $37,991,988 | +$1,810,710 | +5.00% | |
| Grantham, Mayo, Van Otterloo & Co. Llc | 0.09% | 546,033 | $36,005,416 | $37,807,325 | +$1,801,909 | +5.00% | |
| Massachusetts Financial Services Co | 0.01% | 540,636 | $35,649,538 | $37,433,637 | +$1,784,099 | +5.00% | |
| Nuveen, Llc | 0.01% | 487,039 | $32,115,351 | $33,722,580 | +$1,607,229 | +5.00% | |
| Fuller & Thaler Asset Management, Inc. | 0.11% | 484,425 | $31,942,974 | $33,541,587 | +$1,598,613 | +5.00% | |
| Proshare Advisors Llc | 0.05% | 484,415 | $31,942,325 | $33,540,895 | +$1,598,570 | +5.00% | |
| Raymond James Financial Inc | 0.01% | 455,570 | $30,040,275 | $31,543,667 | +$1,503,392 | +5.00% | |
| William Blair Investment Management, Llc | 0.09% | 426,480 | $28,122,091 | $29,529,475 | +$1,407,384 | +5.00% | |
| Victory Capital Management Inc | 0.02% | 407,099 | $26,844,108 | $28,187,535 | +$1,343,427 | +5.00% | |
| Man Group Plc | 0.05% | 399,792 | $26,362,285 | $27,681,598 | +$1,319,313 | +5.00% | |
| Vanguard Fiduciary Trust Co | 0.01% | 396,911 | $26,172,311 | $27,482,118 | +$1,309,807 | +5.00% | |
| Invesco Ltd. | 0.00% | 353,961 | $23,340,189 | $24,508,260 | +$1,168,071 | +5.00% | |
| Westwood Holdings Group Inc | 0.17% | 351,913 | $23,205,143 | $24,366,456 | +$1,161,313 | +5.00% | |
| Deutsche Bank Ag\ | 0.01% | 317,712 | $20,949,929 | $21,998,379 | +$1,048,450 | +5.00% | |
| Fort Baker Capital Management Lp | 1.83% | 313,027 | $20,641,001 | $21,673,989 | +$1,032,988 | +5.00% | |
| Metlife Investment Management, Llc | 0.10% | 304,502 | $20,078,862 | $21,083,718 | +$1,004,856 | +5.00% | |
| Highbridge Capital Management Llc | 1.20% | 287,318 | $18,914,144 | $19,893,898 | +$979,754 | +5.18% | |
| Jpmorgan Chase & Co | 1.20% | 287,318 | $18,914,144 | $19,893,898 | +$979,754 | +5.18% | |
| Adage Capital Partners Gp, L.L.C. | 0.03% | 276,004 | $18,199,704 | $19,110,517 | +$910,813 | +5.00% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.02% | 275,165 | $18,144,380 | $19,052,425 | +$908,045 | +5.00% |
Frequently asked questions about NWE
Who owns the most NWE stock?
The largest holders of NWE are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for NORTHWESTERN ENERGY GROUP IN (NWE).
Is NWE widely held by superinvestors?
Many widely followed stocks like NWE appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly NWE is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.