NWE · NorthWestern Energy Group, Inc. · Holdings
Market Cap
$4.34B
Shares
61.52M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 376
Total Value: $4,217,574,131
Total Shares: 58,888,232
Showing 1–100
of 378 holdings by value
· page 1 of 4
Institutional Ownership Trend
26 quarters
Superinvestors Holding NWE
All superinvestors →Holder Concentration
Across 376 13F filers · Δ vs Mar 31, 2026Top Holder
15.4%
+1.6 pts
Top 5
33.3%
+2.3 pts
Top 10
44.5%
+1.5 pts
HHI
401
Broadly held+49
Quarterly Activity
vs Mar 31, 2026
New
38
Increased
129
Decreased
135
Sold Out
35
Unchanged
74
Holder count:
+3
Institutional value:
+7.0%
Shares held:
-1.5%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega BlackRock, Inc. | +789,222 | 9,070,752 | |
| Large Balyasny Asset Management L.P. | +375,337 | 1,285,897 | |
| Mega CITIGROUP INC | +285,122 | 1,023,760 | |
| Large Hudson Bay Capital Management LP | +278,017 | 903,026 | |
| Large Verition Fund Management LLC | +251,608 | 280,664 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega Qube Research & Technologies Ltd | −427,084 | 367,334 | |
| Mega AQR CAPITAL MANAGEMENT LLC | −425,220 | 232,486 | |
| Mega VICTORY CAPITAL MANAGEMENT INC | −397,199 | 9,900 | |
| Mid CAXTON ASSOCIATES LLP | −345,090 | 312,172 | |
| Mega AMERICAN CENTURY COMPANIES INC | −319,599 | 1,238,268 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega NORGES BANK | 780,561 | $55,903,778 | |
| Large Schonfeld Strategic Advisors LLC | 498,960 | $35,735,515 | |
| Mid BW Gestao de Investimentos Ltda. | 83,862 | $6,006,196 | |
| Mega Jupiter Topco LLC | 76,104 | $5,450,568 | |
| Large Trexquant Investment LP | 51,015 | $3,653,694 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Large WESTWOOD HOLDINGS GROUP INC | 351,913 | $23,205,143 | |
| Mega JANE STREET GROUP, LLC | 218,101 | $14,381,579 | |
| Large ExodusPoint Capital Management, LP | 95,891 | $6,323,052 | |
| Mega JANUS HENDERSON GROUP PLC | 76,104 | $5,018,297 | |
| Large TUDOR INVESTMENT CORP ET AL | 64,187 | $4,232,490 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega BlackRock, Inc. | $649,647,252 | 15.40% | 9,070,752 | Shares | 2026-08-07 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC | $254,157,679 | 6.03% | 3,548,697 | Shares | 2026-08-13 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $199,829,540 | 4.74% | 2,790,136 | Shares | 2026-08-13 | |
| Mega STATE STREET CORP | $174,147,324 | 4.13% | 2,431,546 | Shares | 2026-08-07 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $128,121,017 | 3.04% | 1,788,900 | Shares | 2026-08-12 | |
| Mega FRANKLIN RESOURCES INC | $113,268,818 | 2.69% | 1,581,525 | Shares | 2026-08-13 | |
| Mega NEUBERGER BERMAN GROUP LLC | $97,223,147 | 2.31% | 1,357,486 | Shares | 2026-08-13 | |
| Large Balyasny Asset Management L.P. | $92,095,943 | 2.18% | 1,285,897 | Shares | 2026-08-14 | |
| Mega AMERICAN CENTURY COMPANIES INC | $88,684,754 | 2.10% | 1,238,268 | Shares | 2026-08-12 | |
| Mid SYSTEMATIC FINANCIAL MANAGEMENT LP | $80,354,488 | 1.91% | 1,121,956 | Shares | 2026-08-14 | |
| Mid AQR Arbitrage LLC | $78,411,867 | 1.86% | 1,094,832 | Shares | 2026-08-14 | |
| Mega MILLENNIUM MANAGEMENT LLC | $76,212,202 | 1.81% | 1,064,119 | Shares | 2026-08-14 | |
| Mega ALLIANCEBERNSTEIN L.P. | $76,017,969 | 1.80% | 1,061,407 | Shares | 2026-08-14 | |
| Mega GOLDMAN SACHS GROUP INC | $75,299,978 | 1.79% | 1,051,382 | Shares | 2026-08-14 | |
| Mega DIMENSIONAL FUND ADVISORS LP | $74,172,033 | 1.76% | 1,035,633 | Shares | 2026-08-11 | |
| Mega CITIGROUP INC | $73,321,689 | 1.74% | 1,023,760 | Shares | 2026-08-03 | |
| Large Hudson Bay Capital Management LP | $64,674,722 | 1.53% | 903,026 | Shares | 2026-08-14 | |
| Mega FMR LLC | $61,673,843 | 1.46% | 861,126 | Shares | 2026-08-13 | |
| Mega NORTHERN TRUST CORP Bank | $59,053,696 | 1.40% | 824,542 | Shares | 2026-08-13 | |
| Mega MORGAN STANLEY | $58,852,011 | 1.40% | 821,726 | Shares | 2026-08-13 | |
| Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | $57,762,102 | 1.37% | 806,508 | Shares | 2026-08-14 | |
| Mid River Road Asset Management, LLC | $57,077,057 | 1.35% | 796,943 | Shares | 2026-07-17 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $56,314,018 | 1.34% | 786,289 | Shares | 2026-08-14 | |
| Mega NORGES BANK Bank | $55,903,778 | 1.33% | 780,561 | Shares | 2026-08-12 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $54,323,838 | 1.29% | 758,501 | Shares | 2026-08-14 | |
| Mega Bank of New York Mellon Corp Bank | $53,280,978 | 1.26% | 743,940 | Shares | 2026-08-06 | |
| Mega UBS Group AG | $52,975,952 | 1.26% | 739,681 | Shares | 2026-08-13 | |
| Large Grantham, Mayo, Van Otterloo & Co. LLC | $44,627,281 | 1.06% | 623,112 | Shares | 2026-08-13 | |
| Large GW&K Investment Management, LLC | $40,961,912 | 0.97% | 571,934 | Shares | 2026-08-12 | |
| Mega FIRST TRUST ADVISORS LP | $40,297,279 | 0.96% | 562,654 | Shares | 2026-08-11 | |
| Large GABELLI FUNDS LLC | $38,617,504 | 0.92% | 539,200 | Shares | 2026-08-12 | |
| Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $36,794,273 | 0.87% | 513,743 | Shares | 2026-08-03 | |
| Mega Nuveen, LLC | $36,302,314 | 0.86% | 506,874 | Shares | 2026-08-11 | |
| Large Schonfeld Strategic Advisors LLC | $35,735,515 | 0.85% | 498,960 | Shares | 2026-08-14 | |
| Large ProShare Advisors LLC | $35,131,543 | 0.83% | 490,527 | Shares | 2026-08-11 | |
| Large FULLER & THALER ASSET MANAGEMENT, INC. | $33,455,707 | 0.79% | 467,128 | Shares | 2026-08-12 | |
| Mega RAYMOND JAMES FINANCIAL INC | $29,797,714 | 0.71% | 416,053 | Shares | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $29,411,970 | 0.70% | 410,667 | Shares | 2026-08-13 | |
| Mega Qube Research & Technologies Ltd | $26,308,461 | 0.62% | 367,334 | Shares | 2026-08-14 | |
| Mid HIGHBRIDGE CAPITAL MANAGEMENT LLC | $25,654,069 | 0.61% | 358,197 | Shares | 2026-08-14 | |
| Large WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | $24,098,124 | 0.57% | 336,472 | Shares | 2026-08-12 | |
| Mega Invesco Ltd. | $23,193,705 | 0.55% | 323,844 | Shares | 2026-08-14 | |
| Mid Fort Baker Capital Management LP | $22,781,892 | 0.54% | 318,094 | Shares | 2026-08-14 | |
| Mid CAXTON ASSOCIATES LLP | $22,357,758 | 0.53% | 312,172 | Shares | 2026-08-14 | |
| Large MetLife Investment Management, LLC | $22,140,964 | 0.52% | 309,145 | Shares | 2026-08-14 | |
| Mega JPMORGAN CHASE & CO | $21,849,540 | 0.52% | 305,076 | Shares | 2026-08-12 | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund | $20,526,721 | 0.49% | 286,606 | Shares | 2026-08-14 | |
| Large Verition Fund Management LLC | $20,101,155 | 0.48% | 280,664 | Shares | 2026-08-14 | |
| Large Squarepoint Ops LLC | $19,877,772 | 0.47% | 277,545 | Shares | 2026-08-14 | |
| Large GAMCO INVESTORS, INC. ET AL | $19,147,607 | 0.45% | 267,350 | Shares | 2026-08-12 | |
| Mega Legal & General Group Plc | $17,790,765 | 0.42% | 248,405 | Shares | 2026-08-14 | |
| Mega PRINCIPAL FINANCIAL GROUP INC | $17,021,996 | 0.40% | 237,671 | Shares | 2026-08-04 | |
| Mega AQR CAPITAL MANAGEMENT LLC | $16,650,643 | 0.39% | 232,486 | Shares | 2026-08-14 | |
| Large Man Group plc | $15,117,907 | 0.36% | 211,085 | Shares | 2026-08-14 | |
| Mid Magnetar Financial LLC | $14,815,026 | 0.35% | 206,856 | Shares | 2026-08-14 | |
| Mega RHUMBLINE ADVISERS | $14,644,929 | 0.35% | 204,481 | Shares | 2026-08-12 | |
| Large STATE OF WISCONSIN INVESTMENT BOARD | $13,644,254 | 0.32% | 190,509 | Shares | 2026-08-14 | |
| Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $13,127,874 | 0.31% | 183,299 | Shares | 2026-08-13 | |
| Mega D. E. Shaw & Co., Inc. | $10,437,110 | 0.25% | 145,729 | Shares | 2026-08-14 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $9,911,702 | 0.24% | 138,393 | Shares | 2026-08-13 | |
| Mega Russell Investments Group, Ltd. | $9,339,961 | 0.22% | 130,410 | Shares | 2026-08-06 | |
| Large New York Life Investment Management LLC | $9,189,490 | 0.22% | 128,309 | Shares | 2026-08-10 | |
| Large ADAGE CAPITAL PARTNERS GP, L.L.C. | $9,093,949 | 0.22% | 126,975 | Shares | 2026-08-14 | |
| Mega Swiss National Bank Bank | $8,836,690 | 0.21% | 123,383 | Shares | 2026-08-11 | |
| Mid Polar Asset Management Partners Inc. | $8,797,371 | 0.21% | 122,834 | Shares | 2026-08-14 | |
| Large COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $8,337,642 | 0.20% | 116,415 | Shares | 2026-07-17 | |
| Large MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC | $8,123,068 | 0.19% | 113,419 | Shares | 2026-08-11 | |
| Mid Yaupon Capital Management LP | $7,887,582 | 0.19% | 110,131 | Shares | 2026-08-14 | |
| Large LMR Partners LLP | $7,416,393 | 0.18% | 103,552 | Shares | 2026-08-14 | |
| Small First PREMIER Bank Bank | $7,284,899 | 0.17% | 101,716 | Shares | 2026-07-15 | |
| Mega AMERIPRISE FINANCIAL INC | $7,150,182 | 0.17% | 99,835 | Shares | 2026-08-14 | |
| Large HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | $7,028,930 | 0.17% | 98,142 | Shares | 2026-08-14 | |
| Mid Ancora Advisors LLC | $7,003,361 | 0.17% | 97,785 | Shares | 2026-08-14 | |
| Mid South Dakota Investment Council | $6,598,851 | 0.16% | 92,137 | Shares | 2026-08-11 | |
| Small Kintayl Capital LP | $6,398,674 | 0.15% | 89,342 | Shares | 2026-08-14 | |
| Mid Weiss Asset Management LP | $6,268,039 | 0.15% | 87,518 | Shares | 2026-08-14 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | $6,048,237 | 0.14% | 84,449 | Shares | 2026-08-14 | |
| Large CANADA LIFE ASSURANCE Co Insurance | $6,015,148 | 0.14% | 83,987 | Shares | 2026-08-13 | |
| Mid BW Gestao de Investimentos Ltda. | $6,006,196 | 0.14% | 83,862 | Shares | 2026-08-14 | |
| Large Cerity Partners LLC | $5,748,506 | 0.14% | 80,264 | Shares | 2026-08-14 | |
| Mega DEUTSCHE BANK AG\ Bank | $5,619,805 | 0.13% | 78,467 | Shares | 2026-08-07 | |
| Mid CONNING INC. | $5,520,183 | 0.13% | 77,076 | Shares | 2026-07-30 | |
| Large FIRST MANHATTAN CO. LLC. | $5,513,450 | 0.13% | 76,982 | Shares | 2026-08-14 | |
| Mega Jupiter Topco LLC | $5,450,568 | 0.13% | 76,104 | Shares | 2026-08-14 | |
| Large COMMONWEALTH EQUITY SERVICES, LLC | $5,135,512 | 0.12% | 71,705 | Shares | 2026-07-29 | |
| Mega CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension | $5,037,679 | 0.12% | 70,339 | Shares | 2026-08-24 | |
| Large Public Sector Pension Investment Board Pension | $5,026,005 | 0.12% | 70,176 | Shares | 2026-08-13 | |
| Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM Pension | $4,887,921 | 0.12% | 68,248 | Shares | 2026-07-23 | |
| Mid Magellan Asset Management Ltd | $4,820,384 | 0.11% | 67,305 | Shares | 2026-08-13 | |
| Mid WEDGE CAPITAL MANAGEMENT L L P/NC | $4,782,640 | 0.11% | 66,778 | Shares | 2026-07-10 | |
| Mega WELLS FARGO & COMPANY/MN | $4,692,397 | 0.11% | 65,518 | Shares | 2026-08-14 | |
| Large Retirement Systems of Alabama Pension | $4,556,249 | 0.11% | 63,617 | Shares | 2026-07-28 | |
| Mid DEROY & DEVEREAUX PRIVATE INVESTMENT COUNSEL INC | $4,339,813 | 0.10% | 60,595 | Shares | 2026-07-27 | |
| Large FIFTH THIRD BANCORP Bank | $4,260,315 | 0.10% | 59,485 | Shares | 2026-08-05 | |
| Mid Maryland State Retirement & Pension System Pension | $4,157,182 | 0.10% | 58,045 | Shares | 2026-07-30 | |
| Mega ENVESTNET ASSET MANAGEMENT INC | $4,140,065 | 0.10% | 57,806 | Shares | 2026-08-03 | |
| Small Mathes Company, Inc. | $4,014,659 | 0.10% | 56,055 | Shares | 2026-08-11 | |
| Small Oliver Luxxe Assets LLC | $3,849,431 | 0.09% | 53,748 | Shares | 2026-07-09 | |
| Mid HEARTLAND ADVISORS INC | $3,845,062 | 0.09% | 53,687 | Shares | 2026-08-11 | |
| Small Mint Tower Capital Management B.V. | $3,754,463 | 0.09% | 52,422 | Shares | 2026-08-18 |
Key facts
CIK
1993004
CUSIP
668074305
13F (30d)
209 filings
207 filers
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