# NORTHWESTERN ENERGY GROUP IN COM NEW

NORTHWESTERN ENERGY GROUP IN COM NEW is a security (CUSIP 668074305) tracked across SEC portfolio filings. 382 institutional managers reported $3.8B on Form 13F as of 2026-06-30; 47 registered fund positions totaling $467.3M via N-PORT as of 2026-05-31.

## Summary

- Issuer: NORTHWESTERN ENERGY GROUP IN
- Class: COM NEW
- CUSIP: 668074305
- Asset category: EC
- 13F holders: 382
- 13F value: $3.8B
- 13F period: 2026-06-30
- N-PORT fund positions: 47
- N-PORT value: $467.3M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 382 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $546.1M | 8,281,530 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $430.3M | 6,667,340 |
| STATE STREET CORP | BOSTON, MA | $154.0M | 2,335,081 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $111.8M | 1,694,354 |
| FRANKLIN RESOURCES INC | San Mateo, CA | $107.0M | 1,621,967 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $102.7M | 1,557,867 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $89.1M | 1,350,902 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $86.7M | 1,314,488 |
| NEUBERGER BERMAN GROUP LLC | NEW YORK, NY | $84.0M | 1,274,526 |
| CITIGROUP INC | NEW YORK, NY | $73.3M | 1,023,760 |
| [SYSTEMATIC FINANCIAL MANAGEMENT LP](https://search.stillhousedata.com/firm/106146) | TEANECK, NJ | $72.8M | 1,103,706 |
| [AQR Arbitrage LLC](https://search.stillhousedata.com/firm/114626) | Greenwich, CT | $71.3M | 1,081,947 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $67.5M | 1,023,230 |
| UBS Group AG | Zurich, V8 | $65.6M | 994,528 |
| [Balyasny Asset Management L.P.](https://search.stillhousedata.com/firm/138111) | Chicago, IL | $60.0M | 910,560 |

## Top fund holders (N-PORT)

_Showing 15 of 47 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $122.1M | 50.44% |
| [Franklin Utilities Fund](https://search.stillhousedata.com/fund/S000006758) | Franklin Custodian Funds | $92.3M | 119.16% |
| [The Gabelli Utilities Fund](https://search.stillhousedata.com/fund/S000001075) | Gabelli Utilities Fund | $55.9M | 315.66% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $45.2M | 5.55% |
| [Undiscovered Managers Behavioral Value Fund](https://search.stillhousedata.com/fund/S000004186) | UNDISCOVERED MANAGERS FUNDS | $26.1M | 30.21% |
| [MFS New Discovery Value Fund](https://search.stillhousedata.com/fund/S000032712) | MFS SERIES TRUST XIII | $25.1M | 100.87% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $22.4M | 12.77% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $10.8M | 14.48% |
| Gabelli Utility Trust | Gabelli Utility Trust | $9.5M | 325.49% |
| [NYLI Merger Arbitrage ETF](https://search.stillhousedata.com/fund/S000025931) | New York Life Investments ETF Trust | $9.2M | 370.08% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $6.6M | 13.67% |
| [Heartland Value Plus Fund](https://search.stillhousedata.com/fund/S000003524) | HEARTLAND GROUP INC. | $6.6M | 224.52% |
| [Ancora/Thelen Small-Mid Cap Fund](https://search.stillhousedata.com/fund/S000039307) | ANCORA TRUST | $4.4M | 206.00% |
| [Columbia Mid Cap Index Fund](https://search.stillhousedata.com/fund/S000010826) | COLUMBIA FUNDS SERIES TRUST | $3.1M | 12.20% |
| [North Star Dividend Fund](https://search.stillhousedata.com/fund/S000040441) | NORTHERN LIGHTS FUND TRUST II | $2.7M | 275.01% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/668074305.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.