NorthWestern Energy Group, Inc. 13F holders
Of the 44 funds followed here, 7 reported a position in NorthWestern Energy Group, Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 1.8 million shares worth $128.1 million, 0.0% of its reported book. New this quarter: Renaissance Technologies. Sold out: Point72 Asset Management.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 1,788,900 | $128.1 million | 0.0% | +94,546 | added | 30 June 2026 | 13F |
| Millennium Management | 1,064,119 | $76.2 million | 0.0% | -250,369 | trimmed | 30 June 2026 | 13F |
| FMR LLC | 861,126 | $61.7 million | 0.0% | +92,498 | added | 30 June 2026 | 13F |
| Norges Bank | 780,561 | $55.9 million | 0.0% | held | 30 June 2026 | 13F | |
| Bridgewater Associates | 49,915 | $3.6 million | 0.0% | +5,438 | added | 30 June 2026 | 13F |
| Renaissance Technologies | 15,326 | $1.1 million | 0.0% | +15,326 | new | 30 June 2026 | 13F |
| Citadel Advisors | 14,664 | $1.1 million | 0.0% | -34,925 | trimmed | 30 June 2026 | 13F |
| Point72 Asset Management | 0 | $0 | 0.0% | -56,784 | exited | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 30 April 2026 | 13G | Vanguard Capital Management and 1 other | 3.3 million | 5.3% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 29 April 2026 | 13G | Vanguard Portfolio Management and 1 other | 3.5 million | 5.7% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 9 September 2026 | 417 | $71.78 | SEC |
| 8 September 2026 | 8 | $70.78 | SEC |
| 4 September 2026 | 272 | $70.90 | SEC |
| 17 August 2026 | 24 | $71.81 | SEC |
| 11 August 2026 | 214 | $71.22 | SEC |
| 6 August 2026 | 69 | $69.14 | SEC |
| 5 August 2026 | 1 | $69.86 | SEC |
| 3 August 2026 | 28 | $68.74 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
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Largest in the window: 417 on 9 September 2026. A fail is an operational fact about settlement, not a position.Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to NWE by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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