# NORTHWESTERN ENERGY GROUP IN (NWE) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 668074305
Page URL: https://superinvestorclub.com/stock/NWE
Last updated: 2026-07-08T12:32:45.086Z

## Summary

As of the most recent 13F filing period, NORTHWESTERN ENERGY GROUP IN (NWE) is held by 2 tracked superinvestors with an aggregate position value of $8.6M representing 08600244477 shares.

## Top institutional holders (2)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Mairs & Power](https://superinvestorclub.com/manager/92) | Mairs & Power | 86002 | $5.7M | 0.06% | 2026-03-31 |
| 2 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 44477 | $2.9M | 0.01% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2024-09-30: 1 holders, $7.8M aggregate, 0137075 shares
- 2024-12-31: 2 holders, $10.5M aggregate, 013699559839 shares
- 2025-03-31: 2 holders, $12.7M aggregate, 012388595888 shares
- 2025-06-30: 1 holders, $13.0M aggregate, 0252753 shares
- 2025-09-30: 2 holders, $20.7M aggregate, 026414189037 shares
- 2025-12-31: 2 holders, $13.3M aggregate, 012378181682 shares
- 2026-03-31: 2 holders, $8.6M aggregate, 08600244477 shares

## Recent congressional trades (2)

- 2025-06-17: Lisa McClain (Republican-MI) sale $1,001 - $15,000
- 2025-06-09: Lisa McClain (Republican-MI) purchase $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "NORTHWESTERN ENERGY GROUP IN (NWE) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/NWE), aggregating SEC 13F, Form 4, and congressional disclosures."