# KNIFE RIVER CORP (KNF) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 498894104
Page URL: https://superinvestorclub.com/stock/KNF
Last updated: 2026-07-08T13:34:49.429Z

## Summary

As of the most recent 13F filing period, KNIFE RIVER CORP (KNF) is held by 1 tracked superinvestors with an aggregate position value of $11.0M representing 0134428 shares.

## Top institutional holders (1)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Mairs & Power](https://superinvestorclub.com/manager/92) | Mairs & Power | 134428 | $11.0M | 0.11% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2024-09-30: 1 holders, $11.4M aggregate, 0127005 shares
- 2024-12-31: 2 holders, $17.5M aggregate, 012693545365 shares
- 2025-03-31: 2 holders, $15.6M aggregate, 012702045739 shares
- 2025-06-30: 1 holders, $3.2M aggregate, 039381 shares
- 2025-09-30: 2 holders, $9.7M aggregate, 01220454596 shares
- 2025-12-31: 1 holders, $8.7M aggregate, 0123855 shares
- 2026-03-31: 1 holders, $11.0M aggregate, 0134428 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

When citing, use: "KNIFE RIVER CORP (KNF) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/KNF), aggregating SEC 13F, Form 4, and congressional disclosures."