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GAMCO INVESTORS, INC. ET AL

Position in KNF — Knife River Corp

CIK 807249 GREENWICH, CT

Position in KNF

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$7,971,677
-$97,629 QoQ
Shares Held
95,298
-3.6% QoQ
Ownership
0.168%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#59
of 392 holders
Holding Since
Jun 2023
13 quarters on record
Voting authority Sole 96% Shared 0% None 4%

Common Shares in KNF Over Time

Shares Held

Position Value (USD)

Position in Building Materials

Basic Materials · as of Jun 30, 2026

GAMCO INVESTORS, INC. ET AL holds $20,019,399 across 3 Building Materials names. KNF ranks #1 (39.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 KNF
Knife River Corp
This page
95,298 $7,971,677

All Filings in KNF

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13 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $7,971,677 95,298
2026-03-31 $8,069,306 98,828
2025-12-31 $6,707,731 95,348
2025-09-30 $6,295,576 81,899
2025-06-30 $2,242,242 27,465
2025-03-31 $1,567,398 17,375
2024-12-31 $1,719,240 16,915
2024-09-30 $1,525,440 17,065
2024-06-30 $1,912,367 27,265
2024-03-31 $2,204,565 27,190
2023-12-31 $1,799,434 27,190
2023-09-30 $1,303,272 26,690
2023-06-30 $900,015 20,690