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MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Position in KNF — Knife River Corp

CIK 912938 Boston, MA

Position in KNF

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$47,908,863
+$4,865,599 QoQ
Shares Held
572,730
+8.6% QoQ
Ownership
1.01%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#22
of 392 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority Sole 87% Shared 13% None 0%

Common Shares in KNF Over Time

Shares Held

Position Value (USD)

Position in Building Materials

Basic Materials · as of Jun 30, 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $2,436,455,810 across 7 Building Materials names. KNF ranks #4 (2.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 KNF
Knife River Corp
This page
572,730 $47,908,863

All Filings in KNF

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7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $47,908,863 572,730
2026-03-31 $43,043,264 527,168
2025-12-31 $40,663,916 578,023
2025-09-30 $33,979,689 442,041
2025-06-30 $52,351,810 641,252
2025-03-31 $38,499,913 426,781
2024-12-31 $27,744,974 272,973