PRICE T ROWE ASSOCIATES INC /MD/

Position in KNF — Knife River Corp

CIK 80255 BALTIMORE, MD

Position in KNF

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$367,203,237

+$91,773,773 QoQ

Shares Held

4,497,284

+14.9% QoQ

Ownership

7.92%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2023

12 quarters on record

Voting authority Sole 99.75213929118108.ToString("F0")% Shared 0.ToString("F0")% None 0.2478607088189227.ToString("F0")%

Basic Materials · as of Mar 31, 2026

PRICE T ROWE ASSOCIATES INC /MD/ holds $1,824,643,534 across 11 Building Materials names. KNF ranks #2 (20.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MLM	Martin Marietta Materials Inc	1,488,840	$876,450,330
2	KNF	Knife River Corp This page	4,497,284	$367,203,237
3	CX	Cemex Sab De CV	24,618,166	$281,631,819
4	CRH	Crh Public Ltd Co	2,128,649	$223,763,582
5	VMC	Vulcan Materials CO	198,278	$53,991,098
6	AMRZ	Amrize Ltd	212,258	$11,890,693
7	EXP	Eagle Materials Inc	30,728	$5,821,419
8	JHX	James Hardie Industries plc	77,151	$1,461,239

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$367,203,237	4,497,284	+14.9%	Shares	Defined	2026-05-15
2025-12-31	$275,429,464	3,915,131	+3.3%	Shares	Sole	2026-02-17
2025-09-30	$291,455,447	3,791,537	+27.1%	Shares	Sole	2025-11-14
2025-06-30	$243,597,186	2,983,797	+78.9%	Shares	Sole	2025-08-14
2025-03-31	$150,454,221	1,667,822	+4145.2%	Shares	Sole	2025-05-14
2024-12-31	$3,993,130	39,287	+18.1%	Shares	Defined	2025-02-14
2024-09-30	$2,973,558	33,265	-1.4%	Shares	Defined	2024-11-14
2024-06-30	$2,366,663	33,742	+5.6%	Shares	Defined	2024-08-14
2024-03-31	$2,590,830	31,954	+7.4%	Shares	Defined	2024-05-15
2023-12-31	$1,969,516	29,760	+0.6%	Shares	Defined	2024-02-16
2023-09-30	$1,444,098	29,574	+20.7%	Shares	Defined	2023-11-14
2023-06-30	$1,066,228	24,511	—	Shares	Defined	2023-08-14
No filing history on record for this holder in this stock.