CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Position in KNF — Knife River Corp

CIK 884546 SAN FRANCISCO, CA

Position in KNF

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

Position Value

$55,660,151

+$9,866,241 QoQ

Shares Held

681,692

+4.7% QoQ

Ownership

1.20%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2023

12 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Basic Materials · as of Mar 31, 2026

CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $1,238,025,349 across 11 Building Materials names. KNF ranks #6 (4.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CRH	Crh Public Ltd Co	4,331,647	$455,342,732
2	VMC	Vulcan Materials CO	1,005,162	$273,705,612
3	MLM	Martin Marietta Materials Inc	460,519	$271,098,324
4	AMRZ	Amrize Ltd	1,687,633	$94,541,200
5	EXP	Eagle Materials Inc	330,135	$62,544,075
6	KNF	Knife River Corp This page	681,692	$55,660,151
7	USLM	United States Lime & Minerals Inc	88,033	$11,497,990
8	TGLS	Tecnoglass Inc.	217,244	$9,678,220

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$55,660,151	681,692	+4.7%	Shares	Sole	2026-05-15
2025-12-31	$45,793,910	650,944	+1.5%	Shares	Sole	2026-02-13
2025-09-30	$49,312,566	641,506	-1.3%	Shares	Sole	2025-11-10
2025-06-30	$53,074,735	650,107	-2.5%	Shares	Sole	2025-08-12
2025-03-31	$60,158,703	666,874	-3.7%	Shares	Sole	2025-09-15
2024-12-31	$70,404,198	692,682	-1.0%	Shares	Sole	2025-02-06
2024-09-30	$62,513,376	699,333	+0.8%	Shares	Sole	2024-11-12
2024-06-30	$48,645,035	693,542	+1.2%	Shares	Sole	2024-08-12
2024-03-31	$55,586,988	685,582	+40.7%	Shares	Sole	2024-05-09
2023-12-31	$32,242,896	487,200	+7.7%	Shares	Sole	2024-02-06
2023-09-30	$22,091,326	452,413	-22.3%	Shares	Sole	2023-11-08
2023-06-30	$25,314,564	581,944	—	Shares	Sole	2023-08-10
No filing history on record for this holder in this stock.