LOOMIS SAYLES & CO L P

Position in NPKI — NPK International Inc.

CIK 312348 BOSTON, MA

Position in NPKI

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$18,306,586

+$1,237,469 QoQ

Shares Held

1,150,634

-2.3% QoQ

Ownership

1.36%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#18

of 255 holders

Holding Since

Jun 2023

13 quarters on record

Voting authority Sole 93% Shared 0% None 7%

Industrials · as of Jun 30, 2026

LOOMIS SAYLES & CO L P holds $381,285,782 across 7 Building Products & Equipment names. NPKI ranks #4 (4.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TT	Trane Technologies plc	591,726	$290,632,142
2	WMS	Advanced Drainage Systems, Inc.	169,143	$26,548,684
3	GFF	Griffon Corp	260,398	$25,396,616
4	NPKI	NPK International Inc. This page	1,150,634	$18,306,586
5	TREX	Trex Co Inc	281,266	$14,074,550
6	MAS	Masco Corp /De/	45,272	$3,683,782
7	JCI	Johnson Controls International plc	18,092	$2,643,422

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$18,306,586	1,150,634	-2.3%	Shares	Defined	2026-08-14
2026-03-31	$17,069,117	1,177,993	-8.5%	Shares	Defined	2026-05-14
2025-12-31	$15,341,397	1,287,030	-3.5%	Shares	Defined	2026-02-12
2025-09-30	$15,090,129	1,334,229	-13.1%	Shares	Defined	2025-11-13
2025-06-30	$13,066,653	1,535,447	+23.5%	Shares	Defined	2025-08-13
2025-03-31	$7,220,580	1,242,785	-0.1%	Shares	Defined	2025-05-14
2024-12-31	$9,539,922	1,243,797	+3.3%	Shares	Defined	2025-02-12
2024-09-30	$8,346,526	1,204,405	-4.1%	Shares	Defined	2024-11-13
2024-06-30	$10,437,119	1,255,971	+23.4%	Shares	Defined	2024-08-13
2024-03-31	$7,348,191	1,017,755	+21.4%	Shares	Defined	2024-05-14
2023-12-31	$5,568,695	838,659	-12.3%	Shares	Defined	2024-02-13
2023-09-30	$6,608,143	956,316	-2.1%	Shares	Defined	2023-11-09
2023-06-30	$5,109,558	976,971	—	Shares	Defined	2023-08-11
No filing history on record for this holder in this stock.