RENAISSANCE TECHNOLOGIES LLC

Position in NPKI — NPK International Inc.

CIK 1037389 NEW YORK, NY

Position in NPKI

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$3,585,588

-$1,662,211 QoQ

Shares Held

225,367

-37.8% QoQ

Ownership

0.265%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#60

of 255 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

RENAISSANCE TECHNOLOGIES LLC holds $308,742,883 across 20 Building Products & Equipment names. NPKI ranks #11 (1.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	JCI	Johnson Controls International plc	525,544	$76,787,233
2	MAS	Masco Corp /De/	683,900	$55,648,943
3	GFF	Griffon Corp	508,751	$49,618,485
4	ARLO	Arlo Technologies, Inc.	2,049,849	$27,631,964
5	CSL	Carlisle Companies Inc	55,220	$20,031,055
6	TT	Trane Technologies plc	39,188	$19,247,578
7	AWI	Armstrong World Industries Inc	101,400	$16,266,588
8	NX	Quanex Building Products CORP	618,708	$11,520,342

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$3,585,588	225,367	-37.8%	Shares	Sole	2026-08-13
2026-03-31	$5,247,799	362,167	-30.3%	Shares	Sole	2026-05-14
2025-12-31	$6,190,151	519,308	-8.6%	Shares	Sole	2026-02-12
2025-09-30	$6,427,936	568,341	-20.3%	Shares	Sole	2025-11-13
2025-06-30	$6,069,680	713,241	-11.8%	Shares	Sole	2025-08-13
2025-03-31	$4,700,290	809,000	+0.8%	Shares	Sole	2025-05-14
2024-12-31	$6,157,598	802,816	-6.6%	Shares	Sole	2025-02-13
2024-09-30	$5,955,233	859,341	+31.6%	Shares	Sole	2024-11-13
2024-06-30	$5,426,430	653,000	+2.5%	Shares	Sole	2024-08-09
2024-03-31	$4,600,158	637,141	-22.8%	Shares	Sole	2024-05-13
2023-12-31	$5,479,746	825,263	+156.9%	Shares	Sole	2024-02-13
2023-09-30	$2,219,927	321,263	-32.4%	Shares	Sole	2023-11-14
2023-06-30	$2,486,216	475,376	+17.9%	Shares	Sole	2023-08-11
2023-03-31	$1,552,678	403,293	-45.8%	Shares	Sole	2023-05-12
2022-12-31	$3,090,260	744,641	+4.7%	Shares	Sole	2023-02-13
2022-09-30	$1,792,075	711,141	+3.3%	Shares	Sole	2022-11-14
2022-06-30	$2,127,471	688,502	+233.5%	Shares	Sole	2022-08-12
2022-03-31	$755,574	206,441	+167.8%	Shares	Sole	2022-05-13
2021-12-31	$226,674	77,100	+291.4%	Shares	Sole	2022-02-11
2021-09-30	$65,010	19,700	-94.0%	Shares	Sole	2021-11-12
2021-06-30	$1,130,869	326,841	-54.3%	Shares	Sole	2021-08-13
2021-03-31	$2,246,170	715,341	-47.8%	Shares	Sole	2021-05-13
2020-12-31	$2,632,014	1,370,841	+40.5%	Shares	Sole	2021-02-10
2020-09-30	$1,024,234	975,461	+71.1%	Shares	Sole	2020-11-13
2020-06-30	$1,271,144	570,020	-29.3%	Shares	Sole	2020-08-13
2020-03-31	$725,544	806,161	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.