TWO SIGMA INVESTMENTS, LP

Position in NPKI — NPK International Inc.

CIK 1179392 NEW YORK, NY

Position in NPKI

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

Position Value

$8,901,629

-$6,470,869 QoQ

Shares Held

559,499

-47.3% QoQ

Ownership

0.659%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#41

of 255 holders

Holding Since

Mar 2020

24 quarters on record

Voting authority Sole 99% Shared 0% None 1%

Industrials · as of Jun 30, 2026

TWO SIGMA INVESTMENTS, LP holds $677,414,282 across 25 Building Products & Equipment names. NPKI ranks #11 (1.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TT	Trane Technologies plc	374,581	$183,979,203
2	AWI	Armstrong World Industries Inc	583,201	$93,557,104
3	JCI	Johnson Controls International plc	591,367	$86,404,632
4	OC	Owens Corning	529,658	$84,194,435
5	TREX	Trex Co Inc	1,331,721	$66,639,318
6	SPXC	SPX Technologies, Inc.	164,355	$40,294,915
7	AAON	Aaon, Inc.	233,374	$29,605,825
8	APOG	Apogee Enterprises, Inc.	611,671	$27,977,831

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$8,901,629	559,499	-47.3%	Shares	Sole	2026-08-14
2026-03-31	$15,372,498	1,060,904	+110.0%	Shares	Sole	2026-05-15
2025-12-31	$6,021,483	505,158	+16.5%	Shares	Sole	2026-02-17
2025-09-30	$4,905,147	433,700	+293.7%	Shares	Sole	2025-11-14
2025-06-30	$937,385	110,151	+14.9%	Shares	Sole	2025-08-14
2025-03-31	$556,830	95,840	-17.2%	Shares	Sole	2025-05-15
2024-12-31	$887,580	115,721	-53.8%	Shares	Sole	2025-02-14
2024-09-30	$1,734,939	250,352	-46.9%	Shares	Sole	2024-11-14
2024-06-30	$3,921,380	471,887	-48.4%	Shares	Sole	2024-08-14
2024-03-31	$6,599,498	914,058	-21.1%	Shares	Sole	2024-05-15
2023-12-31	$7,694,730	1,158,845	+9.5%	Shares	Sole	2024-02-14
2023-09-30	$7,315,775	1,058,723	+32.9%	Shares	Sole	2023-11-14
2023-06-30	$4,166,380	796,631	+4.6%	Shares	Sole	2023-08-14
2023-03-31	$2,932,410	761,665	+70.8%	Shares	Sole	2023-05-15
2022-12-31	$1,850,746	445,963	+672.6%	Shares	Sole	2023-02-14
2022-09-30	$145,459	57,722	-77.5%	Shares	Sole	2022-11-14
2022-06-30	$794,120	256,997	-40.9%	Shares	Sole	2022-08-15
2022-03-31	$1,590,379	434,530	+6.5%	Shares	Sole	2022-05-16
2021-12-31	$1,199,625	408,036	-34.5%	Shares	Sole	2022-02-14
2021-09-30	$2,056,992	623,331	+6.5%	Shares	Sole	2021-11-15
2021-06-30	$2,024,722	585,180	+201.8%	Shares	Sole	2021-08-16
2021-03-31	$608,874	193,909	+137.0%	Shares	Sole	2021-05-17
2020-12-31	$157,107	81,827	-44.0%	Shares	Sole	2021-02-16
2020-03-31	$131,556	146,174	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.