Magnetar Financial LLC

Position in AWI — Armstrong World Industries Inc

CIK 1352851 EVANSTON, IL

Position in AWI

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

Position Value

$1,507,626

-$997,333 QoQ

Shares Held

9,398

-38.2% QoQ

Ownership

0.022%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#201

of 470 holders

Holding Since

Jun 2020

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

Magnetar Financial LLC holds $3,617,056 across 6 Building Products & Equipment names. AWI ranks #1 (41.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AWI	Armstrong World Industries Inc This page	9,398	$1,507,626
2	AAON	Aaon, Inc.	7,350	$932,420
3	APOG	Apogee Enterprises, Inc.	9,207	$421,127
4	JBI	Janus International Group, Inc.	50,867	$282,311
5	NPKI	NPK International Inc.	16,645	$264,821
6	ARLO	Arlo Technologies, Inc.	15,486	$208,751

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,507,626	9,398	-38.2%	Shares	Sole	2026-08-14
2026-03-31	$2,504,959	15,200	-62.4%	Shares	Sole	2026-05-13
2025-09-30	$7,918,803	40,400	-42.2%	Shares	Sole	2025-11-13
2025-03-31	$9,853,146	69,940	+1520.1%	Shares	Sole	2025-05-15
2023-03-31	$307,543	4,317	-26.3%	Shares	Sole	2023-05-15
2022-12-31	$401,731	5,857	-65.7%	Shares	Sole	2023-02-14
2022-06-30	$1,280,841	17,087	-21.2%	Shares	Sole	2022-08-15
2022-03-31	$1,950,876	21,674	+651.0%	Shares	Sole	2022-05-16
2021-09-30	$275,526	2,886	-73.1%	Shares	Sole	2022-01-14
2021-03-31	$967,656	10,741	-35.9%	Shares	Sole	2021-05-14
2020-12-31	$1,246,478	16,756	+141.0%	Shares	Sole	2021-02-12
2020-09-30	$478,367	6,952	-14.2%	Shares	Sole	2020-11-16
2020-06-30	$631,865	8,105	—	Shares	Sole	2020-08-14
No filing history on record for this holder in this stock.