BLAIR WILLIAM & CO/IL

Position in AIR — Aar Corp

CIK 902367 CHICAGO, IL

Position in AIR

as of Mar 31, 2026 · filed May 8, 2026 Compact

Position Value

$5,196,613

+$264,399 QoQ

Shares Held

47,475

-20.3% QoQ

Ownership

0.119%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

12 quarters on record

Voting authority Sole 83.27330173775671.ToString("F0")% Shared 0.ToString("F0")% None 16.726698262243286.ToString("F0")%

Industrials · as of Mar 31, 2026

BLAIR WILLIAM & CO/IL holds $1,264,999,234 across 30 Aerospace & Defense names. AIR ranks #17 (0.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BWXT	BWX Technologies, Inc.	1,438,125	$294,082,181
2	TDG	TransDigm Group INC	166,248	$192,674,782
3	BA	Boeing Co	922,102	$183,525,961
4	CW	Curtiss Wright Corp	167,027	$113,765,430
5	GD	General Dynamics Corp	292,035	$100,232,252
6	HEI	Heico Corp	336,799	$92,350,285
7	RTX	RTX Corp	384,627	$74,194,548
8	GE	General Electric Co	201,509	$57,182,208

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$5,196,613	47,475	-20.3%	Shares	Sole	2026-05-08
2025-12-31	$4,932,214	59,575	-2.4%	Shares	Sole	2026-02-17
2025-09-30	$5,472,918	61,034	+15.2%	Shares	Sole	2025-11-12
2025-06-30	$3,645,182	52,990	+15.0%	Shares	Sole	2025-07-24
2025-03-31	$2,580,971	46,097	+0.3%	Shares	Sole	2025-05-09
2024-12-31	$2,816,551	45,962	+28.8%	Shares	Sole	2025-02-12
2024-09-30	$2,332,175	35,682	-35.3%	Shares	Sole	2024-11-12
2024-06-30	$4,006,497	55,110	-4.5%	Shares	Sole	2024-08-12
2024-03-31	$3,453,241	57,679	+902.9%	Shares	Sole	2024-05-09
2023-12-31	$358,862	5,751	-78.1%	Shares	Sole	2024-02-12
2020-06-30	$543,662	26,302	+0.1%	Shares	Sole	2020-08-12
2020-03-31	$466,679	26,277	—	Shares	Sole	2020-05-11
No filing history on record for this holder in this stock.