BLAIR WILLIAM & CO/IL

Position in AAON — Aaon, Inc.

CIK 902367 CHICAGO, IL

Position in AAON

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

Position Value

$134,237,298

+$6,211,642 QoQ

Shares Held

1,622,203

-3.4% QoQ

Ownership

1.98%

of shares outstanding

% of Portfolio

0.47%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2024

8 quarters on record

Voting authority Sole 79.13114396357544.ToString("F0")% Shared 0.ToString("F0")% None 20.868856036424564.ToString("F0")%

Industrials · as of Mar 31, 2026

BLAIR WILLIAM & CO/IL holds $183,215,788 across 12 Building Products & Equipment names. AAON ranks #1 (73.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AAON	Aaon, Inc. This page	1,622,203	$134,237,298
2	SPXC	SPX Technologies, Inc.	135,942	$27,180,243
3	TT	Trane Technologies plc	21,876	$9,116,604
4	CARR	CARRIER GLOBAL Corp	96,003	$5,405,928
5	JCI	Johnson Controls International plc	17,681	$2,315,326
6	TREX	Trex Co Inc	47,554	$1,731,916
7	BLDR	Builders FirstSource, Inc.	13,450	$1,107,338
8	LII	Lennox International Inc	1,306	$606,153

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$134,237,298	1,622,203	-3.4%	Shares	Sole	2026-05-08
2025-12-31	$128,025,656	1,679,025	-7.7%	Shares	Sole	2026-02-17
2025-09-30	$169,994,644	1,819,292	-20.2%	Shares	Sole	2025-11-12
2025-06-30	$168,155,162	2,280,070	+4.7%	Shares	Sole	2025-07-24
2025-03-31	$170,142,763	2,177,688	+86.2%	Shares	Sole	2025-05-09
2024-12-31	$137,659,945	1,169,782	+4.2%	Shares	Sole	2025-02-12
2024-09-30	$121,053,419	1,122,528	+117.9%	Shares	Sole	2024-11-12
2024-06-30	$44,934,096	515,063	—	Shares	Sole	2024-08-12
No filing history on record for this holder in this stock.