BLAIR WILLIAM & CO/IL

Position in AAON — Aaon, Inc.

CIK 902367 CHICAGO, IL

Position in AAON

as of Jun 30, 2026 · filed Aug 11, 2026 Compact

Position Value

$194,531,437

+$60,294,139 QoQ

Shares Held

1,533,434

-5.5% QoQ

Ownership

1.86%

of shares outstanding

% of Portfolio

0.59%

of 13F equity value

Holder Rank

of 470 holders

Holding Since

Jun 2024

9 quarters on record

Voting authority Sole 78% Shared 0% None 22%

Industrials · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $256,617,029 across 14 Building Products & Equipment names. AAON ranks #1 (75.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AAON	Aaon, Inc. This page	1,533,434	$194,531,437
2	SPXC	SPX Technologies, Inc.	134,956	$33,087,162
3	TT	Trane Technologies plc	22,986	$11,289,803
4	CARR	CARRIER GLOBAL Corp	98,482	$7,223,654
5	JCI	Johnson Controls International plc	20,633	$3,014,687
6	TREX	Trex Co Inc	42,785	$2,140,961
7	BLDR	Builders FirstSource, Inc.	17,296	$1,547,646
8	LII	Lennox International Inc	1,505	$862,289

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$194,531,437	1,533,434	-5.5%	Shares	Sole	2026-08-11
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.