BLAIR WILLIAM & CO/IL

Position in AME — Ametek Inc/

CIK 902367 CHICAGO, IL

Position in AME

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

Position Value

$98,058,338

-$1,758,045 QoQ

Shares Held

457,447

-5.9% QoQ

Ownership

0.200%

of shares outstanding

% of Portfolio

0.34%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 65.55753999916931.ToString("F0")% Shared 0.ToString("F0")% None 34.4424600008307.ToString("F0")%

Industrials · as of Mar 31, 2026

BLAIR WILLIAM & CO/IL holds $1,161,398,964 across 31 Specialty Industrial Machinery names. AME ranks #3 (8.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GEV	GE Vernova Inc.	664,603	$580,131,958
2	ROK	Rockwell Automation, Inc	284,067	$101,945,964
3	AME	Ametek Inc/ This page	457,447	$98,058,338
4	ITW	Illinois Tool Works Inc	360,320	$93,787,692
5	GNRC	Generac Holdings Inc.	346,830	$67,746,303
6	EMR	Emerson Electric Co	389,990	$51,096,489
7	DOV	DOVER Corp	167,307	$34,875,144
8	ETN	Eaton Corp plc	80,604	$28,829,632

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$98,058,338	457,447	-5.9%	Shares	Sole	2026-05-08
2025-12-31	$99,816,383	486,174	-8.1%	Shares	Sole	2026-02-17
2025-09-30	$99,503,324	529,273	-23.3%	Shares	Sole	2025-11-12
2025-06-30	$124,837,065	689,860	-2.2%	Shares	Sole	2025-07-24
2025-03-31	$121,382,283	705,137	-0.2%	Shares	Sole	2025-05-09
2024-12-31	$127,336,024	706,402	-1.6%	Shares	Sole	2025-02-12
2024-09-30	$123,321,263	718,195	-1.8%	Shares	Sole	2024-11-12
2024-06-30	$121,917,190	731,313	-0.4%	Shares	Sole	2024-08-12
2024-03-31	$134,316,455	734,371	+0.2%	Shares	Sole	2024-05-09
2023-12-31	$120,881,518	733,104	+0.3%	Shares	Sole	2024-02-12
2023-09-30	$107,985,815	730,819	-1.0%	Shares	Sole	2023-11-09
2023-06-30	$119,502,567	738,217	-0.0%	Shares	Sole	2023-08-11
2023-03-31	$107,291,035	738,258	-2.0%	Shares	Sole	2023-05-12
2022-12-31	$105,293,550	753,604	+0.2%	Shares	Sole	2023-02-10
2022-09-30	$85,264,700	751,827	-0.7%	Shares	Sole	2022-11-09
2022-06-30	$83,226,839	757,365	-0.8%	Shares	Sole	2022-08-10
2022-03-31	$101,646,971	763,230	-1.7%	Shares	Sole	2022-05-13
2021-12-31	$114,135,682	776,222	+1.2%	Shares	Sole	2022-02-14
2021-09-30	$95,108,229	766,940	+0.5%	Shares	Sole	2021-11-12
2021-06-30	$101,850,754	762,927	-0.7%	Shares	Sole	2021-08-12
2021-03-31	$98,170,084	768,575	+2.6%	Shares	Sole	2021-05-13
2020-12-31	$90,628,807	749,370	+0.5%	Shares	Sole	2021-02-09
2020-09-30	$74,140,074	745,876	+5.9%	Shares	Sole	2020-11-06
2020-06-30	$62,918,803	704,026	-2.7%	Shares	Sole	2020-08-12
2020-03-31	$52,105,821	723,491	—	Shares	Sole	2020-05-11
No filing history on record for this holder in this stock.