Ametek

AME • NYSE

Ametek is a industrial - machinery company in the industrials sector on NYSE, led by David A. Zapico, with a market cap of $46.4B. As of Q3 2025, 85% of shares are held by 1,002 institutional investors, with VANGUARD GROUP INC as the largest holder at 11.77%.

Chief Executive OfficerDavid A. Zapico

Market Cap$46.4B

Industrial - Machinery

Industrials

Employees21.5K

Websiteametek.com

Country

United States of America

Overview

Overview of institutional ownership in AME as of Q3 2025 with a market cap of $43.4B

All Institutions

Institutions: 1,002
Value Held: $36.9B
Shares Held: 196.7M
Avg Position: $36.8M
Median Position: $1.3M

Hedge Funds

Hedge Funds: 73
Value Held: $1.9B
Shares Held: 10.0M
Avg Position: $25.8M
Median Position: $3.3M

Ownership Breakdown

Institutional (non-HF)

80.66%

$35.0B

Hedge Funds

4.34%

$1.9B

Retail & Other

15.0%

$6.5B

Based on market cap of $43.4B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in AME as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$5.1B 0.08% of portfolio	11.77% 27.2M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
B BlackRock, Inc. Institution	-	$3.7B 0.07% of portfolio	8.49% 19.6M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager	Robert W Sharps President	$1.8B 0.20% of portfolio	4.26% 9.8M shares	≤ Q2 2013 Held for 12y 5m+	$912.31B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$1.8B 0.06% of portfolio	4.23% 9.8M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$1.1B 0.07% of portfolio	2.53% 5.9M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
Invesco Ltd. ETF Provider	Brian Christopher Hartigan CEO	$839.1M 0.13% of portfolio	1.93% 4.5M shares	≤ Q2 2013 Held for 12y 5m+	$633.08B
JPMORGAN CHASE & CO Institution	Jamie Dimon CEO	$790.1M 0.05% of portfolio	1.82% 4.2M shares	≤ Q2 2013 Held for 12y 5m+	$1.56T
FMR LLC Institution	-	$767.3M 0.04% of portfolio	1.77% 4.1M shares	≤ Q2 2013 Held for 12y 5m+	$1.92T
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$724.4M 0.04% of portfolio	1.67% 3.9M shares	≤ Q2 2013 Held for 12y 5m+	$1.65T
FLOSSBACH VON STORCH AG RIA/Wealth	Timothy Charles Hill CCO	$711.4M 2.80% of portfolio	1.64% 3.8M shares	Q4 2015 Held for 9y 11m	$25.4B

Net Capital Flow

Institutional buying and selling activity for AME in Q3 2025

Traded: +$70.1M
Buyers: 502
Sellers: 401
Total Bought: +$2.3B
Total Sold: −$2.3B
Avg Position: $34.2M

Biggest Buyers

Institution	Net Bought	Current Position
LAZARD ASSET MANAGEMENT LLC Long Only Manager	+$130.7M +695.4K shares	$497.4M 2.6M shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$120.5M +640.8K shares	$233.7M 1.2M shares
M Man Group plc Institution	+$118.8M +631.6K shares	$147.6M 785.0K shares
Compagnie Lombard, Odier SCA Private Equity	+$118.3M +629.3K shares	$118.3M 629.3K shares
H HSBC HOLDINGS PLC Institution	+$116.2M +617.8K shares	$247.4M 1.3M shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$83.0M +441.4K shares	$158.9M 845.3K shares
Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy	+$78.0M +415.1K shares	$78.0M 415.1K shares
THRIVENT FINANCIAL FOR LUTHERANS Insurance Manager	+$65.8M +350.2K shares	$98.8M 525.8K shares
B BNP PARIBAS ARBITRAGE, SA Institution	+$63.6M +338.4K shares	$166.8M 887.2K shares
ACADIAN ASSET MANAGEMENT LLC Long Only Manager	+$55.6M +296.0K shares	$102.1M 543.1K shares

Biggest Sellers

Institution	Net Sold	Current Position
Bank of New York Mellon Corp Institution	−$225.6M −1.2M shares	$463.1M 2.5M shares
C Capital World Investors Institution	−$195.9M −1.0M shares	$337.4M 1.8M shares
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Long Only Manager	−$164.3M −873.7K shares	$162.7M 865.4K shares
PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager	−$144.6M −768.9K shares	$1.8B 9.8M shares
JPMORGAN CHASE & CO Institution	−$102.5M −545.4K shares	$790.1M 4.2M shares
B Bank Julius Baer & Co. Ltd, Zurich Institution	−$102.0M −542.7K shares	$156.2M 831.0K shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$96.9M −515.7K shares	$31.5M 167.5K shares
FMR LLC Institution	−$77.3M −411.0K shares	$767.3M 4.1M shares
M MANUFACTURERES LIFE INSURANCE CO Institution	−$58.8M −312.8K shares	$37.3M 198.5K shares
Z Zurcher Kantonalbank Institution	−$57.1M −303.6K shares	$21.6M 114.7K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited AME in Q3 2025

New Positions: 51
New Value: $28.2M
Exited Positions: 76
Exited Value: $139.9M

New Positions

Institution	Position Value
Sone Capital Management, LLC Hedge Fund•Multi-Strategy	$9.3M 49.3K shares
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. Hedge Fund•Market Neutral	$3.1M 16.4K shares
VALLEY NATIONAL ADVISERS INC RIA/Wealth	$2.1M 11.0K shares
Addison Capital Co RIA/Wealth	$1.6M 8.3K shares
Advocacy Wealth Management Services, LLC RIA/Wealth	$1.1M 5.8K shares
Krilogy Financial LLC RIA/Wealth	$1.0M 5.1K shares
SummitTX Capital, L.P. Hedge Fund•Multi-Strategy	$840.9K 4.5K shares
Investment Research Partners LLC Hedge Fund•Multi-Strategy	$839.4K 4.6K shares
T TEMA ETFS LLC Institution	$679.1K 3.6K shares
Kera Capital Partners, Inc. RIA/Wealth	$672.9K 3.6K shares

Exited Positions

Institution	Previous Position
A Alyeska Investment Group, L.P. Hedge Fund•Multi-Strategy	$18.7M 103.5K shares
Symphony Financial, Ltd. Co. RIA/Wealth	$14.3M 79.1K shares
L Laurel Wealth Advisors LLC RIA/Wealth	$13.1M 72.4K shares
A AXA Institution	$9.4M 51.9K shares
ExodusPoint Capital Management, LP Hedge Fund•Multi-Strategy	$9.0M 50.0K shares
Magnetar Financial LLC Hedge Fund•Multi-Strategy	$8.5M 47.2K shares
NFJ INVESTMENT GROUP, LLC Long Only Manager	$7.2M 39.8K shares
Trexquant Investment LP Hedge Fund•Quant	$6.6M 36.4K shares
Hudson Bay Capital Management LP Hedge Fund•Multi-Strategy	$5.1M 28.4K shares
Y Y-Intercept Ltd Institution	$4.7M 25.7K shares

Options Activity

Institutions with the largest Call and Put options positions in AME as of Q3 2025

Call Positions: 10
Call Value: $43.0M
Put Positions: 9
Put Value: $15.2M

Call Positions

Institution	Position Value
J JANE STREET GROUP, LLC Institution	$12.7M 673.0 contracts
S SCOPUS ASSET MANAGEMENT, L.P. Hedge Fund•Long/Short	$9.4M 500.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$6.7M 354.0 contracts
BANK OF AMERICA CORP /DE/ Institution	$4.8M 254.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$3.3M 175.0 contracts
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	$3.0M 157.0 contracts
W WOLVERINE TRADING, LLC Institution	$2.7M 147.0 contracts
Walleye Trading LLC RIA/Wealth	$526.4K 28.0 contracts
UBS Group AG Institution	- - contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	- - contracts

Put Positions

Institution	Position Value
BANK OF AMERICA CORP /DE/ Institution	$5.9M 312.0 contracts
UBS Group AG Institution	$5.8M 309.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$2.4M 125.0 contracts
Walleye Trading LLC RIA/Wealth	$582.8K 31.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$300.8K 16.0 contracts
W WOLVERINE TRADING, LLC Institution	$299.0K 16.0 contracts
V Volterra Technologies LP Hedge Fund•Quant	- - contracts
J JANE STREET GROUP, LLC Institution	- - contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	- - contracts

Most Committed Institutions

Institutions with AME as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
Santori & Peters, Inc. RIA/Wealth	Ryan Patrick Neupaver President	16.47% $46.1M	0.11% 245.2K shares	Q4 2017 Held for 7y 11m	$279.9M
Maren Capital LLC Long Only Manager	Bradley Carl Schatz CEO	9.04% $162.4M	0.37% 864.0K shares	Q4 2023 Held for 1y 11m	$1.8B
Giverny Capital Inc. RIA/Wealth	Francois Rochon CEO	6.35% $187.4M	0.43% 996.7K shares	Q2 2015 Held for 10y 5m	$3.0B
MOUNTAIN PACIFIC INVESTMENT ADVISERS INC/ID RIA/Wealth	William John Palumbo CEO	5.64% $36.0M	0.08% 191.7K shares	≤ Q2 2013 Held for 12y 5m+	$639.0M
MD SASS INVESTORS SERVICES INC Long Only Manager	Martin Douglas Sass CEO	5.56% $70.9M	0.16% 376.9K shares	Q2 2024 Held for 1y 5m	$1.3B
D DUDLEY & SHANLEY, LLC RIA/Wealth	Henry Claypool Dudley Chairman	4.23% $26.3M	0.06% 139.8K shares	Q1 2018 Held for 7y 8m	$621.5M
James Hambro & Partners RIA/Wealth	Andrew J Steel CEO	4.14% $116.4M	0.27% 619.2K shares	Q3 2024 Held for 1y 2m	$2.8B
EdgePoint Investment Group Inc. Long Only Manager	Clifford Tye Bousada CEO	4.12% $551.1M	1.27% 2.9M shares	Q1 2020 Held for 5y 8m	$13.4B
P Port Capital LLC Hedge Fund•Value	Brien Michael Obrien CEO	3.62% $85.1M	0.20% 452.6K shares	Q4 2017 Held for 7y 11m	$2.4B
Signature Wealth Management Partners, LLC RIA/Wealth	Elizabeth Ann Emr Managing Partner	3.35% $6.4M	0.01% 34.1K shares	Q4 2020 Held for 4y 11m	$191.0M

Hedge Fund Spotlight

Discover hedge funds investing in AME

PANAGORA ASSET MANAGEMENT INC

Hedge Fund • Quant

Portfolio ManagerBryan David Belton

Portfolio Value: $24.8B
Positions: 1,146
Last Reported: Q3 2025

Sector Allocation

Position in Ametek

Market Value: $144.0M
Shares Held: 765.8K
Portfolio Weight: 0.58%
Owned Since: 2013-Q2

Top Holding	Sector	Market Value	Weight
1 Nvidia NVDA	Semiconductors Technology	$1.9B	7.75%
2 Apple AAPL	Consumer Electronics Technology	$1.4B	5.65%
3 Microsoft MSFT	Software - Infrastructure Technology	$1.4B	5.45%