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Livermore
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Ametek Inc

AME
Exchange
NYSE
Industry
Industrial Instruments For Measurement, Display, and Control
SEC CIK
0001037868

In the last 90 days, Ametek Inc insiders filed 1 open-market purchase and 1 sale; 1,201 institutions reported holding it in 13F filings for Q2 2026, worth $49.7B in total; superinvestors Giverny Capital and ARK Invest hold it.

Q1 2026 vs. Q4 2025

How the institutions holding Ametek Inc changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of AME: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders1,128181,159+49
Shares205.3M31.9M200.9M+27.5M (+15.9%)
Value$42.1B$6.55B$43.0B+$7.42B (+20.8%)

18 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (138)

Institutions that held Ametek Inc at the end of Q1 2026 but not at the end of Q4 2025.

Showing the largest 100 of 138 by value.

Institutions new to AME in Q1 2026
InstitutionSharesValue% of portfolio
Vanguard Capital Management LLC14,926,515$3.20B0.08%
Vanguard Portfolio Management LLC9,850,858$2.11B0.11%
Vanguard Fiduciary Trust Co1,294,702$277.5M0.07%
Lord, Abbett & Co. LLC534,546$114.6M0.37%
Vanguard Global Advisers, LLC502,666$107.8M0.06%
Vanguard Asset Management, Ltd372,139$79.8M0.07%
CIBC Bancorp USA Inc.269,706$57.8M0.08%
Jupiter Asset Management Ltd208,242$42.9M0.23%
Groupe la Francaise133,546$28.6M0.40%
SEB Asset Management AB108,328$23.2M0.10%
Vanguard Investments Australia, Ltd.107,754$23.1M0.07%
Tudor Investment Corp Et Al100,274$21.5M0.12%
Raub Brock Capital Management LP61,250$13.1M3.32%
Longaeva Partners L.P.47,729$10.2M0.49%
Twinbeech Capital LP47,121$10.1M1.05%
Cornerstone Advisors, LLC47,116$10.1M0.37%
DuPont Capital Management Corp43,771$9.38M1.07%
Y-Intercept (Hong Kong) Ltd33,744$7.23M0.14%
Palmer Knight Co32,814$7.03M3.43%
Connor, Clark & Lunn Investment Management Ltd.31,833$6.82M0.02%
CCM Investment Advisers LLC29,710$6.37M0.61%
Ayrshire Capital Management LLC24,441$5.24M2.71%
Empowered Funds, LLC24,212$5.19M0.03%
Marvin & Palmer Associates Inc16,917$3.63M4.34%
Mirabella Financial Services LLP16,917$3.63M0.35%
Oppenheimer & Co Inc15,628$3.35M0.04%
TIAA Wealth Investment Management LLC15,210$3.26M0.02%
Atom Investors LP14,089$3.02M0.22%
Sciencast Management LP12,067$2.59M0.33%
Donoghue Forlines LLC11,389$2.44M0.68%
VCI Wealth Management LLC10,973$2.35M0.65%
Sandler Capital Management10,258$2.20M1.49%
Family Management Corp9,594$2.06M0.25%
Lombard Odier Asset Management (Switzerland) SA9,280$1.99M0.08%
Winton Group Ltd9,259$1.98M0.07%
La Banque Postale Asset Management SA7,348$1.58M0.02%
Taproot Management LP7,201$1.54M0.29%
Lecap Asset Management Ltd7,170$1.54M0.58%
ExodusPoint Capital Management, LP7,046$1.51M0.02%
Park Avenue Securities LLC6,249$1.34M0.01%
Farringdon Capital, Ltd.5,803$1.24M0.27%
Quantitative Investment Management, LLC5,719$1.23M0.13%
Brighton Jones LLC5,620$1.20M0.03%
Centiva Capital, LP5,506$1.18M0.05%
Kingsview Wealth Management, LLC4,916$1.05M0.01%
Magnetar Financial LLC4,926$1.03M0.01%
Martingale Asset Management L P4,099$878.7K0.02%
Horizon Investment Services, LLC3,923$841.0K0.29%
Inceptionr LLC3,858$827.0K0.20%
Forum Finance Group S.A.4,360$757.0K0.41%
Virtu Financial LLC3,511$752.0K0.03%
XTX Topco Ltd3,500$750.3K0.01%
Bull Harbor Capital LLC3,263$699.5K0.19%
James J. Burns & Company, LLC3,120$668.8K0.09%
LexAurum Advisors, LLC2,844$609.6K0.08%
111 Capital2,776$595.1K0.15%
Regions Financial Corp2,673$573.0K0.00%
Tiaa-Cref Individual & Institutional Services, LLC2,664$571.0K0.00%
Aigen Investment Management, LP2,640$565.9K0.15%
IMC-Chicago, LLC2,606$558.6K0.01%
Nicolet Bankshares Inc2,359$505.7K0.02%
Odyssean, LLC2,306$494.3K0.18%
CAPROCK Group, Inc.2,265$485.6K0.01%
Pensionmark Financial Group, LLC2,229$477.8K0.01%
Advisory Services Network, LLC2,186$468.6K0.01%
TAGStone Capital, Inc.2,105$451.2K0.16%
Turtle Creek Wealth Advisors, LLC2,031$435.4K0.03%
Innovative Asset Advisors Group, LLC1,918$411.1K0.24%
MASTERINVEST Kapitalanlage GmbH1,857$398.1K0.04%
Volterra Technologies LP1,821$390.4K0.28%
R Squared Ltd1,748$374.7K0.21%
Fisher Asset Management, LLC1,640$351.8K0.00%
Canandaigua National Corp1,601$343.2K0.03%
Premier Path Wealth Partners, LLC1,589$340.6K0.04%
Supplemental Annuity Collective Trust of NJ1,559$334.2K0.09%
SIH Partners, LLLP1,542$330.5K0.01%
GeoWealth Management, LLC1,533$328.8K0.01%
Roehl & Yi Investment Advisors, LLC1,356$290.7K0.11%
Edgestream Partners, L.P.1,279$274.2K0.01%
Sageworth Trust Co1,277$273.7K0.01%
Catalyst Funds Management Pty Ltd1,272$272.7K0.05%
Sentinus, LLC1,252$268.4K0.02%
Endowment Wealth Management, Inc.1,238$265.5K0.12%
Vanguard National Trust Co1,228$263.2K0.02%
TCG Advisory Services, LLC1,212$259.8K0.01%
Calamos Advisors LLC1,206$258.5K0.00%
Old National Bancorp1,196$256.4K0.00%
Trust Point Inc.1,172$251.2K0.02%
Greenspring Advisors, LLC1,093$234.3K0.01%
Wellspring Financial Advisors, LLC1,048$224.7K0.02%
Legacy Advisors, LLC985$211.1K0.02%
Benjamin Edwards Inc970$207.9K0.00%
Appleton Partners Inc967$207.0K0.01%
Welch & Forbes LLC962$206.2K0.00%
Prime Capital Investment Advisors, LLC961$206.0K0.00%
Baker Avenue Asset Management, LP958$205.3K0.00%
Inscription Capital, LLC950$203.7K0.02%
Bridgewater Advisors Inc.904$203.2K0.01%
Alta Advisers Ltd939$201.3K0.07%
River Wealth Advisors LLC937$200.9K0.02%

Sold out (89)

Institutions that held Ametek Inc at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of AME in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Two Sigma Advisers, LP651,600$133.8M
Skandinaviska Enskilda Banken AB (publ)117,719$24.2M
Tribune Investment Group LP60,000$12.3M
Pinnbrook Capital Management LP52,161$10.7M
Ofi Invest Asset Management43,087$7.53M
Night Squared LP35,858$7.36M
Rakuten Investment Management, Inc.30,315$6.33M
Quest Partners LLC18,333$3.76M
Delta Global Management LP11,987$2.46M
Bellwether Advisors, LLC11,011$2.26M
Landscape Capital Management, L.L.C.10,628$2.18M
Accurate Wealth Management, LLC9,746$2.05M
Runnymede Capital Advisors, Inc.9,718$2.00M
Mirabaud & Cie SA8,300$1.70M
Walleye Trading LLC6,569$1.35M
Blue Jean Financial LLC6,056$1.24M
Holocene Advisors, LP5,631$1.16M
Fox Run Management, L.L.C.5,543$1.14M
United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund5,000$1.03M
Two Sigma Securities, LLC4,983$1.02M
Northwest & Ethical Investments L.P.4,169$863.1K
Belpointe Asset Management LLC4,151$852.2K
Fortis Capital Advisors, LLC4,151$852.2K
CenterBook Partners LP3,835$787.4K
Headlands Technologies LLC3,299$677.3K
Neo Ivy Capital Management3,227$662.5K
Blalock Williams, LLC2,895$594.3K
Investment Advisory Group, LLC2,718$558.0K
Forum Financial Management, LP2,714$557.2K
Susquehanna Fundamental Investments, LLC2,625$538.9K
Cynosure Management, LLC2,427$498.3K
McElhenny Sheffield Capital Management, LLC2,193$450.2K
HighPoint Advisor Group LLC2,067$424.4K
First Financial Bankshares Inc1,993$409.2K
NewEdge Wealth, LLC1,950$400.3K
JMN Financial LLC1,894$388.9K
Wolverine Asset Management LLC1,800$369.6K
Moran Wealth Management, LLC1,742$357.6K
Hutchens & Kramer Investment Management Group, LLC1,643$337.3K
Howard Capital Management Inc.1,573$323.0K
Sage Mountain Advisors LLC1,519$311.9K
Fedenia Advisers LLC1,517$311.5K
Jacobs Levy Equity Management, Inc1,437$295.0K
Aaron Wealth Advisors1,379$283.1K
Valeo Financial Advisors, LLC1,364$280.1K
National Asset Management, Inc.1,229$252.4K
Vega Investment Solutions1,199$248.0K
Wealthcare Advisory Partners LLC1,088$223.5K
Boston Family Office LLC1,085$223.0K
Mach-1 Financial Group, Inc.1,038$213.1K
West Family Investments, Inc.1,026$210.6K
Sagewood Asset Management LP1,016$208.6K
Algert Global LLC1,000$205.3K
J. Goldman & Co LP984$202.0K
Great Diamond Partners, LLC982$201.6K
Group One Trading, L.P.771$158.3K
BNP Paribas729$149.7K
Caitong International Asset Management Co., Ltd612$125.7K
Sentry Investment Management LLC564$116.0K
Catalyst Capital Advisors LLC505$103.7K
Laurel Wealth Advisors LLC400$82.1K
BOK Financial Private Wealth, Inc.264$54.2K
Titan Wealth (CI) Ltd179$36.8K
Flagship Harbor Advisors, LLC155$31.8K
Bokf, NA145$29.8K
Merited Wealth, LLC137$28.1K
Greenline Wealth Management LLC59$12.1K
Elyxium Wealth, LLC53$10.9K
Itau Unibanco Holding S.A.53$10.9K
Howard Hughes Medical Institute49$10.1K
Bangor Savings Bank36$7.39K
Cedar Wealth Management, LLC36$7.39K
Optima Capital LLC21$4.31K
Tucker Asset Management LLC19$3.90K
American National Bank18$3.70K
Legacy Bridge, LLC16$3.29K
Activest Wealth Management15$3.08K
Strategic Wealth Advisors LLC16$3.00K
Wealth Watch Advisors, INC13$2.67K
Bellevue Asset Management, LLC7$1.44K
Reyes Financial Architecture, Inc.7$1.44K
Quattro Advisors LLC4$821
PEAK6 LLC3$638
CBIZ Investment Advisory Services, LLC3$616
Quest 10 Wealth Builders, Inc.3$542
Winnow Wealth LLC2$412
Luken Investment Analytics, LLC2$411
Ameriflex Group, Inc.2$411
ROSS\JOHNSON & Associates LLC1$205

Not filed for Q1 2026 yet (18)

Institutions that held Ametek Inc at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AME in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Vanguard Group Inc27,169,255$5.58B
Norges Bank4,049,351$831.4M
CCLA Investment Management Ltd271,560$55.7M
CIBC Private Wealth Group, LLC240,992$49.5M
Meritage Portfolio Management66,604$13.7M
Forsta Ap-Fonden45,200$9.28M
Comerica Bank35,607$7.31M
CIBC World Markets Corp32,050$6.58M
Long Run Wealth Advisors, LLC4,112$844.1K
O'Brien Wealth Partners LLC2,547$522.9K
Greenberg Financial Group1,697$348.4K
Global Retirement Partners, LLC1,609$330.4K
Canandaigua National Bank & Trust Co1,601$328.7K
MidWestOne Financial Group, Inc.1,578$324.0K
Thomasville National Bank1,430$293.6K
DV Equities, LLC323$66.3K
ORG Partners LLC201$41.3K
Trust Co of Vermont68$14.0K