13F

Stock

Ametek Inc/

AME · held by 1,147 managers

Reported value

$40.1B

Holders

1,147

+116 new · −93 exited

Holders’ est. mark

$1.36B

Price effect on 238 books still in the name

Largest holder

$4.04B

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.18.8M$4.04B$170.4MAdded$1.03M
VANGUARD CAPITAL MANAGEMENT LLC14.9M$3.2BHeld
State Street10.1M$2.16B$90.1MAdded$117.4M
VANGUARD PORTFOLIO MANAGEMENT LLC9.85M$2.11BHeld
GEODE CAPITAL MANAGEMENT, LLC6.13M$1.31B$53.3MAdded$103.3M
JPMORGAN CHASE & CO4.66M$970.5M$12.6MAdded$126.8M
Fidelity4.36M$934.2M$39.4MAdded$10.8M
MORGAN STANLEY3.87M$829.2M$35MAdded$15.6M
FLOSSBACH VON STORCH SE3.46M$741.3M$31.3MCut−$43.1M
Invesco Ltd.3.13M$671.1M$28.3MCut−$207.9M
WELLINGTON MANAGEMENT GROUP LLP2.8M$599.6M$25.3MAdded$23.1M
Bank of New York Mellon Corp2.5M$536.9M$21.6MAdded$47.3M
NORTHERN TRUST CORP2.35M$503.8M$21.2MAdded$23.9M
DIMENSIONAL FUND ADVISORS LP2.08M$444.8M$18.4MAdded$24.7M
EdgePoint Investment Group Inc.1.87M$401.8M$17MCut−$197.5M
Capital World Investors1.85M$396.4M$9.87MAdded$172.4M
PRINCIPAL FINANCIAL GROUP INC1.78M$381.2M$16.1MCut−$37.1M
GOLDMAN SACHS GROUP INC1.68M$361.1M$15.2MCut−$118.5M
BANK OF AMERICA CORP /DE/1.65M$353.3M$13.9MAdded$38.6M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC1.63M$349.9M$13.7MAdded$39.3M
TWO SIGMA INVESTMENTS, LP1.63M$349.6M$9.14MAdded$142.2M
LAZARD ASSET MANAGEMENT LLC1.62M$346.9M$14MAdded$29.2M
ROYAL BANK OF CANADA1.45M$310.2M$13.1MAdded$12.8M
Citadel1.45M$309.8M$13.1MCut−$46.6M
Qube Research & Technologies Ltd1.44M$308.2M$10.2MAdded$77.9M
MASSACHUSETTS FINANCIAL SERVICES CO /MA/1.41M$305.9M$10.6MAdded$108.8M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC1.43M$305.7M$12.6MAdded$20.7M
Legal & General Group Plc1.35M$290.3M$12.3MAdded$10.7M
UBS Group AG1.33M$284.5M$7.86MAdded$106.1M
FRANKLIN RESOURCES INC1.32M$283.8M$12MAdded$9.62M
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC1.32M$282.9M$11.9MCut−$11.8M
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main1.3M$278.7M$1.72MAdded$239.7M
VANGUARD FIDUCIARY TRUST CO1.29M$277.5MHeld
Boston Partners1.26M$269.2M$11.3MAdded$512.7K
Amundi1.25M$268.7M$11.3MCut−$91.8M
DEUTSCHE BANK AG\1.21M$259.5M$11MAdded$9.49M
HSBC HOLDINGS PLC1.16M$248.4M$10.2MCut−$11.2M
Man Group plc1.14M$244.3M$9.93MAdded$19M
Icahn Capital1.04M$221M$5.64MAdded$36.8M
BARCLAYS PLC1.02M$219.5M$6.42MAdded$73.8M
NEUBERGER BERMAN GROUP LLC1.02M$218M$8.01MAdded$36.3M
AMERICAN CENTURY COMPANIES INC932.6K$199.9M$6.67MAdded$48.7M
GABELLI FUNDS LLC928.8K$199.1M$8.41MAdded$5.25M
D. E. Shaw & Co., Inc.890.3K$190.8M$8.06MCut−$102.1M
Maren Capital LLC889.5K$190.7M$7.92MAdded$11M
NORDEA INVESTMENT MANAGEMENT AB898.1K$189M$3.28MAdded$12.9M
Navera Investment Management Ltd.854.8K$183.2M$7.65MAdded$1.07M
PRIMECAP MANAGEMENT CO/CA/823.2K$176.5M$7.45MAdded$7.45M
JONES FINANCIAL COMPANIES LLLP795.4K$166.6M$639.1KAdded$135.4M
Balyasny Asset Management L.P.763.4K$163.6M$6.91MCut−$56.2M
SNYDER CAPITAL MANAGEMENT L P750.8K$160.9M$6.79MCut−$6.07M
WESTFIELD CAPITAL MANAGEMENT CO LP745.8K$159.9M$6.75MCut−$24.9M
Bank Julius Baer & Co. Ltd, Zurich748.8K$159.5M$5.46MCut−$7.28M
Alecta Tjanstepension Omsesidigt730.4K$156.5M$6.57MCut−$146.1M
Compagnie Lombard Odier SCmA729.2K$156.3M$6.32MAdded$12.8M
Nuveen, LLC690.8K$148.1M$4.37MAdded$49M
Swiss National Bank675.6K$144.8M$5.73MAdded$14.9M
1832 Asset Management L.P.623K$133.5M$5.64MCut−$31.1M
Giverny Capital Inc.612.1K$131.2M$5.54MCut−$69.9M
James Hambro & Partners LLP583.4K$125M$5.26MAdded$50.8K
Allianz Asset Management GmbH583.3K$125M$5.28MAdded$1.37M
SILVERCREST ASSET MANAGEMENT GROUP LLC558.1K$119.6M$5.01MAdded$5.94M
HM PAYSON & CO554K$118.8M$5.01MAdded$2.27M
GAMCO INVESTORS, INC. ET AL548.6K$117.6M$4.96MCut−$7M
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP542K$116.2M$4.02MAdded$25M
Cartenna Capital, LP535K$114.7M$3.17MAdded$42.8M
AMERIPRISE FINANCIAL INC531.7K$113.9M$4.66MAdded$6.64M
ROYAL LONDON ASSET MANAGEMENT LTD528.4K$113.3M$4.78MAdded$2.79M
Mitsubishi UFJ Asset Management Co., Ltd.519.2K$111.3M$2.54MAdded$9.4M
VOLORIDGE INVESTMENT MANAGEMENT, LLC507.7K$108.8M$4.6MCut−$50.5M
Vanguard Global Advisers, LLC502.7K$107.8MHeld
Sumitomo Mitsui Trust Group, Inc.498.7K$106.9M$4.51MCut−$1.32M
TCW GROUP INC486.9K$104.4M$4.32MAdded$6.4M
BNP PARIBAS FINANCIAL MARKETS485.4K$104M$4.39MCut−$630.8K
ENVESTNET ASSET MANAGEMENT INC470.1K$100.8M$1.67MAdded$62.9M
BLAIR WILLIAM & CO/IL457.4K$98.1M$4.14MCut−$1.76M
RHUMBLINE ADVISERS452.5K$97M$4.09MAdded$3.92M
Port Capital LLC432.2K$92.7M$3.91MCut−$83.1K
Capital International Investors432.1K$91.9M$2.74MAdded$10.7M
Champlain Investment Partners, LLC425.4K$91.2M$3.85MCut−$35.5M
Ensign Peak Advisors, Inc421.2K$90.3M$3.81MCut−$1.59M
SEI INVESTMENTS CO419.2K$89.9M$3.12MAdded$19.1M
BNP PARIBAS ASSET MANAGEMENT Holding S.A.415.4K$89M$84.8MAdded$89M
WELLS FARGO & COMPANY/MN407K$87.2M$3.49MAdded$8.11M
PRUDENTIAL FINANCIAL INC405.8K$87M$1.21MAdded$59.6M
California Public Employees Retirement System401K$86M$3.63MCut−$2.59M
Dixon Mitchell Investment Counsel Inc.399.8K$85.7M$3.62MAdded$3.22M
RAYMOND JAMES FINANCIAL INC390.2K$83.6M$3.48MAdded$4.63M
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM387.7K$83.1M$3.51MAdded$1.41M
Harding Loevner LP378.7K$81.2M$3.43MCut−$5.4M
CANADA PENSION PLAN INVESTMENT BOARD376.3K$80.7M$3.02MAdded$12.2M
Point72 Asset Management, L.P.373.9K$80.1M$1.13MAdded$54.5M
VANGUARD ASSET MANAGEMENT, Ltd372.1K$79.8MHeld
Russell Investments Group, Ltd.373.9K$79.8M$2.59MAdded$10.3M
MILLENNIUM MANAGEMENT LLC369.9K$79.3M$3.35MCut−$87.6M
GLENMEDE TRUST CO NA368.5K$79M$3.33MAdded$2.27M
M.D. Sass, LLC361.8K$77.6M$3.27MCut−$254.1K
Fenimore Asset Management Inc359.2K$77M$3.25MAdded$1.48M
Life Cycle Investment Partners Ltd347.9K$74.6M$2.07MAdded$27.7M
National Pension Service333.6K$71.5M$2.77MAdded$8.61M
CAPTRUST FINANCIAL ADVISORS324.4K$69.5M$2.43MAdded$14.4M
JANUS HENDERSON GROUP PLC321.1K$68.8M$2.88MCut−$13.1M
DANSKE BANK A/S316.9K$67.9M$2.87MAdded$2.05M
DAVIS R M INC307.1K$65.8M$2.78MAdded$1.92M
Renaissance Technologies306.1K$65.6M$1.4MAdded$33.9M
Curi Capital, LLC298.2K$64.4M$3.09MAdded$4.34M
VICTORY CAPITAL MANAGEMENT INC292.9K$62.8M$2.62MAdded$3.42M
Universal- Beteiligungs- und Servicegesellschaft mbH287.7K$61.6M$2.43MAdded$2.17M
Freestone Grove Partners LP285.4K$61.2M$2.58MCut−$60.7M
Artisan Partners Limited Partnership273.4K$58.6M$1.62MAdded$21.8M
PFA Pension, Forsikringsaktieselskab272.5K$58.4M$2MAdded$2M
CIBC Bancorp USA Inc.269.7K$57.8MHeld
Mariner, LLC258.4K$55.4M$2.14MAdded$6.63M
JENNISON ASSOCIATES LLC256.7K$55M$1.2MAdded$27.7M
ALLIANCEBERNSTEIN L.P.260.7K$53.5M−$0Cut−$3.6M
Robeco Institutional Asset Management B.V.246.1K$52.7M$1.66MAdded$15.1M
Santori & Peters, Inc.245.2K$52.6M$2.22MAdded$2.22M
Aristotle Atlantic Partners, LLC243.7K$52.2M$2.11MAdded$4.3M
Caisse de depot et placement du Quebec235.7K$50.5M$2.13MCut−$14.2M
PANAGORA ASSET MANAGEMENT INC231.9K$49.7M$2.1MCut−$14.6M
BANK OF MONTREAL /CAN/231.5K$49.6M$2.1MCut−$4.63M
Aberdeen Group plc224K$48M$2.03MAdded$785.1K
NISSAY ASSET MANAGEMENT CORP /JAPAN223.1K$47.8M$1.89MAdded$5M
Engineers Gate Manager LP220.2K$47.2M$159.2KAdded$43.6M
FACTORY MUTUAL INSURANCE CO217.3K$46.6M$1.95MAdded$2.42M
TimesSquare Capital Management, LLC211.6K$45.4M$1.91MCut−$3.23M
ADAGE CAPITAL PARTNERS GP, L.L.C.206.2K$44.2M$1.65MAdded$6.67M
Guinness Asset Management LTD204.7K$43.9M$1.16MCut−$8.25M
Sarasin & Partners LLP201.8K$43.3M$99.5KAdded$41M
JUPITER ASSET MANAGEMENT LTD208.2K$42.9MNew
Mawer Investment Management Ltd.198.9K$42.6M$1.8MAdded$1.35M
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM197.1K$42.2M$1.78MAdded$1.78M
TD Asset Management Inc195.3K$41.9M$1.6MAdded$5.52M
PNC Financial Services Group, Inc.193.6K$41.5M$1.75MAdded$1.87M
Zurcher Kantonalbank (Zurich Cantonalbank)193.5K$41.5M$1.03MAdded$18M
AVIVA PLC189.9K$40.7M$1.67MAdded$2.85M
CITIGROUP INC187.2K$40.1M$1.17MAdded$13.7M
Federation des caisses Desjardins du Quebec182.3K$39.1M$1.14MAdded$13.3M
MOUNTAIN PACIFIC INVESTMENT ADVISERS LLC180.3K$38.6M$1.63MAdded$134.6K
Davidson Kempner Capital Management LP180K$38.6M$1.13MAdded$12.9M
NORTH STAR ASSET MANAGEMENT INC175.3K$37.6M$1.59MAdded$1.11M
MARSHALL WACE, LLP173.3K$37.1M$1.32MAdded$7.25M
MAR VISTA INVESTMENT PARTNERS LLC171.1K$36.7M$1.55MAdded$686.6K
Howard Capital Management Group, LLC165K$35.4M$1.46MAdded$2.26M
Dundas Partners LLP163.9K$35.1M$1.48MAdded$206.3K
TEACHER RETIREMENT SYSTEM OF TEXAS162.3K$34.8M$1.47MCut−$8.29M
Quantinno Capital Management LP160.6K$34.4M$1.14MAdded$8.46M
JANE STREET GROUP, LLC159.2K$34.1M$135.1KAdded$31.1M
Allspring Global Investments Holdings, LLC156.1K$34.1M$1.48MAdded$1.53M
ASR Vermogensbeheer N.V.156.3K$33.5M$1.41MAdded$1.38M
Daiwa Securities Group Inc.154.9K$33.2M$32.2MAdded$33.2M
Walleye Capital LLC152.5K$32.7M$810.8KAdded$14.3M
STOREBRAND ASSET MANAGEMENT AS149.5K$32M$1.01MAdded$9.16M
NATIONAL BANK OF CANADA /FI/148.8K$31.9M$1.35MAdded$10.3K
Gotham Asset Management, LLC147.8K$31.7M$869.9KAdded$11.9M
Korea Investment CORP147.2K$31.5M$1.33MCut−$4.02M
MANUFACTURERS LIFE INSURANCE COMPANY, THE146.4K$31.4M$1.32MCut−$10.4M
STRS OHIO145.3K$31.1M$1.32MAdded$1.31M
LPL Financial LLC143.6K$30.8M$1.01MAdded$7.9M
Cumberland Partners Ltd143.5K$30.8M$208.7KAdded$26M
ZWJ INVESTMENT COUNSEL INC140.6K$30.1M$1.08MAdded$5.55M
VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.140.5K$30.1M$1.24MAdded$1.97M
Empire Life Investments Inc.137K$30M$1.83MAdded$159.5K
DUDLEY & SHANLEY, INC.139.7K$30M$1.26MAdded$1.25M
ROFFMAN MILLER ASSOCIATES INC /PA/137.7K$29.5M$1.25MAdded$570.2K
CI INVESTMENTS INC.136.8K$29.3M$1.24MCut−$1.4M
Cornerstone Capital, Inc.133.8K$28.7M$1.17MAdded$2.09M
KLP KAPITALFORVALTNING AS133.8K$28.7M$727.1KAdded$12.2M
Groupe la Francaise133.5K$28.6MNew
Cresset Asset Management, LLC131.1K$28.1M$1.18MAdded$1.42M
KING LUTHER CAPITAL MANAGEMENT CORP130.9K$28.1M$1.18MAdded$1.09M
SCOPUS ASSET MANAGEMENT, L.P.130.5K$28M$1.06MAdded$4.01M
STATE OF WISCONSIN INVESTMENT BOARD127.8K$27.4M$1.08MAdded$2.82M
PALISADE CAPITAL MANAGEMENT, LP126.3K$27.1M$1.14MAdded$601.8K
NEW YORK STATE COMMON RETIREMENT FUND124.9K$26.8M$1.13MAdded$268.3K
APG Asset Management N.V.141.4K$26.3M$1.59MCut−$260.2K
Cerity Partners LLC121.8K$26.1M$1.05MAdded$2.27M
FIRST TRUST ADVISORS LP120.8K$25.9M$905.9KAdded$5.35M
LGT Group Foundation120.6K$25.8M$883.8KAdded$496.3K
Pictet Asset Management Holding SA120.5K$25.8M$1.09MAdded$1.15M
Chevy Chase Trust Holdings, LLC118.1K$25.3M$1.07MAdded$463.4K
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.117.2K$25.1M$1.06MAdded$498K
OSTERWEIS CAPITAL MANAGEMENT INC116.9K$25.1M$1.06MCut−$4.34M
Alyeska Investment Group, L.P.116.5K$25M$73KAdded$23.3M
Bridgewater116.5K$25M$41.7KAdded$24M
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO112.1K$24M$961.6KAdded$2.22M
NICHOLAS COMPANY, INC.109.4K$23.4M$989.1KAdded$1M
Smith Salley Wealth Management109K$23.4M$976.8KAdded$1.2M
MARSICO CAPITAL MANAGEMENT LLC108.6K$23.3M$440.1KAdded$13.3M
SCHAPER BENZ & WISE INVESTMENT COUNSEL INC/WI108.5K$23.3M$977.1KAdded$1.09M
SEB Asset Management AB108.3K$23.2MHeld
Vanguard Investments Australia, Ltd.107.8K$23.1MHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.103.4K$22.2M$748.4KAdded$5.2M
Asset Management One Co., Ltd.102.2K$21.9M$583.6KAdded$686.5K
VOYA INVESTMENT MANAGEMENT LLC100.7K$21.6M$911.4KCut−$2.4M
Corient Private Wealth LLC102.9K$21.6M$428KCut−$733.9K
TUDOR INVESTMENT CORP ET AL100.3K$21.5MNew
FIL Ltd99.8K$21.4M$903.4KCut−$559.2K
Mitsubishi UFJ Trust & Banking Corp98.7K$21.2M$881.9KAdded$1.16M
CIBC Asset Management Inc98.4K$21.1M$761.9KAdded$3.8M
PICTON MAHONEY ASSET MANAGEMENT90.6K$19.4M$820.2KAdded$388.2K
COMMERCE BANK88.4K$18.9M$799.6KAdded$553.2K
Jump Financial, LLC85.4K$18.3M$103KAdded$16M
BOOTHBAY FUND MANAGEMENT, LLC84.8K$18.2M$439KAdded$8.22M
TOKIO MARINE ASSET MANAGEMENT CO LTD84.1K$18M$520.2KAdded$6.22M
State of Tennessee, Department of Treasury84K$18M−$807.7KCut−$807.7K
GHP Investment Advisors, Inc.83K$17.8M$736KAdded$1.09M
FIFTH THIRD BANCORP82.9K$17.8M$64.7KAdded$16.3M
BANK OF NOVA SCOTIA81.9K$17.6M$583.4KAdded$4.23M
CONGRESS ASSET MANAGEMENT CO80.8K$17.3M$687.9KAdded$1.73M
Tredje AP-fonden80.6K$17.3M$296.1KAdded$10.6M
DNB Asset Management AS80.6K$17.3M$682.3KAdded$1.79M
IEQ CAPITAL, LLC80.3K$17.2M$726.1KAdded$416.7K
LOS ANGELES CAPITAL MANAGEMENT LLC79.5K$17M$16.6KAdded$16.8M
State of New Jersey Common Pension Fund D79.4K$17M$718.2KAdded$718.2K
NOMURA ASSET MANAGEMENT CO LTD79.2K$17M$693.7KAdded$1.24M
Mediolanum International Funds Ltd81.1K$16.9M$108.7KCut−$10.4M
Hudson Bay Capital Management LP78.2K$16.8M$707.4KCut−$769.6K
Trexquant Investment LP77.7K$16.6M$217.3KAdded$11.7M
Swedbank AB77.4K$16.6M$700.5KCut−$334.5K
Waratah Capital Advisors Ltd.77.2K$16.5M$423.3KAdded$6.95M
TORONTO DOMINION BANK76.4K$16.4M$695KCut−$14.3M
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC75.8K$16.2M$685.6KAdded$586.4K
Jain Global LLC74K$15.9M$669.6KCut−$10M
Lansforsakringar Fondforvaltning AB (publ)72.8K$15.6M$658.5KAdded$559.5K
Varma Mutual Pension Insurance Co70.9K$15.2M$641.4KAdded$641.4K
Creative Planning70.2K$15M$493.7KAdded$3.84M
Resona Asset Management Co.,Ltd.69.4K$14.8M$505.6KAdded$632.9K
HCR Wealth Advisors68.5K$14.7M$619.5KCut−$1.23M
WORLDQUANT MILLENNIUM ADVISORS LLC68.4K$14.7M$618.9KCut−$29.1M
Running Oak Capital LLC67.3K$14.4M$609.5KCut−$2.01M
NOVARE CAPITAL MANAGEMENT LLC66.4K$14.2M$601.2KCut−$167.1K
BLI - Banque de Luxembourg Investments68.4K$13.9M−$231.6KCut−$231.6K
Covea Finance64.3K$13.8M$581.6KAdded$581.6K
NISA INVESTMENT ADVISORS, LLC64K$13.7M$579.2KCut−$3.41M
CWM, LLC63.9K$13.7M$13.1MAdded$13.7M
Aquatic Capital Management LLC63K$13.5M$165KAdded$9.75M
Czech National Bank62.7K$13.4M$549.4KAdded$976.6K
ARIZONA STATE RETIREMENT SYSTEM62.6K$13.4M$566.2KAdded$401.2K
NATIXIS62K$13.3M$424.6KAdded$3.67M
Investment Management Corp of Ontario61.5K$13.2M$171.5KAdded$9.29M
Quantbot Technologies LP61.4K$13.2M$74.6KAdded$11.5M
EP Wealth Advisors, LLC61.3K$13.1M$554.8KCut−$171.2K
Raub Brock Capital Management LP61.3K$13.1MNew
STATE OF MICHIGAN RETIREMENT SYSTEM60.2K$12.9M$544.4KAdded$523.9K
STIFEL FINANCIAL CORP58.2K$12.5M$526.3KAdded$359.8K
Schonfeld Strategic Advisors LLC57.3K$12.3M$518.5KCut−$23.3M
Banco Santander, S.A.57K$12.2M$516.2KCut−$11.1M
Mirae Asset Global Investments Co., Ltd.57K$12.2M$410.1KAdded$2.92M
JLB & ASSOCIATES INC57K$12.2M$515.7KCut−$52.8K

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.