Stock Ownership/AME

AMETEK INC (AME): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in AME · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
42
13F filers
Aggregate Value
$3.7B
Across holders
Last Price
$242.33
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity21 increased20 reduced1 exited
Full exits: CAPSTONE INVESTMENT ADVISORS, LLC
Institutional Holders of AME
↗
42 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund1.52M$367.0M9.9%0.3%Added+$19.2MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund1.47M$356.5M9.6%0.6%Added+$355.7MQ2 2026
EdgePoint Investment Group Inc.
CIK 0001481669
Hedge Fund1.46M$352.8M9.5%2.7%Reduced$-100.7MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund1.38M$329.7M8.9%0.1%Added+$329.6MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund1.12M$270.5M7.3%0.0%Reduced+$253.6MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund1.05M$254.7M6.8%0.3%Added+$70.0MQ2 2026
PRIMECAP MANAGEMENT CO/CA/
CIK 0000763212
Institutional Manager823K$199.2M5.4%0.1%Unchanged+$0Q2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund783K$189.5M5.1%0.1%Added+$100.0MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund591K$143.0M3.8%0.1%Reduced$-61.6MQ2 2026
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
Institutional Manager544K$131.7M3.5%1.2%Reduced$-1.0MQ2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$367.0M· 9.9% of total· 0.3% port· 1.52M sh· +$19.2M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$356.5M· 9.6% of total· 0.6% port· 1.47M sh· +$355.7M QoQ· Q2 2026
EdgePoint Investment Group Inc.Reduced
Hedge Fund
$352.8M· 9.5% of total· 2.7% port· 1.46M sh· $-100.7M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$329.7M· 8.9% of total· 0.1% port· 1.38M sh· +$329.6M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$270.5M· 7.3% of total· 0.0% port· 1.12M sh· +$253.6M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$254.7M· 6.8% of total· 0.3% port· 1.05M sh· +$70.0M QoQ· Q2 2026
PRIMECAP MANAGEMENT CO/CA/Unchanged
Institutional Manager
$199.2M· 5.4% of total· 0.1% port· 823K sh· +$0 QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$189.5M· 5.1% of total· 0.1% port· 783K sh· +$100.0M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$143.0M· 3.8% of total· 0.1% port· 591K sh· $-61.6M QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$131.7M· 3.5% of total· 1.2% port· 544K sh· $-1.0M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPReduced
Hedge Fund
$127.7M· 3.4% of total· 0.1% port· 528K sh· $-3.4M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$116.2M· 3.1% of total· 0.1% port· 480K sh· +$25.8M QoQ· Q2 2026
TCW GROUP INCReduced
Hedge Fund
$115.8M· 3.1% of total· 0.8% port· 478K sh· +$89.6M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$98.4M· 2.6% of total· 0.1% port· 407K sh· $-296.2M QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCReduced
Hedge Fund
$95.0M· 2.6% of total· 0.4% port· 392K sh· $-27.9M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$66.6M· 1.8% of total· 0.1% port· 275K sh· +$66.6M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$58.3M· 1.6% of total· 0.1% port· 241K sh· +$58.0M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$54.9M· 1.5% of total· 0.2% port· 227K sh· +$41.0M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced
Hedge Fund
$49.4M· 1.3% of total· 0.1% port· 204K sh· $-484K QoQ· Q2 2026
Davidson Kempner Capital Management LPAdded
Hedge Fund
$48.4M· 1.3% of total· 0.6% port· 200K sh· +$4.8M QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDReduced
Hedge Fund
$47.1M· 1.3% of total· 0.2% port· 200K sh· $-1.9M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$44.7M· 1.2% of total· 0.1% port· 185K sh· +$8.9M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$44.0M· 1.2% of total· 0.1% port· 182K sh· $-30.0M QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$43.2M· 1.2% of total· 0.2% port· 178K sh· +$43.1M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$28.5M· 0.8% of total· 0.1% port· 118K sh· +$294K QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$21.6M· 0.6% of total· 0.0% port· 89K sh· +$21.0M QoQ· Q2 2026
Hudson Bay Capital Management LPReduced
Hedge Fund
$18.8M· 0.5% of total· 0.1% port· 78K sh· $-98K QoQ· Q2 2026
PineBridge Investments, L.P.Added
Hedge Fund
$6.7M· 0.2% of total· 0.0% port· 36K sh· +$2.4M QoQ· Q3 2025
Lighthouse Investment Partners, LLCReduced
Hedge Fund
$6.5M· 0.2% of total· 0.2% port· 27K sh· $-8.2M QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$6.4M· 0.2% of total· 0.0% port· 26K sh· — QoQ· Q2 2026
Verition Fund Management LLCReduced
Hedge Fund
$5.4M· 0.1% of total· 0.0% port· 22K sh· $-5.7M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$4.9M· 0.1% of total· 0.0% port· 20K sh· $-7.9M QoQ· Q2 2026
Fulcrum Asset Management LLPReduced
Hedge Fund
$4.7M· 0.1% of total· 0.5% port· 20K sh· $-418K QoQ· Q2 2026
Clearbridge Investments, LLCReduced
Hedge Fund
$4.5M· 0.1% of total· 0.0% port· 18K sh· $-2K QoQ· Q2 2026
CAXTON ASSOCIATES LLPReduced
Hedge Fund
$2.7M· 0.1% of total· 0.1% port· 11K sh· $-1.3M QoQ· Q2 2026
Magnetar Financial LLCAdded
Hedge Fund
$2.0M· 0.1% of total· 0.0% port· 8K sh· +$1.0M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$1.7M· 0.0% of total· 0.0% port· 7K sh· +$285K QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCAdded
Institutional Manager
$1.3M· 0.0% of total· 0.0% port· 5K sh· — QoQ· Q2 2026
Woodline Partners LPReduced
Hedge Fund
$890K· 0.0% of total· 0.0% port· 4K sh· $-1.7M QoQ· Q2 2026
Ancora Advisors, LLCReduced
Hedge Fund
$828K· 0.0% of total· 0.0% port· 3K sh· $-69K QoQ· Q2 2026
Fisher Asset Management, LLCAdded
Institutional Manager
$602K· 0.0% of total· 0.0% port· 2K sh· +$205K QoQ· Q2 2026
Bridgewater Advisors Inc.Added
Hedge Fund
$246K· 0.0% of total· 0.0% port· 1K sh· +$31K QoQ· Q2 2026
1–10 of 42
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