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1,150 hedge funds and large institutions have $43B invested in Ametek in 2026 Q1 according to their latest regulatory filings, with 136 funds opening new positions, 463 increasing their positions, 369 reducing their positions, and 90 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

2% more capital invested

Capital invested by funds: $42.1B → $43B (+$859M)

1.54% less ownership

Funds ownership: 89.22%87.68% (-1.5%)

8% less funds holding in top 10

Funds holding in top 10: 2422 (-2)

Holders
1,150
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
22
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$99M
Puts
$46.3M
Net Calls
Net Calls Change

Top Buyers

1 +$247M
2 +$168M
3 +$143M
4
Two Sigma Investments
Two Sigma Investments
New York
+$138M
5
JP Morgan Chase
JP Morgan Chase
New York
+$122M

Top Sellers

1 -$256M
2 -$232M
3 -$215M
4
BlackRock
BlackRock
New York
-$183M
5
ATO
Alecta Tjanstepension Omsesidigt
Sweden
-$165M
Name Holding Trade Value Shares
Change
Change in
Stake
AB
301
Amalgamated Bank
New York
$9.01M
BTW
302
Boston Trust Walden
Massachusetts
$9M
UHC
303
Union Heritage Capital
Michigan
$8.86M
LFM
304
LGT Fund Management
Liechtenstein
$8.65M
HIC
305
Harvey Investment Company
Kentucky
$8.57M
UIM
306
USS Investment Management
United Kingdom
$8.55M
SAM
307
Sawgrass Asset Management
Florida
$8.45M
IMPI
308
Ilmarinen Mutual Pension Insurance
Finland
$8.36M
DCM
309
Decatur Capital Management
Georgia
$8.32M
OSAM
310
O'Shaughnessy Asset Management
Connecticut
$8.3M
SI
311
Stephens Inc
Arkansas
$8.28M
URS
312
Utah Retirement Systems
Utah
$8.03M
Public Sector Pension Investment Board (PSP Investments)
313
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$7.96M
ProShare Advisors
314
ProShare Advisors
Maryland
$7.89M
NAMP
315
NorthStar Asset Management (Pennsylvania)
Pennsylvania
$7.88M
TI
316
Tidal Investments
Wisconsin
$7.88M
OIMU
317
Osmosis Investment Management UK
United Kingdom
$7.87M
Wealthfront Advisers
318
Wealthfront Advisers
California
$7.85M
AG
319
AIA Group
Hong Kong
$7.71M
RPI
320
Railway Pension Investments
United Kingdom
$7.69M
PFSRSONJ
321
Police & Firemen's Retirement System of New Jersey
New Jersey
$7.62M
MIP
322
Marietta Investment Partners
Wisconsin
$7.61M
Mercer Global Advisors
323
Mercer Global Advisors
Colorado
$7.58M
PGFC
324
Peapack-Gladstone Financial Corp
New Jersey
$7.54M
JIC
325
Johnson Investment Counsel
Ohio
$7.44M