1,018 hedge funds and large institutions have $37.3B invested in Ametek in 2025 Q3 according to their latest regulatory filings, with 119 funds opening new positions, 385 increasing their positions, 337 reducing their positions, and 76 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: $36.7B → $37.3B (+$588M)

1.95% less ownership

Funds ownership: 88.09%86.14% (-1.9%)

7% less funds holding in top 10

Funds holding in top 10: 1514 (-1)

Holders
1,018
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
14
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$48.8M
Puts
$15.2M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
LRPA
276
L. Roy Papp & Associates
Arizona
$8.21M
TRSOTSOK
277
Teachers Retirement System of the State of Kentucky
Kentucky
$8.18M
SAM
278
Sawgrass Asset Management
Florida
$8.08M
ProShare Advisors
279
ProShare Advisors
Maryland
$7.92M
GCM
280
Graham Capital Management
Connecticut
$7.91M
Stifel Financial
281
Stifel Financial
Missouri
$7.86M
N
282
Natixis
France
$7.82M
UHC
283
Union Heritage Capital
Michigan
$7.77M
HIC
284
Harvey Investment Company
Kentucky
$7.68M
CCS
285
Concentric Capital Strategies
Connecticut
$7.61M
UIM
286
USS Investment Management
United Kingdom
$7.5M
SMDAM
287
Sumitomo Mitsui DS Asset Management
Japan
$7.46M
SI
288
Stephens Inc
Arkansas
$7.34M
IMPI
289
Ilmarinen Mutual Pension Insurance
Finland
$7.33M
AG
290
Ascent Group
Virginia
$7.19M
URS
291
Utah Retirement Systems
Utah
$7.14M
Mirae Asset Global Investments
292
Mirae Asset Global Investments
South Korea
$7.12M
NAMP
293
NorthStar Asset Management (Pennsylvania)
Pennsylvania
$7.05M
PFSRSONJ
294
Police & Firemen's Retirement System of New Jersey
New Jersey
$6.97M
Schroder Investment Management Group
295
Schroder Investment Management Group
United Kingdom
$6.96M
PGFC
296
Peapack-Gladstone Financial Corp
New Jersey
$6.96M
MIM
297
Martin Investment Management
Florida
$6.82M
BA
298
Bridgewater Associates
Connecticut
$6.81M
MIP
299
Marietta Investment Partners
Wisconsin
$6.8M
Mackenzie Financial
300
Mackenzie Financial
Ontario, Canada
$6.79M