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
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
226
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$13.2M
AAF
227
Andra AP-fonden
Sweden
$13.2M
SAM
228
Scopus Asset Management
New York
$13.2M
Credit Agricole
229
Credit Agricole
France
$13M
AssetMark Inc
230
AssetMark Inc
California
$12.9M
ASRS
231
Arizona State Retirement System
Arizona
$12.8M
EGM
232
Engineers Gate Manager
New York
$12.8M
MPM
233
Meritage Portfolio Management
Kansas
$12.8M
MOACM
234
Mutual of America Capital Management
New York
$12.7M
AIM
235
AXA Investment Managers
France
$12.5M
Comerica Bank
236
Comerica Bank
Texas
$12.5M
BTW
237
Boston Trust Walden
Massachusetts
$12.4M
CF
238
Covea Finance
France
$12.1M
BS
239
Banco Santander
Spain
$12M
SOMRS
240
State of Michigan Retirement System
Michigan
$11.7M
CIBC Asset Management
241
CIBC Asset Management
Ontario, Canada
$11.6M
JA
242
JLB & Associates
Michigan
$11.5M
Handelsbanken Fonder
243
Handelsbanken Fonder
Sweden
$11.4M
VMPIC
244
Varma Mutual Pension Insurance Co
Finland
$11.4M
CRM
245
Cramer Rosenthal McGlynn
Connecticut
$11.2M
TMAM
246
Tokio Marine Asset Management
Japan
$11.1M
CNB
247
Czech National Bank
Czech Republic
$11M
MSE
248
MUFG Securities EMEA
United Kingdom
$10.8M
MIM
249
MetLife Investment Management
New Jersey
$10.8M
First Trust Advisors
250
First Trust Advisors
Illinois
$10.7M