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1,126 hedge funds and large institutions have $42.1B invested in Ametek in 2025 Q4 according to their latest regulatory filings, with 184 funds opening new positions, 400 increasing their positions, 372 reducing their positions, and 71 closing their positions.

New
Increased
Maintained
Reduced
Closed

159% more first-time investments, than exits

New positions opened: 184 | Existing positions closed: 71

78% more call options, than puts

Call options by funds: $87.1M | Put options by funds: $49M

71% more funds holding in top 10

Funds holding in top 10: 1424 (+10)

13% more capital invested

Capital invested by funds: $37.4B → $42.1B (+$4.72B)

9% more funds holding

Funds holding: 1,0331,126 (+93)

2.89% more ownership

Funds ownership: 86.33%89.22% (+2.9%)

8% more repeat investments, than reductions

Existing positions increased: 400 | Existing positions reduced: 372

Holders
1,126
Holders Change
+93
Holders Change %
+9%
% of All Funds
13.7%
Holding in Top 10
24
Holding in Top 10 Change
+10
Holding in Top 10 Change %
+71.43%
% of All Funds
0.29%
New
184
Increased
400
Reduced
372
Closed
71
Calls
$87.1M
Puts
$49M
Net Calls
+$38M
Net Calls Change
+$4.4M
Name Holding Trade Value Shares
Change
Change in
Stake
COPPSERS
251
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$11M -$372K -1,913 -3%
MGIA
252
Moneta Group Investment Advisors
Missouri
$10.8M +$39.3K +202 +0.4%
PCM
253
Pinnbrook Capital Management
New York
$10.7M +$10.1M +52,161 New
CRM
254
Cramer Rosenthal McGlynn
Connecticut
$10.7M -$1.47M -7,543 -13%
RBI
255
Raiffeisen Bank International
Austria
$10.7M +$598K +3,071 +6%
MA
256
Montag & Associates
Georgia
$10.5M +$350K +1,800 +4%
SC
257
SMA Capital
New York
$10.5M +$9.92M +51,000 New
Janney Montgomery Scott
258
Janney Montgomery Scott
Pennsylvania
$10.2M -$230K -1,181 -2%
PR
259
Payden & Rygel
California
$10.1M +$9.55M +49,100 New
Retirement Systems of Alabama
260
Retirement Systems of Alabama
Alabama
$10.1M -$57.4K -295 -0.6%
MCM
261
Marsico Capital Management
Colorado
$9.99M
BFM
262
Boothbay Fund Management
New York
$9.96M +$9.1M +46,791 +2,722%
CII
263
Capital International Inc
California
$9.83M
P
264
PensionDanmark
Denmark
$9.78M +$9.27M +47,658 New
N
265
Natixis
France
$9.63M +$1.03M +5,295 +13%
WCA
266
Waratah Capital Advisors
Ontario, Canada
$9.6M +$9.1M +46,771 New
Cetera Investment Advisers
267
Cetera Investment Advisers
Illinois
$9.43M -$281K -1,444 -3%
HighTower Advisors
268
HighTower Advisors
Illinois
$9.4M -$1.65M -8,477 -16%
LRPA
269
L. Roy Papp & Associates
Arizona
$9.32M +$327K +1,683 +4%
Mirae Asset Global Investments
270
Mirae Asset Global Investments
South Korea
$9.3M +$1.45M +7,458 +20%
ProShare Advisors
271
ProShare Advisors
Maryland
$9.29M +$613K +3,152 +7%
FAF
272
Första AP-fonden
Sweden
$9.28M -$233K -1,200 -3%
II
273
IFM Investors
Australia
$9.27M +$161K +826 +2%
EAM
274
Erste Asset Management
Austria
$9.16M +$5.64M +29,002 +192%
BTW
275
Boston Trust Walden
Massachusetts
$9.12M -$4.22M -21,710 -33%