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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
MC
501
Mirabaud & Cie
Switzerland
$1.7M -$486K -2,500 -23%
CAM
502
Carret Asset Management
New York
$1.7M
CAG
503
Crestwood Advisors Group
Massachusetts
$1.7M +$21.2K +109 +1%
VPI
504
Value Partners Investments
Manitoba, Canada
$1.7M +$73.4K +377 +5%
OAC
505
OMERS Administration Corp
Ontario, Canada
$1.7M -$8.37M -43,000 -84%
DC
506
Davenport & Co
Virginia
$1.7M +$258K +1,326 +19%
QT
507
Quantbot Technologies
New York
$1.69M -$12.8M -65,938 -89%
Alyeska Investment Group
508
Alyeska Investment Group
Illinois
$1.66M +$1.57M +8,064 New
ACA
509
Affinity Capital Advisors
California
$1.63M -$180K -923 -10%
WA
510
Wasatch Advisors
Utah
$1.63M -$253K -1,299 -14%
NDSIB
511
North Dakota State Investment Board
North Dakota
$1.62M +$1.54M +7,900 New
HWM
512
HB Wealth Management
Georgia
$1.61M +$106K +547 +7%
AWM
513
Absher Wealth Management
North Carolina
$1.61M -$95.3K -490 -6%
PCA
514
Pallas Capital Advisors
Massachusetts
$1.61M +$27K +139 +2%
EF
515
Empirical Finance
Pennsylvania
$1.61M -$65.6K -337 -4%
IIA
516
ICW Investment Advisors
Arizona
$1.61M +$9.92K +51 +0.7%
CL
517
CIM LLC
New York
$1.61M +$35.8K +184 +2%
IA
518
Inspire Advisors
Idaho
$1.59M +$98.5K +506 +7%
RWP
519
RWA Wealth Partners
Massachusetts
$1.59M -$62.3K -320 -4%
WP
520
Woodline Partners
California
$1.55M -$15.6M -80,289 -91%
ECM
521
Everence Capital Management
Indiana
$1.54M +$414K +2,129 +40%
DWA
522
Douglass Winthrop Advisors
New York
$1.54M
DT
523
Diversified Trust
Tennessee
$1.53M -$196K -1,007 -12%
TRCT
524
Tower Research Capital (TRC)
New York
$1.53M -$392K -2,013 -21%
SDIC
525
South Dakota Investment Council
South Dakota
$1.52M -$38.9K -200 -3%