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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
MAM
576
Mystic Asset Management
Rhode Island
$1.09M -$38.9K -200 -4%
PMA
577
Prudent Man Advisors
Illinois
$1.08M -$18.3K -94 -2%
MAS
578
Meeder Advisory Services
Ohio
$1.08M +$17.3K +89 +2%
SC
579
Syon Capital
California
$1.07M +$182K +934 +22%
ECM
580
Estabrook Capital Management
New York
$1.07M -$77.8K -400 -7%
SPC
581
Spirepoint Private Client
Florida
$1.04M -$7.98K -41 -0.8%
GWM
582
Gibbs Wealth Management
Georgia
$1.04M -$114K -588 -11%
BPMC
583
Buckland Partners Management Co
New York
$1.03M +$973K +5,000 New
CBUSF
584
Construction & Building Unions Superannuation Fund
Australia
$1.03M +$973K +5,000 New
TSS
585
Two Sigma Securities
New York
$1.02M +$970K +4,983 New
S
586
SignatureFD
Georgia
$1.02M +$40.7K +209 +4%
Simplex Trading
587
Simplex Trading
Illinois
$1.02M +$962K +4,944 New
MIM
588
Morningstar Investment Management
Illinois
$1.01M -$1.17K -6 -0.1%
NA
589
NewEdge Advisors
Louisiana
$997K +$79K +406 +9%
VI
590
Vestcor Inc
New Brunswick, Canada
$995K
HNB
591
Huntington National Bank
Ohio
$990K +$394K +2,024 +72%
CFO
592
Callan Family Office
Pennsylvania
$987K +$528K +2,716 +130%
MSFS
593
Main Street Financial Solutions
Pennsylvania
$983K +$5.84K +30 +0.6%
BWM
594
Biltmore Wealth Management
Arizona
$981K +$973 +5 +0.1%
MAM
595
Meeder Asset Management
Ohio
$965K -$24.3M -124,794 -96%
NG
596
Norden Group
Utah
$958K +$162K +833 +22%
OQS
597
Occudo Quantitative Strategies
Florida
$953K +$904K +4,644 New
BA
598
Bridgewater Associates
Connecticut
$946K -$6.15M -31,589 -87%
LWCFA
599
Loring Wolcott & Coolidge Fiduciary Advisors
Massachusetts
$937K
KJHP
600
K.J. Harrison & Partners
Ontario, Canada
$935K -$68.1K -350 -7%