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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
HI
351
Horizon Investments
North Carolina
$5.35M +$592K +3,044 +13%
ECSS
352
Eurizon Capital SGR SpA
$5.28M +$5M +25,672 New
AUB
353
Atlantic Union Bankshares
Virginia
$5.24M -$178K -915 -3%
BWL
354
Bogart Wealth LLC
Virginia
$5.23M +$21K +108 +0.4%
CIC
355
Carnegie Investment Counsel
Ohio
$5.21M +$161K +825 +3%
SCM
356
Sterling Capital Management
North Carolina
$5.05M +$1.56K +8 +0%
OAM
357
OP Asset Management
$5.03M -$1.83M -9,412 -28%
TI
358
Trexquant Investment
Connecticut
$4.93M +$4.67M +24,014 New
JFG
359
Jefferies Financial Group
New York
$4.91M +$4.08M +20,946 +704%
CISOA
360
Capital Investment Services of America
Wisconsin
$4.85M
LIP
361
Lighthouse Investment Partners
Florida
$4.81M +$3.81M +19,599 +513%
AssetMark Inc
362
AssetMark Inc
California
$4.76M -$8.84M -45,421 -66%
EI
363
Ethic Inc
New York
$4.76M +$385K +1,979 +9%
CP
364
Cumberland Partners
Ontario, Canada
$4.74M +$4.49M +23,063 New
CIA
365
Concurrent Investment Advisors
Florida
$4.67M +$4.42M +22,741 New
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
366
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$4.64M -$9.27M -47,642 -68%
ACM
367
Argent Capital Management
Missouri
$4.64M -$29.8K -153 -0.7%
Focus Partners Wealth
368
Focus Partners Wealth
Massachusetts
$4.62M +$1.09M +5,581 +33%
Pacer Advisors
369
Pacer Advisors
Pennsylvania
$4.62M -$14.3M -73,570 -77%
RC
370
Roundview Capital
New Jersey
$4.61M +$101K +517 +2%
EMPI
371
Elo Mutual Pension Insurance
Finland
$4.59M -$665K -3,416 -13%
UM
372
UniSuper Management
Australia
$4.51M -$152K -782 -3%
GAM
373
Generali Asset Management
Italy
$4.5M +$443K +2,276 +12%
WA
374
Waverly Advisors
Alabama
$4.46M +$3.82M +19,652 +957%
KC
375
Kepler Cheuvreux
$4.45M -$2.13M -10,926 -33%