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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
FNA
376
First National Advisers
Nebraska
$4.42M -$77.4K -398 -2%
Public Employees Retirement Association of Colorado
377
Public Employees Retirement Association of Colorado
Colorado
$4.38M
LFM
378
LGT Fund Management
Liechtenstein
$4.38M +$1.4M +7,186 +51%
KAS
379
Kestra Advisory Services
Texas
$4.34M +$379K +1,946 +10%
OAM
380
Ostrum Asset Management
France
$4.31M -$476K -2,447 -10%
FAM
381
Fulcrum Asset Management
United Kingdom
$4.29M -$152K -779 -4%
SLAM
382
Swiss Life Asset Management
$4.28M -$195K -1,003 -5%
Rafferty Asset Management
383
Rafferty Asset Management
New York
$4.21M -$53.7K -276 -1%
Fuller & Thaler Asset Management
384
Fuller & Thaler Asset Management
California
$4.19M -$178K -914 -4%
VCM
385
Voleon Capital Management
California
$4.19M -$10.8M -55,444 -73%
FNBOO
386
First National Bank of Omaha
Nebraska
$4.17M -$61.7K -317 -2%
SC
387
SummitTX Capital
Texas
$4.15M +$3.07M +15,756 +352%
TIAA Trust, National Association
388
TIAA Trust, National Association
North Carolina
$4.1M -$669K -3,438 -15%
Commonwealth Equity Services
389
Commonwealth Equity Services
Massachusetts
$3.97M -$229K -1,178 -6%
P
390
&Partners
Tennessee
$3.93M +$536K +2,755 +17%
ClearBridge Investments
391
ClearBridge Investments
New York
$3.91M
IMCOOI
392
Investment Management Corp of Ontario (IMCO)
Canada
$3.89M +$1.58M +8,112 +75%
BAMF
393
BI Asset Management Fondsmaeglerselskab
Denmark
$3.86M +$1.35M +6,955 +59%
MC
394
Moors & Cabot
Massachusetts
$3.79M +$14.6K +75 +0.4%
A
395
AlphaQuest
New York
$3.76M -$583K -2,997 -14%
ACM
396
Aquatic Capital Management
Illinois
$3.74M -$1.97M -10,129 -36%
PA
397
PFG Advisors
Arizona
$3.74M -$3.34M -17,186 -49%
DSC
398
Duncker Streett & Co
Missouri
$3.74M -$2M -10,302 -36%
TRSOTSOK
399
Teachers Retirement System of the State of Kentucky
Kentucky
$3.72M -$4.94M -25,399 -58%
GAM
400
Groupama Asset Management
France
$3.7M -$185K -953 -5%