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1,125 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 70 closing their positions.

New
Increased
Maintained
Reduced
Closed

163% more first-time investments, than exits

New positions opened: 184 | Existing positions closed: 70

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: 1,0311,125 (+94)

2.9% 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
1,125
Holders Change
+94
Holders Change %
+9.12%
% of All Funds
13.69%
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
70
Calls
$87.1M
Puts
$49M
Net Calls
+$38M
Net Calls Change
+$4.4M
Name Holding Trade Value Shares
Change
Change in
Stake
First Trust Advisors
201
First Trust Advisors
Illinois
$20.6M +$8.38M +43,060 +75%
Mitsubishi UFJ Trust & Banking
202
Mitsubishi UFJ Trust & Banking
Japan
$20M +$617K +3,172 +3%
GAM
203
Gotham Asset Management
New York
$19.7M +$1.93M +9,927 +12%
PMAM
204
Picton Mahoney Asset Management
Ontario, Canada
$19M +$2.18M +11,200 +14%
CCS
205
Concentric Capital Strategies
Connecticut
$18.9M +$10.1M +51,781 +128%
State of Tennessee, Department of Treasury
206
State of Tennessee, Department of Treasury
Tennessee
$18.8M +$7.14M +36,699 +78%
Walleye Capital
207
Walleye Capital
New York
$18.4M +$17.4M +89,596 New
CB
208
Commerce Bank
Missouri
$18.4M -$133K -681 -0.8%
MSV
209
MN Services Vermogensbeheer
Netherlands
$18.2M +$234K +1,203 +1%
Hudson Bay Capital Management
210
Hudson Bay Capital Management
Connecticut
$17.5M +$16.6M +85,361 New
CIBC Asset Management
211
CIBC Asset Management
Ontario, Canada
$17.3M +$4.34M +22,323 +36%
Nisa Investment Advisors
212
Nisa Investment Advisors
Missouri
$17.1M +$576K +2,961 +4%
Mirae Asset Global ETFs Holdings
213
Mirae Asset Global ETFs Holdings
Hong Kong
$17M -$3.53M -18,149 -18%
Swedbank
214
Swedbank
Sweden
$16.9M +$107K +552 +0.7%
IC
215
IEQ Capital
California
$16.8M +$1.32M +6,770 +9%
GIA
216
GHP Investment Advisors
Colorado
$16.7M +$386K +1,984 +3%
Credit Agricole
217
Credit Agricole
France
$16.6M +$2.31M +11,894 +17%
KK
218
KLP Kapitalforvaltning
Norway
$16.5M -$77.8K -400 -0.5%
ROC
219
Running Oak Capital
Minnesota
$16.4M -$1.64M -8,438 -10%
State of New Jersey Common Pension Fund D
220
State of New Jersey Common Pension Fund D
New Jersey
$16.3M -$275K -1,415 -2%
T. Rowe Price Investment Management
221
T. Rowe Price Investment Management
Maryland
$16M -$1.32M -6,777 -8%
HWA
222
HCR Wealth Advisors
California
$15.9M -$1.78M -9,170 -11%
Nomura Asset Management
223
Nomura Asset Management
Japan
$15.7M +$33.1K +170 +0.2%
MOACM
224
Mutual of America Capital Management
New York
$15.7M +$1.74M +8,937 +13%
CAM
225
Congress Asset Management
Massachusetts
$15.6M -$261K -1,343 -2%