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1,033 hedge funds and large institutions have $37.4B invested in Ametek in 2025 Q3 according to their latest regulatory filings, with 120 funds opening new positions, 390 increasing their positions, 341 reducing their positions, and 74 closing their positions.

New
Increased
Maintained
Reduced
Closed

221% more call options, than puts

Call options by funds: $48.8M | Put options by funds: $15.2M

62% more first-time investments, than exits

New positions opened: 120 | Existing positions closed: 74

14% more repeat investments, than reductions

Existing positions increased: 390 | Existing positions reduced: 341

3% more funds holding

Funds holding: 1,0031,033 (+30)

2% more capital invested

Capital invested by funds: $36.8B → $37.4B (+$646M)

1.81% less ownership

Funds ownership: 88.14%86.33% (-1.8%)

7% less funds holding in top 10

Funds holding in top 10: 1514 (-1)

Holders
1,033
Holders Change
+30
Holders Change %
+2.99%
% of All Funds
13.56%
Holding in Top 10
14
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-6.67%
% of All Funds
0.18%
New
120
Increased
390
Reduced
341
Closed
74
Calls
$48.8M
Puts
$15.2M
Net Calls
+$33.6M
Net Calls Change
+$18.8M
Name Holding Trade Value Shares
Change
Change in
Stake
MSV
201
MN Services Vermogensbeheer
Netherlands
$16.4M +$184K +1,000 +1%
GAM
202
Gotham Asset Management
New York
$16.2M +$1.83M +9,969 +13%
HWA
203
HCR Wealth Advisors
California
$16.1M -$1.36M -7,410 -8%
T. Rowe Price Investment Management
204
T. Rowe Price Investment Management
Maryland
$15.9M +$15.6M +84,597 New
Jane Street
205
Jane Street
New York
$15.8M +$8.11M +44,102 +111%
DCP
206
Distillate Capital Partners
Illinois
$15.8M +$15.4M +83,848 New
TG
207
TCW Group
California
$15.6M -$1.34M -7,308 -8%
Swedbank
208
Swedbank
Sweden
$15.4M -$66.8K -363 -0.4%
PMAM
209
Picton Mahoney Asset Management
Ontario, Canada
$15.3M +$3.85M +20,935 +35%
State of New Jersey Common Pension Fund D
210
State of New Jersey Common Pension Fund D
New Jersey
$15.2M +$723K +3,927 +5%
KK
211
KLP Kapitalforvaltning
Norway
$15.2M -$92K -500 -0.6%
Nisa Investment Advisors
212
Nisa Investment Advisors
Missouri
$15.1M +$537K +2,916 +4%
GIA
213
GHP Investment Advisors
Colorado
$14.9M +$923K +5,017 +7%
Ohio Public Employees Retirement System (OPERS)
214
Ohio Public Employees Retirement System (OPERS)
Ohio
$14.8M +$209K +1,134 +1%
QCM
215
Quantinno Capital Management
New York
$14.7M +$1.81M +9,836 +14%
CAM
216
Congress Asset Management
Massachusetts
$14.5M -$11.4K -62 -0.1%
Nomura Asset Management
217
Nomura Asset Management
Japan
$14.4M -$30K -163 -0.2%
Connor, Clark & Lunn Investment Management (CC&L)
218
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$14.3M +$14M +75,942 New
VCM
219
Voleon Capital Management
California
$14.3M +$5.19M +28,201 +59%
BDLIB
220
Banque de Luxembourg Investments (BLI)
Luxembourg
$14.2M -$51.5K -280 -0.4%
KCM
221
Kornitzer Capital Management
Kansas
$14.2M -$3.36M -18,255 -20%
IC
222
IEQ Capital
California
$14.1M +$3.7M +20,115 +37%
QT
223
Quantbot Technologies
New York
$13.9M -$5.18M -28,143 -28%
LF
224
Lansforsakringar Fondforvaltning
Sweden
$13.8M +$929K +5,051 +7%
RAM
225
Resona Asset Management
Japan
$13.7M -$668K -3,629 -5%