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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
MIP
301
Marietta Investment Partners
Wisconsin
$6.8M +$129K +700 +2%
Mackenzie Financial
302
Mackenzie Financial
Ontario, Canada
$6.79M +$2.1M +11,440 +46%
JIC
303
Johnson Investment Counsel
Ohio
$6.76M +$20.4K +111 +0.3%
RPI
304
Railway Pension Investments
United Kingdom
$6.74M
PI
305
PineBridge Investments
New York
$6.69M +$2.35M +12,788 +56%
X
306
Xponance
Pennsylvania
$6.68M -$126K -685 -2%
PA
307
PFG Advisors
Arizona
$6.66M +$593K +3,224 +10%
MYAM
308
Meiji Yasuda Asset Management
Japan
$6.57M -$205K -1,116 -3%
RCM
309
Regency Capital Management
Hawaii
$6.46M +$100K +546 +2%
AAP
310
Arax Advisory Partners
Colorado
$6.45M +$6.26M +34,032 +11,536%
SWMP
311
Signature Wealth Management Partners
New Jersey
$6.4M
OAM
312
OP Asset Management
$6.37M +$176K +956 +3%
FAF
313
Fjarde Ap-fonden
Sweden
$6.37M +$983K +5,345 +19%
Truist Financial
314
Truist Financial
North Carolina
$6.29M -$135K -735 -2%
Osaic Holdings
315
Osaic Holdings
Arizona
$6.26M +$3.03M +16,479 +97%
Susquehanna International Group
316
Susquehanna International Group
Pennsylvania
$6.25M +$837K +4,549 +16%
BCIM
317
British Columbia Investment Management
British Columbia, Canada
$6.24M -$574K -3,122 -9%
SG
318
StoneX Group
New York
$6.16M -$12.7K -69 -0.2%
GAAM
319
Guinness Atkinson Asset Management
California
$6.15M -$522K -2,835 -8%
KC
320
Kepler Cheuvreux
$6.13M +$6M +32,621 New
Brown Advisory
321
Brown Advisory
Maryland
$6.08M -$273K -1,483 -4%
HTI
322
Hikari Tsushin Inc
Japan
$6.06M
US Bancorp
323
US Bancorp
Minnesota
$6M +$40.8K +222 +0.7%
CBU
324
CIBC Bancorp USA
Illinois
$5.99M +$5.86M +31,861 New
PIA
325
Petredis Investment Advisors
Pennsylvania
$5.96M -$89.6K -487 -2%