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1,151 hedge funds and large institutions have $43B invested in Ametek in 2026 Q1 according to their latest regulatory filings, with 136 funds opening new positions, 463 increasing their positions, 369 reducing their positions, and 90 closing their positions.

New
Increased
Maintained
Reduced
Closed

114% more call options, than puts

Call options by funds: $99M | Put options by funds: $46.3M

51% more first-time investments, than exits

New positions opened: 136 | Existing positions closed: 90

25% more repeat investments, than reductions

Existing positions increased: 463 | Existing positions reduced: 369

2% more funds holding

Funds holding: 1,1261,151 (+25)

2% more capital invested

Capital invested by funds: $42.1B → $43B (+$859M)

1.54% less ownership

Funds ownership: 89.22%87.68% (-1.5%)

8% less funds holding in top 10

Funds holding in top 10: 2422 (-2)

Holders
1,151
Holders Change
+25
Holders Change %
+2.22%
% of All Funds
14.18%
Holding in Top 10
22
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-8.33%
% of All Funds
0.27%
New
136
Increased
463
Reduced
369
Closed
90
Calls
$99M
Puts
$46.3M
Net Calls
+$52.8M
Net Calls Change
+$14.7M
Name Holding Trade Value Shares
Change
Change in
Stake
LIP
351
Lighthouse Investment Partners
Florida
$6.49M +$1.52M +6,859 +29%
UM
352
UniSuper Management
Australia
$6.49M +$1.85M +8,322 +38%
CII
353
Capital International Inc
California
$6.44M -$3.97M -17,850 -37%
Brown Advisory
354
Brown Advisory
Maryland
$6.42M -$510K -2,293 -7%
CIA
355
CCM Investment Advisers
South Carolina
$6.37M +$6.6M +29,710 New
IG
356
ING Group
Netherlands
$6.36M -$13.6K -61 -0.2%
VPIM
357
Vanguard Personalized Indexing Management
California
$6.26M +$125K +561 +2%
AF
358
Aviso Financial
Ontario, Canada
$6.25M +$18.9K +85 +0.3%
Osaic Holdings
359
Osaic Holdings
Arizona
$6.09M -$656K -2,950 -9%
FMII
360
Farmers & Merchants Investments Inc
Nebraska
$6.06M -$130K -586 -2%
ECSS
361
Eurizon Capital SGR SpA
$6.03M +$570K +2,565 +10%
OAM
362
Ostrum Asset Management
France
$5.98M +$1.54M +6,929 +33%
PI
363
PineBridge Investments
New York
$5.92M -$317K -1,426 -5%
YCM
364
Yousif Capital Management
Michigan
$5.83M +$454K +2,045 +8%
Credit Agricole
365
Credit Agricole
France
$5.83M -$11.9M -53,709 -66%
GAAM
366
Guinness Atkinson Asset Management
California
$5.82M -$874K -3,933 -13%
CGPCS
367
Capital Group Private Client Services
California
$5.8M -$3.54M -15,926 -37%
Mackenzie Financial
368
Mackenzie Financial
Ontario, Canada
$5.76M -$2.01M -9,049 -25%
CIA
369
Concurrent Investment Advisors
Florida
$5.75M +$904K +4,067 +18%
JFG
370
Jefferies Financial Group
New York
$5.75M +$640K +2,881 +12%
MMM
371
Mendel Money Management
Illinois
$5.74M -$114K -512 -2%
QCG
372
Quadrant Capital Group
Ohio
$5.72M +$40K +180 +0.7%
OPERF
373
Oregon Public Employees Retirement Fund
Oregon
$5.66M +$14.4K +65 +0.2%
Pathstone Holdings
374
Pathstone Holdings
New Jersey
$5.64M +$4.89K +22 +0.1%
SOADOR
375
State of Alaska Department of Revenue
Alaska
$5.63M -$18.9K -85 -0.3%