410 hedge funds and large institutions have $11.8B invested in Ametek in 2013 Q4 according to their latest regulatory filings, with 42 funds opening new positions, 123 increasing their positions, 183 reducing their positions, and 42 closing their positions.

Holders
410
Holders Change
-3
Holders Change %
-0.73%
% of All Funds
11.91%
Holding in Top 10
14
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+40%
% of All Funds
0.41%
New
42
Increased
123
Reduced
183
Closed
42
Calls
$137K
Puts
$105K
Net Calls
+$32K
Net Calls Change
+$335K
Name Market Value Shares Shares
Change
Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$863M 16,380,989 +339,994 +2%
CWAM
2
Columbia Wanger Asset Management
Illinois
$665M 12,623,000 -1,111,589 -8%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$629M 11,936,314 -1,533,778 -11%
State Street
4
State Street
Massachusetts
$542M 10,289,703 +485,324 +5%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$449M 8,527,634 +51,000 +0.6%
IIS
6
Ignis Investment Services
United Kingdom
$445M 845,302 +845,302 New
TCM
7
Tran Capital Management
California
$410M 7,786,382 -17,187 -0.2%
Wellington Management Group
8
Wellington Management Group
Massachusetts
$396M 7,518,061 +909,022 +14%
BIT
9
BlackRock Institutional Trust
California
$329M 6,251,919 -50,162 -0.8%
Artisan Partners
10
Artisan Partners
Wisconsin
$301M 5,722,491 +1,764,408 +45%
VOYA Investment Management
11
VOYA Investment Management
Georgia
$261M 4,953,917 +877,357 +22%
UBS AM
12
UBS AM
Illinois
$235M 4,457,218 -715,512 -14%
JPMorgan Chase & Co
13
JPMorgan Chase & Co
New York
$235M 4,456,709 -75,933 -2%
Jennison Associates
14
Jennison Associates
New York
$225M 4,265,272 -796,409 -16%
Allianz Asset Management
15
Allianz Asset Management
Germany
$216M 4,097,022 +572,253 +16%
Massachusetts Financial Services
16
Massachusetts Financial Services
Massachusetts
$196M 3,722,350 +91,573 +3%
Westfield Capital Management
17
Westfield Capital Management
Massachusetts
$195M 3,700,752 +1,123,108 +44%
AllianceBernstein
18
AllianceBernstein
Tennessee
$183M 3,480,219 +1,389,407 +66%
GI
19
GAMCO Investors
Connecticut
$172M 3,263,950 -91,399 -3%
Bank of New York Mellon
20
Bank of New York Mellon
New York
$169M 3,200,699 -26,354 -0.8%
Northern Trust
21
Northern Trust
Illinois
$161M 3,051,425 -47,809 -2%
Deutsche Bank
22
Deutsche Bank
Germany
$159M 3,010,405 +189,103 +7%
BFA
23
BlackRock Fund Advisors
California
$156M 2,957,888 +122,828 +4%
BG
24
BlackRock Group
United Kingdom
$145M 2,750,165 +60,994 +2%
Select Equity Group
25
Select Equity Group
New York
$139M 2,642,536 +779,134 +42%