501 hedge funds and large institutions have $12.2B invested in Ametek in 2017 Q2 according to their latest regulatory filings, with 60 funds opening new positions, 154 increasing their positions, 210 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
501
Holders Change
+22
Holders Change %
+4.59%
% of All Funds
12.51%
Holding in Top 10
6
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+50%
% of All Funds
0.15%
New
60
Increased
154
Reduced
210
Closed
33
Calls
$1.41M
Puts
$1.25M
Net Calls
+$163K
Net Calls Change
-$3.26M
Name Holding Trade Value Shares
Change
Shares
Change %
Artisan Partners
501
Artisan Partners
Wisconsin
-$74.1M -1,369,625 Closed
Two Sigma Advisers
502
Two Sigma Advisers
New York
-$16M -295,606 Closed
PP
503
PDT Partners
New York
-$7.99M -147,800 Closed
AC
504
Ascend Capital
California
-$7.38M -136,573 Closed
Two Sigma Investments
505
Two Sigma Investments
New York
-$6.91M -127,734 Closed
ARTA
506
A.R.T. Advisors
New York
-$3.59M -66,400 Closed
MC
507
Menta Capital
California
-$2.41M -44,492 Closed
PWPCM
508
Perella Weinberg Partners Capital Management
New York
-$1.65M -30,551 Closed
SCM
509
Sterling Capital Management
North Carolina
-$1.29M -23,831 Closed
PAG
510
Private Advisor Group
New Jersey
-$828K -20,638 Closed
Simplex Trading
511
Simplex Trading
Illinois
-$1.1M -20,280 Closed
AAM
512
Azzad Asset Management
Virginia
-$1.05M -19,407 Closed
HAM
513
Highstreet Asset Management
Ontario, Canada
-$997K -18,434 Closed
CAM
514
Chesapeake Asset Management
New York
-$895K -16,550 Closed
QC
515
Quadrature Capital
United Kingdom
-$627K -11,585 Closed
Walleye Trading
516
Walleye Trading
New York
-$617 -11,412 Closed
BC
517
Brinker Capital
Pennsylvania
-$471K -8,712 Closed
TH
518
Timber Hill
Connecticut
-$435K -8,037 Closed
Fisher Asset Management
519
Fisher Asset Management
Washington
-$434K -8,034 Closed
TG
520
TLP Group
Illinois
-$384K -7,092 Closed
UF
521
Univest Financial
Pennsylvania
-$324K -6,000 Closed
N
522
Natixis
France
-$294K -5,445 Closed
William Blair Investment Management
523
William Blair Investment Management
Illinois
-$249K -4,600 Closed
DILIC
524
Dai-ichi Life Insurance Company
Japan
-$247K -4,575 Closed
TSS
525
Two Sigma Securities
New York
-$202K -3,737 Closed