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480 hedge funds and large institutions have $11.2B invested in Ametek in 2017 Q1 according to their latest regulatory filings, with 51 funds opening new positions, 167 increasing their positions, 186 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

197% more call options, than puts

Call options by funds: $5.15M | Put options by funds: $1.73M

12% more capital invested

Capital invested by funds: $10B → $11.2B (+$1.23B)

1.37% more ownership

Funds ownership: 89.07%90.44% (+1.4%)

6% less first-time investments, than exits

New positions opened: 51 | Existing positions closed: 54

3% less funds holding

Funds holding: 493480 (-13)

10% less repeat investments, than reductions

Existing positions increased: 167 | Existing positions reduced: 186

50% less funds holding in top 10

Funds holding in top 10: 84 (-4)

Holders
480
Holders Change
-13
Holders Change %
-2.64%
% of All Funds
11.95%
Holding in Top 10
4
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-50%
% of All Funds
0.1%
New
51
Increased
167
Reduced
186
Closed
54
Calls
$5.15M
Puts
$1.73M
Net Calls
+$3.42M
Net Calls Change
+$4.78M
Name Holding Trade Value Shares
Change
Change in
Stake
Walleye Trading
476
Walleye Trading
New York
$617 +$215K +4,084 +56%
SLF
477
Sun Life Financial
Ontario, Canada
$124 +$53 +1 +17%
Renaissance Technologies
478
Renaissance Technologies
New York
-$49.5M -1,019,150 Closed
Millennium Management
479
Millennium Management
New York
-$47.9M -984,698 Closed
SC
480
Samlyn Capital
New York
-$28.5M -585,800 Closed
Citadel Advisors
481
Citadel Advisors
Florida
-$30.4M -576,303 Closed
Bank of Montreal
482
Bank of Montreal
Ontario, Canada
-$18.6M -391,993 Closed
Marshall Wace
483
Marshall Wace
United Kingdom
-$19M -390,898 Closed
FHAM
484
Folger Hill Asset Management
New York
-$9.44M -194,200 Closed
CC
485
Carlson Capital
Texas
-$8.09M -166,529 Closed
CANY
486
Caxton Associates (New York)
New York
-$6.32M -130,000 Closed
SEC
487
Seven Eight Capital
New York
-$3.71M -76,431 Closed
JG
488
Jefferies Group
New York
-$2.92M -60,107 Closed
CG
489
Clinton Group
New York
-$1.4M -28,799 Closed
Susquehanna International Group
490
Susquehanna International Group
Pennsylvania
-$1.43M -27,021 Closed
SSA
491
Schonfeld Strategic Advisors
New York
-$1.22M -25,121 Closed
Capstone Investment Advisors
492
Capstone Investment Advisors
New York
-$1.21M -24,903 Closed
EMG
493
Ellington Management Group
Connecticut
-$1.12M -23,100 Closed
Verition Fund Management
494
Verition Fund Management
Connecticut
-$1.1M -22,642 Closed
IRF
495
IBM Retirement Fund
New York
-$1.1M -21,567 Closed
TG
496
TCW Group
California
-$1.02M -21,022 Closed
CIM
497
Calvert Investment Management
Maryland
-$891K -18,337 Closed
DDC
498
DF Dent & Co
Maryland
-$877K -18,042 Closed
PCM
499
Prelude Capital Management
New York
-$848K -17,444 Closed
DTL
500
Dynamic Technology Lab
Singapore
-$808K -16,629 Closed