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Core Laboratories
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Overview Fund Activity

372 hedge funds and large institutions have $5.57B invested in Core Laboratories in 2016 Q4 according to their latest regulatory filings, with 55 funds opening new positions, 118 increasing their positions, 135 reducing their positions, and 48 closing their positions.

Holders
372
Holders Change
–
Holders Change %
0%
% of All Funds
9.31%
Holding in Top 10
8
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+14.29%
% of All Funds
0.2%
New
55
Increased
118
Reduced
135
Closed
48
Calls
$35.4M
Puts
$17.1M
Net Calls
+$18.2M
Net Calls Change
+$25.1M

Top Buyers

1
Capital World Investors
1
Capital World Investors
California
$115M
2
Bank of America
2
Bank of America
North Carolina
$130M
3
Capital International Investors
3
Capital International Investors
California
$49.3M
4
JPMorgan Chase & Co
4
JPMorgan Chase & Co
New York
$46.7M
5
American Century Companies
5
American Century Companies
Missouri
$86M

Top Sellers

1
Bessemer Group
1
Bessemer Group
New Jersey
$1.55M
2
Norges Bank
2
Norges Bank
Norway
$31.2M
3
Northern Trust
3
Northern Trust
Illinois
$35.5M
4
WP
4
Wedgewood Partners
Missouri
$198M
5
Kayne Anderson Rudnick Investment Management
5
Kayne Anderson Rudnick Investment Management
California
$196M
Name Market Value Shares Shares
Change 		Shares
Change %
Wolverine Trading
401
Wolverine Trading
Illinois
– – -3,291 Closed
Luther King Capital Management (LKCM)
402
Luther King Capital Management (LKCM)
Texas
– – -3,050 Closed
MA
403
Montag & Associates
Georgia
– – -2,798 Closed
CSS
404
Cubist Systematic Strategies
Connecticut
– – -2,736 Closed
BFM
405
Boothbay Fund Management
New York
– – -2,541 Closed
WB
406
WesBanco Bank
West Virginia
– – -2,450 Closed
MF
407
Magnetar Financial
Illinois
– – -2,280 Closed
MIS
408
Morningstar Investment Services
Illinois
– – -2,275 Closed
BPC
409
Banque Pictet & Cie
Switzerland
– – -2,120 Closed
1GA
410
1st Global Advisors
Texas
– – -1,991 Closed
CA
411
Commerzbank Aktiengesellschaft
Germany
– – -1,965 Closed
Jane Street
412
Jane Street
New York
– – -1,950 Closed
EMG
413
Ellington Management Group
Connecticut
– – -1,900 Closed
PP
414
Paloma Partners
Connecticut
– – -1,825 Closed
Twin Tree Management
415
Twin Tree Management
Texas
– – -598 Closed
MIC
416
MU Investments Company
Japan
– – -550 Closed
JSAM
417
J. Safra Asset Management
New York
– – -309 Closed
IWM
418
Integrated Wealth Management
California
– – -100 Closed
WTB
419
Washington Trust Bank
Washington
– – -25 Closed
JFA
420
JNBA Financial Advisors
Minnesota
– – -18 Closed
S
421
SignatureFD
Georgia
– – -18 Closed
TWA
422
TCI Wealth Advisors
Arizona
– – -7 Closed
Parallax Volatility Advisers
423
Parallax Volatility Advisers
California
– – – –
ST
424
Spot Trading
Illinois
– – – –
Walleye Trading
425
Walleye Trading
New York
– – – –
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