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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 %
SAM
376
Sheffield Asset Management
Illinois
– – -137,810 Closed
Teacher Retirement System of Texas
377
Teacher Retirement System of Texas
Texas
– – -78,189 Closed
MTB
378
Mizuho Trust & Banking
Japan
– – -69,644 Closed
CG
379
Clinton Group
New York
– – -44,241 Closed
Susquehanna International Group
380
Susquehanna International Group
Pennsylvania
– – -37,804 Closed
UOC
381
UBS O'Connor
Illinois
– – -34,000 Closed
O
382
OppenheimerFunds
New York
– – -32,809 Closed
TAM
383
Tocqueville Asset Management
New York
– – -31,365 Closed
Capstone Investment Advisors
384
Capstone Investment Advisors
New York
– – -26,461 Closed
BCAM
385
Boston Common Asset Management
Massachusetts
– – -22,002 Closed
SRC
386
Stone Run Capital
New York
– – -21,767 Closed
SCM
387
Stevens Capital Management
Pennsylvania
– – -20,775 Closed
DDC
388
DF Dent & Co
Maryland
– – -17,985 Closed
GP
389
GLG Partners
United Kingdom
– – -14,323 Closed
HT
390
HAP Trading
New York
– – -10,801 Closed
IGIM
391
I.G. Investment Management
Manitoba, Canada
– – -8,455 Closed
HCM
392
Highbridge Capital Management
New York
– – -8,185 Closed
Two Sigma Investments
393
Two Sigma Investments
New York
– – -8,104 Closed
QT
394
Quantbot Technologies
New York
– – -8,042 Closed
AIM
395
Assured Investment Management
New York
– – -7,438 Closed
MIP
396
Marietta Investment Partners
Wisconsin
– – -7,239 Closed
TI
397
Trexquant Investment
Connecticut
– – -4,300 Closed
PG
398
PEAK6 Group
Illinois
– – -4,054 Closed
CA
399
Cetera Advisors
Colorado
– – -3,611 Closed
ARTA
400
A.R.T. Advisors
New York
– – -3,600 Closed
13 14 15
16
17