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Westlake Corp
WLK

Overview Fund Activity

265 hedge funds and large institutions have $2.83B invested in Westlake Corp in 2015 Q1 according to their latest regulatory filings, with 40 funds opening new positions, 81 increasing their positions, 106 reducing their positions, and 53 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
265
Holders Change
-15
Holders Change %
-5.36%
% of All Funds
7.07%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.08%
New
40
Increased
81
Reduced
106
Closed
53
Calls
$72.6M
Puts
$23.7M
Net Calls
+$48.9M
Net Calls Change
+$49.1M

Top Buyers

1
Citadel Advisors
Citadel Advisors
Florida
$132M
2
Select Equity Group
Select Equity Group
New York
$256M
3
Vanguard Group
Vanguard Group
Pennsylvania
$258M
4
Balyasny Asset Management
Balyasny Asset Management
Illinois
$52.9M
5
N
Natixis
France
$28.8M

Top Sellers

1
ACM
Americafirst Capital Management
California
$0
2
Prudential Financial
Prudential Financial
New Jersey
$51.5M
3
WBC
Westpac Banking Corp
Australia
$10.8M
4
HCM
Highbridge Capital Management
New York
$21.4M
5
JHIU
Janus Henderson Investors US
Colorado
$3.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
EMG
276
Ellington Management Group
Connecticut
– -$1.41M -23,000 Closed
PCM
277
Portolan Capital Management
Massachusetts
– -$1.34M -21,990 Closed
ACM
278
Americafirst Capital Management
California
– -$1.21B -19,867 Closed
USAA
279
United Services Automobile Association
Texas
– -$984K -16,100 Closed
GMIM
280
General Motors Investment Management
New York
– -$937K -15,331 Closed
ZIM
281
Zacks Investment Management
Illinois
– -$911K -14,920 Closed
Jane Street
282
Jane Street
New York
– -$787K -12,884 Closed
NCCM
283
Nine Chapters Capital Management
New Jersey
– -$727K -11,900 Closed
PP
284
PDT Partners
New York
– -$721K -11,800 Closed
Tudor Investment Corp
285
Tudor Investment Corp
Connecticut
– -$672K -11,002 Closed
JG
286
Jefferies Group
New York
– -$665K -10,878 Closed
CCMG
287
Clark Capital Management Group
Pennsylvania
– -$660K -10,797 Closed
GACM
288
Green Arrow Capital Management
New York
– -$604K -9,886 Closed
SCM
289
Stevens Capital Management
Pennsylvania
– -$570K -9,334 Closed
AH
290
Achievement Holdings
Illinois
– -$519K -8,500 Closed
PP
291
Paloma Partners
Connecticut
– -$495K -8,100 Closed
CI
292
Cowen Inc
New York
– -$397K -6,500 Closed
BPGAM
293
BTG Pactual Global Asset Management
Bermuda
– -$379K -6,200 Closed
BKBG
294
BHF Kleinwort Benson Group
Belgium
– -$378K -6,100 Closed
PAM
295
Princeton Alpha Management
New Jersey
– -$338K -5,536 Closed
GCP
296
GSA Capital Partners
United Kingdom
– -$334K -5,466 Closed
LCM
297
Landscape Capital Management
New Jersey
– -$287K -4,700 Closed
QC
298
QCM Cayman
Texas
– -$273K -4,472 Closed
CC
299
Cipher Capital
New York
– -$263K -4,305 Closed
TWI
300
Thomas White International
Illinois
– -$250K -4,100 Closed
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