WLK icon

Westlake Corp
WLK

Overview Fund Activity

303 hedge funds and large institutions have $2.99B invested in Westlake Corp in 2025 Q2 according to their latest regulatory filings, with 46 funds opening new positions, 124 increasing their positions, 103 reducing their positions, and 94 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
303
Holders Change
-54
Holders Change %
-15.13%
% of All Funds
4.06%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.03%
New
46
Increased
124
Reduced
103
Closed
94
Calls
$19.5M
Puts
$58.1M
Net Calls
-$38.6M
Net Calls Change
+$26.8M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$156M
2
BIP
2
Brandes Investment Partners
California
$111M
3
AP
3
Antipodes Partners
Australia
$62.5M
4
EGM
4
Engineers Gate Manager
New York
$26.7M
5
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$96.8M

Top Sellers

1
Capital World Investors
1
Capital World Investors
California
$0
2
Citadel Advisors
2
Citadel Advisors
Florida
$934K
3
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$6.06M
4
ICP
4
Ilex Capital Partners
United Kingdom
$20.8M
5
BlackRock
5
BlackRock
New York
$253M
Name Holding Trade Value Shares
Change 		Shares
Change %
MF
151
Magnetar Financial
Illinois
$546K -$1.53M -20,090 -74%
NRD
152
Nebula Research & Development
New York
$544K +$544K +7,169 New
NMERB
153
New Mexico Educational Retirement Board
New Mexico
$532K – – –
RIG
154
RiverFront Investment Group
Virginia
$529K – – –
First Eagle Investment Management
155
First Eagle Investment Management
New York
$523K +$60.5K +797 +13%
OPERF
156
Oregon Public Employees Retirement Fund
Oregon
$521K – – –
Mitsubishi UFJ Asset Management
157
Mitsubishi UFJ Asset Management
Japan
$512K -$1.74M -22,954 -77%
PI
158
Pettee Investors
Connecticut
$510K – – –
LCM
159
Landscape Capital Management
New Jersey
$505K +$505K +6,646 New
Kovitz Investment Group Partners
160
Kovitz Investment Group Partners
Illinois
$439K -$675K -8,888 -61%
TWPM
161
Total Wealth Planning & Management
Florida
$424K +$123K +1,621 +41%
NICM
162
Neo Ivy Capital Management
New York
$404K +$404K +5,318 New
Raymond James Financial
163
Raymond James Financial
Florida
$402K -$8.17M -107,647 -95%
Mercer Global Advisors
164
Mercer Global Advisors
Colorado
$400K -$286K -3,765 -42%
New York State Teachers Retirement System (NYSTRS)
165
New York State Teachers Retirement System (NYSTRS)
New York
$397K -$203K -2,677 -34%
KIM
166
Kestra Investment Management
Texas
$395K – – –
UA
167
Unison Advisors
District of Columbia
$391K +$2.28K +30 +0.6%
PFSRSONJ
168
Police & Firemen's Retirement System of New Jersey
New Jersey
$381K +$15K +198 +4%
State of Tennessee, Department of Treasury
169
State of Tennessee, Department of Treasury
Tennessee
$381K -$15.2K -200 -4%
SP
170
Sequent Planning
Nebraska
$373K -$5.16K -68 -1%
QC
171
Quantessence Capital
New York
$373K +$373K +4,908 New
X
172
Xponance
Pennsylvania
$364K -$150K -1,981 -29%
STA
173
Summit Trail Advisors
New York
$342K +$342K +4,508 New
CIBC Asset Management
174
CIBC Asset Management
Ontario, Canada
$332K +$607 +8 +0.2%
Cetera Investment Advisers
175
Cetera Investment Advisers
Illinois
$330K +$100K +1,320 +44%
5 6
7
8 9