Westlake Chemical Corporation Institutional Ownership

WLK 
$77.05
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1.08
1.42%
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Exchange: NYSE
Industry: Basic Industries
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Ownership Summary Institutional Holdings Insiders
(SEC Form 4)
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Ownership Summary


Institutional Ownership 43.64%
Total Shares Outstanding (millions) 133
Total Value of Holdings (millions) $4,468

Active Positions

Holders Shares
Increased Positions 150 31,628,608
Decreased Positions 149 11,803,368
Held Positions 30 14,550,780
Total Institutional Shares 329 57,982,756

New and Sold Out Positions


Holders Shares
New Positions 58 3,498,429
Sold Out Positions 52 3,001,988

329 Institutional Holders
57,982,756 Total Shares Held


Click on the column header links to resort ascending (▲) or descending (▼).
Owner Name Date Shared Held Change (Shares) Change (%) Value (in 1,000s)
STRS OHIO 03/31/2015 19,490,129 19,120,129 5,167.60 1,501,714
VANGUARD GROUP INC 12/31/2014 2,729,015 (339,011) (11.05) 210,271
SELECT EQUITY GROUP, L.P. 12/31/2014 2,691,291 970,525 56.40 207,364
ROYCE & ASSOCIATES LLC 12/31/2014 2,086,505 89,970 4.51 160,765
D. E. SHAW & CO., INC. 12/31/2014 1,672,475 664,269 65.89 128,864
GLOBAL THEMATIC PARTNERS, LLC 12/31/2014 1,450,231 1,450,231 New 111,740
PRUDENTIAL FINANCIAL INC 12/31/2014 1,336,922 680,960 103.81 103,010
BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. 12/31/2014 1,045,530 (17,051) (1.61) 80,558
SCHRODER INVESTMENT MANAGEMENT GROUP 12/31/2014 970,200 955,700 6,591.03 74,754
DIMENSIONAL FUND ADVISORS LP 12/31/2014 933,642 (172,379) (15.59) 71,937
JAMES INVESTMENT RESEARCH INC 03/31/2015 886,980 (20,803) (2.29) 68,342
CITADEL ADVISORS LLC 12/31/2014 877,715 745,300 562.85 67,628
NATIONAL RURAL ELECTRIC COOPERATIVE ASSOCIATION 12/31/2014 861,200 0 0.00 66,355
FEDERATED INVESTORS INC /PA/ 12/31/2014 820,984 (250,020) (23.34) 63,257
RENAISSANCE TECHNOLOGIES LLC 12/31/2014 792,500 25,200 3.28 61,062

Institutional Holdings information for this company is filed by major institutions on form 13-F with the Securities and Exchange Commission.
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