MarkWest Energy Partners, LP Institutional Ownership

MWE 
$64.95
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0.23
0.36%
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Exchange: NYSE
Industry: Energy
Community Rating:
 
 
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Ownership Summary Institutional Holdings Insiders
(SEC Form 4)
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Ownership Summary


Institutional Ownership 76.93%
Total Shares Outstanding (millions) 187
Total Value of Holdings (millions) $9,331

Active Positions

Holders Shares
Increased Positions 159 21,411,396
Decreased Positions 118 10,361,795
Held Positions 69 111,889,025
Total Institutional Shares 346 143,662,216

New and Sold Out Positions


Holders Shares
New Positions 32 4,609,958
Sold Out Positions 28 708,398

346 Institutional Holders
143,662,216 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)
CASTLEARK MANAGEMENT LLC 12/31/2014 137,670 60,940 79.42 8,942
HIGHTOWER ADVISORS, LLC 12/31/2014 136,692 8,024 6.24 8,878
NUVEEN ASSET MANAGEMENT, LLC 12/31/2014 136,152 63,173 86.56 8,843
PEAK6 INVESTMENTS, L.P. 12/31/2014 131,350 131,350 New 8,531
STARR INTERNATIONAL CO INC 12/31/2014 130,000 0 0.00 8,444
SEI INVESTMENTS CO 12/31/2014 129,184 129,184 New 8,391
DRIEHAUS CAPITAL MANAGEMENT LLC 12/31/2014 124,708 9,097 7.87 8,100
MAI WEALTH ADVISORS 12/31/2014 120,114 2,524 2.15 7,801
BOLLARD GROUP LLC 12/31/2014 118,374 12,203 11.49 7,688
PINNACLE HOLDINGS, LLC 12/31/2014 116,227 (43,269) (27.13) 7,549
WILLIAMS JONES & ASSOCIATES LLC 12/31/2014 113,810 (71,110) (38.45) 7,392
RENAISSANCE TECHNOLOGIES LLC 12/31/2014 113,345 (191,075) (62.77) 7,362
HIGHVISTA STRATEGIES LLC 12/31/2014 105,682 238 .23 6,864
SEI TRUST CO 09/30/2014 104,100 24,900 31.44 6,761
BURNHAM ASSET MANAGEMENT CORP /NY/ 12/31/2014 103,275 (2,390) (2.26) 6,708

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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