Mast Therapeutics, Inc. Institutional Ownership

MSTX 
$0.47
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0.0179
3.96%
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Exchange: AMEX
Industry: Health Care
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Ownership Summary Institutional Holdings Insiders
(SEC Form 4)
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Ownership Summary


Institutional Ownership 22.58%
Total Shares Outstanding (millions) 164
Total Value of Holdings (millions) $17

Active Positions

Holders Shares
Increased Positions 10 1,539,461
Decreased Positions 17 6,451,693
Held Positions 17 28,956,001
Total Institutional Shares 44 36,947,155

New and Sold Out Positions


Holders Shares
New Positions 2 133,711
Sold Out Positions 8 4,008,501

44 Institutional Holders
36,947,155 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)
FRANKLIN RESOURCES INC 06/30/2015 11,946,100 0 0.00 5,615
BVF INC/IL 06/30/2015 5,111,293 (2,130,307) (29.42) 2,402
BAKER BROS. ADVISORS LP 06/30/2015 4,707,464 0 0.00 2,213
VANGUARD GROUP INC 06/30/2015 4,062,609 367,547 9.95 1,909
MPM ASSET MANAGEMENT LLC 06/30/2015 2,551,851 0 0.00 1,199
PROQUEST ASSOCIATES IV LLC 06/30/2015 2,551,851 0 0.00 1,199
PINE RIVER CAPITAL MANAGEMENT L.P. 06/30/2015 1,250,000 562,500 81.82 588
DEUTSCHE BANK AG\ 06/30/2015 954,048 119,752 14.35 448
GEODE CAPITAL MANAGEMENT, LLC 06/30/2015 678,116 117,248 20.91 319
PERKINS CAPITAL MANAGEMENT INC 06/30/2015 623,250 (19,750) (3.07) 293
GRT CAPITAL PARTNERS L.L.C. 06/30/2015 581,886 0 0.00 273
CREATIVE PLANNING 06/30/2015 443,700 42,000 10.46 209
RENAISSANCE TECHNOLOGIES LLC 06/30/2015 393,055 (209,039) (34.72) 185
BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. 06/30/2015 262,264 180,038 218.96 123
DIMENSIONAL FUND ADVISORS LP 06/30/2015 218,303 (2,600) (1.18) 103

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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