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Mast Therapeutics Inc (NYSE MKT LLC:MSTX)

0.114
Delayed Data
As of Mar 24
 +0.007 / +6.54%
Today’s Change
0.07
Today|||52-Week Range
0.71
+31.34%
Year-to-Date
Institutional investors control 4.13% of the outstanding shares in MSTX. This represents a greater percentage of ownership than at almost any other company in the Biotechnology industry. Additionally, during the quarter ended December 2016, these large investors purchased a net $13.7 million shares.
Other institutional2.48%
Mutual fund holders1.65%
Individual stakeholders0.18%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

12/31/2016KCG AMERICAS LLC  Bought 971.3 Thousand shares of Mast Therapeutics Inc
12/31/2016TWO SIGMA SECURITIES LLC  Bought 297.7 Thousand shares of Mast Therapeutics Inc
12/31/2016GOLDMAN SACHS & CO. (PRIVATE BAN...  Bought 294.8 Thousand shares of Mast Therapeutics Inc

Top 10 Owners of Mast Therapeutics Inc

StockholderStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
The Vanguard Group, Inc.1.19%3,028,652336,180-4,524,070-59.90%
BlackRock Fund Advisors0.69%1,768,333196,285+10,800+0.61%
Renaissance Technologies LLC0.57%1,448,762160,813+52,200+3.74%
KCG Americas LLC0.42%1,073,104119,115+971,298+954.07%
Geode Capital Management LLC0.40%1,012,559112,39400.00%
HighTower Advisors LLC0.13%333,19836,985-2,900-0.86%
Northern Trust Investments, Inc.0.13%324,82736,056+6,504+2.04%
Two Sigma Securities LLC0.12%297,73933,049+297,739--
Goldman Sachs & Co. (Private Bank...0.12%294,78032,721+294,780--
Perkins Capital Management, Inc.0.08%213,50023,699-346,250-61.86%

Top 10 Mutual Funds Holding Mast Therapeutics Inc

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Vanguard Extended Market Index Fu...1.13%2,879,072319,57700.00%
Fidelity Extended Market Index Fu...0.34%865,92196,11700.00%
Fidelity Total Market Index Fund0.06%146,63816,27700.00%
Vanguard Total Stock Market Index...0.04%102,90011,42200.00%
iShares Core S&P Total US Stock M...0.02%54,6616,067+3,740+7.34%
BlackRock Master Extended Market ...0.02%50,1995,57200.00%
Vanguard Invt. Fds. ICVC - US Equ...0.02%46,6805,18100.00%
Wilshire Micro Cap ETF0.02%46,3535,14500.00%
Arcalis0.00%11,0001,221+11,000--
Goodwood SMID Long/Short Fund0.00%00-500,000-100.00%