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MAST THERAPEUTICS
MAST THERAPEUTICS. Institutional holdings reported to the SEC.

Institutional Holders (2016Q4)
Portfolio Summary: 38 Institutional holders with a total value of $1,419,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 3,028,652 263,000 18.53%
2 Alyeska Investment Group, L.P. 2,969,381 258,000 18.18% Call
3 SUSQUEHANNA INTERNATIONAL GROUP, LLP 2,821,000 245,000 17.27% Call
4 BlackRock Institutional Trust Company, N.A. 1,719,932 149,000 10.50%
5 RENAISSANCE TECHNOLOGIES LLC 1,448,762 126,000 8.88%
6 Virtu KCG Holdings LLC 1,073,104 93,000 6.55%
7 GEODE CAPITAL MANAGEMENT, LLC 1,012,559 87,000 6.13%
8 HighTower Advisors, LLC 333,198 29,000 2.04%
9 NORTHERN TRUST CORP 324,827 28,000 1.97%
10 TWO SIGMA SECURITIES, LLC 297,739 26,000 1.83%
11 GOLDMAN SACHS GROUP INC 294,780 26,000 1.83%
12 PERKINS CAPITAL MANAGEMENT INC 213,500 19,000 1.34%
13 MORGAN STANLEY 179,900 16,000 1.13%
14 Creative Planning 178,401 15,000 1.06%
15 Bank of New York Mellon Corp 127,328 11,000 0.78%
16 STATE STREET CORP 54,724 5,000 0.35%
17 BLACKROCK ADVISORS LLC 50,199 4,000 0.28%
18 BlackRock Fund Advisors 48,401 4,000 0.28%
19 GUGGENHEIM CAPITAL LLC 46,353 4,000 0.28%
20 Zhang Financial LLC 20,000 3,000 0.21%
21 LAU ASSOCIATES LLC 20,000 2,000 0.14%
22 BANK OF AMERICA CORP /DE/ 5,800 1,000 0.07%
23 CITADEL ADVISORS LLC 15,700 1,000 0.07% Call
24 INTEGRAL DERIVATIVES, LLC 10,800 1,000 0.07% Call
25 Tower Research Capital LLC (TRC) 12,718 1,000 0.07%
26 ELGETHUN CAPITAL MANAGEMENT 15,455 1,000 0.07%
27 IFP ADVISORS, INC 10,000 1,000 0.07%
28 DEUTSCHE BANK AG\ 141 0 0.00%
29 MANUFACTURERS LIFE INSURANCE COMPANY, THE 2,139 0 0.00%
30 REILLY FINANCIAL ADVISORS, LLC 40 0 0.00%
31 BARCLAYS PLC 400 0 0.00%
32 Corbenic Partners LLC 1,500 0 0.00%
33 WELLS FARGO & COMPANY/MN 325 0 0.00%
34 Financial Architects, Inc 400 0 0.00%
35 UBS Group AG 400 0 0.00%
36 EARNEST PARTNERS LLC 5,400 0 0.00%
37 LADENBURG THALMANN FINANCIAL SERVICES INC. 1,004 0 0.00%
38 NEXT Financial Group, Inc 5,000 0 0.00%

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.