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

Institutional Holders (2017Q1)
Portfolio Summary: 29 Institutional holders with a total value of $1,538,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 4,190,038 518,000 33.68%
2 SUSQUEHANNA INTERNATIONAL GROUP, LLP 2,821,000 348,000 22.63% Call
3 BlackRock Finance, Inc. 1,829,012 225,000 14.63%
4 GEODE CAPITAL MANAGEMENT, LLC 1,012,559 125,000 8.13%
5 RENAISSANCE TECHNOLOGIES LLC 1,000,262 124,000 8.06%
6 NORTHERN TRUST CORP 324,827 40,000 2.60%
7 BRANDES INVESTMENT PARTNERS, LP 260,000 32,000 2.08%
8 Bank of New York Mellon Corp 190,598 24,000 1.56%
9 Tower Research Capital LLC (TRC) 183,283 23,000 1.50%
10 Virtu KCG Holdings LLC 147,852 18,000 1.17%
11 UBS Group AG 130,236 16,000 1.04%
12 Creative Planning 87,100 11,000 0.72%
13 GSA CAPITAL PARTNERS LLP 80,000 10,000 0.65%
14 STATE STREET CORP 54,724 7,000 0.46%
15 GUGGENHEIM CAPITAL LLC 46,631 6,000 0.39%
16 IFP ADVISORS, INC 22,750 3,000 0.20%
17 TWO SIGMA SECURITIES, LLC 13,044 2,000 0.13%
18 ELGETHUN CAPITAL MANAGEMENT 15,455 2,000 0.13%
19 LAU ASSOCIATES LLC 20,000 2,000 0.13%
20 BANK OF AMERICA CORP /DE/ 6,816 1,000 0.07%
21 CITADEL ADVISORS LLC 12,000 1,000 0.07% Call
22 Alyeska Investment Group, L.P. 2,969,381 0 0.00% Call
23 Financial Architects, Inc 400 0 0.00%
24 REILLY FINANCIAL ADVISORS, LLC 40 0 0.00%
25 Corbenic Partners LLC 1,500 0 0.00%
26 LADENBURG THALMANN FINANCIAL SERVICES INC. 4 0 0.00%
27 DEUTSCHE BANK AG\ 141 0 0.00%
28 MANUFACTURERS LIFE INSURANCE COMPANY, THE 2,139 0 0.00%
29 BARCLAYS PLC 400 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.