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

Institutional Holders (2016Q1)
Portfolio Summary: 38 Institutional holders with a total value of $7,770,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 5,072,540 1,390,000 17.89%
2 BAKER BROS. ADVISORS LP 4,797,442 1,309,000 16.85%
3 SABBY MANAGEMENT, LLC 3,877,356 1,062,000 13.67%
4 BVF INC/IL 3,696,961 1,013,000 13.04%
5 Alyeska Investment Group, L.P. 2,969,381 810,000 10.42% Call
6 MPM ASSET MANAGEMENT LLC 2,551,851 689,000 8.87%
7 FRANKLIN RESOURCES INC 1,350,600 370,000 4.76%
8 GEODE CAPITAL MANAGEMENT, LLC 678,116 185,000 2.38%
9 SHEPHERD KAPLAN KROCHUK, LLC 581,886 159,000 2.05%
10 PERKINS CAPITAL MANAGEMENT INC 563,500 154,000 1.98%
11 EverPoint Asset Management, LLC 500,000 136,000 1.75%
12 Ancora Advisors LLC 400,000 109,000 1.40%
13 HighTower Advisors, LLC 338,098 92,000 1.18%
14 Creative Planning 329,801 90,000 1.16%
15 BlackRock Institutional Trust Company, N.A. 239,234 65,000 0.84%
16 Bank of New York Mellon Corp 154,915 42,000 0.54%
17 NORTHERN TRUST CORP 102,959 28,000 0.36%
18 Virtu KCG Holdings LLC 97,536 27,000 0.35%
19 BlackRock Fund Advisors 31,142 8,000 0.10%
20 RENAISSANCE TECHNOLOGIES LLC 21,470 6,000 0.08%
21 LAU ASSOCIATES LLC 20,000 5,000 0.06%
22 STATE STREET CORP 13,124 4,000 0.05%
23 RAYMOND JAMES & ASSOCIATES 13,795 4,000 0.05%
24 BLACKROCK ADVISORS LLC 15,428 4,000 0.05%
25 Raymond James Financial Services Advisors, Inc. 11,540 3,000 0.04%
26 BANK OF AMERICA CORP /DE/ 5,800 2,000 0.03%
27 GROUP ONE TRADING LLC 6,755 2,000 0.03%
28 MANUFACTURERS LIFE INSURANCE COMPANY, THE 2,139 1,000 0.01%
29 EARNEST PARTNERS LLC 5,400 1,000 0.01%
30 Hoxton Financial, Inc. 1,091 0 0.00%
31 BlackRock Finance, Inc. 1,505 0 0.00%
32 REILLY FINANCIAL ADVISORS, LLC 40 0 0.00%
33 Tower Research Capital LLC (TRC) 1,032 0 0.00%
34 Pine River Capital Management L.P. 1,250,000 0 0.00%
35 BARCLAYS PLC 400 0 0.00%
36 Corbenic Partners LLC 1,500 0 0.00%
37 LADENBURG THALMANN FINANCIAL SERVICES INC. 4 0 0.00%
38 DEUTSCHE BANK AG\ 3,001 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.