Dark
Light
System
Security
MAST THERAPEUTICS
MAST THERAPEUTICS. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 37 Institutional holders with a total value of $11,375,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BAKER BROS. ADVISORS LP 4,797,442 2,016,000 17.72%
2 VANGUARD GROUP INC 4,353,424 1,830,000 16.09%
3 FRANKLIN RESOURCES INC 3,870,877 1,627,000 14.30%
4 BVF INC/IL 3,696,961 1,554,000 13.66%
5 Alyeska Investment Group, L.P. 2,969,381 1,248,000 10.97% Call
6 MPM ASSET MANAGEMENT LLC 2,551,851 1,072,000 9.42%
7 ProQuest Associates IV LLC 1,275,925 536,000 4.71%
8 GEODE CAPITAL MANAGEMENT, LLC 678,116 285,000 2.51%
9 SHEPHERD KAPLAN KROCHUK, LLC 581,886 245,000 2.15%
10 PERKINS CAPITAL MANAGEMENT INC 567,250 238,000 2.09%
11 Ancora Advisors LLC 400,000 168,000 1.48%
12 HighTower Advisors, LLC 343,098 145,000 1.27%
13 BlackRock Institutional Trust Company, N.A. 239,234 101,000 0.89%
14 Creative Planning 190,306 80,000 0.70%
15 Bank of New York Mellon Corp 136,177 57,000 0.50%
16 DIMENSIONAL FUND ADVISORS LP 116,224 49,000 0.43%
17 NORTHERN TRUST CORP 102,959 43,000 0.38%
18 MORGAN STANLEY 39,266 17,000 0.15%
19 BlackRock Fund Advisors 25,136 11,000 0.10%
20 TWO SIGMA SECURITIES, LLC 23,411 10,000 0.09%
21 LAU ASSOCIATES LLC 20,000 8,000 0.07%
22 BLACKROCK ADVISORS LLC 15,428 6,000 0.05%
23 STATE STREET CORP 13,124 6,000 0.05%
24 SUSQUEHANNA INTERNATIONAL GROUP, LLP 12,037 5,000 0.04%
25 Cetera Advisor Networks LLC 10,000 4,000 0.04%
26 GROUP ONE TRADING LLC 6,755 3,000 0.03%
27 Tower Research Capital LLC (TRC) 7,873 3,000 0.03%
28 EARNEST PARTNERS LLC 5,400 2,000 0.02%
29 BANK OF AMERICA CORP /DE/ 5,800 2,000 0.02%
30 DEUTSCHE BANK AG\ 3,001 1,000 0.01%
31 BlackRock Finance, Inc. 1,505 1,000 0.01%
32 Corbenic Partners LLC 1,500 1,000 0.01%
33 MANUFACTURERS LIFE INSURANCE COMPANY, THE 2,139 1,000 0.01%
34 Hoxton Financial, Inc. 1,091 0 0.00%
35 BARCLAYS PLC 400 0 0.00%
36 LADENBURG THALMANN FINANCIAL SERVICES INC. 4 0 0.00%
37 Pine River Capital Management L.P. 1,250,000 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.