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

Institutional Holders (2014Q1)
Portfolio Summary: 40 Institutional holders with a total value of $17,643,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FRANKLIN RESOURCES INC 11,946,100 8,123,000 46.04%
2 Alyeska Investment Group, L.P. 1,775,000 2,414,000 13.68% Call
3 BAKER BROS. ADVISORS LP 3,000,000 2,040,000 11.56%
4 VANGUARD GROUP INC 2,610,237 1,775,000 10.06%
5 MORGAN STANLEY 884,099 601,000 3.41%
6 DEUTSCHE BANK AG\ 625,600 425,000 2.41%
7 GEODE CAPITAL MANAGEMENT, LLC 560,868 381,000 2.16%
8 MPM ASSET MANAGEMENT LLC 524,853 362,000 2.05%
9 SHEPHERD KAPLAN KROCHUK, LLC 512,476 348,000 1.97%
10 Iguana Healthcare Management, LLC 500,000 340,000 1.93%
11 DIMENSIONAL FUND ADVISORS LP 267,698 182,000 1.03%
12 Ancora Advisors LLC 150,000 102,000 0.58%
13 NORTHERN TRUST CORP 129,547 88,000 0.50%
14 HighTower Advisors, LLC 110,892 76,000 0.43%
15 Creative Planning 108,700 74,000 0.42%
16 CREDIT SUISSE AG/ 67,014 46,000 0.26%
17 Bank of New York Mellon Corp 63,605 43,000 0.24%
18 SUSQUEHANNA INTERNATIONAL GROUP, LLP 55,491 38,000 0.22%
19 GUGGENHEIM CAPITAL LLC 49,036 33,000 0.19%
20 Spot Trading L.L.C 39,000 27,000 0.15% Call
21 SUSQUEHANNA INTERNATIONAL GROUP, LLP 38,400 26,000 0.15% Call
22 THOMPSON DAVIS & CO., INC. 22,000 15,000 0.09%
23 NOMURA HOLDINGS INC 20,000 14,000 0.08%
24 UBS AG 19,511 13,000 0.07%
25 SUSQUEHANNA INTERNATIONAL GROUP, LLP 17,400 12,000 0.07% Put
26 STATE STREET CORP 14,624 10,000 0.06%
27 HIGHBRIDGE CAPITAL MANAGEMENT LLC 14,226 10,000 0.06%
28 Cetera Advisor Networks LLC 10,000 7,000 0.04%
29 EARNEST PARTNERS LLC 5,400 4,000 0.02%
30 UBS AG 5,900 4,000 0.02% Call
31 BANK OF AMERICA CORP /DE/ 5,000 3,000 0.02%
32 CITIGROUP INC 5,111 3,000 0.02%
33 WELLS FARGO & COMPANY/MN 5,000 3,000 0.02%
34 Corbenic Partners LLC 1,500 1,000 0.01%
35 B. Riley Wealth Management, Inc. 597 0 0.00%
36 DEUTSCHE BANK AG\ 313 0 0.00% Call
37 LADENBURG THALMANN FINANCIAL SERVICES INC. 4 0 0.00%
38 FIRST MANHATTAN CO. LLC. 300 0 0.00%
39 PNC FINANCIAL SERVICES GROUP, INC. 600 0 0.00%
40 Hoxton Financial, Inc. 686 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.