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Gastar Exploration, Ltd.
Gastar Exploration, Ltd.. Institutional holdings reported to the SEC.

Institutional Holders (2014Q2)
Portfolio Summary: 122 Institutional holders with a total value of $243,775,759.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 STATE STREET CORP 3,239,821 28,219,000 11.58%
2 MILLENNIUM MANAGEMENT LLC 2,843,181 24,764,000 10.16%
3 DIMENSIONAL FUND ADVISORS LP 1,874,902 16,330,000 6.70%
4 BlackRock Institutional Trust Company, N.A. 1,822,295 15,872,000 6.51%
5 VANGUARD GROUP INC 1,659,128 14,451,000 5.93%
6 BlackRock Fund Advisors 1,366,398 11,901,000 4.88%
7 OXFORD ASSET MANAGEMENT LLP 1,164,708 9,865,000 4.05%
8 SkyTop Capital Management LLC 995,512 8,671,000 3.56%
9 Allianz Asset Management GmbH 964,258 8,399,000 3.45%
10 Andalusian Capital Partners, LP 822,603 7,165,000 2.94%
11 Invesco Ltd. 792,260 6,900,000 2.83%
12 RAFFLES ASSOCIATES LP 777,582 6,773,000 2.78%
13 CASTLEARK MANAGEMENT LLC 772,697 6,730,000 2.76%
14 NORTHERN TRUST CORP 643,015 5,601,000 2.30%
15 CITADEL ADVISORS LLC 483,388 4,210,000 1.73%
16 SUSQUEHANNA INTERNATIONAL GROUP, LLP 431,051 3,755,000 1.54%
17 Bank of New York Mellon Corp 412,295 3,591,000 1.47%
18 SCHRODER INVESTMENT MANAGEMENT GROUP 379,442 3,304,940 1.36%
19 PARAMETRIC PORTFOLIO ASSOCIATES LLC 317,376 2,764,000 1.13%
20 SUSQUEHANNA INTERNATIONAL GROUP, LLP 316,000 2,752,000 1.13% Put
21 GEODE CAPITAL MANAGEMENT, LLC 315,200 2,745,000 1.13%
22 TIAA CREF INVESTMENT MANAGEMENT LLC 248,168 2,162,000 0.89%
23 Penn Capital Management Company, LLC 234,325 2,041,000 0.84%
24 DALTON GREINER HARTMAN MAHER & CO 225,250 1,962,000 0.80%
25 MARSHALL WACE, LLP 200,364 1,745,000 0.72%
26 Bluefin Trading, LLC 183,837 1,600,000 0.66%
27 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 181,601 1,582,000 0.65%
28 DRIEHAUS CAPITAL MANAGEMENT LLC 163,753 1,426,000 0.58%
29 BlackRock Investment Management, LLC 162,214 1,413,000 0.58%
30 Informed Momentum Co LLC 152,147 1,325,000 0.54%
31 BANK OF AMERICA CORP /DE/ 147,530 1,285,000 0.53%
32 CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC. 126,100 1,097,000 0.45%
33 GOLDMAN SACHS GROUP INC 119,714 1,043,000 0.43%
34 UBS AG 118,859 1,036,000 0.42%
35 SUSQUEHANNA INTERNATIONAL GROUP, LLP 118,100 1,029,000 0.42% Call
36 CREDIT SUISSE AG/ 115,857 1,009,000 0.41%
37 MORGAN STANLEY 115,481 1,006,000 0.41%
38 KING LUTHER CAPITAL MANAGEMENT CORP 111,500 971,000 0.40%
39 WELLS FARGO & COMPANY/MN 110,803 965,000 0.40%
40 RUSSELL FRANK CO/ 123,309 917,000 0.38%
41 SUNTRUST BANKS INC 101,682 885,000 0.36%
42 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 100,396 874,000 0.36%
43 Avidian Wealth Enterprises, LLC 100,000 871,000 0.36%
44 BRIDGEWAY CAPITAL MANAGEMENT, LLC 96,450 840,000 0.34%
45 Teton Advisors, Inc. 95,800 834,000 0.34%
46 PEAK6 Group LLC 89,800 782,000 0.32% Call
47 GROUP ONE TRADING LLC 80,910 705,000 0.29%
48 TEACHERS ADVISORS, LLC 79,436 692,000 0.28%
49 Hutchin Hill Capital, LP 78,200 681,000 0.28%
50 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 77,800 678,000 0.28%
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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.