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Sunday, December 27, 2009, 12:51AM ET - U.S. Markets Closed. Dow Up 0.51% Nasdaq Up 0.71%
Gastar Exploration, Ltd. (GST)On Dec 24: 4.99  Up 0.06 (1.22%)  
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 35%
% of Shares Held by Institutional & Mutual Fund Owners: 14%
% of Float Held by Institutional & Mutual Fund Owners: 22%
Number of Institutions Holding Shares: 47

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
PORTER J RUSSELL601,6284-Sep-09
GERLICH MICHAEL A215,4894-Sep-09
SELSER JOHN MICHAEL SR47,5004-Sep-09
PENNER ROBERT DAVID47,5004-Sep-09
ROONEY JOHN R.30,0004-Sep-09


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
PALO ALTO INVESTORS, LLC8,674,74417.34$41,812,26630-Sep-09
RIMA MANAGEMENT LLC983,8031.97$4,741,93030-Sep-09
DLS Capital Management, LLC650,0001.30$3,133,00030-Sep-09
BP CAPITAL MANAGEMENT, L.P.578,5001.16$2,788,37030-Sep-09
CANADA PENSION PLAN INVESTMENT BOARD517,4001.03$2,493,86830-Sep-09
Weiss Multi-Strategy Advisers, LLC500,0001.00$2,410,00030-Sep-09
KENNEDY CAPITAL MANAGEMENT, INC.486,100.97$2,343,00230-Sep-09
RENAISSANCE TECHNOLOGIES, LLC255,661.51$1,232,28630-Sep-09
STERLING JOHNSTON CAPITAL MANAGEMENT, INC.250,530.50$1,207,55430-Sep-09
CITIGROUP INC.250,000.50$1,205,00030-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
SBL FUND 'Q' SERIES (SMALL CAP VALUE)1,960,0003.92$784,00030-Jun-09
Blackrock Funds-Energy & Resources Portfolio1,055,3002.11$422,12030-Jun-09
Security Equity Fd-Small Cap Value Series46,000.09$18,40030-Jun-09
SPARTAN EXTENDED MARKET INDEX FUND40,820.08$179,60831-Oct-09
SPDR (R) Ser Tr-SPDR (R) DJ Small Cap Growth ETF24,812.05$9,92430-Jun-09
Putnam Fds Tr-Putnam Equity Spectrum Fd17,100.03$10,26031-Jul-09
Blackrock Funds-Asset Allocation Portfolio15,900.03$6,36030-Jun-09
LOTSOFF CAPITAL MANAGEMENT EQUITY TR-MICRO CAP FD13,800.03$60,72031-Oct-09
CLEARWATER SMALL CAP FUND8,800.02$42,41630-Sep-09
SPDR (R) Ser Tr-SPDR (R) DJ Small Cap ETF3,304.01$1,32130-Jun-09

View Transactions for Insiders & Institutional Holders
* Value shown is computed using the security's price on the report date given.


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