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Gulfport Energy Corp (GPOR) Ownership Data

Short Interest History (%)

This is the historical short interest of Gulfport Energy Corp, as measured by the Short Percentage Of Float.

Date Short Interest (%)Short Interest (Shares in Mil)
September 29, 20177.436.84
September 15, 20178.447.76
August 31, 20178.477.80
August 15, 20179.038.31
July 31, 20179.168.43
July 14, 20179.919.11
June 30, 201710.369.53
June 15, 20179.618.84
May 31, 20178.437.75
May 15, 20179.468.70
April 28, 20179.738.95
April 13, 20179.488.72
March 31, 20178.089.08
March 15, 20177.768.71
February 28, 20176.87.63
February 15, 20175.826.54
January 31, 20175.836.54
January 13, 20176.297.06
December 30, 20167.158.03
December 15, 20169.7410.94
November 30, 20168.389.41
November 15, 20168.9410.04
October 31, 20169.0310.14
October 14, 20168.079.07
September 30, 20167.428.33
September 15, 20169.0110.12
August 31, 20165.636.32
August 15, 20165.726.42
July 29, 20164.95.51
July 15, 20164.795.38
June 30, 20165.426.08
June 15, 20166.116.86
May 31, 20166.687.50
May 13, 201666.74
April 29, 20165.586.26
April 15, 20165.446.11
March 31, 20165.534.16
March 15, 20164.723.55
February 29, 20166.95.19
February 12, 20166.364.79
January 29, 20166.554.93
January 15, 20165.934.46
December 31, 20155.324.00
December 15, 20153.993.01
November 30, 20154.123.10
November 13, 20153.82.86
October 30, 20153.72.78
October 15, 20155.293.98
September 30, 20154.243.19
September 15, 20154.523.41
August 31, 20154.943.72
August 14, 20154.753.58
July 31, 20154.213.17
July 15, 20154.23.16
June 30, 20153.882.92
June 15, 20154.193.15
May 29, 20153.842.89
May 15, 20154.073.06
April 30, 20154.593.46
April 15, 20155.193.91
March 31, 20155.524.73
March 13, 20154.293.67
February 27, 20154.073.49
February 13, 20153.623.10
January 30, 20153.853.30
January 15, 20156.265.36
December 31, 20147.336.27
December 15, 20148.687.43
November 28, 20149.047.74
November 14, 20149.378.02
October 31, 20149.58.12
October 15, 20148.257.06
September 30, 20147.066.04
September 15, 20146.465.53
August 29, 20145.995.13
August 15, 20146.35.39
July 31, 20146.655.69
July 15, 20146.475.53
June 30, 20147.266.21
June 13, 20148.457.23
May 30, 20149.137.81
May 15, 20149.438.07
April 30, 20147.596.49
April 15, 20149.267.93
March 31, 20149.877.57
March 14, 201410.488.05
February 28, 201411.558.86
February 14, 201412.769.79
January 31, 201412.899.89
January 15, 201412.489.58
December 31, 201312.899.89
December 13, 201313.9410.70
November 29, 201313.7610.56
November 15, 201311.889.12
October 31, 201314.3211.00
October 15, 201315.3211.76
September 30, 201314.8211.38
September 13, 201315.9512.24
August 30, 201316.5712.72
August 15, 201314.8411.39
July 31, 201312.649.70
July 15, 201310.898.36
June 28, 201312.419.53
June 14, 201311.358.71
May 31, 201310.668.18
May 15, 201310.538.08
April 30, 201311.338.70
April 15, 201310.728.23
March 28, 201311.666.43
March 15, 201310.55.79
February 28, 20139.45.18
February 15, 201311.096.11
January 31, 20139.775.38
January 15, 20139.45.18
December 31, 20129.525.25
December 14, 20129.865.43
November 30, 20129.825.41
November 15, 201210.025.52
October 31, 20129.485.23
October 15, 20129.855.43
September 28, 201284.41
September 14, 20128.94.90
August 31, 20128.364.61
August 15, 20128.534.70
July 31, 20128.144.49
July 13, 20127.554.16
June 29, 20127.764.28
June 15, 20126.833.77
May 31, 20127.093.91
May 15, 20125.93.25
April 30, 20125.372.96
April 13, 20124.962.73
March 30, 20126.462.46
March 15, 20126.492.47
February 29, 20126.82.59
February 15, 20127.943.02
January 31, 20127.742.95
January 13, 20127.582.89
December 30, 20118.043.06
December 15, 20118.923.40
November 30, 20119.623.67
November 15, 201111.14.23
October 31, 201111.984.56
October 14, 201113.014.96
September 30, 201112.514.77
September 15, 201113.034.97
August 31, 201112.044.59
August 15, 201110.864.14
July 29, 201112.574.79
July 15, 201111.534.40
June 30, 201111.114.23
June 15, 201110.23.89
May 31, 20119.623.67
May 13, 20118.043.06
April 29, 20116.772.58
April 15, 20116.552.50
March 31, 20119.672.57
March 15, 20113.761.00
February 28, 20114.421.17
February 15, 20113.20.85
January 31, 20113.050.81
January 14, 20113.220.86
December 31, 20103.070.81
December 15, 20103.50.93
November 30, 20103.851.02
November 15, 20104.691.25
October 29, 20105.591.49
October 15, 20104.881.30
September 30, 20104.811.28
September 15, 20105.211.39
August 31, 20104.991.33
August 13, 20104.531.20
July 30, 20104.681.24
July 15, 20104.731.26
June 30, 20104.281.14
June 15, 20104.631.23
May 28, 20105.611.49
May 14, 20104.971.32
April 30, 20104.411.17

Institutional Ownership History (%)

This the Institutional Ownership History of Gulfport Energy CorpPeter Lynch prefers to buy companies with low institutional ownership.

Date Institutional Ownership (%)Institutional Ownership (Shares in Mil)
June 30, 201787.27159.56
December 31, 201694.62150.18
June 30, 201599.88108.08
March 31, 201297.6854.36
June 30, 201193.9644.61
March 31, 201181.6238.72
December 31, 201072.4832.37
September 30, 201054.9524.49
June 30, 201051.723.04
March 31, 201045.4919.32
December 31, 200947.2520.14
September 30, 200943.7418.69
June 30, 200941.3217.63
March 31, 200946.1619.62
December 31, 200848.0320.26
September 30, 200851.4822.00
June 30, 200852.0422.16
March 31, 200854.8423.34
December 31, 200754.223.01
September 30, 200746.2817.56
June 30, 200744.416.83
March 31, 200740.314.29
December 31, 200639.9513.49
September 30, 200636.0713.84
June 30, 200640.0613.17
March 31, 200638.612.42
December 31, 200517.55.63
September 30, 200517.635.63
June 30, 200518.255.83
March 31, 200520.196.36
December 31, 200419.083.84
September 30, 200419.083.84
June 30, 200420.482.08
March 31, 200417.811.81
December 31, 200317.71.80
September 30, 200317.71.80
March 31, 20010.330.03

Insider ownership (%)

This is the historical insider ownership of Gulfport Energy Corp. It is usually better to buy companies with large insider ownership. The company insiders' interest are more aligned with external shareholders in this case.

Date Insider Ownership (%)Insider Ownership (Shares in Mil)
June 30, 20171.212.15
May 31, 20171.182.10
April 30, 20171.121.99
March 31, 20171.041.84
February 28, 20170.981.55
January 31, 20170.981.55
December 31, 20161.241.55
November 30, 20161.241.55
October 31, 20161.241.55
September 30, 20161.241.55
August 31, 20161.241.55
July 31, 20161.231.54
June 30, 20161.241.55
May 31, 20161.251.56
April 30, 20161.451.57
March 31, 20161.271.37
February 29, 20161.271.37
January 31, 20161.271.37
December 31, 20151.331.44
November 30, 20151.271.37
October 31, 20151.271.37
September 30, 20151.271.37
August 31, 20151.211.31
July 31, 20151.191.29
June 30, 20151.191.29
May 31, 20151.21.30
April 30, 20151.351.30
March 31, 20151.521.30
February 28, 20151.541.32
January 31, 20151.421.22
December 31, 20141.261.08
November 30, 20141.431.22
October 31, 20141.431.22
September 30, 20141.431.22
August 31, 20141.441.23
July 31, 20141.451.24
June 30, 20141.451.24
May 31, 20141.471.25
March 31, 20142.321.18
February 28, 20142.321.18
January 31, 20142.121.08
December 31, 20132.121.08
November 30, 20132.031.03
October 31, 20132.031.03
September 30, 20132.031.03
August 31, 20132.031.03
July 31, 201321.02
June 30, 201321.02
May 31, 20132.021.03
April 30, 20132.031.04
March 31, 20132.031.04
January 31, 20131.80.92
November 30, 20121.810.92
October 31, 20121.810.92
September 30, 20121.780.91
August 31, 20121.780.91
July 31, 20121.780.91
June 30, 20121.780.91
May 31, 20121.780.91
April 30, 20121.780.91
March 31, 20121.780.91
February 29, 20121.780.91
January 31, 20121.690.86
December 31, 20111.720.87
November 30, 20111.720.88
October 31, 20111.720.88
September 30, 20111.710.87
August 31, 20111.710.87
July 31, 20111.70.87
June 30, 20111.830.87
May 31, 20111.830.87
April 30, 201120.89
March 31, 20111.990.89
February 28, 20112.050.91
January 31, 20112.10.94
December 31, 20102.160.96
November 30, 20102.281.02
October 31, 20102.281.02
September 30, 20102.180.97
August 31, 20102.180.97
July 31, 20102.180.97
June 30, 20102.280.97
May 31, 20102.280.97
April 30, 20102.280.97
March 31, 20102.280.97
February 28, 20102.120.91
January 31, 20102.120.91
December 31, 20092.120.91
November 30, 20092.120.91
October 31, 20092.070.88
September 30, 20092.070.88
August 31, 20092.070.88
July 31, 20092.070.88
June 30, 20092.070.88
May 31, 20092.070.88
April 30, 20092.070.88
March 31, 20092.070.88
February 28, 20092.070.88
January 31, 20092.10.90
December 31, 20082.110.90
November 30, 20081.960.83
October 31, 20081.960.83
September 30, 20081.960.83
August 31, 20081.940.82
July 31, 20081.940.82
June 30, 20081.940.82
May 31, 20081.940.82
April 30, 200837.3815.91
March 31, 200837.415.91
February 29, 200837.8816.12
January 31, 200837.9716.11
December 31, 200737.9716.11
November 30, 200742.2116.02
October 31, 200743.9916.69
September 30, 200744.1616.75
August 31, 200744.1616.75
July 31, 200744.1616.75
June 30, 200744.216.75
May 31, 200745.7916.75
April 30, 200745.7916.75
March 31, 200745.7316.05
February 28, 200745.7616.01
January 31, 200748.2516.01
December 31, 200648.2216.00
November 30, 200644.6914.83
October 31, 200644.6914.83
September 30, 200644.7514.83
June 30, 200644.914.81
May 31, 200644.914.81
April 30, 200646.0114.81
March 31, 200645.9914.80
February 28, 200655.2617.70
January 31, 200655.2617.70
December 31, 200555.2617.70
November 30, 200540.0312.82
October 31, 200540.0312.82
September 30, 200541.113.12
August 31, 200541.113.12
July 31, 200541.113.12
June 30, 200541.1613.12
May 31, 200541.1613.12
April 30, 200541.1613.12
March 31, 200541.6913.12
February 28, 200551.8616.33
January 31, 200551.8616.33
December 31, 200444.699.00
November 30, 200444.699.00
October 31, 200444.699.00
September 30, 200444.699.00
August 31, 200444.699.00

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Mr. Michael LiddellN/A648,2990.35%2013-02-25
Michael G. MooreN/A413,9430.23%2017-02-27
James D. PalmN/A246,3870.13%2014-01-31
Ms. Keri CrowellN/A97,092less than 0.1%2017-02-27
Mr. J. Ross KirtleyN/A94,025less than 0.1%2016-03-31
Mr. Aaron GaydosikN/A72,879less than 0.1%2016-03-31
Mr. Joseph M. JacobsN/A54,634less than 0.1%2005-02-23
Stuart MaierN/A52,366less than 0.1%2017-02-27
David L. HoustonN/A43,458less than 0.1%2016-06-10
Mr. Steve BaldwinN/A36,634less than 0.1%2017-02-27

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
BlackRock Inc.   Premium Plus20,422,3252017-06-300.020.11301,231
VANGUARD GROUP INC   Premium Plus13,274,2462017-06-300.010.07195,796
Boston Partners   Premium Plus12,524,3472017-06-300.230.07184,734
STATE STREET CORP   Premium Plus7,443,0392017-06-300.010.04109,780
Brenham Capital Management, L.P.   Premium Plus5,700,0002017-06-3015.300.0384,075
UBS OCONNOR LLC   Premium Plus4,397,8502017-06-301.570.0264,868
D. E. Shaw & Co., Inc.   Premium Plus4,390,6752017-06-300.110.0264,762
Citadel Advisors LLC   Premium Plus3,956,1572017-06-300.050.0258,353
Richard Snow Premium3,728,2672017-06-302.730.0254,992
Encompass Capital Advisors LLC   Premium Plus3,580,0842017-06-307.320.0252,806
Firefly Value Partners, LP   Premium Plus3,452,1002017-06-305.930.0250,918
DIMENSIONAL FUND ADVISORS LP   Premium Plus3,260,4082017-06-300.020.0248,092
SCHRODER INVESTMENT MANAGEMENT GROUP   Premium Plus2,877,0782017-06-300.080.0242,840
VILLERE ST DENIS J & CO LLC   Premium Plus2,809,8382017-06-302.400.0241,445
Bank of New York Mellon Corp   Premium Plus1,890,6292017-06-300.010.0127,887
EARNEST PARTNERS LLC   Premium Plus1,776,9322017-06-300.280.0126,210
BANK OF AMERICA CORP /DE/   Premium Plus1,744,1882017-06-300.010.0125,726
GLENMEDE TRUST CO NA   Premium Plus1,718,1682017-06-300.150.0129,509
HIGHBRIDGE CAPITAL MANAGEMENT LLC   Premium Plus1,568,6932017-06-300.420.0123,138
ADAGE CAPITAL PARTNERS GP LLC   Premium Plus1,510,0002017-06-300.050.0122,273

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