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Carrizo Oil & Gas Inc (CRZO) Ownership Data

Short Interest History (%)

This is the historical short interest of Carrizo Oil & Gas Inc, as measured by the Short Percentage Of Float.

Date Short Interest
June 15, 20158.29
May 29, 20157.9
May 15, 20157.43
April 30, 20157.14
April 15, 20157.69
March 31, 20158.57
March 13, 201511.85
February 27, 201512.04
February 13, 201512.44
January 30, 201510.37
January 15, 20159.14
December 31, 20147.73
December 15, 20147.06
November 28, 20147.15
November 14, 20147.82
October 31, 20148.26
October 15, 20148.16
September 30, 20146.97
September 15, 20147.11
August 29, 20147.07
August 15, 20148.01
July 31, 20146.85
July 15, 20147.26
June 30, 20147.75
June 13, 20148.43
May 30, 20148.34
May 15, 20147.56
April 30, 20147.46
April 15, 20147.91
March 31, 20149.04
March 14, 201411.02
February 28, 201411.66
February 14, 201410.5
January 31, 201410.56
January 15, 20149.71
December 31, 201310.24
December 13, 201313.02
November 29, 201313.54
November 15, 201313.96
October 31, 201313.85
October 15, 201316.89
September 30, 201314.35
September 13, 201316.05
August 30, 201315.45
August 15, 201315.71
July 31, 201316.62
July 15, 201317.74
June 28, 201316.88
June 14, 201316.33
May 31, 201316.9
May 15, 201318.59
April 30, 201318.43
April 15, 201318.77
March 28, 201317.76
March 15, 201318.76
February 28, 201315.42
February 15, 201315.22
January 31, 201315.1
January 15, 201315.51
December 31, 201217.63
December 14, 201216.2
November 30, 201217.04
November 15, 201218.98
October 31, 201218.94
October 15, 201218.72
September 28, 201218.6
September 14, 201220.15
August 31, 201219.38
August 15, 201221.11
July 31, 201221.56
July 13, 201220.58
June 29, 201220.96
June 15, 201219.9
May 31, 201218.43
May 15, 201218.66
April 30, 201218.38
April 13, 201218.97
March 30, 201219.37
March 15, 201219.21
February 29, 201216.77
February 15, 201217.97
January 31, 201219.7
January 13, 201220.57
December 30, 201120.2
December 15, 201121.77
November 30, 201122.77
November 15, 201122.13
October 31, 201118.28
October 14, 201117.51
September 30, 201117.93
September 15, 201118.2
August 31, 201114.76
August 15, 201113.46
July 29, 201116.11
July 15, 201116.33
June 30, 201114.46
June 15, 201113.8
May 31, 201114.06
May 13, 201113.08
April 29, 201112.65
April 15, 201112.61
March 31, 201111.3
March 15, 201110.04
February 28, 201112.06
February 15, 201111.61
January 31, 201111.64
January 14, 201115.14
December 31, 201014.13
December 15, 201013.52
November 30, 201014.31
November 15, 201015.87
October 29, 201016.83
October 15, 201018.92
September 30, 201018.63
September 15, 201018.32
August 31, 201017.71
August 13, 201014.71
July 30, 201014.28
July 15, 201013.44
June 30, 201010.96
June 15, 201011.52
May 28, 201010.98
May 14, 201014.2
April 30, 201013.65
April 15, 201014.77
March 31, 201020.91
March 15, 201015.62
February 26, 201014.41
February 12, 201015.09
January 29, 201017.99
January 15, 201017.87
December 31, 200920.32
December 15, 200917.87
November 30, 200915.24
November 13, 200914.4
October 30, 200913.79
October 15, 200916.41
September 30, 200915.86
September 15, 200917.21
August 31, 200916.85
August 14, 200916.73
July 31, 200917.15
July 15, 200916.1
June 30, 200917.12
June 15, 200917
May 29, 200918.58
May 15, 200917.51
April 30, 200912.99
April 15, 200914.84
March 31, 200914.41
March 13, 200912.14
February 27, 200911.65
February 13, 200912.36
January 30, 200911.54
January 15, 200913.71
December 31, 200812.41
December 15, 200812.11
November 28, 200813.06
November 14, 200811.47
October 31, 200812.61
October 15, 200810.44
September 30, 200812.21
September 15, 200810.85
August 29, 200811.57
August 15, 200810.24
July 31, 200811.37
July 15, 200812.15
June 30, 200810.64
June 13, 200811.13
May 30, 200810.37
May 15, 20086.94
April 30, 20086.62
April 15, 20087.9
March 31, 20088.17
March 14, 200810.44
February 29, 20088.82
February 15, 20089.47
January 31, 20088.81
January 15, 20089.61
December 31, 20079.24
December 11, 200710.09
November 27, 200711.22
November 9, 200711.78
October 26, 200711.78
October 10, 200712.03
September 25, 200712.79
September 11, 200712.91
August 10, 200713.94
July 10, 200716.65
June 12, 200716.26
May 10, 200713.77
April 10, 200713.2
March 12, 200713.37
February 12, 200712.36
January 9, 200710.04
December 12, 200612.04
November 10, 200613.72
October 10, 200615.72
September 12, 200614.25
August 10, 200612.39
July 11, 200613.19
June 12, 200614.65
May 10, 200612.39
April 10, 200610.78
March 10, 200610.17
February 10, 200610.62
January 10, 200611.07
December 12, 200511
November 10, 200510.24
October 11, 20058.8
September 12, 20059.92
August 10, 20059.9
July 12, 200511.25
June 10, 20058.98
May 10, 20056.49
April 12, 20055.9
March 10, 20053.75
February 10, 20054.03
January 11, 20055.06
December 10, 20045.4
November 10, 20045.25
October 12, 20042.78
September 10, 20042.27
August 10, 20042.19
July 12, 20042.06
June 9, 20041.8
May 11, 20042.15
April 12, 20041.64
March 10, 20041.98
February 10, 20041.97
January 12, 20041.68
December 10, 20031.66
November 11, 20031.66
October 10, 20031.63
September 10, 20031.56
August 12, 20031.91
July 10, 20031.91
June 10, 20031.6
May 12, 20031.45
April 10, 20031.45
March 11, 20031.43
February 11, 20031.43
January 10, 20031.43
December 10, 20021.4
November 12, 20021.4
October 10, 20021.37
September 10, 20021.41
August 12, 20021.38
July 10, 20021.41
June 11, 20021.45
May 10, 20021.46
April 10, 20021.47
March 12, 20021.5
February 12, 20021.48
January 10, 20021.43
December 11, 20011.45
November 12, 20011.47
October 10, 20011.47
September 5, 20011.56
August 10, 20011.51
July 10, 20011.58
June 12, 20011.61
May 10, 20011.15
March 12, 20010.04
February 12, 20010.03
January 9, 20010.01
December 12, 20001.43
November 10, 20000.01
October 10, 20000.03
September 12, 20000.03
August 10, 20000.02
July 11, 20000.01
June 12, 20000.02
September 10, 19990.02
August 10, 19990.03
July 12, 19990.03
June 10, 19990.03
May 11, 19990.06
April 12, 19990.02
January 8, 19990.08
December 8, 19980.01
October 8, 19980.01
September 8, 19980.02
August 7, 19980.01
July 8, 19980.02
June 8, 19980.01
May 8, 19980.01
April 7, 19980.01
March 6, 19980.01
December 8, 19970.01
November 7, 19970.25
October 8, 19970.01
August 8, 19970.18

Institutional Ownership History (%)

This the Institutional Ownership History of Carrizo Oil & Gas IncPeter Lynch prefers to buy companies with low institutional ownership.

Date Institutional Ownership
March 31, 2015100
September 30, 201494
June 30, 201494
March 31, 201499
December 31, 201396
September 30, 201399
March 31, 201397
March 31, 2012100
September 30, 201198
March 31, 200691
December 31, 200590
September 30, 200588
June 30, 200598
March 31, 200576
December 31, 200476
September 30, 200473
June 30, 200469
March 31, 200457
September 30, 200349
June 30, 200345
March 31, 200345
December 31, 200244
September 30, 200245
June 30, 200245
March 31, 200246
December 31, 200146
September 30, 200144
June 30, 200141
March 31, 200146
December 31, 200045
September 30, 200042
June 30, 200040
March 31, 200039

Insider ownership (%)

This is the historical insider ownership of Carrizo Oil & Gas Inc. 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
April 30, 20157
March 31, 20158
February 28, 20158
January 31, 20158
December 31, 20148
November 30, 20148
October 31, 20148
September 30, 20148
August 31, 20148
July 31, 20148
June 30, 20148
May 31, 20148
March 31, 20149
February 28, 20149
January 31, 20149
December 31, 20139
November 30, 201310
October 31, 201310
September 30, 201310
August 31, 201310
July 31, 201310
June 30, 201310
May 31, 201310
April 30, 20139
March 31, 20139
January 31, 20139
November 30, 20129
October 31, 20129
September 30, 20129
August 31, 20129
July 31, 20129
June 30, 20129
May 31, 20129
April 30, 20129
March 31, 20129
February 29, 20129
January 31, 20129
December 31, 20119
November 30, 20119
October 31, 20119
September 30, 20119
August 31, 20119
July 31, 20119
June 30, 20119
May 31, 20119
April 30, 20119
March 31, 20119
February 28, 201110
January 31, 201110
December 31, 201010
November 30, 201010
October 31, 201010
September 30, 201010
August 31, 201010
July 31, 201010
June 30, 201010
May 31, 201010
April 30, 201011
March 31, 201011
February 28, 201011
January 31, 201011
December 31, 200910
November 30, 200910
October 31, 200910
September 30, 200910
August 31, 200910
July 31, 200910
June 30, 200910
May 31, 200910
April 30, 200910
March 31, 200910
February 28, 200911
January 31, 200911
December 31, 200811
November 30, 200811
October 31, 200811
September 30, 200811
August 31, 200811
July 31, 200811
June 30, 200811
May 31, 200811
April 30, 200811
March 31, 200812
February 29, 200812
January 31, 200811
December 31, 200712
November 30, 200712
October 31, 200712
September 30, 200712
August 31, 200712
July 31, 200713
June 30, 200713
May 31, 200713
April 30, 200713
March 31, 200713
February 28, 200713
January 31, 200713
December 31, 200613
November 30, 200614
October 31, 200614
September 30, 200614
June 30, 200614
May 31, 200614
April 30, 200614
March 31, 200614
February 28, 200614
January 31, 200614
December 31, 200514
November 30, 200514
October 31, 20055
September 30, 20055
August 31, 20055
July 31, 20055
June 30, 20055
May 31, 20056
April 30, 20056
March 31, 20056
February 28, 20056
January 31, 20056
December 31, 20046
November 30, 20046
October 31, 20046
September 30, 20046
August 31, 20046
July 31, 20046
June 30, 20047
May 31, 20048
April 30, 20048
March 31, 200415
February 29, 200415

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Steven A. WebsterN/A2,541,9324.94%2015-05-19
S. P. Johnson,IVPresident and CEO631,8431.23%2015-06-16
Paul F. BolingCFO, VP, Secretary, Treasurer91,3270.18%2014-08-13
J. Bradley FisherVP & COO81,7010.16%2015-05-29
Mr. F. Gardner ParkerDirector57,1120.11%2015-05-19
Douglas A.P. HamiltonDirector52,0050.1%2004-07-06
Richard H. SmithVice President - Land47,548less than 0.1%2015-06-10
Mr. David L. PittsVP & CFO39,620less than 0.1%2015-05-29
Thomas L. Carter,JrN/A39,225less than 0.1%2015-05-19
Mr. Roger A. RamseyDirector36,850less than 0.1%2015-06-05

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Frontier Capital Management CO Inc   Premium Plus3,565,6712015-03-316.931.28177,036,000
Vanguard Group, Inc.   Premium Plus3,437,5732015-03-316.680.01170,676,000
Citadel Advisors Llc   Premium Plus3,205,8032015-03-316.230.18159,168,000
BlackRock Fund Advisors   Premium Plus2,996,2692015-03-315.820.04148,765,000
Advisory Research, Inc.   Premium Plus1,653,6972015-03-313.210.9082,106,000
Columbia Wanger Asset Management LLC Premium1,561,0002015-03-313.030.4277,504,000
State Street Corp   Premium Plus1,440,0982015-03-312.800.0171,502,000
Daruma Asset Management Inc Premium1,372,2342015-03-312.673.0568,131,000
Dimensional Fund Advisors, Inc.   Premium Plus1,183,0882015-03-312.300.0458,739,000
iShares Core S&P Small-Cap (AU)1,133,7642015-06-162.330.3560,021,466

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