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F5 Networks Inc (FFIV) Ownership Data

Short Interest History (%)

This is the historical short interest of F5 Networks Inc, as measured by the Short Percentage Of Float.

Date Short Interest
April 30, 20157.79
April 15, 20157.08
March 31, 20156.9
March 13, 20155.82
February 27, 20154.7
February 13, 20154.18
January 30, 20154.41
January 15, 20155.01
December 31, 20144.44
December 15, 20145.58
November 28, 20146
November 14, 20145.77
October 31, 20145.61
October 15, 20146.35
September 30, 20146.21
September 15, 20146.71
August 29, 20147.83
August 15, 20148.42
July 31, 20148.23
July 15, 20148.6
June 30, 20148.82
June 13, 20149.45
May 30, 201410.09
May 15, 201410.1
April 30, 20148.87
April 15, 201410.03
March 31, 201410.3
March 14, 201410.52
February 28, 20149.7
February 14, 20149.62
January 31, 20148.87
January 15, 20148.76
December 31, 20138.47
December 13, 20139.21
November 29, 20139.01
November 15, 20138.92
October 31, 20138.25
October 15, 20136.93
September 30, 20136.83
September 13, 20135.62
August 30, 20135.32
August 15, 20136.2
July 31, 20134.71
July 15, 20135.35
June 28, 20135.83
June 14, 20135.33
May 31, 20135.28
May 15, 20135
April 30, 20133.96
April 15, 20135.82
March 28, 20136.58
March 15, 20136.66
February 28, 20136.32
February 15, 20135.1
January 31, 20133.77
January 15, 20134.62
December 31, 20125.61
December 14, 20125.77
November 30, 20125.28
November 15, 20123.89
October 31, 20123.8
October 15, 20124.41
September 28, 20123.85
September 14, 20124.05
August 31, 20124.44
August 15, 20124.29
July 31, 20124.82
July 13, 20124.7
June 29, 20124.73
June 15, 20124.09
May 31, 20123.27
May 15, 20122.68
April 30, 20121.64
April 13, 20122.04
March 30, 20122.06
March 15, 20122.07
February 29, 20122.21
February 15, 20122.21
January 31, 20122.03
January 13, 20123.04
December 30, 20113.11
December 15, 20113.71
November 30, 20113.78
November 15, 20113.85
October 31, 20114.74
October 14, 20114.9
September 30, 20114.59
September 15, 20114.33
August 31, 20113.52
August 15, 20113.01
July 29, 20113.42
July 15, 20113.63
June 30, 20114.83
June 15, 20115.14
May 31, 20114.41
May 13, 20113.52
April 29, 20113.82
April 15, 20114.62
March 31, 20113.97
March 15, 20115.13
February 28, 20116.01
February 15, 20116.91
January 31, 20115.35
January 14, 20115.81
December 31, 20105.3
December 15, 20105.4
November 30, 20106.1
November 15, 20106.17
October 29, 20106.41
October 15, 20106.35
September 30, 20106.37
September 15, 20106.31
August 31, 20106.14
August 13, 20107.07
July 30, 20107.08
July 15, 20107.32
June 30, 20107.39
June 15, 20106.33
May 28, 20105.67
May 14, 20104.73
April 30, 20104.67
April 15, 20103.7
March 31, 20104.02
March 15, 20105.02
February 26, 20104.3
February 12, 20102.96
January 29, 20102.77
January 15, 20103.1
December 31, 20093.1
December 15, 20093.89
November 30, 20093.45
November 13, 20093.02
October 30, 20093.29
October 15, 20093.4
September 30, 20092.94
September 15, 20094.6
August 31, 20093.7
August 14, 20093.7
July 31, 20093.39
July 15, 20096.92
June 30, 20097.61
June 15, 200910.56
May 29, 200911.06
May 15, 200910.98
April 30, 200910.85
April 15, 200911.88
March 31, 200911.14
March 13, 200911.68
February 27, 200910.87
February 13, 200911.53
January 30, 200911.47
January 15, 200910.94
December 31, 20089.88
December 15, 200811.12
November 28, 20088.34
November 14, 20086.6
October 31, 20087.15
October 15, 20089.24
September 30, 200811.61
September 15, 200813.03
August 29, 200811.46
August 15, 200810.69
July 31, 200810.46
July 15, 200812.17
June 30, 200811.09
June 13, 200811.25
May 30, 20089.96
May 15, 200813.49
April 30, 200811.84
April 15, 200810.65
March 31, 200810.71
March 14, 20089.56
February 29, 20089.48
February 15, 20087.49
January 31, 20087.49
January 15, 20084.68
December 31, 20074.56
December 11, 20074.64
November 27, 20074.43
November 9, 20074.46
October 26, 20073.91
October 10, 20074.88
September 25, 20074.48
September 11, 20074.51
August 10, 20074.28
July 10, 20076.13
June 12, 20075.62
May 10, 20076.73
April 10, 20074.97
March 12, 20074.47
February 12, 20074.94
January 9, 20074.52
December 12, 20064.07
November 10, 20064.66
October 10, 20066.24
September 12, 20066.85
August 10, 20067.62
July 11, 20068.44
June 12, 200610.01
May 10, 200614.02
April 10, 200612.47
March 10, 200612.15
February 10, 200610.37
January 10, 20069.59
December 12, 200510
November 10, 20059.91
October 11, 200514.69
September 12, 200514.39
August 10, 200511.54
July 12, 200512.91
June 10, 200512.36
May 10, 200513.17
April 12, 200510.15
March 10, 20059.83
February 10, 20059.13
January 11, 20057.3
December 10, 20049.46
November 10, 200413.35
October 12, 200415
September 10, 200414.89
August 10, 200417.65
July 12, 200417.87
June 9, 200416.44
May 11, 200412.79
April 12, 200412.2
March 10, 200411.37
February 10, 20045.35
January 12, 20045.11
December 10, 20035.72
November 11, 20037.64
October 10, 200310.72
September 10, 20039.23
August 12, 200310.46
July 10, 200310.13
June 10, 200311.23
May 12, 200313.72
April 10, 200313.41
March 11, 200312.45
February 11, 200312.7
January 10, 200313.78
December 10, 200213.64
November 12, 200215.75
October 10, 200216.03
September 10, 200215.53
August 12, 200215.57
July 10, 200215.35
June 11, 200216.15
May 10, 200218.39
April 10, 200226.51
March 12, 200227.83
February 12, 200224.73
January 10, 200218.47
December 11, 200111.76
November 12, 200110.2
October 10, 200111.44
September 5, 200110.98
August 10, 20018.91
July 10, 20019.43
June 12, 20017.32
May 10, 20018.14
April 9, 20017.36
March 12, 20019.51
February 12, 200111.69
January 9, 200111.72
December 12, 200016.32
November 10, 200016.37
October 10, 200018.09
September 12, 200013.3
August 10, 200015.63
July 11, 200017.33
June 12, 200016.06
May 10, 200013.82
April 11, 20005.14
March 10, 20005.14
February 10, 20005.15
January 11, 20003.28
December 10, 19992.2
November 10, 19992.87
October 12, 19992.56
September 10, 19990.82
August 10, 19990.33
July 12, 19990.78

Institutional Ownership History (%)

This the Institutional Ownership History of F5 Networks IncPeter Lynch prefers to buy companies with low institutional ownership.

Date Institutional Ownership
March 31, 201599
February 28, 2015100
January 31, 201598
December 31, 201498
November 30, 2014100
March 31, 201499
January 31, 201499
December 31, 201399
September 30, 2013100
May 31, 201395
April 30, 201393
March 31, 201393
February 28, 201394
January 31, 201394
December 31, 201293
November 30, 201293
October 31, 201291
June 30, 201294
May 31, 201292
April 30, 201292
March 31, 201293
February 29, 201298
January 31, 201297
December 31, 201193
November 30, 201193
October 31, 201193
September 30, 201193
August 31, 201193
July 31, 201195
June 30, 201194
May 31, 201192
April 30, 201194
March 31, 201197
February 28, 201197
January 31, 201194
December 31, 201096
November 30, 201097
October 31, 201097
July 31, 201099
June 30, 201098
January 31, 201099
November 30, 2009100
September 30, 2009100

Insider ownership (%)

This is the historical insider ownership of F5 Networks 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, 20151
March 31, 20151
February 28, 20151
January 31, 20151
December 31, 20141
November 30, 20141
October 31, 20141
September 30, 20141
August 31, 20141
July 31, 20141
June 30, 20141
May 31, 20141
March 31, 20141
February 28, 20141
January 31, 20141
December 31, 20131
November 30, 20131
October 31, 20131
September 30, 20131
August 31, 20131
July 31, 20131
June 30, 20131
May 31, 20131
April 30, 20131
March 31, 20131
January 31, 20131
November 30, 20121
October 31, 20121
September 30, 20121
August 31, 20121
July 31, 20121
June 30, 20121
May 31, 20121
April 30, 20121
March 31, 20121
February 29, 20121
January 31, 20121
December 31, 20111
November 30, 20111
October 31, 20111
September 30, 20111
August 31, 20111
July 31, 20111
June 30, 20111
May 31, 20111
April 30, 20111
March 31, 20111
February 28, 20111
January 31, 20111
December 31, 20101
November 30, 20101
October 31, 20101
September 30, 20101
August 31, 20101
July 31, 20101
June 30, 20101
May 31, 20101
April 30, 20101
March 31, 20101
February 28, 20106
January 31, 20106
December 31, 20096
November 30, 20096
October 31, 20096
September 30, 20096
August 31, 20096
July 31, 20096
June 30, 20096
May 31, 20096
April 30, 20097
March 31, 20097
February 28, 20097
January 31, 20096
December 31, 20086
November 30, 20086
October 31, 20086
September 30, 20086
August 31, 20086
July 31, 20086
June 30, 20086
May 31, 20086
April 30, 20081
March 31, 20081
February 29, 20081
January 31, 20081
December 31, 20071
November 30, 20071
October 31, 20071
September 30, 20071
August 31, 20071
July 31, 20071
June 30, 20071
May 31, 20071
April 30, 20071
March 31, 20071
February 28, 20071
October 31, 20046
September 30, 20046
August 31, 20046
July 31, 20046
June 30, 200410
May 31, 200410
April 30, 200410
March 31, 200410
February 29, 200410

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Rich MaloneN/A80,4120.11%2008-03-10
John H. McAdamPresident and CEO77,4310.11%2015-05-11
M. Thomas HullSr. VP Worldwide Sales58,921less than 0.1%2007-11-01
Edward J. EamesEVP, Business Operations33,510less than 0.1%2015-05-01
Keith D. GrinsteinDirector32,412less than 0.1%2008-03-10
Scott ThompsonN/A26,530less than 0.1%2012-03-14
Mr. Timothy R. MorseN/A26,530less than 0.1%2012-03-14
Dan MatteEVP of Marketing24,638less than 0.1%2013-05-17
Jeffrey A. ChristiansonEVP and General Counsel21,905less than 0.1%2013-07-31
Alan J. HigginsonDirector18,171less than 0.1%2015-05-14

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Vanguard Group, Inc.   Premium Plus5,819,9362015-03-318.120.05668,944,000
Wellington Management Company LLP   Premium Plus3,888,0742014-12-315.350.13507,258,000
Wellington Management Company LLP   Premium Plus3,888,0742014-12-315.350.13507,258,000
State Street Corp   Premium Plus3,101,3852014-12-314.270.04404,614,000
BlackRock Fund Advisors   Premium Plus2,230,8082015-03-313.110.04256,409,000
Invesco Advisers, Inc   Premium Plus2,229,8602014-12-313.070.19290,918,000
Fidelity Management and Research Company   Premium Plus1,705,0012015-03-312.380.03195,973,000
PRIMECAP Management Company Premium1,541,7102015-03-312.150.17177,204,000
Harding Loevner L.P.   Premium Plus1,445,2402015-03-312.021.27166,116,000
Vanguard Mid-Cap Index Fund1,401,1802015-04-301.960.26170,971,984
Swedbank Robur Fonder AB   Premium Plus1,302,9912014-12-311.791.31169,994,000

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