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iRobot Corp (IRBT) Ownership Data

Short Interest History (%)

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

Date Short Interest (%)Short Interest (Shares in Mil)
October 31, 201735.727.37
October 13, 201728.195.81
September 29, 201725.515.26
September 15, 201721.254.38
August 31, 201721.314.40
August 15, 201717.823.68
July 31, 201716.913.49
July 14, 201719.524.03
June 30, 201721.094.35
June 15, 201719.884.10
May 31, 201721.864.51
May 15, 201722.254.59
April 28, 201721.134.36
April 13, 201720.854.30
March 31, 201721.534.44
March 15, 201719.884.10
February 28, 201719.223.97
February 15, 201717.783.67
January 31, 201712.663.55
January 13, 201713.873.89
December 30, 201615.034.21
December 15, 201614.44.04
November 30, 201615.234.27
November 15, 201615.524.35
October 31, 201614.033.93
October 14, 201614.944.19
September 30, 201615.054.22
September 15, 201614.294.01
August 31, 201614.063.94
August 15, 201615.254.27
July 29, 201615.374.31
July 15, 201615.394.31
June 30, 201615.314.29
June 15, 201616.214.54
May 31, 201617.885.01
May 13, 201618.335.14
April 29, 201619.045.33
April 15, 201619.25.38
March 31, 201614.984.20
March 15, 201615.754.41
February 29, 201616.34.70
February 12, 201616.974.89
January 29, 201617.715.10
January 15, 201618.195.24
December 31, 201519.035.48
December 15, 201517.615.07
November 30, 201516.514.76
November 13, 201516.164.66
October 30, 201515.164.37
October 15, 201514.564.20
September 30, 201516.614.79
September 15, 201515.624.50
August 31, 201514.154.08
August 14, 201513.273.82
July 31, 201512.913.72
July 15, 201513.243.81
June 30, 201513.53.89
June 15, 201514.024.04
May 29, 201514.084.06
May 15, 201513.773.97
April 30, 201513.493.89
April 15, 201514.834.27
March 31, 201514.994.32
March 13, 201512.93.70
February 27, 2015144.01
February 13, 201514.744.22
January 30, 201519.625.62
January 15, 201524.487.01
December 31, 201424.026.88
December 15, 201424.737.08
November 28, 201424.787.10
November 14, 201425.557.32
October 31, 201425.677.35
October 15, 201427.097.76
September 30, 201425.877.41
September 15, 201430.668.78
August 29, 201429.658.50
August 15, 201428.348.12
July 31, 201429.278.39
July 15, 201433.439.58
June 30, 201433.39.54
June 13, 201434.029.75
May 30, 201434.379.85
May 15, 201428.928.29
April 30, 201427.367.84
April 15, 201426.657.64
March 31, 201425.267.24
March 14, 201422.656.07
February 28, 201419.355.19
February 14, 201418.44.94
January 31, 201415.324.11
January 15, 201413.383.59
December 31, 201312.213.27
December 13, 201311.373.05
November 29, 201310.442.80
November 15, 20139.242.48
October 31, 20139.452.53
October 15, 20138.962.40
September 30, 20138.742.34
September 13, 20138.022.15
August 30, 20137.291.96
August 15, 20136.91.85
July 31, 20138.22.20
July 15, 201310.252.75
June 28, 201310.792.89
June 14, 20138.372.25
May 31, 201382.15
May 15, 20139.332.50
April 30, 201310.662.86
April 15, 201311.653.12
March 28, 201311.112.90
March 15, 201310.82.82
February 28, 20139.792.56
February 15, 20139.662.53
January 31, 20138.72.27
January 15, 20137.231.89
December 31, 20127.051.84
December 14, 20128.842.31
November 30, 20129.162.39
November 15, 20128.772.29
October 31, 20128.662.26
October 15, 20128.362.18
September 28, 20128.812.30
September 14, 201210.492.74
August 31, 201210.452.73
August 15, 201210.922.85
July 31, 201212.583.29
July 13, 201213.043.41
June 29, 201213.663.57
June 15, 201213.353.49
May 31, 201213.243.46
May 15, 201214.233.72
April 30, 201213.883.63
April 13, 201213.943.64
March 30, 201217.073.37
March 15, 201212.832.54
February 29, 201213.232.62
February 15, 201213.382.65
January 31, 201217.133.39
January 13, 201219.233.80
December 30, 201118.823.72
December 15, 201118.853.73
November 30, 201118.953.75
November 15, 201118.913.74
October 31, 201121.164.18
October 14, 201120.984.15
September 30, 201119.453.84
September 15, 201119.443.84
August 31, 201117.493.46
August 15, 201112.752.52
July 29, 201110.882.15
July 15, 20119.971.97
June 30, 201110.232.02
June 15, 20119.031.78
May 31, 20118.641.71
May 13, 20118.261.63
April 29, 20118.981.78
April 15, 20117.791.54
March 31, 20117.051.39
March 15, 20117.611.36
February 28, 20116.951.24
February 15, 20117.41.32
January 31, 20117.511.34
January 14, 20117.141.28
December 31, 20109.971.78
December 15, 201011.592.07
November 30, 201011.662.09
November 15, 201011.021.97
October 29, 201011.42.04
October 15, 201012.152.17
September 30, 201012.32.20
September 15, 201012.992.32
August 31, 201013.542.42
August 13, 201013.582.43
July 30, 201014.532.60
July 15, 201014.492.59
June 30, 201014.692.63
June 15, 201014.832.65
May 28, 201014.742.64
May 14, 201015.022.69
April 30, 201015.462.77
April 15, 201016.222.90

Institutional Ownership History (%)

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

Date Institutional Ownership (%)Institutional Ownership (Shares in Mil)
September 30, 201775.4220.99
June 30, 201774.8920.51
March 31, 201784.4123.00
December 31, 201676.320.78
September 30, 201679.5421.62
June 30, 201676.6221.05
March 31, 201676.6722.23
December 31, 201582.3723.95
September 30, 201571.8921.08
June 30, 201570.0120.87
March 31, 201571.821.33
December 31, 201479.3923.54
September 30, 201472.9821.60
June 30, 201491.4927.03
March 31, 201483.3524.53
December 31, 201371.2320.61
September 30, 201371.4720.58
June 30, 201374.0321.20
March 31, 201373.2120.50
December 31, 201265.1418.10
September 30, 201270.1619.45
June 30, 201274.720.55
March 31, 201277.4721.21
December 31, 201183.2622.66
September 30, 201182.7222.22
June 30, 201170.3818.68
March 31, 201163.4116.68
December 31, 201060.9615.52
September 30, 201057.7914.67
June 30, 201061.515.49
March 31, 201058.0814.57
December 31, 200971.2517.84
September 30, 200946.8711.73
June 30, 200942.7910.70
March 31, 200949.6912.37
December 31, 200846.8811.62
September 30, 200845.9411.37
June 30, 200848.4211.94
March 31, 200850.2712.39
December 31, 200744.1910.83
September 30, 200737.779.25
June 30, 200734.38.34
March 31, 200727.926.75
December 31, 200621.925.21
September 30, 200618.674.42
June 30, 200614.523.42
March 31, 200610.062.35
December 31, 200513.913.24

Insider ownership (%)

This is the historical insider ownership of iRobot 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)
October 31, 20179.382.60
September 30, 20179.382.60
August 31, 20179.42.60
July 31, 20179.442.61
June 30, 20179.552.62
May 31, 20179.622.64
April 30, 20179.722.65
March 31, 20179.512.59
February 28, 20179.592.60
January 31, 20179.632.61
December 31, 20169.682.63
November 30, 20169.72.63
October 31, 20169.692.63
September 30, 20169.72.64
August 31, 20169.742.65
July 31, 20169.652.65
June 30, 20169.52.61
May 31, 20169.532.62
April 30, 20169.032.62
March 31, 20168.662.51
February 29, 20168.722.54
January 31, 20168.762.55
December 31, 20159.032.62
November 30, 20158.972.61
October 31, 20158.632.58
September 30, 20158.52.54
August 31, 20158.52.54
July 31, 20158.482.53
June 30, 20158.482.53
May 31, 20158.442.52
April 30, 20158.412.50
March 31, 20158.432.50
February 28, 20158.212.44
January 31, 20158.242.44
December 31, 20148.022.37
November 30, 20148.262.44
October 31, 20148.292.45
September 30, 20148.292.45
August 31, 20148.272.44
July 31, 20148.132.40
June 30, 20148.152.40
May 31, 20148.082.38
March 31, 20148.862.38
February 28, 20148.712.34
January 31, 20148.792.36
December 31, 20138.832.37
November 30, 20139.332.51
October 31, 20139.172.46
September 30, 20139.172.46
August 31, 20139.182.46
July 31, 20139.182.46
June 30, 20139.182.46
May 31, 20139.352.51
April 30, 20139.372.52
March 31, 20139.722.61
January 31, 20139.412.53
November 30, 20129.52.55
October 31, 20129.532.56
September 30, 20129.532.56
August 31, 20129.52.55
July 31, 20129.52.55
June 30, 20129.722.61
May 31, 20129.592.58
April 30, 20129.592.58
March 31, 20129.62.58
February 29, 20128.972.41
January 31, 201292.42
December 31, 20119.042.43
November 30, 20119.042.43
October 31, 20119.012.42
September 30, 20119.132.45
August 31, 20119.22.47
July 31, 20119.22.47
June 30, 20119.452.51
May 31, 20119.422.50
April 30, 20119.562.54
March 31, 201110.942.85
February 28, 201111.112.89
January 31, 201112.053.07
December 31, 201012.43.16
November 30, 201013.393.41
October 31, 201013.483.43
September 30, 201013.993.55
August 31, 201014.073.57
July 31, 201014.113.58
June 30, 201014.483.65
May 31, 201014.733.71
April 30, 201015.343.86
March 31, 201015.954.00
February 28, 201015.923.99
January 31, 201016.134.04
December 31, 200916.134.04
November 30, 200916.384.10
October 31, 200917.124.29
September 30, 200917.334.34
August 31, 200917.424.36
July 31, 200920.065.02
June 30, 200920.115.03
May 31, 200920.285.06
April 30, 200920.725.17
March 31, 200920.675.15
February 28, 200920.85.18
January 31, 200920.635.11
December 31, 200820.635.11
November 30, 200820.655.12
October 31, 200822.365.54
September 30, 200822.445.54
August 31, 200822.445.54
July 31, 200822.445.54
June 30, 200822.535.54
May 31, 200822.295.48
April 30, 200826.36.46
March 31, 200826.156.41
February 29, 200827.276.68
January 31, 200827.076.64
December 31, 200727.096.63
November 30, 200727.096.63
October 31, 200727.16.64
September 30, 200727.276.64
August 31, 200727.276.64
July 31, 200727.276.64
June 30, 200727.446.64
May 31, 200727.446.64
April 30, 200727.456.64
March 31, 200734.678.27
February 28, 200735.368.44
January 31, 200735.598.44
December 31, 200636.418.63
November 30, 200636.658.69
October 31, 200636.898.75
September 30, 200637.38.79
June 30, 200640.529.50
May 31, 200640.479.49
April 30, 200640.59.49
March 31, 200640.59.49
February 28, 200640.459.48
January 31, 200640.699.48
December 31, 200540.699.48
November 30, 200540.699.48
October 31, 200540.699.48

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Dr. Rodney A. Brooks,PhDN/A532,3591.91%2011-05-24
Colin M. AngleCEO504,8341.81%2017-03-10
Helen GreinerN/A386,3811.39%2011-07-01
Geoffrey P. ClearN/A182,1400.65%2008-05-22
Gregory F. WhiteN/A166,5460.6%2007-02-05
George C. McnameeN/A86,1920.31%2015-10-27
Alison DeanEVP, CFO & Treasurer83,2810.3%2017-03-10
Christian CerdaCOO78,6980.28%2017-03-10
Russell J. CampanelloEVP Human Resources, Corp Comm75,5280.27%2017-03-10
Glen D. WeinsteinEVP and Chief Legal Officer72,0830.26%2017-03-10

Top Fund Holders

HolderSharesReport Date% of Total
Assets Managed
% of Shares
Outstanding
Market Value($1000)
BlackRock Inc.   Premium Plus3,654,5092017-09-300.01%N/A281,618
VANGUARD GROUP INC   Premium Plus3,415,0902017-09-300.01%N/A263,167
STATE STREET CORP   Premium Plus1,093,3212017-09-300.01%N/A84,254
OPPENHEIMER FUNDS INC   Premium Plus1,014,8972017-09-300.10%N/A78,208
DIMENSIONAL FUND ADVISORS LP   Premium Plus783,3042017-09-300.03%N/A60,361
ARROWSTREET CAPITAL LIMITED PARTNERSHIP   Premium Plus663,0952017-09-300.14%N/A51,098
PICTET ASSET MANAGEMENT LTD   Premium Plus529,2042017-09-300.12%N/A40,780
CREDIT SUISSE AG/   Premium Plus525,5512017-09-300.04%N/A40,499
LORD, ABBETT & CO. LLC   Premium Plus506,6982017-09-300.12%N/A39,046
Bank of New York Mellon Corp   Premium Plus427,3432017-09-300.01%N/A32,931
DISCIPLINED GROWTH INVESTORS INC /MN   Premium Plus365,8062017-09-300.59%N/A28,189
Columbia Wanger Premium359,1782017-09-300.41%N/A27,678
FMR LLC   Premium Plus358,4322017-09-300.00%N/A27,621
NORTHERN TRUST CORP   Premium Plus351,5352017-09-300.01%N/A27,090
Jim Simons Premium342,1002017-09-300.03%N/A26,362
OLD MUTUAL ASSET MANAGERS UK LTD   Premium Plus334,2662017-09-300.27%N/A25,758
ROTHSCHILD ASSET MANAGEMENT INC   Premium Plus293,9612017-09-300.25%N/A22,653
GEODE CAPITAL MANAGEMENT, LLC   Premium Plus277,9352017-09-300.01%N/A21,416
GOLDMAN SACHS GROUP INC   Premium Plus245,5722017-09-300.00%N/A18,924
Parallax Volatility Advisers, LLC   Premium Plus236,1002017-09-300.03%N/A18,194

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