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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)
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)
March 31, 201781.1722.12
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)
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/A532,3591.94%2011-05-24
Colin M. AngleCEO504,8341.84%2017-03-10
Helen GreinerN/A386,3811.41%2011-07-01
Geoffrey P. ClearN/A182,1400.66%2008-05-22
Gregory F. WhiteN/A166,5460.61%2007-02-05
George C. McnameeN/A86,1920.31%2015-10-27
Alison DeanEVP, CFO & Treasurer83,2810.3%2017-03-10
Christian CerdaCOO78,6980.29%2017-03-10
Russell J. CampanelloEVP Human Resources, Corp Comm75,5280.28%2017-03-10
Glen D. WeinsteinEVP and Chief Legal Officer72,0830.26%2017-03-10

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
Columbia Wanger Asset Management LLC Premium1,247,3792016-12-314.581.0272,909
OppenheimerFunds Inc   Premium Plus1,105,7022016-12-314.060.0864,628
State Street Corp   Premium Plus589,6772016-12-312.16N/A34,463
Dimensional Fund Advisors, Inc.   Premium Plus891,5412016-12-313.270.0352,111
Lord, Abbett & Co LLC   Premium Plus1,438,2522016-12-315.280.2684,066
Baillie Gifford & Co Limited.   Premium Plus615,6002016-12-312.260.0635,982
RED MOUNTAIN CAPITAL PARTNERS LLC   Premium Plus1,333,8852016-06-084.86N/A51,355
Columbus Circle Investors   Premium Plus476,7952016-12-311.750.3627,869
Vanguard Group Inc   Premium Plus2,326,8702016-12-318.540.01136,006
BlackRock Fund Advisors   Premium Plus2,142,0042016-12-317.860.02125,200
Kennedy Capital Management Inc   Premium Plus476,8492016-12-311.750.4827,872
Fidelity Management and Research Company   Premium Plus739,1742016-12-312.710.0143,205
Arrowstreet Capital Limited Partnership   Premium Plus459,1972016-12-311.690.1026,840
iShares Core S&P Small-Cap (AU)1,122,7642017-03-164.240.2265,873
Oppenheimer Global Opportunities1,000,0002017-01-313.671.5760,560
Columbia Acorn Fund667,6662017-01-312.450.8540,434
Vanguard Small Cap Index595,0552017-02-282.180.0433,966
Vanguard Total Stock Mkt Idx560,3412017-02-282.060.0131,984
iShares Russell 2000 (AU)519,2062017-03-161.960.0830,462
Lord Abbett Developing Growth Fund451,7672017-01-311.661.2727,359

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