Switch to:

AtriCure Inc (ATRC) Ownership Data

Short Interest History (%)

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

Date Short Interest (%)Short Interest (Shares in Mil)
March 15, 201711.323.51
February 28, 201710.423.23
February 15, 201710.823.36
January 31, 201710.343.21
January 13, 20179.843.05
December 30, 201610.543.27
December 15, 201610.373.22
November 30, 201610.653.31
November 15, 201611.333.52
October 31, 201610.383.22
October 14, 20168.482.63
September 30, 20168.252.56
September 15, 20168.052.50
August 31, 20167.722.40
August 15, 20167.412.30
July 29, 20167.732.40
July 15, 201682.48
June 30, 20167.822.43
June 15, 20167.552.34
May 31, 20168.362.59
May 13, 20168.022.49
April 29, 20167.312.27
April 15, 20167.382.29
March 31, 20169.012.42
March 15, 20169.042.43
February 29, 20169.042.43
February 12, 20169.162.46
January 29, 20169.032.43
January 15, 20169.872.66
December 31, 20159.872.65
December 15, 20159.432.54
November 30, 20159.982.68
November 13, 201510.222.75
October 30, 201510.432.81
October 15, 201510.172.73
September 30, 201511.483.09
September 15, 201511.573.11
August 31, 201511.763.16
August 14, 201511.473.08
July 31, 201512.053.24
July 15, 201512.673.41
June 30, 201512.543.37
June 15, 201512.743.43
May 29, 201512.633.40
May 15, 201512.413.34
April 30, 201511.193.01
April 15, 201510.942.94
March 31, 201511.773.04
March 13, 201510.92.81
February 27, 201510.462.70
February 13, 201510.792.78
January 30, 201510.52.71
January 15, 20159.032.33
December 31, 20148.412.17
December 15, 20147.972.06
November 28, 20146.741.74
November 14, 20146.441.66
October 31, 20146.541.69
October 15, 20145.841.51
September 30, 20145.641.46
September 15, 20145.081.31
August 29, 20145.031.30
August 15, 20144.781.23
July 31, 20145.291.37
July 15, 20144.971.28
June 30, 20144.681.21
June 13, 20144.751.23
May 30, 20144.481.16
May 15, 20144.341.12
April 30, 20143.410.88
April 15, 20143.50.90
March 31, 20144.050.77
March 14, 20143.670.70
February 28, 20142.580.49
February 14, 20142.590.49
January 31, 20142.260.43
January 15, 20142.030.39
December 31, 20131.90.36
December 13, 20131.990.38
November 29, 20131.980.38
November 15, 20131.840.35
October 31, 20131.80.34
October 15, 20132.020.39
September 30, 20131.970.38
September 13, 20132.250.43
August 30, 20132.160.41
August 15, 20132.040.39
July 31, 20131.950.37
July 15, 20132.430.46
June 28, 201320.38
June 14, 20132.550.49
May 31, 20132.480.47
May 15, 20132.770.53
April 30, 20132.590.50
April 15, 20132.460.47
March 28, 20134.080.43
March 15, 20134.190.44
February 28, 20133.770.40
February 15, 20133.70.39
January 31, 20132.940.31
January 15, 20132.820.30
December 31, 20122.940.31
December 14, 20123.510.37
November 30, 20123.970.42
November 15, 20123.520.37
October 31, 20123.640.38
October 15, 20123.670.39
September 28, 20123.720.39
September 14, 20124.310.45
August 31, 20124.580.48
August 15, 20124.740.50
July 31, 20124.110.43
July 13, 20124.470.47
June 29, 20125.050.53
June 15, 20125.020.53
May 31, 20124.920.52
May 15, 20124.510.47
April 30, 20124.390.46
April 13, 20123.780.40
March 30, 20123.220.34
March 15, 20123.760.37
February 29, 20123.920.39
February 15, 20124.020.40
January 31, 20124.570.45
January 13, 20124.510.45
December 30, 20114.810.48
December 15, 20114.570.45
November 30, 20114.930.49
November 15, 20115.10.51
October 31, 20115.070.50
October 14, 20115.570.55
September 30, 20115.820.58
September 15, 20115.650.56
August 31, 20115.290.52
August 15, 20114.80.48
July 29, 20114.540.45
July 15, 20114.80.48
June 30, 20115.880.58
June 15, 20110.350.03
May 31, 20110.340.03
May 13, 20110.310.03
April 29, 20110.250.02
April 15, 20110.290.03
March 31, 20110.210.02
March 15, 20110.170.02
February 28, 20110.210.02
February 15, 20110.210.02
January 31, 20110.250.03
January 14, 20110.240.02
December 31, 20100.230.02
December 15, 20100.30.03
November 30, 20100.340.04
November 15, 20100.320.03
October 29, 20100.450.05
October 15, 20100.380.04
September 30, 20100.30.03
September 15, 20100.320.03
August 31, 20100.310.03
August 13, 20100.320.03
July 30, 20100.310.03
July 15, 20100.380.04
June 30, 20100.410.04
June 15, 20100.740.08
May 28, 20100.80.08
May 14, 20100.810.08
April 30, 20100.830.09
April 15, 20100.80.08
March 31, 20100.550.09
March 15, 20100.540.08
February 26, 20100.490.08
February 12, 20100.540.08
January 29, 20100.560.09
January 15, 20100.540.08
December 31, 20090.240.04
December 15, 20090.160.03
November 30, 20090.150.02
November 13, 20090.120.02
October 30, 20090.110.02
October 15, 20090.170.02
September 30, 20090.180.03
September 15, 20090.110.02
August 31, 20090.090.01
August 14, 20090.180.03
July 31, 20090.180.03
July 15, 20090.460.07
June 30, 20090.680.10
June 15, 20090.690.10
May 29, 20090.480.07
May 15, 20090.550.08
April 30, 20090.290.04
April 15, 20090.290.04
March 31, 20090.30.04
March 13, 20090.370.05
February 27, 20090.380.05
February 13, 20090.370.05
January 30, 20090.410.06
January 15, 20090.420.06
December 31, 20080.40.06
December 15, 20080.420.06
November 28, 20080.370.05
November 14, 20080.470.07
October 31, 20080.430.06
October 15, 20080.410.06
September 30, 20080.420.06
September 15, 20080.40.06
August 29, 20080.390.06
August 15, 20080.450.06
July 31, 20080.430.06
December 11, 20070.160.02
November 27, 20070.090.01
November 9, 20070.190.03
October 26, 20070.080.01
October 10, 20070.390.06
September 25, 20070.050.01
September 11, 20070.630.09
August 10, 20070.770.11
July 10, 20070.940.13
June 12, 20071.350.17
May 10, 20071.230.15
April 10, 20071.270.16
March 12, 20071.040.13
February 12, 20070.760.09
January 9, 20070.720.09
December 12, 20060.670.08
November 10, 20060.370.05
October 10, 20060.30.04
September 12, 20060.350.04
August 10, 20060.370.04
July 11, 20060.250.03
June 12, 20060.290.03
May 10, 20060.190.02
April 10, 20060.110.01
March 10, 20060.170.02
February 10, 20060.160.02
January 10, 20060.240.03
December 12, 20050.090.01
November 10, 20050.010.00
October 11, 20050.040.00
September 12, 20050.480.01
August 10, 20053.850.07

Institutional Ownership History (%)

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

Date Institutional Ownership (%)Institutional Ownership (Shares in Mil)
December 31, 201683.3927.80
September 30, 201678.5326.12
June 30, 201677.1625.61
March 31, 201678.1125.84
December 31, 201580.6626.04
June 30, 201596.1127.44
March 31, 201594.0526.67
December 31, 201491.9625.39
September 30, 20148723.90
June 30, 201484.9123.32
March 31, 201481.2522.27
December 31, 201374.3517.28
September 30, 201375.3115.83
June 30, 201375.7115.89
March 31, 201371.9715.04
December 31, 201264.7810.96
September 30, 201254.49.07
June 30, 201258.29.70
March 31, 201266.8511.02
December 31, 201155.119.02
September 30, 201155.929.09
June 30, 201170.1311.42
March 31, 201150.058.04
December 31, 201048.217.55
September 30, 201045.267.05
June 30, 201028.174.38
March 31, 201028.174.37
December 31, 200922.933.54
September 30, 200927.544.10
June 30, 200928.684.19
March 31, 200937.295.31
December 31, 200840.25.75
September 30, 200845.446.42
June 30, 200844.816.37
March 31, 200845.086.39
December 31, 200743.16.09
September 30, 200734.764.87
June 30, 200727.864.01
March 31, 200723.842.93
December 31, 200621.352.59
September 30, 200617.12.09
June 30, 200620.542.49
March 31, 200626.723.24
December 31, 200535.454.29
September 30, 200533.584.05

Insider ownership (%)

This is the historical insider ownership of AtriCure 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 (%)Insider Ownership (Shares in Mil)
February 28, 20177.092.36
January 31, 20177.112.36
December 31, 20167.142.37
November 30, 20167.152.38
October 31, 20167.252.41
September 30, 20167.242.40
August 31, 20167.232.40
July 31, 20167.262.40
June 30, 20167.242.40
May 31, 20167.212.39
April 30, 20167.42.39
March 31, 20167.42.39
February 29, 20167.412.39
January 31, 20165.861.89
December 31, 20157.42.39
November 30, 20155.731.85
October 31, 20156.481.85
September 30, 20156.491.85
August 31, 20156.491.85
July 31, 20156.491.85
June 30, 20156.491.85
May 31, 20156.471.85
April 30, 20156.521.85
March 31, 20156.691.85
February 28, 20156.681.84
January 31, 20155.621.54
December 31, 20145.121.41
November 30, 20145.671.56
October 31, 20145.671.56
September 30, 20145.671.56
August 31, 20145.671.56
July 31, 20145.671.56
June 30, 20145.691.56
May 31, 20145.671.56
March 31, 20149.561.56
February 28, 20149.561.56
January 31, 20149.551.55
December 31, 20138.651.41
November 30, 20138.611.40
October 31, 20138.661.41
September 30, 20138.661.41
August 31, 20138.661.41
July 31, 20138.661.41
June 30, 20138.661.41
May 31, 20138.631.40
April 30, 20138.641.41
March 31, 20138.641.41
January 31, 20138.541.39
November 30, 20127.971.30
October 31, 20127.971.30
September 30, 20127.531.22
August 31, 201211.651.90
July 31, 20129.341.52
June 30, 20129.341.52
May 31, 20129.341.52
April 30, 20129.551.55
March 31, 20129.061.47
February 29, 20129.061.47
January 31, 20128.81.43
December 31, 20118.81.43
November 30, 20118.791.43
October 31, 20118.791.43
September 30, 20118.691.41
August 31, 20118.691.41
July 31, 20118.691.41
June 30, 20118.91.43
May 31, 20119.391.51
April 30, 20119.461.51
March 31, 20119.461.51
February 28, 20119.141.42
January 31, 20117.871.23
December 31, 20107.871.23
November 30, 20107.851.22
October 31, 20107.981.24
September 30, 20107.991.24
August 31, 20107.991.24
July 31, 20108.061.25
June 30, 20108.161.26
May 31, 20108.171.26
April 30, 20108.211.27
March 31, 20108.211.27
February 28, 20108.291.27
January 31, 20107.751.19
December 31, 20097.751.19
November 30, 20097.751.19
October 31, 20097.781.19
September 30, 200912.411.86
August 31, 200912.411.86
July 31, 200912.411.86
June 30, 200910.941.61
May 31, 200910.961.62
April 30, 20096.951.00
March 31, 20096.951.00
February 28, 20096.690.95
January 31, 20094.760.68
December 31, 20084.760.68
November 30, 20084.440.63
October 31, 20084.270.61
September 30, 20084.270.61
August 31, 20084.270.61
July 31, 20084.280.61
June 30, 20084.280.61
May 31, 20084.150.59
April 30, 200810.191.45
March 31, 200818.132.57
February 29, 200815.442.19
January 31, 200815.862.24
December 31, 200715.872.24
November 30, 200715.872.24
October 31, 200715.872.24
September 30, 200716.012.26
August 31, 200716.012.26
July 31, 200716.362.31
June 30, 200716.362.31
May 31, 200718.772.31
April 30, 200718.862.32
March 31, 200718.682.30
February 28, 200718.692.30
January 31, 200718.872.30
December 31, 200620.092.45
November 30, 200619.342.36
October 31, 200619.342.36
September 30, 200619.422.36
June 30, 200619.342.34
May 31, 200619.342.34
April 30, 200619.342.34
March 31, 200615.411.87
February 28, 200615.451.87
January 31, 200615.451.87
December 31, 200514.351.73
November 30, 200514.351.73
October 31, 200514.351.73
September 30, 200514.361.73
August 31, 200514.361.73
July 31, 200514.541.73

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Michael H. CarrelN/A670,0842.01%2017-03-01
Karen P. RobardsN/A318,3280.95%2016-12-19
Mr. Douglas J. SeithCOO239,4790.72%2017-03-01
Dr. Donald C. Harrison,M.D.N/A198,7410.6%2011-02-23
Mr. M. Andrew WadeN/A161,4210.48%2017-03-01
Mr. David J. DrachmanN/A146,0000.44%2012-09-12
Mr. Justin J. NozneskyN/A135,1790.41%2017-03-01
Norman R. Weldon,PhDN/A122,3680.37%2005-08-04
Julie A. PitonN/A96,5100.29%2012-02-17
Mr. Mark LanningN/A75,0000.22%2016-01-08

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
State Street Corp   Premium Plus555,3342016-12-311.67N/A10,872
Victory Capital Management Inc.   Premium Plus1,328,6782016-12-313.980.0726,002
Emerald Mutual Fund Advisers Trust   Premium Plus510,0432016-09-301.530.418,069
Vanguard Group Inc   Premium Plus1,318,7052016-12-313.96N/A25,807
BlackRock Fund Advisors   Premium Plus1,132,9072016-12-313.40N/A22,171
Cortina Asset Management LLC   Premium Plus622,6832016-12-311.870.5112,186
Fidelity Management and Research Company   Premium Plus4,740,0002016-12-3114.220.0192,762
Consonance Capital Management LP   Premium Plus2,666,3542016-12-318.005.7352,181
Dafna Capital Management LLC   Premium Plus518,9462016-12-311.568.9310,156
First Light Asset Management, LLC   Premium Plus939,0122016-12-312.828.0818,376
Wellington Management Company LLP   Premium Plus3,137,5502016-12-319.410.0261,403
Hudson Executive Capital LP   Premium Plus1,855,0002017-01-175.56N/A36,302
Peregrine Capital Management Inc   Premium Plus902,5202016-12-312.710.4617,662
Fidelity® Select Health Care Portfolio1,550,0002017-01-314.650.4125,219
Fidelity® Select Medical Equip & Systems1,500,0002017-01-314.500.8524,405
RS Small Cap Growth Fund793,5202016-09-302.390.6612,553
Vanguard Total Stock Mkt Idx702,2112017-02-282.11N/A12,815
Fidelity Advisor® Health Care Fund680,0002017-01-312.040.4611,064
iShares Russell 2000 (AU)641,7462017-03-211.950.0311,859
Wells Fargo Small Company Growth Fund576,2752017-01-311.730.489,376

Add Notes, Comments

If you want to ask a question or report a bug, please create a support ticket.

Get WordPress Plugins for easy affiliate links on Stock Tickers and Guru Names | Earn affiliate commissions by embedding GuruFocus Charts
GuruFocus Affiliate Program: Earn up to $400 per referral. ( Learn More)
FEEDBACK