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AEterna Zentaris Inc (AEZS) Ownership Data

Short Interest History (%)

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

Date Short Interest (%)Short Interest (Shares in Mil)
October 31, 20178.571.10
October 13, 20177.931.02
September 29, 201781.03
September 15, 20177.720.99
August 31, 20178.271.06
August 15, 201710.51.35
July 31, 201714.931.92
July 14, 20176.730.87
June 30, 20176.220.80
June 15, 20177.530.97
May 31, 20177.931.02
May 15, 20176.760.87
April 28, 20177.20.93
April 13, 20177.690.99
March 31, 20177.510.97
March 15, 20177.620.98
February 28, 20178.21.05
February 15, 20177.320.94
January 31, 20177.20.93
January 13, 20175.910.76
December 30, 20166.250.62
December 15, 20165.940.59
November 30, 20166.090.60
November 15, 20166.240.62
October 31, 20168.090.80
October 14, 20166.380.63
September 30, 20166.940.69
September 15, 20167.210.71
August 31, 20167.020.69
August 15, 20167.770.77
July 29, 20168.520.84
July 15, 201610.111.00
June 30, 20168.760.87
June 15, 20168.540.84
May 31, 20168.670.86
May 13, 20169.890.98
April 29, 20166.810.67
April 15, 20168.970.89
March 31, 201610.151.00
March 15, 201611.041.09
February 29, 201612.221.21
February 12, 201613.51.34
January 29, 201613.341.32
January 15, 201614.511.44
December 31, 201510.741.06
December 15, 201589.920.58
November 30, 201553.340.35
November 13, 20152.060.01
October 30, 20159.050.06
October 15, 20153.230.02
September 30, 20154.260.03
September 15, 20159.590.06
August 31, 20156.640.04
August 14, 20156.690.04
July 31, 20154.290.03
July 15, 20152.980.02
June 30, 20153.430.02
June 15, 20154.470.03
May 29, 20154.260.03
May 15, 20151.560.01
April 30, 20151.330.01
April 15, 20151.830.01
March 31, 20152.310.01
March 13, 20151.250.01
February 27, 20150.790.01
February 13, 20150.650.00
January 30, 20150.630.00
January 15, 20150.650.00
December 31, 20140.740.00
December 15, 20141.970.01
November 28, 20142.610.01
November 14, 20142.360.01
October 31, 20146.650.03
October 15, 20147.220.03
September 30, 20148.350.04
September 15, 20148.270.04
August 29, 20148.270.04
August 15, 20149.180.04
July 31, 20149.620.04
July 15, 20149.360.04
June 30, 20148.810.04
June 13, 20148.770.04
May 30, 20148.310.04
May 15, 20147.40.03
April 30, 20146.90.03
April 15, 20147.290.03
March 31, 20148.010.04
March 14, 20146.140.03
February 28, 20146.690.03
February 14, 20146.620.03
January 31, 20146.960.03
January 15, 20144.810.02
December 31, 20134.650.02
December 13, 20138.520.02
November 29, 20134.730.01
November 15, 20134.440.01
October 31, 20134.450.01
October 15, 20135.060.01
September 30, 20135.160.01
September 13, 20135.010.01
August 30, 20135.040.01
August 15, 20134.590.01
July 31, 20134.750.01
July 15, 20134.790.01
June 28, 20134.780.01
June 14, 20134.850.01
May 31, 20134.910.01
May 15, 20134.650.01
April 30, 20134.740.01
April 15, 20134.040.01
March 28, 20134.320.01
March 15, 20135.560.01
February 28, 20135.430.01
February 15, 20135.40.01
January 31, 20133.790.01
January 15, 20133.170.01
December 31, 20122.170.00
December 14, 20122.30.00
November 30, 20121.970.00
November 15, 20122.050.00
October 31, 20122.030.00
October 15, 20124.130.01
September 28, 20121.980.00
September 14, 20121.910.00
August 31, 20121.930.00
August 15, 20121.830.00
July 31, 20121.90.00
July 13, 20121.860.00
June 29, 20122.070.00
June 15, 20122.10.00
May 31, 20122.110.00
May 15, 20122.280.00
April 30, 20122.650.00
April 13, 20123.380.01
March 30, 20125.290.01
March 15, 20126.020.01
February 29, 20125.320.01
February 15, 20125.270.01
January 31, 20125.290.01
January 13, 20125.430.01
December 30, 20115.420.01
December 15, 20115.490.01
November 30, 20115.560.01
November 15, 20115.440.01
October 31, 20115.190.01
October 14, 20115.320.01
September 30, 20115.840.01
September 15, 20116.140.01
August 31, 20116.090.01
August 15, 20116.120.01
July 29, 20116.480.01
July 15, 20116.510.01
June 30, 20117.20.01
June 15, 20117.070.01
May 31, 20116.630.01
May 13, 20116.310.01
April 29, 20116.260.01
April 15, 20117.020.01
March 31, 20117.240.01
March 15, 201113.110.01
February 28, 201112.750.01
February 15, 201112.630.01
January 31, 201111.620.01
January 14, 201110.630.01
December 31, 201010.680.01
December 15, 20109.770.01
November 30, 20108.080.01
November 15, 20108.030.01
October 29, 20108.090.01
October 15, 20107.920.01
September 30, 20107.70.01
September 15, 20107.220.01
August 31, 20107.540.01
August 13, 20108.290.01
July 30, 20108.570.01
July 15, 20109.10.01
June 30, 20109.410.01
June 15, 201010.10.01
May 28, 201010.110.01
May 14, 20108.150.01
April 30, 20103.410.00
April 15, 20100.630.00
March 31, 20100.340.00

Institutional Ownership History (%)

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

Date Institutional Ownership (%)Institutional Ownership (Shares in Mil)
September 30, 20172.880.47
June 30, 20173.310.47
March 31, 20173.170.44
December 31, 20167.160.93
September 30, 20166.690.67
June 30, 20168.830.88
March 31, 201611.41.13
December 31, 201512.181.21
December 31, 20140.160.10

Insider ownership (%)

This is the historical insider ownership of AEterna Zentaris 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.

No ownership data available.

Top Fund Holders

HolderSharesReport Date% of Total
Assets Managed
% of Shares
Outstanding
Market Value($1000)
Jim Simons Premium33,0782017-09-300.00%N/A67
DEUTSCHE BANK AG\   Premium Plus31,5292017-09-300.00%N/A64
TWO SIGMA SECURITIES, LLC   Premium Plus26,6152017-09-300.01%N/A54
Nine Chapters Capital Management LLC   Premium Plus18,5002017-09-300.08%N/A38
Citadel Advisors LLC   Premium Plus18,1002017-09-300.00%N/A37
SIMPLEX TRADING, LLC   Premium Plus15,5212017-09-300.00%N/A31
GROUP ONE TRADING, L.P.   Premium Plus14,6702017-09-300.00%N/A30
SPRINGBOK CAPITAL MANAGEMENT, LLC   Premium Plus10,7002017-09-300.00%N/A22
Cutler Group LP   Premium Plus2,3002017-09-300.00%N/A0
Cutler Group LP   Premium Plus2,2002017-09-300.00%N/A4
Cutler Group LP   Premium Plus1,4002017-09-300.00%N/A2
JNBA Financial Advisors   Premium Plus912017-09-300.00%N/A0

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