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AMAG Pharmaceuticals Inc (AMAG) Ownership Data

Short Interest History (%)

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

Date Short Interest (%)Short Interest (Shares in Mil)
August 31, 201735.749.12
August 15, 201734.058.69
July 31, 201740.3610.30
July 14, 201737.779.63
June 30, 201737.099.46
June 15, 201735.198.98
May 31, 201732.098.18
May 15, 201732.988.41
April 28, 201730.287.72
April 13, 201729.97.63
March 31, 201728.467.26
March 15, 201729.946.46
February 28, 201731.286.75
February 15, 201730.356.55
January 31, 201734.017.34
January 13, 201728.276.10
December 30, 201628.46.13
December 15, 201629.316.32
November 30, 201629.536.37
November 15, 201628.876.23
October 31, 201628.26.08
October 14, 201629.16.28
September 30, 201628.056.05
September 15, 201630.246.52
August 31, 201628.826.22
August 15, 201634.547.45
July 29, 201633.317.19
July 15, 201635.577.67
June 30, 201635.427.64
June 15, 201633.257.17
May 31, 201634.37.40
May 13, 201638.248.25
April 29, 201638.278.26
April 15, 201635.867.74
March 31, 201635.997.77
March 15, 201634.378.89
February 29, 201630.137.79
February 12, 201629.177.54
January 29, 201629.017.50
January 15, 201630.387.85
December 31, 201526.446.84
December 15, 201522.515.82
November 30, 201522.465.81
November 13, 201524.126.24
October 30, 201525.816.67
October 15, 201529.337.58
September 30, 201529.247.56
September 15, 201524.436.32
August 31, 201520.865.39
August 14, 201519.615.07
July 31, 201519.194.96
July 15, 201520.065.19
June 30, 201520.45.27
June 15, 201523.226.00
May 29, 201522.275.76
May 15, 201526.916.96
April 30, 201528.287.31
April 15, 201529.657.67
March 31, 201529.517.63
March 13, 201551.417.99
February 27, 201553.948.38
February 13, 201556.318.75
January 30, 201553.798.36
January 15, 201549.097.63
December 31, 201444.816.96
December 15, 201445.887.13
November 28, 201438.335.96
November 14, 201436.885.73
October 31, 201436.55.67
October 15, 201433.095.14
September 30, 201430.374.72
September 15, 201431.884.95
August 29, 201433.365.18
August 15, 201435.55.52
July 31, 201440.186.24
July 15, 201439.26.09
June 30, 201438.315.95
June 13, 201436.585.68
May 30, 201433.335.18
May 15, 201430.854.79
April 30, 201427.114.21
April 15, 201426.194.07
March 31, 201426.894.18
March 14, 201425.813.23
February 28, 201423.142.90
February 14, 201412.721.59
January 31, 20146.950.87
January 15, 20146.620.83
December 31, 20135.380.67
December 13, 20134.920.62
November 29, 20135.240.66
November 15, 20134.690.59
October 31, 20135.050.63
October 15, 20135.750.72
September 30, 20135.10.64
September 13, 20134.510.56
August 30, 20134.130.52
August 15, 20133.760.47
July 31, 20134.510.57
July 15, 20134.760.60
June 28, 20134.940.62
June 14, 20134.980.62
May 31, 20134.540.57
May 15, 20136.390.80
April 30, 20137.040.88
April 15, 20136.040.76
March 28, 20135.80.73
March 15, 20135.180.75
February 28, 20135.130.74
February 15, 20134.990.72
January 31, 20134.780.69
January 15, 20134.50.65
December 31, 20124.460.65
December 14, 20124.790.69
November 30, 20125.050.73
November 15, 20124.710.68
October 31, 20124.540.66
October 15, 20124.620.67
September 28, 20124.810.70
September 14, 20125.390.78
August 31, 20125.490.79
August 15, 20127.751.12
July 31, 20127.541.09
July 13, 20127.791.13
June 29, 20128.451.22
June 15, 20128.231.19
May 31, 20128.741.26
May 15, 20127.691.11
April 30, 20127.151.03
April 13, 20127.241.05
March 30, 20126.750.98
March 15, 20127.511.07
February 29, 20127.321.04
February 15, 20127.781.11
January 31, 20128.231.17
January 13, 20128.41.20
December 30, 20118.641.23
December 15, 20119.71.38
November 30, 201111.461.63
November 15, 201111.251.60
October 31, 201118.22.59
October 14, 201115.752.24
September 30, 201115.862.26
September 15, 201115.842.25
August 31, 201116.372.33
August 15, 201119.452.77
July 29, 201113.441.91
July 15, 201111.81.68
June 30, 201111.41.62
June 15, 201111.661.66
May 31, 201111.541.64
May 13, 201111.41.62
April 29, 201113.451.91
April 15, 201114.552.07
March 31, 201112.811.82
March 15, 201113.062.05
February 28, 201113.642.14
February 15, 201114.332.25
January 31, 201114.182.22
January 14, 201113.82.16
December 31, 201010.941.72
December 15, 201011.971.88
November 30, 201011.791.85
November 15, 201012.942.03
October 29, 201014.512.28
October 15, 201016.872.65
September 30, 201018.312.87
September 15, 201027.114.25
August 31, 201029.364.60
August 13, 201029.214.58
July 30, 201037.015.81
July 15, 201041.716.54
June 30, 201040.846.41
June 15, 201039.566.20
May 28, 201040.476.35
May 14, 201045.027.06
April 30, 201047.587.46
April 15, 201046.767.33
March 31, 201045.417.12

Institutional Ownership History (%)

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

Date Institutional Ownership (%)Institutional Ownership (Shares in Mil)
June 30, 201766.1223.31
March 31, 20141.40.31
December 31, 20131.520.34
September 30, 20131.80.39
June 30, 20131.310.28
March 31, 20130.580.12
December 31, 20120.940.20
September 30, 20120.390.08
June 30, 20121.050.23
March 31, 20120.710.15
December 31, 20110.570.12
September 30, 20110.450.09
June 30, 20110.810.17
March 31, 20110.680.14
December 31, 20100.670.14
September 30, 201010.482.15
June 30, 20104.720.99
March 31, 20104.050.85
December 31, 20094.80.83
June 30, 200715.482.61
March 31, 20072.10.30
December 31, 20060.180.02
September 30, 20060.180.02

Insider ownership (%)

This is the historical insider ownership of AMAG Pharmaceuticals 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)
June 30, 20173.761.32
May 31, 20173.671.28
April 30, 20173.761.31
March 31, 20173.821.31
February 28, 20173.331.14
January 31, 20173.331.14
December 31, 20163.321.14
November 30, 20163.321.14
October 31, 20163.341.14
September 30, 20163.341.14
August 31, 20163.351.14
July 31, 20163.311.14
June 30, 20163.311.14
May 31, 20163.251.12
April 30, 20163.181.10
March 31, 20163.181.10
February 29, 20163.181.10
January 31, 20163.061.06
December 31, 20153.181.10
November 30, 20152.971.03
October 31, 20152.971.03
September 30, 20153.321.03
August 31, 20153.331.03
July 31, 20153.231.00
June 30, 20153.241.00
May 31, 20153.180.98
April 30, 20153.331.02
March 31, 20153.971.02
February 28, 20153.971.02
January 31, 20154.370.96
December 31, 20143.250.72
November 30, 20144.460.98
October 31, 20144.370.96
September 30, 20144.370.96
August 31, 20144.370.96
July 31, 20143.570.78
June 30, 20143.580.78
May 31, 20143.510.77
March 31, 20143.570.76
February 28, 20143.570.76
January 31, 20143.390.72
December 31, 20133.390.72
November 30, 20133.050.65
October 31, 20133.050.65
September 30, 20133.050.65
August 31, 20133.050.65
July 31, 20133.040.64
June 30, 20133.040.64
May 31, 20132.870.61
April 30, 20132.170.46
March 31, 20132.170.46
January 31, 20131.630.35
November 30, 20121.580.34
October 31, 20121.550.33
September 30, 20121.550.33
August 31, 20121.550.33
July 31, 20121.550.33
June 30, 20121.540.33
May 31, 20121.540.33
April 30, 20121.380.29
March 31, 20121.380.29
February 29, 20121.380.29
January 31, 20121.380.29
December 31, 20111.380.29
November 30, 20111.40.30
October 31, 20111.40.30
September 30, 20111.40.30
August 31, 20111.40.30
July 31, 20111.380.29
June 30, 20111.370.29
May 31, 20111.370.29
April 30, 20111.350.28
March 31, 20111.350.28
February 28, 20111.350.28
January 31, 20111.360.29
December 31, 20101.360.29
November 30, 20101.360.29
October 31, 20101.370.29
September 30, 20101.370.29
August 31, 20101.370.29
July 31, 20101.430.30
June 30, 20101.410.30
May 31, 20101.410.30
April 30, 20101.40.29
March 31, 20101.370.29
February 28, 20102.130.45
January 31, 20102.560.44
December 31, 20092.560.44
November 30, 20092.550.44
October 31, 20092.770.47
September 30, 20092.770.47
August 31, 20092.770.47
July 31, 20092.790.48
June 30, 20092.790.48
May 31, 20092.770.47
April 30, 20092.770.47
March 31, 20092.770.47
February 28, 20092.770.47
January 31, 20092.770.47
December 31, 20082.770.47
November 30, 20082.770.47
October 31, 20082.770.47
September 30, 20082.770.47
August 31, 20082.770.47
July 31, 20082.770.47
June 30, 20082.780.47
May 31, 20082.760.47
April 30, 20080.930.16
March 31, 20081.180.20
February 29, 20081.160.20
January 31, 20081.220.21
December 31, 20071.240.21
November 30, 20071.340.23
October 31, 20071.340.23
September 30, 20071.280.21
August 31, 20073.180.54
July 31, 20073.180.54
June 30, 20073.20.54
May 31, 20075.550.93
April 30, 20075.570.93
March 31, 20076.590.93
February 28, 20077.271.03
January 31, 20077.681.08
December 31, 20067.681.08
November 30, 20069.391.32
October 31, 200610.31.23
September 30, 200610.251.22
June 30, 200613.831.62
May 31, 200613.811.61
April 30, 200615.031.70
March 31, 200614.991.69
February 28, 200614.991.69
January 31, 200616.91.69
December 31, 200517.131.70
November 30, 200518.821.86
October 31, 200519.281.90
September 30, 200519.421.92
August 31, 200519.361.91
July 31, 200519.361.91
June 30, 200519.391.91
May 31, 200519.391.91
April 30, 200523.731.91
March 31, 200523.591.89
February 28, 200523.591.89
January 31, 200523.591.89
December 31, 200423.71.89
November 30, 2004211.76
October 31, 200419.261.52
September 30, 200424.881.96
August 31, 200424.711.95
July 31, 200424.711.95
June 30, 200423.211.81
May 31, 200423.231.81
April 30, 200423.231.81
March 31, 200423.161.80
February 29, 200423.161.80

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
William K. HeidenN/A291,6460.83%2017-02-23
Mr. Frank E. ThomasN/A138,1950.39%2017-02-23
Rachel KonfortyN/A97,8400.28%2005-09-30
Jerome GoldsteinN/A67,9650.19%2007-03-26
Sheldon L. BlochN/A67,7780.19%2006-11-27
Steven CaffeN/A59,4000.17%2014-08-19
Scott B. TownsendN/A56,8510.16%2015-03-03
Mr. Nicholas GrundN/A52,0000.15%2017-02-23
Scott A HolmesN/A51,9580.15%2015-06-15
Mr. Edward P. JordanN/A39,2130.11%2015-03-03

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
Glenmede Trust Co NA   Premium Plus1,053,3232016-09-303.080.1525,815
State Street Corp   Premium Plus1,439,6932016-12-314.19N/A50,098
Janus Capital Management LLC   Premium Plus3,266,2132016-12-319.51N/A113,664
D. E. Shaw & Co LP   Premium Plus1,063,0442016-12-313.100.0636,994
Palo Alto Investors, LLC   Premium Plus3,344,6202016-12-319.746.64116,393
Falcon Point Capital, LLC   Premium Plus801,9442016-12-312.343.7427,908
LSV Asset Management   Premium Plus1,257,8602016-12-313.660.0843,773
Numeric Investors LLC   Premium Plus868,2322016-12-312.530.3230,214
Vanguard Group Inc   Premium Plus2,908,5162016-12-318.470.01101,216
BlackRock Fund Advisors   Premium Plus3,164,3952016-09-309.250.0277,559
Morgan Stanley Smith Barney LLC   Premium Plus765,6842016-09-302.240.0118,767
Fidelity Management and Research Company   Premium Plus3,421,3542016-09-3010.000.0183,857
Consonance Capital Management LP   Premium Plus1,026,9022016-12-312.993.9235,736
Shaw D E & Co LP Premium1,063,0442016-12-313.10N/A36,994
Janus Triton Fund1,418,4352016-12-314.130.6749,362
iShares Core S&P Small-Cap (AU)1,404,1172017-02-284.090.1131,522
Fidelity® Select Biotechnology Portfolio1,336,0772016-12-313.890.5446,495
Janus Global Life Sciences Fund833,0812016-12-312.430.9128,991
Fidelity VIP Mid Cap Portfolio785,1002016-12-312.290.3327,321
Vanguard Small Cap Index778,9712017-01-312.270.0318,773

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