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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
January 30, 201553.79
January 15, 201549.09
December 31, 201444.81
December 15, 201445.88
November 28, 201438.33
November 14, 201436.88
October 31, 201436.5
October 15, 201433.09
September 30, 201430.37
September 15, 201431.88
August 29, 201433.36
August 15, 201435.5
July 31, 201440.18
July 15, 201439.2
June 30, 201438.31
June 13, 201436.58
May 30, 201433.33
May 15, 201430.85
April 30, 201427.11
April 15, 201426.19
March 31, 201426.89
March 14, 201425.81
February 28, 201423.14
February 14, 201412.72
January 31, 20146.95
January 15, 20146.62
December 31, 20135.38
December 13, 20134.92
November 29, 20135.24
November 15, 20134.69
October 31, 20135.05
October 15, 20135.75
September 30, 20135.1
September 13, 20134.51
August 30, 20134.13
August 15, 20133.76
July 31, 20134.51
July 15, 20134.76
June 28, 20134.94
June 14, 20134.98
May 31, 20134.54
May 15, 20136.39
April 30, 20137.04
April 15, 20136.04
March 28, 20135.8
March 15, 20135.18
February 28, 20135.13
February 15, 20134.99
January 31, 20134.78
January 15, 20134.5
December 31, 20124.46
December 14, 20124.79
November 30, 20125.05
November 15, 20124.71
October 31, 20124.54
October 15, 20124.62
September 28, 20124.81
September 14, 20125.39
August 31, 20125.49
August 15, 20127.75
July 31, 20127.54
July 13, 20127.79
June 29, 20128.45
June 15, 20128.23
May 31, 20128.74
May 15, 20127.69
April 30, 20127.15
April 13, 20127.24
March 30, 20126.75
March 15, 20127.51
February 29, 20127.32
February 15, 20127.78
January 31, 20128.23
January 13, 20128.4
December 30, 20118.64
December 15, 20119.7
November 30, 201111.46
November 15, 201111.25
October 31, 201118.2
October 14, 201115.75
September 30, 201115.86
September 15, 201115.84
August 31, 201116.37
August 15, 201119.45
July 29, 201113.44
July 15, 201111.8
June 30, 201111.4
June 15, 201111.66
May 31, 201111.54
May 13, 201111.4
April 29, 201113.45
April 15, 201114.55
March 31, 201112.81
March 15, 201113.06
February 28, 201113.64
February 15, 201114.33
January 31, 201114.18
January 14, 201113.8
December 31, 201010.94
December 15, 201011.97
November 30, 201011.79
November 15, 201012.94
October 29, 201014.51
October 15, 201016.87
September 30, 201018.31
September 15, 201027.11
August 31, 201029.36
August 13, 201029.21
July 30, 201037.01
July 15, 201041.71
June 30, 201040.84
June 15, 201039.56
May 28, 201040.47
May 14, 201045.02
April 30, 201047.58
April 15, 201046.76
March 31, 201045.41
March 15, 201034.48
February 26, 201035.15
February 12, 201043.62
January 29, 201033.06
January 15, 201032.12
December 31, 200935.31
December 15, 200928.45
November 30, 200925.63
November 13, 200930.51
October 30, 200927.81
October 15, 200928.04
September 30, 200929.32
September 15, 200927.53
August 31, 200928.06
August 14, 200927.61
July 31, 200924.67
July 15, 200926
June 30, 200925.61
June 15, 200920.55
May 29, 200921.73
May 15, 200921.47
April 30, 200925.78
April 15, 200933.05
March 31, 200936.05
March 13, 200932.52
February 27, 200931.52
February 13, 200928.7
January 30, 200931.75
January 15, 200928.54
December 31, 200831.07
December 15, 200824.89
November 28, 200824.3
November 14, 200823.65
October 31, 200823.97
October 15, 200826.41
September 30, 200828.08
September 15, 200830.77
August 29, 200832.64
August 15, 200834.61
July 31, 200835.29
December 11, 200716.5
November 27, 200714.85
November 9, 200715.42
October 26, 200714.22
October 10, 200712.49
September 25, 200713.35
September 11, 200714.42
August 10, 200713.23
July 10, 200718.66
June 12, 200719.38
May 10, 200720.36
April 10, 200716.52
March 12, 200715.64
February 12, 200714.57
January 9, 200717.5
December 12, 200615.87
November 10, 200614.88
October 10, 200615.71
September 12, 200615.94
August 10, 200612.09
July 11, 200612.57
June 12, 200612.76
May 10, 20069.52
April 10, 200610.23
March 10, 20065.85
February 10, 20063.71
January 10, 20061.64
December 12, 20051.02
November 10, 20050.47
October 11, 20050.95
September 12, 20051.41
August 10, 20052.95
July 12, 20053.55
June 10, 20053.94
May 10, 20055.27
April 12, 20055.9
March 10, 20056.48
February 10, 20054.97
January 11, 20054.58
December 10, 20045.03
November 10, 20045.17
October 12, 20045.88
September 10, 20046.63
August 10, 20045.88
July 12, 20045.88
June 9, 20044.01
May 11, 20044.21
April 12, 20044.02
March 10, 20043.7
February 10, 20045.98
January 12, 20046.27
December 10, 20036.42
November 11, 20036.37
October 10, 20036.96
September 10, 20036.39
August 12, 20035.62
July 10, 20034.95
June 10, 20030.16
May 12, 20030.14
April 10, 20030.14
March 11, 20030.14
February 11, 20030.14
January 10, 20030.14
December 10, 20020.14
November 12, 20020.15
October 10, 20020.15
September 10, 20020.15
August 12, 20020.15
July 10, 20020.15
June 11, 20020.15
May 10, 20020.15
April 10, 20020.15
March 12, 20020.17
February 12, 20020.15
January 10, 20020.15
December 11, 20010.16
November 12, 20010.15
October 10, 20010.18
September 5, 20010.15
August 10, 20010.15
July 10, 20011.18
June 12, 20010.16
May 10, 20010.17
April 9, 20010.15
March 12, 20010.15
February 12, 20011.22
January 9, 20011.27
December 12, 20001.24
November 10, 20001.23
October 10, 20001.23
September 12, 20001.23
August 10, 20001.21
July 11, 20001.22
June 12, 20001.18
May 10, 20001.17
April 11, 20001.29
March 10, 20001.31
February 10, 20001.14
January 11, 20000.23
December 10, 19990.4
November 10, 19991.26
October 12, 19991.27
September 10, 19991.29
August 10, 19991.31
July 12, 19991.3
June 10, 19991.54
May 11, 19991.29
April 12, 19991.32
March 10, 19991.39
February 9, 19991.43
January 8, 19991.33
December 8, 19981.32
November 6, 19981.96
October 8, 19981
September 8, 19980.94
August 7, 19980.93
July 8, 19980.8
June 8, 19980.74
May 8, 19980.71
April 7, 19980.57
March 6, 19980.63
February 6, 19980.62
January 8, 19980.36
December 8, 19970.32
November 7, 19970.81
October 8, 19970.8
September 8, 19970.8
August 8, 19970.8
July 8, 19970.67
June 6, 19970.67
May 8, 19970.67
April 8, 19970.67
March 7, 19970.67
February 7, 19970.67
January 8, 19970.67
December 6, 19960.63
November 8, 19960.57
October 8, 19960.43
September 6, 19960.44
August 8, 19960.33
July 8, 19960.35
June 7, 19960.46
May 8, 19960.31
April 8, 19960.31
March 8, 19960.34
February 8, 19960.34
January 8, 19960.34
December 8, 19950.33
November 8, 19950.35
October 6, 19950.36
September 8, 19950.34
August 8, 19950.31
July 7, 19950.32
June 8, 19950.18
May 8, 19950.04
April 6, 19950.02
March 8, 19950.05
February 8, 19950.06
January 6, 19950.07

Institutional Ownership History (%)

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

Date Institutional Ownership
January 31, 201496
November 30, 201393
October 31, 201393
September 30, 201395
August 31, 201395
July 31, 201395
June 30, 201396
May 31, 201391
April 30, 201391
March 31, 201330
December 31, 201293
November 30, 201294
October 31, 201291
September 30, 201295
August 31, 201295
July 31, 201295
June 30, 201296
May 31, 201293
April 30, 201293
December 31, 2011100
November 30, 2011100
October 31, 2011100

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
January 31, 20154
December 31, 20143
November 30, 20144
October 31, 20144
September 30, 20144
August 31, 20144
July 31, 20144
June 30, 20144
May 31, 20144
March 31, 20144
February 28, 20144
January 31, 20143
December 31, 20133
November 30, 20133
October 31, 20133
September 30, 20133
August 31, 20133
July 31, 20133
June 30, 20133
May 31, 20133
April 30, 20132
March 31, 20132
January 31, 20132
November 30, 20122
October 31, 20122
September 30, 20122
August 31, 20122
July 31, 20122
June 30, 20122
May 31, 20122
April 30, 20121
March 31, 20121
February 29, 20121
January 31, 20121
December 31, 20111
November 30, 20111
October 31, 20111
September 30, 20111
August 31, 20111
July 31, 20111
June 30, 20111
May 31, 20111
April 30, 20111
March 31, 20111
February 28, 20111
January 31, 20111
December 31, 20101
November 30, 20101
October 31, 20101
September 30, 20101
August 31, 20101
July 31, 20101
June 30, 20101
May 31, 20101
April 30, 20101
March 31, 20101
February 28, 20102
January 31, 20103
December 31, 20093
November 30, 20093
October 31, 20093
September 30, 20093
August 31, 20093
July 31, 20093
June 30, 20093
May 31, 20093
April 30, 20093
March 31, 20093
February 28, 20093
January 31, 20093
December 31, 20083
November 30, 20083
October 31, 20083
September 30, 20083
August 31, 20083
July 31, 20083
June 30, 20083
May 31, 20083
April 30, 20081
March 31, 20081
February 29, 20081
January 31, 20081
December 31, 20071
November 30, 20071
October 31, 20071
September 30, 20071
August 31, 20073
July 31, 20073
June 30, 20073
May 31, 20076
April 30, 20076
March 31, 20077
February 28, 20077
January 31, 20078
December 31, 20068
November 30, 20069
October 31, 200610
September 30, 200610
June 30, 200614
May 31, 200614
April 30, 200615
March 31, 200615
February 28, 200615
January 31, 200617
December 31, 200517
November 30, 200519
October 31, 200519
September 30, 200519
August 31, 200519
July 31, 200519
June 30, 200519
May 31, 200519
April 30, 200524
March 31, 200524
February 28, 200524
January 31, 200524
December 31, 200424
November 30, 200421
October 31, 200419
September 30, 200425
August 31, 200425
July 31, 200425
June 30, 200423
May 31, 200423
April 30, 200423
March 31, 200423
February 29, 200423

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
William K. HeidenN/A199,4480.78%2014-12-17
Mr. Frank E. ThomasEVP, COO121,0880.47%2014-12-17
Jerome GoldsteinN/A67,9650.27%2007-03-26
Sheldon L. BlochDirector67,7780.26%2006-11-27
Steven CaffeN/A59,4000.23%2014-08-19
Scott B. TownsendN/A52,6820.21%2014-12-17
Scott A HolmesChief Accounting Officer48,8370.19%2014-12-17
Mr. Edward P. JordanSVP, Sales and Marketing35,5000.14%2014-08-19
Christopher G. WhiteChief Business Officer28,4000.11%2014-02-27
Mr. Kenneth H. WilsonSVP, Sales and Marketing25,3880.1%2014-12-02

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Adage Capital Partners Gp Llc2,706,5922015-01-0710.570.00115,354,951
Palo Alto Investors, LLC1,994,2002014-12-317.794.9984,993,000
Fidelity Management and Research Company1,298,7442015-02-135.070.0057,391,497
Westfield Capital Management Company, LP1,236,6902014-12-314.830.3152,708,000
Putnam Investment Management,LLC1,098,7622014-12-314.290.1046,829,000
BlackRock Fund Advisors1,021,8822014-12-313.990.0143,553,000
Camber Capital Management LLC1,000,0002014-12-313.912.8542,620,000
Fidelity® Select Biotechnology Portfolio950,9092014-12-313.710.3740,527,742
BMO Asset Management Inc.931,4512014-12-313.640.0539,698,000
Greywolf Capital Management LP863,1052014-12-313.296.3635,907,000

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