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Alkermes PLC (ALKS) Ownership Data

Short Interest History (%)

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

Date Short Interest (%)Short Interest (Shares in Mil)
September 29, 20178.817.09
September 15, 20179.467.61
August 31, 20179.777.86
August 15, 201710.278.26
July 31, 20179.147.35
July 14, 20179.057.28
June 30, 20179.97.96
June 15, 20179.958.00
May 31, 201710.118.13
May 15, 20178.847.11
April 28, 20179.057.27
April 13, 20179.187.38
March 31, 20178.887.15
March 15, 20177.837.09
February 28, 20177.476.77
February 15, 20177.336.64
January 31, 20177.366.67
January 13, 20176.966.30
December 30, 20166.215.63
December 15, 20166.355.75
November 30, 20166.35.71
November 15, 20166.966.31
October 31, 20166.115.54
October 14, 20164.784.33
September 30, 20164.714.27
September 15, 20165.735.19
August 31, 20165.384.87
August 15, 20164.844.38
July 29, 20164.914.45
July 15, 20165.875.32
June 30, 20165.785.24
June 15, 20166.636.01
May 31, 20167.256.57
May 13, 20167.386.69
April 29, 20166.986.32
April 15, 20167.136.46
March 31, 20167.126.45
March 15, 20166.715.95
February 29, 20165.875.21
February 12, 20165.024.46
January 29, 20164.453.95
January 15, 20165.34.70
December 31, 20153.973.52
December 15, 20154.433.93
November 30, 20155.264.66
November 13, 20156.135.44
October 30, 20157.416.57
October 15, 20158.817.81
September 30, 20158.67.62
September 15, 20159.118.08
August 31, 20158.977.96
August 14, 20159.718.61
July 31, 201510.028.88
July 15, 20159.78.60
June 30, 20158.947.93
June 15, 20158.877.87
May 29, 20158.527.55
May 15, 20158.437.48
April 30, 20158.267.32
April 15, 20156.916.12
March 31, 20156.495.76
March 13, 20156.365.55
February 27, 20156.35.50
February 13, 20155.845.09
January 30, 20155.815.06
January 15, 20156.325.51
December 31, 20144.834.21
December 15, 20145.244.57
November 28, 20145.855.10
November 14, 20145.514.80
October 31, 20145.74.97
October 15, 20144.844.22
September 30, 20145.374.69
September 15, 20145.294.61
August 29, 20145.264.58
August 15, 20145.734.99
July 31, 20145.825.07
July 15, 20145.534.82
June 30, 20145.534.82
June 13, 20145.144.48
May 30, 20144.914.28
May 15, 20145.044.39
April 30, 20144.614.02
April 15, 20144.934.30
March 31, 20143.693.22
March 14, 20143.592.89
February 28, 20143.913.14
February 14, 20144.653.73
January 31, 20143.963.18
January 15, 20143.412.74
December 31, 20133.22.57
December 13, 20133.442.76
November 29, 20133.662.94
November 15, 20133.462.78
October 31, 201332.41
October 15, 20132.692.16
September 30, 20133.042.44
September 13, 20133.242.60
August 30, 20133.252.61
August 15, 20133.342.68
July 31, 20133.412.74
July 15, 20133.362.70
June 28, 20137.045.65
June 14, 20136.465.19
May 31, 201364.82
May 15, 201364.82
April 30, 20136.485.20
April 15, 20136.635.32
March 28, 20136.595.29
March 15, 20136.995.61
February 28, 20136.485.20
February 15, 20136.625.31
January 31, 20136.835.48
January 15, 20136.645.33
December 31, 20126.625.32
December 14, 20127.556.06
November 30, 20127.946.38
November 15, 20127.846.30
October 31, 20127.516.03
October 15, 20128.16.51
September 28, 20128.466.80
September 14, 20128.837.09
August 31, 20128.727.00
August 15, 20128.937.17
July 31, 20129.637.73
July 13, 20129.557.67
June 29, 201210.358.31
June 15, 20129.637.74
May 31, 20129.177.58
May 15, 20128.376.92
April 30, 20128.416.95
April 13, 20128.46.94
March 30, 20127.085.85
March 15, 20127.356.08
February 29, 20127.876.51
February 15, 20127.896.52
January 31, 20127.526.21
January 13, 20127.276.01
December 30, 20117.386.10
December 15, 20117.15.87
November 30, 20117.486.18
November 15, 20117.225.97
October 31, 20117.985.69
October 14, 20118.285.91
September 30, 20118.315.93
September 15, 20118.596.13
August 31, 20118.215.86
August 15, 20117.75.49
July 29, 20117.915.64
July 15, 20118.15.78
June 30, 20119.765.37
June 15, 201110.235.63
May 31, 201111.526.34
May 13, 20119.555.25
April 29, 201110.225.62
April 15, 20119.735.35
March 31, 20119.965.48
March 15, 201110.535.80
February 28, 20118.984.94
February 15, 20118.744.81
January 31, 20119.525.24
January 14, 20119.135.02
December 31, 20108.954.92
December 15, 20108.584.72
November 30, 20109.525.24
November 15, 201010.545.80
October 29, 201010.25.61
October 15, 201010.525.79
September 30, 201011.776.48
September 15, 201011.366.25
August 31, 201011.656.41
August 13, 201010.885.99
July 30, 201011.266.20
July 15, 201014.576.11
June 30, 201013.675.73
June 15, 201013.655.72
May 28, 201013.545.68
May 14, 201013.245.55
April 30, 201014.536.09
April 15, 201014.716.17
March 31, 2010145.87
March 15, 201013.425.63
February 26, 201014.356.01
February 12, 201015.896.66
January 29, 201016.016.71
January 15, 201018.117.59
December 31, 200917.577.36
December 15, 200916.887.07
November 30, 200915.986.70
November 13, 200915.596.54
October 30, 200915.476.48
October 15, 200914.656.14
September 30, 200915.286.40
September 15, 200915.336.43
August 31, 200915.046.31
August 14, 200915.166.35
July 31, 200917.157.19

Institutional Ownership History (%)

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

Date Institutional Ownership (%)Institutional Ownership (Shares in Mil)
June 30, 201799.95153.58
March 31, 201795.56146.31
December 31, 2016100152.43
September 30, 201697.05147.30
June 30, 201697.39147.55
March 31, 201697.14146.80
December 31, 201599.08149.33
March 31, 201599.3147.40
December 31, 201499.71147.12
September 30, 201498.78144.25
March 31, 201496.09138.89
December 31, 201396.53132.99
September 30, 201394.94129.72
June 30, 201396.15130.04
March 31, 201396.95129.61
December 31, 201292.63122.65
September 30, 201293.94123.64
June 30, 201293.52122.26
March 31, 201296.04125.03
December 31, 201171.2392.43
September 30, 201167.7989.67
June 30, 20110.050.05
September 30, 20090.10.09
June 30, 20090.090.09
March 31, 20090.110.10
December 31, 20080.060.06
September 30, 20080.050.04
June 30, 20080.050.04
March 31, 20080.040.04
December 31, 20070.040.04
September 30, 20070.040.04
June 30, 20070.040.04
March 31, 20070.050.05
December 31, 20060.050.05
September 30, 20060.040.04
December 31, 20050.030.03
September 30, 20050.040.04
June 30, 20050.040.03
March 31, 20050.020.02
December 31, 20040.020.02
September 30, 20040.830.74
June 30, 20040.020.02
March 31, 20040.470.42
December 31, 20030.280.25
September 30, 20030.350.31
June 30, 20030.350.22
March 31, 20030.210.13
December 31, 20020.180.12

Insider ownership (%)

This is the historical insider ownership of Alkermes PLC. 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, 20171.221.88
May 31, 20171.21.84
April 30, 20171.211.84
March 31, 20170.761.16
February 28, 20170.771.16
January 31, 20170.771.16
December 31, 20160.771.16
November 30, 20160.771.16
October 31, 20160.771.16
September 30, 20160.771.16
August 31, 20160.771.16
July 31, 20160.771.16
June 30, 20160.771.16
May 31, 20160.771.16
April 30, 20160.771.16
March 31, 20160.771.16
February 29, 20160.781.16
January 31, 20160.781.16
December 31, 20150.771.16
November 30, 20150.781.16
October 31, 20150.781.16
September 30, 20151.091.62
August 31, 20151.071.60
July 31, 20151.081.60
June 30, 20151.081.60
May 31, 20151.081.60
April 30, 20151.041.55
March 31, 20151.031.52
February 28, 20151.031.52
January 31, 20151.031.50
December 31, 20141.021.50
November 30, 20141.071.55
October 31, 20141.051.54
September 30, 20141.031.50
August 31, 20141.031.50
July 31, 20141.011.48
June 30, 20141.041.50
May 31, 20141.041.50
March 31, 20141.471.43
February 28, 20141.541.50
January 31, 20141.541.50
December 31, 20131.531.50
November 30, 20131.561.52
October 31, 20131.491.45
September 30, 20131.491.45
August 31, 20131.481.45
July 31, 20131.481.45
June 30, 20131.461.43
May 31, 20131.461.43
April 30, 20131.41.37
March 31, 20131.381.35
January 31, 20131.391.35
November 30, 20121.411.37
October 31, 20121.311.27
September 30, 20121.311.27
August 31, 20121.261.23
July 31, 20121.261.23
June 30, 20121.261.23
May 31, 20121.261.23
April 30, 20121.191.16
March 31, 20121.11.07
February 29, 20121.11.07
January 31, 20121.11.07
December 31, 20110.560.55
November 30, 20110.550.54
October 31, 20110.480.47
September 30, 20110.480.47
August 31, 20112.412.35
July 31, 20112.412.35
June 30, 20112.472.37
May 31, 20112.52.39
April 30, 20112.52.39
March 31, 20112.52.39
February 28, 20112.52.39
January 31, 20112.52.39
December 31, 20102.52.39
November 30, 20102.52.39
October 31, 20102.492.38
September 30, 20102.492.38
August 31, 20102.512.40
July 31, 20102.512.40
June 30, 20102.532.41
May 31, 20102.532.41
April 30, 20102.562.42
March 31, 20102.562.42
February 28, 20102.582.43
January 31, 20102.582.44
December 31, 20092.582.44
November 30, 20092.582.44
October 31, 20092.592.44
September 30, 20092.592.44
August 31, 20092.582.44
July 31, 20092.582.44
June 30, 20092.582.44
May 31, 20092.592.46
April 30, 20092.62.47
March 31, 20092.62.47
February 28, 20092.62.46
January 31, 20092.592.46
December 31, 20082.672.54
November 30, 20082.682.55
October 31, 20082.642.50
September 30, 20082.642.51
August 31, 20082.632.50
July 31, 20082.632.51
June 30, 20082.632.51
May 31, 20082.652.53
April 30, 20082.472.46
March 31, 20082.372.37
February 29, 20082.392.38
January 31, 20082.392.38
December 31, 20072.342.38
November 30, 20072.342.38
October 31, 20072.342.38
September 30, 20072.342.38
August 31, 20072.342.38
July 31, 20072.342.38
June 30, 20072.352.38
May 31, 20072.432.45
April 30, 20072.452.46
March 31, 20072.382.39
February 28, 20072.382.40
January 31, 20072.382.40
December 31, 20062.392.40
November 30, 20062.392.40
October 31, 20062.392.40
September 30, 20062.382.40
June 30, 20062.362.38
May 31, 20062.62.39
April 30, 20062.432.22
March 31, 20062.412.21
February 28, 20062.432.22
January 31, 20062.432.23
December 31, 20052.452.23
November 30, 20052.452.23
October 31, 20052.452.23
September 30, 20052.482.24
August 31, 20052.482.24
July 31, 20052.482.24
June 30, 20052.492.24
May 31, 20052.482.24
April 30, 20052.492.24
March 31, 20052.512.26
February 28, 20052.642.37
January 31, 20052.642.37
December 31, 20042.642.37
November 30, 20042.642.37
October 31, 20042.622.35
September 30, 20042.622.35
August 31, 20042.622.35
July 31, 20042.622.35
June 30, 20042.622.35
May 31, 20042.632.35
April 30, 20042.652.36
March 31, 20042.652.36
February 29, 20042.632.35

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Richard F. PopsDirector and CEO, Alkermes plc630,4060.41%2017-03-03
Dr. Paul R. Schimmel,PhDN/A360,6000.23%2007-06-15
Michael J. LandineSVP, Corp Dev., Alkermes, Inc.162,3700.11%2017-03-03
Dr. Floyd E Bloom M.D.N/A128,881less than 0.1%2016-02-08
James M. FratesSVP, Alks Inc; CFO ALKS119,053less than 0.1%2017-03-07
David A. BroeckerN/A106,616less than 0.1%2009-06-16
Shane M CookePresident, Alkermes plc71,948less than 0.1%2017-03-23
Dr. Elliot W. EhrichEVP, R&D & CMO, Alkermes, Inc.55,071less than 0.1%2017-03-15
Kathryn BibersteinEVP/CAO/CCO Alks Inc; Sec ALKS54,904less than 0.1%2017-03-10
Mr. Mark StejbachSVP/Chief Comm Off, Alks Inc41,513less than 0.1%2017-03-03

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
WELLINGTON MANAGEMENT GROUP LLP   Premium Plus19,948,0142017-06-300.270.131,156,387
PRICE T ROWE ASSOCIATES INC /MD/   Premium Plus18,256,9862017-06-300.190.121,058,357
VANGUARD GROUP INC   Premium Plus12,546,1982017-06-300.040.08727,303
BlackRock Inc.   Premium Plus10,218,7652017-06-300.030.07592,381
PRIMECAP Management Premium9,869,2912017-06-300.490.06572,123
Leith Wheeler Canadian Equity Premium8,694,1762017-06-301.080.06504,001
Invesco European Growth Fund Premium8,694,1762017-06-301.080.06504,001
Causeway International Value Premium8,694,1762017-06-301.080.06504,001
Francisco García Paramés Premium8,694,1762017-06-301.080.06504,001
Vanguard Health Care Fund Premium8,694,1762017-06-301.080.06504,001
Signature Select Canadian Fund Premium8,694,1762017-06-301.080.06504,001
Wintergreen Fund Premium8,694,1762017-06-301.080.06504,001
Charles de Vaulx Premium8,694,1762017-06-301.080.06504,001
azValor Iberia FI Premium8,694,1762017-06-301.080.06504,001
Yacktman Focused Fund Premium8,694,1762017-06-301.080.06504,001
David Herro Premium8,694,1762017-06-301.080.06504,001
Hennessy Japan Small Cap Fund Premium8,694,1762017-06-301.080.06504,001
Value Partners Premium8,694,1762017-06-301.080.06504,001
David Carlson Premium8,694,1762017-06-301.080.06504,001
Mawer Canadian Equity Fund Premium8,694,1762017-06-301.080.06504,001
Oakmark Intl Small Cap Premium8,694,1762017-06-301.080.06504,001
Wasatch International Growth Premium8,694,1762017-06-301.080.06504,001
FPA Capital Fund Premium8,694,1762017-06-301.080.06504,001
Steven Romick Premium8,694,1762017-06-301.080.06504,001
CI Can Am Small Cap Premium8,694,1762017-06-301.080.06504,001
IVA International Fund Premium8,694,1762017-06-301.080.06504,001
Bestinfond Premium8,694,1762017-06-301.080.06504,001
David Nadel Premium8,694,1762017-06-301.080.06504,001
Yacktman Fund Premium8,694,1762017-06-301.080.06504,001
Tweedy Browne Global Value Premium8,694,1762017-06-301.080.06504,001
Hennessy Japan Fund Premium8,694,1762017-06-301.080.06504,001
Matthews China Fund Premium8,694,1762017-06-301.080.06504,001
Jerome Dodson Premium8,694,1762017-06-301.080.06504,001
Mawer New Canada Fund Premium8,694,1762017-06-301.080.06504,001
Bernard Horn Premium8,694,1762017-06-301.080.06504,001
MS Global Franchise Fund Premium8,694,1762017-06-301.080.06504,001
Spiros Segalas Premium8,694,1762017-06-301.080.06504,001
David Williams Premium8,694,1762017-06-301.080.06504,001
Fairholme Focused Income Fund Premium8,694,1762017-06-301.080.06504,001
Chou RRSP Fund Premium8,694,1762017-06-301.080.06504,001
Matthews Japan Fund Premium8,694,1762017-06-301.080.06504,001
Meryl Witmer Premium8,694,1762017-06-301.080.06504,001
Eaton Vance Worldwide Health Sciences Fund Premium8,694,1762017-06-301.080.06504,001
Woodford Investment Management LLP   Premium Plus7,647,9772017-06-3016.280.05443,353
Invesco Ltd.   Premium Plus5,236,0072017-06-300.120.03303,531
STATE STREET CORP   Premium Plus3,934,7972017-06-300.020.03228,106
GOLDMAN SACHS GROUP INC   Premium Plus3,096,8242017-06-300.050.02179,523
FRANKLIN RESOURCES INC   Premium Plus2,454,4002017-06-300.070.02142,282
THORNBURG INVESTMENT MANAGEMENT INC   Premium Plus1,988,6722017-06-300.880.01115,283
WADDELL & REED FINANCIAL INC   Premium Plus1,535,4702017-06-300.200.0189,011
MILLENNIUM MANAGEMENT LLC   Premium Plus1,466,3132017-06-300.150.0185,002
Bank of New York Mellon Corp   Premium Plus1,377,5932017-06-300.020.0179,859
Clearbridge Investments, LLC   Premium Plus1,293,4622017-06-300.070.0174,982
GEODE CAPITAL MANAGEMENT, LLC   Premium Plus1,288,0202017-06-300.030.0174,634
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC   Premium Plus1,212,9842017-06-300.070.0170,317
VICTORY CAPITAL MANAGEMENT INC   Premium Plus1,197,4122017-06-300.170.0169,414
Meditor Group Ltd   Premium Plus1,030,6392017-09-308.36N/A52,397

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