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Plug Power Inc (PLUG) Ownership Data

Short Interest History (%)

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

Date Short Interest (%)Short Interest (Shares in Mil)
August 31, 201719.0842.20
August 15, 201718.9341.86
July 31, 201718.0839.98
July 14, 201717.6939.13
June 30, 201717.4738.63
June 15, 201716.8437.24
May 31, 201716.3636.19
May 15, 201715.434.07
April 28, 201713.9830.92
March 31, 201718.8233.59
March 15, 201720.2236.09
February 28, 201720.937.30
February 15, 201718.6333.25
January 31, 201719.1934.25
January 13, 201718.3232.70
December 30, 201618.5733.14
December 15, 201617.4631.17
November 30, 201617.9532.04
November 15, 201617.4231.10
October 31, 201617.0830.48
October 14, 201616.6929.79
September 30, 201617.6231.44
September 15, 201617.7531.68
August 31, 201616.9930.33
August 15, 201616.7129.82
July 29, 201616.0928.72
July 15, 201615.6127.86
June 30, 201615.4527.57
June 15, 201615.427.48
May 31, 201616.2428.99
May 13, 201616.5729.58
April 29, 201616.429.26
April 15, 201616.7929.97
March 31, 201619.6133.68
March 15, 201618.9232.51
February 29, 201619.2933.13
February 12, 201620.0434.42
January 29, 20162034.35
January 15, 201619.8634.11
December 31, 201519.6533.75
December 15, 201520.2334.74
November 30, 201521.4936.92
November 13, 201520.4235.07
October 30, 201520.5335.27
October 15, 201520.3534.95
September 30, 201520.5335.25
September 15, 201519.8634.11
August 31, 201519.7733.96
August 14, 201519.9134.20
July 31, 201520.0634.45
July 15, 201519.3733.26
June 30, 201518.0831.06
June 15, 201518.4431.68
May 29, 201518.1131.11
May 15, 201518.8632.39
April 30, 201517.6730.34
April 15, 201517.9330.79
March 31, 201519.2131.80
March 13, 201519.3432.01
February 27, 201519.0431.52
February 13, 201518.8731.23
January 30, 201518.7130.96
January 15, 201519.0131.46
December 31, 201419.9533.02
December 15, 201421.435.41
November 28, 201422.0936.55
November 14, 201421.2935.23
October 31, 201421.6735.87
October 15, 201422.4837.20
September 30, 201422.3236.95
September 15, 201422.5237.27
August 29, 201421.7235.94
August 15, 201423.0938.20
July 31, 201422.8237.77
July 15, 201422.1636.67
June 30, 201419.3732.05
June 13, 201418.6930.93
May 30, 201421.2435.15
May 15, 201425.3736.11
April 30, 201418.3126.06
April 15, 201420.8929.73
March 31, 201421.3930.44
March 14, 201445.5722.19
February 28, 201439.8219.40
February 14, 201438.6518.82
January 31, 201423.2811.34
January 15, 201418.629.07
December 31, 201314.387.01
December 13, 201314.647.13
November 29, 20138.424.10
November 15, 20138.053.92
October 31, 20137.483.64
October 15, 20136.793.31
September 30, 20135.662.76
September 13, 20136.132.99
August 30, 20137.933.86
August 15, 20137.83.80
July 31, 20138.534.16
July 15, 20138.424.10
June 28, 20138.133.96
June 14, 20136.173.00
May 31, 20136.283.06
May 15, 20136.653.24
April 30, 20135.962.90
March 28, 201311.62.84
March 15, 20138.312.04
February 28, 20136.151.51
February 15, 20136.271.54
January 31, 20136.21.52
January 15, 20136.11.49
December 31, 20126.441.58
December 14, 20126.561.61
November 30, 20126.521.60
November 15, 20126.51.59
October 31, 20126.681.64
October 15, 20126.671.64
September 28, 20126.711.65
September 14, 20126.891.69
August 31, 20127.121.75
August 15, 20127.441.82
July 31, 20127.591.86
July 13, 20127.81.91
June 29, 20128.031.97
June 15, 20128.452.07
May 31, 20128.682.13
May 15, 20129.152.24
April 30, 20129.192.25
April 13, 20128.72.13
March 30, 20128.041.97
March 15, 201223.782.05
February 29, 201221.731.87
February 15, 201221.51.85
January 31, 201221.221.83
January 13, 201221.581.86
December 30, 201121.731.87
December 15, 201121.361.84
November 30, 201120.311.75
November 15, 201118.641.61
October 31, 201115.211.31
October 14, 201114.571.25
September 30, 201113.911.20
September 15, 201112.361.07
August 31, 201112.391.07
August 15, 201110.350.89
July 29, 201112.261.06
July 15, 20119.790.84
June 30, 2011110.95
May 31, 20114.760.41
April 29, 20113.580.31
April 15, 20113.320.29
March 31, 20113.30.28
February 28, 20112.830.25
February 15, 20113.780.33
January 31, 20112.820.25
January 14, 20111.090.10
December 31, 20101.060.09
December 15, 201010.09
November 30, 20101.040.09
November 15, 20101.110.10
October 29, 20101.040.09
October 15, 201010.09
September 30, 20101.050.09
September 15, 20101.010.09
August 31, 20101.020.09
August 13, 20100.990.09
July 30, 20100.990.09
July 15, 201010.09
June 30, 201010.09
June 15, 20101.030.09
May 28, 20101.760.15
May 14, 201010.09
April 30, 20101.010.09
April 15, 20100.990.09
March 31, 20101.40.12
March 15, 20101.180.10

Institutional Ownership History (%)

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

Date Institutional Ownership (%)Institutional Ownership (Shares in Mil)
June 30, 201720.7846.70
March 31, 201717.9834.37
December 31, 201628.1153.74
September 30, 201616.7930.30
June 30, 201616.529.74
March 31, 201615.5828.09
December 31, 201516.2329.23
September 30, 201519.4632.00
June 30, 201517.0529.59
March 31, 201515.5626.98
December 31, 201420.8236.07
September 30, 201418.0731.29
June 30, 201418.6931.24
March 31, 201417.2424.81
December 31, 20135.465.80
September 30, 20138.78.92
June 30, 201314.1111.36
March 31, 201327.8217.70
December 31, 201249.1216.78
September 30, 201241.3815.62
June 30, 201261.6223.06
March 31, 201242.7316.14
December 31, 201131.147.30
September 30, 201128.986.56
June 30, 201122.55.04
March 31, 201143.1257.25
December 31, 201010.1213.33
September 30, 201011.9715.75
June 30, 201013.317.41
December 31, 200923.5830.65
September 30, 200922.5529.19
June 30, 200929.6337.94
March 31, 200938.3349.17
December 31, 200842.8837.96
September 30, 200849.1543.46
June 30, 200855.7348.94
March 31, 200846.0840.46
December 31, 200748.7744.09
September 30, 200744.3438.57
June 30, 200745.0238.95
March 31, 20070.050.04
December 31, 200646.3339.88
September 30, 200644.9238.77
June 30, 200647.0440.67
March 31, 200643.6237.52
December 31, 200543.5337.49
June 30, 200439.929.41
March 31, 200428.7615.57
December 31, 200326.8218.06
September 30, 200321.412.69
June 30, 200327.0911.09
March 31, 200316.710.03
September 30, 20020.020.01
March 31, 20020.020.01
December 31, 20010.020.01
September 30, 20010.020.01
June 30, 20010.020.01
September 30, 20007.421.54
June 30, 20001.760.82

Insider ownership (%)

This is the historical insider ownership of Plug Power 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, 20171.422.84
May 31, 20171.422.84
April 30, 20171.422.84
March 31, 20171.552.80
February 28, 20171.552.80
January 31, 20171.552.80
December 31, 20161.522.73
November 30, 20161.522.73
October 31, 20161.492.69
September 30, 20161.492.69
August 31, 20161.492.69
July 31, 20161.52.71
June 30, 20161.482.67
May 31, 20161.482.67
April 30, 20161.482.67
March 31, 20161.362.45
February 29, 20161.362.45
January 31, 20161.572.82
December 31, 20151.362.45
November 30, 20151.552.79
October 31, 20151.62.78
September 30, 20151.582.75
August 31, 20151.582.75
July 31, 20151.562.71
June 30, 20151.542.68
May 31, 20151.542.68
April 30, 20151.542.68
March 31, 20151.542.68
February 28, 20151.542.66
January 31, 20151.512.62
December 31, 20141.482.56
November 30, 20141.572.62
October 31, 20141.572.62
September 30, 20141.572.62
August 31, 20141.572.62
July 31, 20141.572.62
June 30, 20141.352.25
May 31, 20141.562.60
March 31, 201411.492.60
February 28, 201411.442.59
January 31, 201411.442.59
December 31, 201311.32.56
November 30, 201311.32.56
October 31, 201311.32.56
September 30, 201311.212.54
August 31, 20139.222.09
July 31, 20139.082.06
June 30, 20139.082.06
May 31, 20137.511.70
April 30, 20137.511.70
March 31, 20137.511.70
January 31, 20136.171.40
November 30, 20126.171.40
October 31, 20126.171.40
September 30, 20126.171.40
April 30, 20111.682.22
March 31, 20111.682.22
February 28, 20111.662.18
January 31, 20111.662.18
December 31, 20101.612.11
November 30, 20101.612.11
October 31, 20101.612.11
September 30, 20101.612.11
August 31, 20101.552.04
July 31, 20101.552.04
June 30, 20101.51.96
May 31, 20101.51.96
April 30, 20101.51.96
March 31, 20101.51.96
February 28, 20101.351.75
January 31, 20101.11.42
December 31, 20091.061.38
November 30, 20091.061.38
October 31, 20091.061.38
September 30, 20091.041.34
August 31, 20091.041.34
July 31, 20091.041.34
June 30, 20091.011.30
May 31, 200911.30
April 30, 20091.011.29
March 31, 20090.981.25
February 28, 20091.151.01
January 31, 20091.151.01
December 31, 20081.110.98
November 30, 20081.110.98
October 31, 20081.110.98
September 30, 20081.040.92
August 31, 20081.040.92
July 31, 20081.040.92
June 30, 20081.010.89
May 31, 20081.010.89
April 30, 20080.950.84
March 31, 20080.940.82
February 29, 20080.910.80
January 31, 20080.890.78
December 31, 20070.880.77
November 30, 20070.870.76
October 31, 20070.850.75
September 30, 20070.850.75
August 31, 20070.860.75
July 31, 20070.840.73
June 30, 20070.840.73
May 31, 20070.840.73
April 30, 20070.80.69
March 31, 20070.770.66
February 28, 20070.930.80
January 31, 20070.930.80
December 31, 20060.940.81
November 30, 20060.920.79
October 31, 20060.950.82
September 30, 20060.920.80
June 30, 20060.90.77
May 31, 20060.870.75
April 30, 20060.780.67
March 31, 20060.780.67
February 28, 20060.70.60
January 31, 20060.710.60
December 31, 20050.590.50
November 30, 20050.580.50
October 31, 20050.580.50
September 30, 20050.590.50
August 31, 20050.590.50
July 31, 20050.680.57
June 30, 20050.780.57
May 31, 20050.780.57
April 30, 20050.780.57
March 31, 20050.740.54
February 28, 20050.740.54
January 31, 20051.240.91
December 31, 20041.240.91
November 30, 20041.240.91
October 31, 20041.230.90
September 30, 20041.230.90
August 31, 20041.240.90
July 31, 20041.240.90
June 30, 20041.280.94
May 31, 20041.280.94
April 30, 20041.290.94
March 31, 20041.280.93
February 29, 20040.450.33

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Andrew MarshN/A452,8590.2%2016-07-23
George C. McnameeDirector418,1210.18%2017-01-03
Mr. Gary K. WillisN/A256,0200.11%2017-01-03
Mr. Larry G. GarberdingN/A191,826less than 0.1%2017-01-03
Maureen O. HelmerN/A149,842less than 0.1%2017-01-03
Gerard A. AndersonN/A132,229less than 0.1%2010-02-08
Mr. Adrian CorlessN/A103,729less than 0.1%2010-03-25
Mark A. SperryN/A87,802less than 0.1%2010-02-08
Tom HutchisonN/A78,000less than 0.1%2006-06-28
Mr. Johannes Minho RothN/A69,346less than 0.1%2017-01-03

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
State Street Corp   Premium Plus2,784,7222016-09-301.54N/A4,764
TIAA-CREF Investment Management LLC   Premium Plus784,7742016-09-300.43N/A1,342
California Public Employees Retrmnt Sys   Premium Plus495,5002016-09-300.27N/A847
Hudson Bay Capital Management LP   Premium Plus10,220,0002016-12-315.66N/A12,264
Vanguard Group Inc   Premium Plus6,839,1272016-09-303.79N/A11,696
BNY Mellon Investment Management   Premium Plus510,6902016-09-300.28N/A873
BlackRock Fund Advisors   Premium Plus5,001,2342016-09-302.77N/A8,552
BlackRock Advisors LLC   Premium Plus704,6082016-09-300.39N/A1,205
Northern Trust Investments N A   Premium Plus1,964,7552016-09-301.09N/A3,359
Susquehanna Financial Group, LLLP   Premium Plus600,7942016-09-300.33N/A1,027
Invesco PowerShares Capital Mgmt LLC   Premium Plus1,778,2562016-09-300.99N/A3,041
Charles Schwab Investment Management Inc   Premium Plus572,7952016-09-300.32N/A980
Geode Capital Management, LLC   Premium Plus1,240,5422016-09-300.69N/A2,121
Vanguard Total Stock Mkt Idx3,778,7052016-12-312.09N/A4,534
iShares Russell 2000 (AU)3,514,1782017-02-102.170.014,147
Vanguard Extended Market Index Fund2,314,5502016-12-311.280.012,777
PowerShares WilderHill Clean Energy Port1,953,3002017-02-131.122.462,149
iShares Russell 2000 Growth987,5732017-02-100.610.021,165
Fidelity Spartan® Extended Mkt Indx Fd757,9152016-12-310.42N/A909
iShares Russell 2000 Value621,0482017-02-100.380.01733

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