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Mallinckrodt PLC (MNK) Ownership Data

Short Interest History (%)

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

Date Short Interest (%)Short Interest (Shares in Mil)
January 31, 201711.1611.61
January 13, 20179.619.99
December 30, 20169.299.30
December 15, 20169.179.18
November 30, 20168.548.55
November 15, 20167.537.54
October 31, 20165.825.82
October 14, 20165.685.68
September 30, 20164.554.55
September 15, 20165.35.31
August 31, 20165.095.09
August 15, 20167.017.01
July 29, 20168.968.96
July 15, 201610.6110.61
June 30, 201612.0512.06
June 15, 201613.1213.12
May 31, 201614.1714.18
May 13, 201612.7912.80
April 29, 201611.5311.53
April 15, 201611.4911.49
March 31, 201612.4112.42
March 15, 201612.5712.57
February 29, 201611.6211.63
February 12, 201611.0611.07
January 29, 201610.8110.82
January 15, 201611.3111.31
December 31, 20159.110.54
December 15, 201510.0211.61
November 30, 20151011.59
November 13, 20159.2810.75
October 30, 20158.329.64
October 15, 20157.018.12
September 30, 20157.989.25
September 15, 20157.789.02
August 31, 20157.458.63
August 14, 20156.417.42
July 31, 20157.098.22
July 15, 20157.028.14
June 30, 20156.777.84
June 15, 20156.27.18
May 29, 20156.257.24
May 15, 20156.417.43
April 30, 20156.477.49
April 15, 20156.647.70
March 31, 20156.867.95
March 13, 20157.438.61
February 27, 20157.198.33
February 13, 20157.678.89
January 30, 20157.198.33
January 15, 20157.849.09
December 31, 201415.478.98
December 15, 201415.428.95
November 28, 201415.859.20
November 14, 201416.269.44
October 31, 201416.659.66
October 15, 201417.4510.13
September 30, 201422.7513.20
September 15, 201424.6314.29
August 29, 201427.2315.80
August 15, 201447.0227.29
July 31, 201426.9715.65
July 15, 201428.6716.64
June 30, 201427.4915.96
June 13, 201427.4115.90
May 30, 201424.314.10
May 15, 201422.4813.04
April 30, 201421.9612.74
April 15, 201416.739.71
March 31, 201414.278.28
March 14, 201413.757.98
February 28, 201414.148.21
February 14, 201415.148.79
January 31, 201412.977.52
January 15, 201413.978.10
December 31, 201313.577.87
December 13, 201314.798.58
November 29, 201314.768.52
November 15, 201314.018.08
October 31, 201313.127.57
October 15, 201312.167.02
September 30, 201311.556.67
September 13, 201311.546.66
August 30, 201310.686.16
August 15, 201310.586.11

Institutional Ownership History (%)

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

Date Institutional Ownership (%)Institutional Ownership (Shares in Mil)
December 31, 201695.97100.36
September 30, 201690.2396.71
June 30, 201698.08105.60
December 31, 201599.71112.20
June 30, 201596.32112.99
March 31, 201595.9112.04
December 31, 201497.56113.42
September 30, 201498.63114.35

Insider ownership (%)

This is the historical insider ownership of Mallinckrodt 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.

No ownership data available.

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
Paulson & Company Inc Premium7,976,8722016-12-317.625.01397,408
AQR Capital Management LLC   Premium Plus3,232,7822016-12-313.090.22161,058
Adage Capital Partners Gp LLC   Premium Plus2,254,4582016-12-312.150.31112,317
T. Rowe Price Associates, Inc.   Premium Plus6,068,1662016-12-315.800.06302,316
State Street Corp   Premium Plus4,946,8182016-12-314.730.02246,464
Janus Capital Management LLC   Premium Plus2,876,8582016-12-312.75N/A143,325
Orbimed Advisors, LLC   Premium Plus1,472,7002016-12-311.410.9373,370
Quantitative Management Associates LLC   Premium Plus1,935,7972016-12-311.850.1796,441
Citadel Advisors Llc   Premium Plus1,540,0922016-09-301.440.11107,467
Vanguard Group Inc   Premium Plus10,143,9672016-12-319.690.03505,373
BlackRock Fund Advisors   Premium Plus4,404,3732016-09-304.110.04307,339
BlackRock Advisors LLC   Premium Plus1,278,1132016-09-301.190.0989,186
Fidelity Management and Research Company   Premium Plus1,560,7282016-09-301.460.02108,908
Vanguard Mid-Cap Index Fund2,565,9222017-01-312.450.16125,037
T. Rowe Price Health Sciences Fund2,435,5752016-12-312.331.21121,340
Vanguard Total Stock Mkt Idx2,332,3532017-01-312.230.02113,656
Vanguard 500 Index Fund1,570,0612017-01-311.500.0376,509
State Street Global Advisors (Aus) Ltd1,289,8662017-01-311.230.0362,940
SPDR® S&P 500® ETF Trust1,268,0462017-01-311.210.0361,792
SPDR® S&P 500 ETF1,261,5802017-02-171.350.0369,059

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