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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)
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, 201691.3496.53
September 30, 201689.195.50
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)
Vanguard Group Inc   Premium Plus9,935,7142016-09-309.270.04693,313
Paulson & Company Inc Premium7,974,4722016-09-307.446.03556,459
T. Rowe Price Associates, Inc.   Premium Plus6,000,5772016-09-305.600.08418,720
BlackRock Fund Advisors   Premium Plus4,404,3732016-09-304.110.04307,339
Janus Capital Management LLC   Premium Plus3,604,1592016-09-303.360.32251,501
State Street Corp   Premium Plus3,511,6502016-09-303.280.03245,048
T. Rowe Price Health Sciences Fund3,171,0752016-09-302.961.97221,278
Vanguard Mid-Cap Index Fund2,524,2182016-12-312.380.16125,757
Adage Capital Partners Gp LLC   Premium Plus2,356,5582016-09-302.200.45164,441
Vanguard Total Stock Mkt Idx2,280,2642016-12-312.150.02113,603
Lazard Asset Management LLC   Premium Plus2,099,3202016-09-301.960.32146,489
AQR Capital Management LLC   Premium Plus1,829,0442016-09-301.710.20127,631
Quantitative Management Associates LLC   Premium Plus1,826,9272016-09-301.700.23127,483
Fidelity Management and Research Company   Premium Plus1,560,7282016-09-301.460.02108,908
Consonance Capital Management LP   Premium Plus1,560,1572016-09-301.4610.48108,837
Vanguard 500 Index Fund1,547,6922016-12-311.460.0377,106
Citadel Advisors Llc   Premium Plus1,540,0922016-09-301.440.11107,467
BlackRock Advisors LLC   Premium Plus1,278,1132016-09-301.190.0989,186
SPDR® S&P 500 ETF1,258,8352017-01-191.160.0360,575
Dimensional Fund Advisors, Inc.   Premium Plus1,257,4202016-09-301.170.0587,737

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