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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
July 15, 20157.02
June 30, 20156.77
June 15, 20156.2
May 29, 20156.25
May 15, 20156.41
April 30, 20156.47
April 15, 20156.64
March 31, 20156.86
March 13, 20157.43
February 27, 20157.19
February 13, 20157.67
January 30, 20157.19
January 15, 20157.84
December 31, 201415.47
December 15, 201415.42
November 28, 201415.85
November 14, 201416.26
October 31, 201416.65
October 15, 201417.45
September 30, 201422.75
September 15, 201424.63
August 29, 201427.23
August 15, 201447.02
July 31, 201426.97
July 15, 201428.67
June 30, 201427.49
June 13, 201427.41
May 30, 201424.3
May 15, 201422.48
April 30, 201421.96
April 15, 201416.73
March 31, 201414.27
March 14, 201413.75
February 28, 201414.14
February 14, 201415.14
January 31, 201412.97
January 15, 201413.97
December 31, 201313.57
December 13, 201314.79
November 29, 201314.76
November 15, 201314.01
October 31, 201313.12
October 15, 201312.16
September 30, 201311.55
September 13, 201311.54
August 30, 201310.68
August 15, 201310.58

Institutional Ownership History (%)

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

Date Institutional Ownership
June 30, 2015100
March 31, 201594
December 31, 201496
September 30, 201496

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 Plus9,157,0682015-03-317.840.081,159,741
Paulson & Company Inc Premium8,460,2932015-03-317.245.461,071,496
Janus Capital Management LLC   Premium Plus6,082,8072015-03-315.210.99770,408
Jana Partners LLC5,335,7452014-01-069.19N/A278,846
State Street Corp   Premium Plus5,207,4632015-03-314.460.07659,527
Artisan Partners Limited Partnership4,235,5762014-01-067.29N/A221,351
Fidelity Management and Research Company   Premium Plus4,052,1102015-05-293.46N/A458,618
BlackRock Fund Advisors   Premium Plus3,610,6292015-03-313.090.06457,286
Viking Global Investors LP Premium3,537,3302015-03-313.031.74448,003
Janus Contrarian Fund2,505,2272015-03-312.146.95317,287

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