GROUP ONE TRADING, L.P. - MALLINCKRODT PUB LTD CO ownership

MALLINCKRODT PUB LTD CO's ticker is MNKKQ and the CUSIP is G5785G107. A total of 325 filers reported holding MALLINCKRODT PUB LTD CO in Q4 2018. The put-call ratio across all filers is 2.14 and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of MALLINCKRODT PUB LTD CO
ValueSharesWeighting
Q1 2020$1,043,000
-52.8%
526,752
+418.8%
0.01%
-68.0%
Q1 2019$2,208,000
-5.2%
101,542
-31.1%
0.02%
+25.0%
Q4 2018$2,328,000
-64.2%
147,372
-33.5%
0.02%
-60.8%
Q3 2018$6,494,000
+122.1%
221,558
+41.4%
0.05%
+104.0%
Q2 2018$2,924,000
+40.0%
156,706
+8.7%
0.02%
+19.0%
Q1 2018$2,088,000
+491.5%
144,201
+822.7%
0.02%
+950.0%
Q4 2017$353,000
-90.1%
15,629
-83.7%
0.00%
-93.9%
Q3 2017$3,582,000
+1044.4%
95,847
+1271.2%
0.03%
+1000.0%
Q2 2017$313,000
-66.7%
6,990
-66.8%
0.00%
-72.7%
Q1 2017$939,000
+4.3%
21,060
+16.5%
0.01%
+22.2%
Q4 2016$900,000
+34.1%
18,070
+100.9%
0.01%
+12.5%
Q4 2015$671,000
-88.5%
8,994
-90.2%
0.01%
-90.1%
Q3 2015$5,840,000
+97.2%
91,328
+262.9%
0.08%
+97.6%
Q2 2015$2,962,000
+229.5%
25,165
+254.3%
0.04%
+192.9%
Q1 2015$899,000
-86.7%
7,102
-90.5%
0.01%
-86.5%
Q3 2014$6,755,000
+5391.9%
74,933
+4768.9%
0.10%
+5100.0%
Q2 2014$123,000
+4000.0%
1,539
+2978.0%
0.00%
Q1 2014$3,000
-76.9%
50
-80.0%
0.00%
Q4 2013$13,000
-27.8%
250
-37.5%
0.00%
Q3 2013$18,0004000.00%
Other shareholders
MALLINCKRODT PUB LTD CO shareholders Q4 2018
NameSharesValueWeighting ↓
BROADWOOD CAPITAL INC 1,619,968$160,425,00032.73%
Espalier Global Management LLC 771,200$76,372,00012.71%
HealthCor Management, L.P. 1,325,000$131,215,0007.31%
March Altus Capital Management LP 145,071$14,366,0006.56%
Paulson & Co. 9,012,293$892,487,0004.61%
BLUE JAY CAPITAL MANAGEMENT, LLC 100,000$9,903,0004.42%
OAK RIDGE INVESTMENTS LLC 1,477,372$147,388,0003.52%
Integre Asset Management, LLC 148,754$14,731,0003.05%
Anandar Capital Management LP 75,000$7,427,0002.99%
GROESBECK INVESTMENT MANAGEMENT CORP /NJ/ 61,191$6,060,0002.97%
View complete list of MALLINCKRODT PUB LTD CO shareholders