GROUP ONE TRADING, L.P. - LANNET INC ownership

LANNET INC's ticker is and the CUSIP is 516012951. A total of 3 filers reported holding LANNET INC in Q3 2021. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of LANNET INC
ValueSharesWeighting
Q4 2022$109,524
-14.4%
210,300
-26.3%
0.00%
Q3 2022$128,000
-26.0%
285,300
-4.2%
0.00%
Q2 2022$173,000
-28.2%
297,800
-2.5%
0.00%
Q1 2022$241,000
-51.3%
305,300
-0.1%
0.00%
Q4 2021$495,000
+26.3%
305,700
+133.7%
0.00%
Q3 2021$392,000
-24.3%
130,800
+17.8%
0.00%
-100.0%
Q2 2021$518,000
+20.2%
111,000
+35.9%
0.00%0.0%
Q1 2021$431,000
-70.9%
81,700
-64.0%
0.00%
-66.7%
Q4 2020$1,481,000
+7.1%
227,200
+0.4%
0.00%
-25.0%
Q3 2020$1,383,000
-4.0%
226,400
+14.1%
0.00%
-42.9%
Q2 2020$1,440,000
-10.9%
198,400
-14.7%
0.01%
-46.2%
Q1 2020$1,617,000
-21.2%
232,600
-0.0%
0.01%
-7.1%
Q4 2019$2,052,000
-37.9%
232,700
-21.2%
0.01%
-48.1%
Q3 2019$3,307,000
-27.2%
295,300
-60.6%
0.03%
-34.1%
Q2 2019$4,544,000
+184.7%
749,800
+269.7%
0.04%
+127.8%
Q1 2019$1,596,000
+136.4%
202,800
+49.0%
0.02%
+200.0%
Q4 2018$675,000
+69.2%
136,100
+62.0%
0.01%
+100.0%
Q3 2018$399,000
-69.5%
84,000
-12.7%
0.00%
-72.7%
Q2 2018$1,308,000
-87.6%
96,200
-85.4%
0.01%
-89.6%
Q1 2018$10,561,000
+12.1%
658,000
+62.0%
0.11%
+60.6%
Q4 2017$9,422,000
+1358.5%
406,100
+1060.3%
0.07%
+1000.0%
Q3 2017$646,000
-4.9%
35,000
+5.1%
0.01%
-14.3%
Q2 2017$679,000
+89.7%
33,300
+108.1%
0.01%
+75.0%
Q1 2017$358,000
-76.2%
16,000
-76.5%
0.00%
-73.3%
Q4 2016$1,502,000
-44.6%
68,100
-33.3%
0.02%
-48.3%
Q3 2016$2,713,000
+105.8%
102,100
+84.3%
0.03%
+81.2%
Q2 2016$1,318,000
+6.4%
55,400
-19.8%
0.02%
-5.9%
Q1 2016$1,239,000
+56.0%
69,100
+249.0%
0.02%
+88.9%
Q4 2015$794,000
+260.9%
19,800
+273.6%
0.01%
+200.0%
Q3 2015$220,000
-87.2%
5,300
-81.7%
0.00%
-87.5%
Q2 2015$1,718,000
-32.0%
28,900
-22.5%
0.02%
-40.0%
Q1 2015$2,526,000
+297.8%
37,300
+152.0%
0.04%
+300.0%
Q4 2014$635,000
-56.0%
14,800
-53.2%
0.01%
-54.5%
Q3 2014$1,443,000
+753.8%
31,600
+829.4%
0.02%
+633.3%
Q2 2014$169,000
+96.5%
3,400
+41.7%
0.00%
+200.0%
Q1 2014$86,0002,4000.00%
Other shareholders
LANNET INC shareholders Q3 2021
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 227,200$1,481,0000.00%
SIMPLEX TRADING, LLC 561$365,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of LANNET INC shareholders