GROUP ONE TRADING, L.P. - ROCKWELL MED INC ownership

ROCKWELL MED INC's ticker is and the CUSIP is 774374902. A total of 3 filers reported holding ROCKWELL MED 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 ROCKWELL MED INC
ValueSharesWeighting
Q3 2021$6,000
-89.3%
9,800
-84.0%
0.00%
Q2 2021$56,000
-48.1%
61,400
-33.8%
0.00%
Q1 2021$108,000
+2060.0%
92,800
+1874.5%
0.00%
Q4 2020$5,000
-87.2%
4,700
-86.9%
0.00%
Q3 2020$39,000
-35.0%
36,000
+16.5%
0.00%
Q2 2020$60,000
-42.9%
30,900
-39.8%
0.00%
-100.0%
Q1 2020$105,000
+288.9%
51,300
+423.5%
0.00%
Q3 2019$27,000
-69.3%
9,800
-66.3%
0.00%
-100.0%
Q2 2019$88,000
-39.3%
29,100
+14.1%
0.00%
-50.0%
Q1 2019$145,000
-72.5%
25,500
-76.2%
0.00%
-60.0%
Q2 2018$528,000
+6.9%
107,100
+12.9%
0.01%0.0%
Q1 2018$494,000
+177.5%
94,900
+211.1%
0.01%
+400.0%
Q4 2017$178,000
-64.2%
30,500
-47.5%
0.00%
-80.0%
Q3 2017$497,000
-27.9%
58,100
-33.1%
0.01%
-28.6%
Q2 2017$689,000
+110.1%
86,900
+65.8%
0.01%
+75.0%
Q1 2017$328,000
-51.0%
52,400
-48.7%
0.00%
-33.3%
Q4 2016$669,000
-3.5%
102,100
-1.3%
0.01%
-25.0%
Q3 2016$693,000
-59.2%
103,400
-53.9%
0.01%
-60.0%
Q2 2016$1,699,000
+0.2%
224,400
-0.6%
0.02%
-16.7%
Q1 2016$1,695,000
-44.4%
225,700
-24.2%
0.02%
-33.3%
Q4 2015$3,051,000
+30.0%
297,900
-2.1%
0.04%
+12.5%
Q3 2015$2,347,000
-59.0%
304,400
-14.4%
0.03%
-60.0%
Q2 2015$5,731,000
+193.7%
355,500
+99.2%
0.08%
+158.1%
Q1 2015$1,951,000
-60.8%
178,500
-63.1%
0.03%
-58.7%
Q4 2014$4,976,000
+66.3%
484,000
+47.8%
0.08%
+63.0%
Q3 2014$2,992,000
-45.1%
327,400
-28.0%
0.05%
-45.2%
Q2 2014$5,453,000
+18.1%
454,800
+24.7%
0.08%
+7.7%
Q1 2014$4,618,000
+66.1%
364,800
+36.9%
0.08%
+85.7%
Q4 2013$2,781,000
+26.4%
266,400
+38.1%
0.04%0.0%
Q3 2013$2,201,000
+2429.9%
192,900
+700.4%
0.04%
+2000.0%
Q2 2013$87,00024,1000.00%
Other shareholders
ROCKWELL MED INC shareholders Q3 2021
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 103,400$693,0000.01%
SIMPLEX TRADING, LLC 202$24,0000.00%
View complete list of ROCKWELL MED INC shareholders