GROUP ONE TRADING, L.P. - IONIS PHARMACEUTICALS INC ownership

IONIS PHARMACEUTICALS INC's ticker is and the CUSIP is 462222950. A total of 4 filers reported holding IONIS PHARMACEUTICALS INC in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of IONIS PHARMACEUTICALS INC
ValueSharesWeighting
Q3 2023$358,344
+61.7%
7,900
+46.3%
0.00%0.0%
Q2 2023$221,562
+138.4%
5,400
+107.7%
0.00%
Q1 2023$92,924
-90.1%
2,600
-89.5%
0.00%
-100.0%
Q4 2022$936,696
+1070.9%
24,800
+1277.8%
0.00%
Q3 2022$80,000
-67.7%
1,800
-73.1%
0.00%
Q2 2022$248,000
+28.5%
6,700
+28.8%
0.00%
Q1 2022$193,000
-76.9%
5,200
-81.1%
0.00%
-100.0%
Q4 2021$837,000
-35.5%
27,500
-28.9%
0.00%0.0%
Q3 2021$1,298,000
-22.1%
38,700
-7.4%
0.00%
-50.0%
Q2 2021$1,667,000
-27.0%
41,800
-17.7%
0.00%
-33.3%
Q1 2021$2,284,000
+27.0%
50,800
+59.7%
0.00%0.0%
Q4 2020$1,798,000
+84.8%
31,800
+55.1%
0.00%0.0%
Q3 2020$973,000
+179.6%
20,500
+247.5%
0.00%
+50.0%
Q2 2020$348,000
-62.5%
5,900
-69.9%
0.00%
-75.0%
Q1 2020$927,000
-76.3%
19,600
-69.8%
0.01%
-70.4%
Q4 2019$3,915,000
+17.7%
64,800
+16.8%
0.03%0.0%
Q3 2019$3,325,000
-71.7%
55,500
-69.6%
0.03%
-74.5%
Q2 2019$11,736,000
-38.9%
182,600
-22.8%
0.11%
-50.5%
Q1 2019$19,205,000
+40.3%
236,600
-6.6%
0.21%
+79.8%
Q4 2018$13,688,000
+7.7%
253,200
+2.7%
0.12%
+19.0%
Q3 2018$12,714,000
+31.8%
246,500
+6.5%
0.10%
+22.0%
Q2 2018$9,647,000
+259.4%
231,500
+280.1%
0.08%
+203.7%
Q1 2018$2,684,000
-71.4%
60,900
-67.4%
0.03%
-59.1%
Q4 2017$9,401,000
-21.5%
186,900
-20.9%
0.07%
-39.4%
Q3 2017$11,980,000
+19.8%
236,300
+20.2%
0.11%
+4.8%
Q2 2017$10,001,000
+52.3%
196,600
+20.4%
0.10%
+36.8%
Q1 2017$6,565,000
-32.7%
163,300
-20.0%
0.08%
-20.0%
Q4 2016$9,757,000
+27.2%
204,000
-2.5%
0.10%
+14.5%
Q3 2016$7,669,000
+114.8%
209,300
+36.5%
0.08%
+97.6%
Q2 2016$3,570,000
+54.3%
153,300
+168.5%
0.04%
+27.3%
Q1 2016$2,313,000
-75.8%
57,100
-63.0%
0.03%
-70.8%
Q4 2015$9,568,000154,5000.11%
Other shareholders
IONIS PHARMACEUTICALS INC shareholders Q4 2020
NameSharesValueWeighting ↓
Twin Tree Management, LP 110,700$5,021,3520.01%
GROUP ONE TRADING, L.P. 7,900$358,3440.00%
JANE STREET GROUP, LLC 55,800$2,531,0880.00%
SIMPLEX TRADING, LLC 22,700$1,0290.00%
JPMORGAN CHASE & CO 30,000$1,360,8000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of IONIS PHARMACEUTICALS INC shareholders