Group One Trading’s Ionis Pharmaceuticals IONS Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $991K | Sell |
13,200
-19,100
| -59% | -$1.51M | ﹤0.01% | 2729 |
|
|
2025
Q4 | $2.56M | Buy |
32,300
+5,500
| +21% | +$414K | ﹤0.01% | 2059 |
|
|
2025
Q3 | $1.75M | Buy |
26,800
+24,700
| +1,176% | +$1.21M | ﹤0.01% | 2445 |
|
|
2025
Q2 | $83K | Buy |
2,100
+200
| +11% | +$6.54K | ﹤0.01% | 5140 |
|
|
2025
Q1 | $57.3K | Sell |
1,900
-2,500
| -57% | -$81.9K | ﹤0.01% | 5054 |
|
|
2024
Q4 | $154K | Buy |
4,400
+2,500
| +132% | +$93.4K | ﹤0.01% | 4140 |
|
|
2024
Q3 | $76.1K | Sell |
1,900
-3,500
| -65% | -$163K | ﹤0.01% | 4381 |
|
|
2024
Q2 | $257K | Buy |
5,400
+4,000
| +286% | +$164K | ﹤0.01% | 3185 |
|
|
2024
Q1 | $60.7K | Sell |
1,400
-3,400
| -71% | -$162K | ﹤0.01% | 4550 |
|
|
2023
Q4 | $243K | Sell |
4,800
-3,100
| -39% | -$148K | ﹤0.01% | 3692 |
|
|
2023
Q3 | $358K | Buy |
7,900
+2,500
| +46% | +$103K | ﹤0.01% | 3260 |
|
|
2023
Q2 | $222K | Buy |
5,400
+2,800
| +108% | +$108K | ﹤0.01% | 3828 |
|
|
2023
Q1 | $92.9K | Sell |
2,600
-22,200
| -90% | -$834K | ﹤0.01% | 4368 |
|
|
2022
Q4 | $937K | Buy |
24,800
+23,000
| +1,278% | +$967K | ﹤0.01% | 2472 |
|
|
2022
Q3 | $80K | Sell |
1,800
-4,900
| -73% | -$206K | ﹤0.01% | 4988 |
|
|
2022
Q2 | $248K | Buy |
6,700
+1,500
| +29% | +$56.6K | ﹤0.01% | 4095 |
|
|
2022
Q1 | $193K | Sell |
5,200
-22,300
| -81% | -$730K | ﹤0.01% | 4833 |
|
|
2021
Q4 | $837K | Sell |
27,500
-11,200
| -29% | -$353K | ﹤0.01% | 3542 |
|
|
2021
Q3 | $1.3M | Sell |
38,700
-3,100
| -7% | -$117K | ﹤0.01% | 3124 |
|
|
2021
Q2 | $1.67M | Sell |
41,800
-9,000
| -18% | -$353K | ﹤0.01% | 2841 |
|
|
2021
Q1 | $2.28M | Buy |
50,800
+19,000
| +60% | +$1.06M | ﹤0.01% | 2321 |
|
|
2020
Q4 | $1.8M | Buy |
31,800
+11,300
| +55% | +$563K | ﹤0.01% | 2141 |
|
|
2020
Q3 | $973K | Buy |
20,500
+14,600
| +247% | +$811K | ﹤0.01% | 2218 |
|
|
2020
Q2 | $348K | Sell |
5,900
-13,700
| -70% | -$762K | ﹤0.01% | 2918 |
|
|
2020
Q1 | $927K | Sell |
19,600
-45,200
| -70% | -$2.52M | 0.01% | 1584 |
|
|
2019
Q4 | $3.92M | Buy |
64,800
+9,300
| +17% | +$554K | 0.03% | 831 |
|
|
2019
Q3 | $3.33M | Sell |
55,500
-127,100
| -70% | -$8.28M | 0.03% | 836 |
|
|
2019
Q2 | $11.7M | Sell |
182,600
-54,000
| -23% | -$3.82M | 0.11% | 200 |
|
|
2019
Q1 | $19.2M | Sell |
236,600
-16,600
| -7% | -$1.07M | 0.21% | 73 |
|
|
2018
Q4 | $13.7M | Buy |
253,200
+6,700
| +3% | +$342K | 0.12% | 166 |
|
|
2018
Q3 | $12.7M | Buy |
246,500
+15,000
| +6% | +$705K | 0.1% | 212 |
|
|
2018
Q2 | $9.65M | Buy |
231,500
+170,600
| +280% | +$7.56M | 0.08% | 256 |
|
|
2018
Q1 | $2.68M | Sell |
60,900
-126,000
| -67% | -$6.4M | 0.03% | 802 |
|
|
2017
Q4 | $9.4M | Sell |
186,900
-49,400
| -21% | -$2.71M | 0.07% | 364 |
|
|
2017
Q3 | $12M | Buy |
236,300
+39,700
| +20% | +$2.08M | 0.11% | 212 |
|
|
2017
Q2 | $10M | Buy |
196,600
+33,300
| +20% | +$1.55M | 0.1% | 215 |
|
|
2017
Q1 | $6.57M | Sell |
163,300
-40,700
| -20% | -$1.83M | 0.08% | 313 |
|
|
2016
Q4 | $9.76M | Sell |
204,000
-5,300
| -3% | -$210K | 0.09% | 230 |
|
|
2016
Q3 | $7.67M | Buy |
209,300
+56,000
| +37% | +$1.75M | 0.08% | 258 |
|
|
2016
Q2 | $3.57M | Buy |
153,300
+96,200
| +168% | +$3.1M | 0.04% | 526 |
|
|
2016
Q1 | $2.31M | Sell |
57,100
-97,400
| -63% | -$3.96M | 0.03% | 689 |
|
|
2015
Q4 | $9.57M | Sell |
154,500
-104,300
| -40% | -$5.63M | 0.11% | 176 |
|
|
2015
Q3 | $10.5M | Buy |
258,800
+72,000
| +39% | +$3.73M | 0.14% | 138 |
|
|
2015
Q2 | $10.8M | Sell |
186,800
-8,900
| -5% | -$566K | 0.15% | 128 |
|
|
2015
Q1 | $12.5M | Sell |
195,700
-4,700
| -2% | -$319K | 0.2% | 77 |
|
|
2014
Q4 | $12.4M | Buy |
200,400
+73,000
| +57% | +$3.6M | 0.19% | 95 |
|
|
2014
Q3 | $4.95M | Sell |
127,400
-1,200
| -0.9% | -$42.5K | 0.08% | 298 |
|
|
2014
Q2 | $4.43M | Sell |
128,600
-72,300
| -36% | -$2.28M | 0.07% | 337 |
|
|
2014
Q1 | $8.68M | Buy |
200,900
+106,500
| +113% | +$5.16M | 0.15% | 122 |
|
|
2013
Q4 | $3.76M | Buy |
94,400
+12,000
| +15% | +$428K | 0.06% | 352 |
|
|
2013
Q3 | $3.09M | Sell |
82,400
-19,900
| -19% | -$594K | 0.06% | 351 |
|
|
2013
Q2 | $2.75M | Buy |
+102,300
| New | +$2.18M | 0.07% | 291 |
|
Other funds holding IONS
VPM
VCM
Group One Trading's IONS Position: Q1 2026 in Review
Group One Trading reduced its Ionis Pharmaceuticals (IONS) stake by 50% in Q1 2026, selling an estimated $149K and leaving 1,892 shares worth $142K. The position accounts for ﹤0.01% of the portfolio, ranked #4407.
Group One Trading first reported a position in IONS in Q2 2013 and has held it in 36 quarters since. The position peaked at $9.55M in Q2 2015. 493 funds tracked by Wall St. Rank hold IONS as of Q1 2026.
- Group One Trading held 1,892 shares of Ionis Pharmaceuticals worth $142K as of Q1 2026.
- Group One Trading sold 1,886 Ionis Pharmaceuticals shares in Q1 2026, an estimated $149K.
- Ionis Pharmaceuticals made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #4407 holding.
- Group One Trading first reported a position in Ionis Pharmaceuticals in Q2 2013 and has held it in 36 quarters since.
- Group One Trading's Ionis Pharmaceuticals position peaked at $9.55M in Q2 2015.
- 493 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.
Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.