CSS LLC’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 | $150K | Buy |
+2,000
| New | +$158K | 0.01% | 768 |
|
|
2025
Q1 | – | Sell |
-15,100
| Closed | -$528K | – | 1005 |
|
|
2024
Q4 | $528K | Hold |
15,100
| – | – | 0.02% | 536 |
|
|
2024
Q3 | $605K | Hold |
15,100
| – | – | 0.03% | 435 |
|
|
2024
Q2 | $720K | Buy |
15,100
+10,100
| +202% | +$414K | 0.04% | 375 |
|
|
2024
Q1 | $217K | Buy |
+5,000
| New | +$238K | 0.01% | 637 |
|
|
2020
Q2 | – | Sell |
-5,100
| Closed | -$241K | – | 722 |
|
|
2020
Q1 | $241K | Sell |
5,100
-122,000
| -96% | -$6.8M | 0.02% | 402 |
|
|
2019
Q4 | $7.68M | Buy |
127,100
+109,900
| +639% | +$6.55M | 0.43% | 48 |
|
|
2019
Q3 | $1.03M | Buy |
17,200
+12,800
| +291% | +$834K | 0.07% | 208 |
|
|
2019
Q2 | $283K | Hold |
4,400
| – | – | 0.02% | 385 |
|
|
2019
Q1 | $357K | Sell |
4,400
-26,000
| -86% | -$1.68M | 0.02% | 353 |
|
|
2018
Q4 | $1.64M | Hold |
30,400
| – | – | 0.11% | 150 |
|
|
2018
Q3 | $1.57M | Buy |
30,400
+16,000
| +111% | +$752K | 0.07% | 158 |
|
|
2018
Q2 | $601K | Sell |
14,400
-6,600
| -31% | -$293K | 0.03% | 278 |
|
|
2018
Q1 | $926K | Buy |
21,000
+13,000
| +163% | +$660K | 0.05% | 223 |
|
|
2017
Q4 | $403K | Hold |
8,000
| – | – | 0.02% | 382 |
|
|
2017
Q3 | $406K | Buy |
+8,000
| New | +$419K | 0.02% | 391 |
|
|
2017
Q1 | – | Sell |
-8,100
| Closed | -$387K | – | 678 |
|
|
2016
Q4 | $387K | Hold |
8,100
| – | – | 0.02% | 390 |
|
|
2016
Q3 | $296K | Sell |
8,100
-1,000
| -11% | -$31.3K | 0.01% | 485 |
|
|
2016
Q2 | $212K | Buy |
9,100
+1,000
| +12% | +$32.3K | 0.01% | 558 |
|
|
2016
Q1 | $327K | Sell |
8,100
-16,500
| -67% | -$670K | 0.02% | 431 |
|
|
2015
Q4 | $1.52M | Buy |
24,600
+6,700
| +37% | +$362K | 0.09% | 192 |
|
|
2015
Q3 | $724K | Buy |
17,900
+9,100
| +103% | +$471K | 0.04% | 301 |
|
|
2015
Q2 | $507K | Hold |
8,800
| – | – | 0.02% | 439 |
|
|
2015
Q1 | $560K | Sell |
8,800
-42,100
| -83% | -$2.86M | 0.03% | 409 |
|
|
2014
Q4 | $3.14M | Hold |
50,900
| – | – | 0.16% | 134 |
|
|
2014
Q3 | $1.98M | Hold |
50,900
| – | – | 0.1% | 212 |
|
|
2014
Q2 | $1.75M | Buy |
50,900
+15,000
| +42% | +$472K | 0.07% | 225 |
|
|
2014
Q1 | $1.55M | Buy |
+35,900
| New | +$1.74M | 0.08% | 207 |
|
Other funds holding IONS
VPM
VCM
