Jane Street’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
Q2 | $39.9M | Buy |
503,647
+311,829
| +163% | +$23.5M | ﹤0.01% | 1590 |
|
|
2026
Q1 | $14.4M | Buy |
191,818
+161,347
| +530% | +$12.7M | ﹤0.01% | 2111 |
|
|
2025
Q4 | $2.41M | Sell |
30,471
-334,599
| -92% | -$25.2M | ﹤0.01% | 4448 |
|
|
2025
Q3 | $23.9M | Buy |
+365,070
| New | +$17.8M | ﹤0.01% | 1483 |
|
|
2025
Q2 | – | Sell |
-54,117
| Closed | -$1.77M | – | 10228 |
|
|
2025
Q1 | $1.63M | Sell |
54,117
-110,517
| -67% | -$3.62M | ﹤0.01% | 4691 |
|
|
2024
Q4 | $5.76M | Sell |
164,634
-11,926
| -7% | -$446K | ﹤0.01% | 2486 |
|
|
2024
Q3 | $7.07M | Sell |
176,560
-2,686
| -1% | -$125K | ﹤0.01% | 2340 |
|
|
2024
Q2 | $8.54M | Buy |
179,246
+61,114
| +52% | +$2.51M | ﹤0.01% | 2225 |
|
|
2024
Q1 | $5.12M | Sell |
118,132
-36,032
| -23% | -$1.72M | ﹤0.01% | 2581 |
|
|
2023
Q4 | $7.8M | Sell |
154,164
-99,327
| -39% | -$4.76M | ﹤0.01% | 2261 |
|
|
2023
Q3 | $11.5M | Buy |
253,491
+145,167
| +134% | +$5.99M | ﹤0.01% | 1633 |
|
|
2023
Q2 | $4.44M | Buy |
108,324
+4,423
| +4% | +$170K | ﹤0.01% | 2919 |
|
|
2023
Q1 | $3.71M | Buy |
103,901
+92,421
| +805% | +$3.47M | ﹤0.01% | 2847 |
|
|
2022
Q4 | $434K | Sell |
11,480
-9,149
| -44% | -$385K | ﹤0.01% | 6383 |
|
|
2022
Q3 | $913K | Sell |
20,629
-70,260
| -77% | -$2.96M | ﹤0.01% | 5567 |
|
|
2022
Q2 | $3.36M | Buy |
90,889
+63,098
| +227% | +$2.38M | ﹤0.01% | 3259 |
|
|
2022
Q1 | $1.03M | Sell |
27,791
-24,759
| -47% | -$810K | ﹤0.01% | 6080 |
|
|
2021
Q4 | $1.6M | Sell |
52,550
-11,926
| -18% | -$375K | ﹤0.01% | 4934 |
|
|
2021
Q3 | $2.16M | Buy |
64,476
+18,059
| +39% | +$680K | ﹤0.01% | 4317 |
|
|
2021
Q2 | $1.85M | Buy |
46,417
+13,554
| +41% | +$531K | ﹤0.01% | 4476 |
|
|
2021
Q1 | $1.48M | Sell |
32,863
-47,779
| -59% | -$2.66M | ﹤0.01% | 4644 |
|
|
2020
Q4 | $4.56M | Buy |
80,642
+1,526
| +2% | +$76K | ﹤0.01% | 2249 |
|
|
2020
Q3 | $3.75M | Buy |
79,116
+48,190
| +156% | +$2.68M | ﹤0.01% | 2181 |
|
|
2020
Q2 | $1.82M | Buy |
30,926
+22,450
| +265% | +$1.25M | ﹤0.01% | 3194 |
|
|
2020
Q1 | $401K | Sell |
8,476
-34,617
| -80% | -$1.93M | ﹤0.01% | 3888 |
|
|
2019
Q4 | $2.6M | Buy |
43,093
+39,343
| +1,049% | +$2.34M | ﹤0.01% | 1654 |
|
|
2019
Q3 | $225K | Sell |
3,750
-6,257
| -63% | -$408K | ﹤0.01% | 4514 |
|
|
2019
Q2 | $643K | Buy |
10,007
+925
| +10% | +$65.4K | ﹤0.01% | 3264 |
|
|
2019
Q1 | $737K | Sell |
9,082
-26,846
| -75% | -$1.73M | ﹤0.01% | 3188 |
|
|
2018
Q4 | $1.94M | Sell |
35,928
-5,998
| -14% | -$306K | ﹤0.01% | 1766 |
|
|
2018
Q3 | $2.16M | Buy |
+41,926
| New | +$1.97M | ﹤0.01% | 1816 |
|
|
2018
Q2 | – | Sell |
-19,143
| Closed | -$844K | – | 5271 |
|
|
2018
Q1 | $844K | Buy |
19,143
+8,689
| +83% | +$441K | ﹤0.01% | 2885 |
|
|
2017
Q4 | $526K | Buy |
+10,454
| New | +$573K | ﹤0.01% | 3110 |
|
|
2017
Q3 | – | Sell |
-4,465
| Closed | -$234K | – | 4747 |
|
|
2017
Q2 | $227K | Sell |
4,465
-17,940
| -80% | -$835K | ﹤0.01% | 3904 |
|
|
2017
Q1 | $901K | Buy |
22,405
+7,539
| +51% | +$339K | ﹤0.01% | 2175 |
|
|
2016
Q4 | $711K | Buy |
14,866
+7,116
| +92% | +$282K | ﹤0.01% | 2469 |
|
|
2016
Q3 | $284K | Sell |
7,750
-42,653
| -85% | -$1.33M | ﹤0.01% | 3364 |
|
|
2016
Q2 | $1.17M | Buy |
50,403
+32,613
| +183% | +$1.05M | 0.01% | 1814 |
|
|
2016
Q1 | $720K | Sell |
17,790
-21,998
| -55% | -$894K | ﹤0.01% | 2197 |
|
|
2015
Q4 | $2.46M | Buy |
+39,788
| New | +$2.15M | 0.02% | 900 |
|
|
2015
Q3 | – | Sell |
-194,706
| Closed | -$11.2M | – | 3854 |
|
|
2015
Q2 | $11.2M | Buy |
194,706
+160,215
| +465% | +$10.2M | 0.07% | 212 |
|
|
2015
Q1 | $2.2M | Buy |
34,491
+17,818
| +107% | +$1.21M | 0.02% | 803 |
|
|
2014
Q4 | $1.03M | Buy |
16,673
+9,247
| +125% | +$456K | 0.01% | 1009 |
|
|
2014
Q3 | $288K | Buy |
+7,426
| New | +$263K | ﹤0.01% | 1920 |
|
|
2014
Q2 | – | Sell |
-14,726
| Closed | -$636K | – | 2837 |
|
|
2014
Q1 | $636K | Buy |
14,726
+5,205
| +55% | +$252K | 0.01% | 1348 |
|
|
2013
Q4 | $379K | Sell |
9,521
-4,017
| -30% | -$143K | 0.01% | 1452 |
|
|
2013
Q3 | $508K | Sell |
13,538
-64,346
| -83% | -$1.92M | 0.01% | 1690 |
|
|
2013
Q2 | $2.09M | Buy |
+77,884
| New | +$1.66M | 0.04% | 447 |
|
Other funds holding IONS
Jane Street's IONS Position: Q2 2026 in Review
Jane Street increased its Ionis Pharmaceuticals (IONS) stake by 163% in Q2 2026, buying an estimated $23.5M and bringing the position to 503,647 shares worth $39.9M. The position accounts for ﹤0.01% of the portfolio, ranked #1590.
Jane Street first reported a position in IONS in Q2 2013 and has held it in 48 quarters since. 477 funds tracked by Wall St. Rank hold IONS as of Q2 2026.
- Jane Street held 503,647 shares of Ionis Pharmaceuticals worth $39.9M as of Q2 2026.
- Jane Street bought 311,829 Ionis Pharmaceuticals shares in Q2 2026, an estimated $23.5M.
- Ionis Pharmaceuticals made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #1590 holding.
- Jane Street first reported a position in Ionis Pharmaceuticals in Q2 2013 and has held it in 48 quarters since.
- 477 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q2 2026.
Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.