Susquehanna International Group’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
$34.1M Buy
454,300
+162,200
+56% +$12.8M ﹤0.01% 1607
2025
Q4
$23.1M Buy
292,100
+85,400
+41% +$6.43M ﹤0.01% 2054
2025
Q3
$13.5M Buy
206,700
+109,400
+112% +$5.34M ﹤0.01% 2631
2025
Q2
$3.84M Buy
97,300
+800
+0.8% +$26.2K ﹤0.01% 4476
2025
Q1
$2.91M Sell
96,500
-7,800
-7% -$255K ﹤0.01% 4710
2024
Q4
$3.65M Buy
104,300
+45,600
+78% +$1.7M ﹤0.01% 4104
2024
Q3
$2.35M Sell
58,700
-63,000
-52% -$2.93M ﹤0.01% 4972
2024
Q2
$5.8M Sell
121,700
-69,700
-36% -$2.86M ﹤0.01% 3208
2024
Q1
$8.3M Buy
191,400
+34,700
+22% +$1.65M ﹤0.01% 2885
2023
Q4
$7.93M Buy
156,700
+40,500
+35% +$1.94M ﹤0.01% 2975
2023
Q3
$5.27M Sell
116,200
-31,800
-21% -$1.31M ﹤0.01% 3426
2023
Q2
$6.07M Buy
148,000
+107,300
+264% +$4.12M ﹤0.01% 3212
2023
Q1
$1.45M Sell
40,700
-25,500
-39% -$958K ﹤0.01% 5875
2022
Q4
$2.5M Sell
66,200
-15,600
-19% -$656K ﹤0.01% 4319
2022
Q3
$3.62M Sell
81,800
-11,000
-12% -$463K ﹤0.01% 3716
2022
Q2
$3.44M Sell
92,800
-36,900
-28% -$1.39M ﹤0.01% 3831
2022
Q1
$4.8M Sell
129,700
-62,100
-32% -$2.03M ﹤0.01% 3701
2021
Q4
$5.84M Buy
191,800
+50,900
+36% +$1.6M ﹤0.01% 3491
2021
Q3
$4.73M Sell
140,900
-91,800
-39% -$3.46M ﹤0.01% 4051
2021
Q2
$9.28M Sell
232,700
-3,100
-1% -$121K ﹤0.01% 3028
2021
Q1
$10.6M Buy
235,800
+100,200
+74% +$5.59M ﹤0.01% 2681
2020
Q4
$7.67M Sell
135,600
-23,500
-15% -$1.17M ﹤0.01% 2826
2020
Q3
$7.55M Sell
159,100
-21,000
-12% -$1.17M ﹤0.01% 2549
2020
Q2
$10.6M Sell
180,100
-90,700
-33% -$5.05M ﹤0.01% 2063
2020
Q1
$12.8M Sell
270,800
-421,300
-61% -$23.5M ﹤0.01% 1509
2019
Q4
$41.8M Buy
692,100
+14,300
+2% +$852K 0.01% 928
2019
Q3
$40.6M Buy
677,800
+242,400
+56% +$15.8M 0.01% 859
2019
Q2
$28M Sell
435,400
-295,700
-40% -$20.9M 0.01% 1053
2019
Q1
$59.3M Buy
731,100
+247,800
+51% +$16M 0.02% 537
2018
Q4
$26.1M Sell
483,300
-264,000
-35% -$13.5M 0.01% 927
2018
Q3
$38.5M Buy
747,300
+166,100
+29% +$7.8M 0.01% 843
2018
Q2
$24.2M Buy
581,200
+169,100
+41% +$7.5M 0.01% 1151
2018
Q1
$18.2M Sell
412,100
-27,000
-6% -$1.37M 0.01% 1286
2017
Q4
$22.1M Sell
439,100
-145,500
-25% -$7.98M 0.01% 1183
2017
Q3
$29.6M Buy
584,600
+121,700
+26% +$6.37M 0.01% 954
2017
Q2
$23.5M Sell
462,900
-29,400
-6% -$1.37M 0.01% 1037
2017
Q1
$19.8M Sell
492,300
-172,300
-26% -$7.74M 0.01% 1073
2016
Q4
$31.8M Sell
664,600
-34,700
-5% -$1.37M 0.02% 766
2016
Q3
$25.6M Sell
699,300
-26,900
-4% -$842K 0.01% 855
2016
Q2
$16.9M Buy
726,200
+153,700
+27% +$4.96M 0.01% 1083
2016
Q1
$23.2M Sell
572,500
-294,400
-34% -$12M 0.01% 908
2015
Q4
$53.7M Sell
866,900
-74,100
-8% -$4M 0.02% 571
2015
Q3
$38M Sell
941,000
-218,900
-19% -$11.3M 0.02% 781
2015
Q2
$66.8M Buy
1,159,900
+88,200
+8% +$5.61M 0.03% 543
2015
Q1
$68.2M Sell
1,071,700
-66,300
-6% -$4.5M 0.03% 505
2014
Q4
$70.3M Sell
1,138,000
-238,700
-17% -$11.8M 0.03% 551
2014
Q3
$53.5M Buy
1,376,700
+95,000
+7% +$3.37M 0.02% 712
2014
Q2
$44.2M Buy
1,281,700
+280,700
+28% +$8.84M 0.02% 785
2014
Q1
$43.3M Buy
1,001,000
+132,800
+15% +$6.44M 0.02% 708
2013
Q4
$34.6M Buy
868,200
+354,800
+69% +$12.6M 0.02% 890
2013
Q3
$19.3M Buy
513,400
+71,300
+16% +$2.13M 0.01% 1238
2013
Q2
$11.9M Buy
+442,100
New +$9.4M 0.01% 1594

Other funds holding IONS

Susquehanna International Group's IONS Position: Q1 2026 in Review

Susquehanna International Group reduced its Ionis Pharmaceuticals (IONS) stake by 62% in Q1 2026, selling an estimated $1.59M and leaving 12,359 shares worth $928K. The position accounts for ﹤0.01% of the portfolio, ranked #8076.

Susquehanna International Group first reported a position in IONS in Q2 2013 and has held it in 49 quarters since. The position peaked at $36.5M in Q2 2015. 493 funds tracked by Wall St. Rank hold IONS as of Q1 2026.

  • Susquehanna International Group held 12,359 shares of Ionis Pharmaceuticals worth $928K as of Q1 2026.
  • Susquehanna International Group sold 20,145 Ionis Pharmaceuticals shares in Q1 2026, an estimated $1.59M.
  • Ionis Pharmaceuticals made up ﹤0.01% of Susquehanna International Group's portfolio in Q1 2026, its #8076 holding.
  • Susquehanna International Group first reported a position in Ionis Pharmaceuticals in Q2 2013 and has held it in 49 quarters since.
  • Susquehanna International Group's Ionis Pharmaceuticals position peaked at $36.5M in Q2 2015.
  • 493 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.

Based on Susquehanna International Group's 13F filing for Q1 2026, filed 15 May 2026.