Susquehanna International Group
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Susquehanna International Group’s Ionis Pharmaceuticals IONS Stock Holding History

Susquehanna International Group’s Portfolio IONS Stock Details IONS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$928K Sell
12,359
-20,145
-62% -$1.59M ﹤0.01% 8076
2025
Q4 		$2.57M Sell
32,504
-388,446
-92% -$29.2M ﹤0.01% 5153
2025
Q3 		$27.5M Buy
+420,950
New +$20.6M ﹤0.01% 1875
2025
Q2 		– Sell
-71,811
Closed -$2.35M – 13172
2025
Q1 		$2.17M Buy
71,811
+45,747
+176% +$1.5M ﹤0.01% 5345
2024
Q4 		$911K Sell
26,064
-31,175
-54% -$1.17M ﹤0.01% 7189
2024
Q3 		$2.29M Sell
57,239
-38,619
-40% -$1.8M ﹤0.01% 5009
2024
Q2 		$4.57M Sell
95,858
-43,203
-31% -$1.77M ﹤0.01% 3597
2024
Q1 		$6.03M Buy
139,061
+84,928
+157% +$4.05M ﹤0.01% 3336
2023
Q4 		$2.74M Sell
54,133
-34,606
-39% -$1.66M ﹤0.01% 4737
2023
Q3 		$4.03M Sell
88,739
-78,777
-47% -$3.25M ﹤0.01% 3894
2023
Q2 		$6.87M Buy
167,516
+111,596
+200% +$4.29M ﹤0.01% 3026
2023
Q1 		$2M Sell
55,920
-1,952
-3% -$73.3K ﹤0.01% 5149
2022
Q4 		$2.19M Buy
57,872
+17,002
+42% +$715K ﹤0.01% 4537
2022
Q3 		$1.81M Buy
40,870
+3,317
+9% +$140K ﹤0.01% 5125
2022
Q2 		$1.39M Sell
37,553
-12,173
-24% -$459K ﹤0.01% 5732
2022
Q1 		$1.84M Sell
49,726
-154,529
-76% -$5.06M ﹤0.01% 5666
2021
Q4 		$6.21M Buy
204,255
+30,089
+17% +$947K ﹤0.01% 3391
2021
Q3 		$5.84M Sell
174,166
-206,300
-54% -$7.77M ﹤0.01% 3683
2021
Q2 		$15.2M Buy
380,466
+292,195
+331% +$11.4M ﹤0.01% 2363
2021
Q1 		$3.97M Buy
88,271
+39,578
+81% +$2.21M ﹤0.01% 4368
2020
Q4 		$2.75M Sell
48,693
-229,193
-82% -$11.4M ﹤0.01% 4456
2020
Q3 		$13.2M Sell
277,886
-44,520
-14% -$2.47M ﹤0.01% 1892
2020
Q2 		$19M Sell
322,406
-56,087
-15% -$3.12M ﹤0.01% 1469
2020
Q1 		$17.9M Buy
378,493
+220,271
+139% +$12.3M 0.01% 1256
2019
Q4 		$9.56M Sell
158,222
-66,173
-29% -$3.94M ﹤0.01% 2129
2019
Q3 		$13.4M Buy
224,395
+33,279
+17% +$2.17M ﹤0.01% 1678
2019
Q2 		$12.3M Buy
191,116
+174,810
+1,072% +$12.4M ﹤0.01% 1693
2019
Q1 		$1.32M Sell
16,306
-101,977
-86% -$6.58M ﹤0.01% 4463
2018
Q4 		$6.39M Buy
118,283
+4,063
+4% +$207K ﹤0.01% 2025
2018
Q3 		$5.89M Sell
114,220
-217,303
-66% -$10.2M ﹤0.01% 2488
2018
Q2 		$13.8M Buy
331,523
+152,447
+85% +$6.76M ﹤0.01% 1628
2018
Q1 		$7.89M Buy
179,076
+5,195
+3% +$264K ﹤0.01% 2027
2017
Q4 		$8.75M Buy
173,881
+63,971
+58% +$3.51M ﹤0.01% 1940
2017
Q3 		$5.57M Buy
109,910
+104,495
+1,930% +$5.47M ﹤0.01% 2370
2017
Q2 		$275K Buy
+5,415
New +$252K ﹤0.01% 7729
2016
Q4 		– Sell
-251,214
Closed -$9.94M – 9838
2016
Q3 		$9.2M Sell
251,214
-146,272
-37% -$4.58M ﹤0.01% 1591
2016
Q2 		$9.26M Buy
397,486
+31,228
+9% +$1.01M 0.01% 1514
2016
Q1 		$14.8M Buy
366,258
+69,069
+23% +$2.81M 0.01% 1204
2015
Q4 		$18.4M Sell
297,189
-287,480
-49% -$15.5M 0.01% 1209
2015
Q3 		$23.6M Sell
584,669
-49,143
-8% -$2.54M 0.01% 1072
2015
Q2 		$36.5M Buy
633,812
+179,819
+40% +$11.4M 0.02% 872
2015
Q1 		$28.9M Sell
453,993
-34,261
-7% -$2.32M 0.01% 967
2014
Q4 		$30.1M Sell
488,254
-231,059
-32% -$11.4M 0.01% 1029
2014
Q3 		$27.9M Sell
719,313
-67,147
-9% -$2.38M 0.01% 1123
2014
Q2 		$27.1M Buy
786,460
+414,431
+111% +$13M 0.01% 1129
2014
Q1 		$16.1M Buy
372,029
+315,303
+556% +$15.3M 0.01% 1486
2013
Q4 		$2.26M Sell
56,726
-196,139
-78% -$6.99M ﹤0.01% 4065
2013
Q3 		$9.49M Sell
252,865
-49,639
-16% -$1.48M 0.01% 1964
2013
Q2 		$8.13M Buy
+302,504
New +$6.43M ﹤0.01% 2039

Other funds holding IONS

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

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.