Russell Investments Group
IONS icon

Russell Investments Group’s Ionis Pharmaceuticals IONS Stock Holding History

Russell Investments 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 		$4.72M Buy
62,919
+19,007
+43% +$1.5M 0.01% 1381
2025
Q4 		$3.47M Sell
43,912
-33,381
-43% -$2.51M ﹤0.01% 1551
2025
Q3 		$5.06M Buy
77,293
+68,028
+734% +$3.32M 0.01% 1304
2025
Q2 		$366K Buy
9,265
+3,512
+61% +$115K ﹤0.01% 2460
2025
Q1 		$174K Sell
5,753
-56,447
-91% -$1.85M ﹤0.01% 2631
2024
Q4 		$2.17M Sell
62,200
-66,269
-52% -$2.48M ﹤0.01% 1630
2024
Q3 		$5.15M Sell
128,469
-4,267
-3% -$199K 0.01% 1167
2024
Q2 		$6.33M Sell
132,736
-20,679
-13% -$848K 0.01% 1039
2024
Q1 		$6.65M Sell
153,415
-4,387
-3% -$209K 0.01% 1036
2023
Q4 		$7.98M Buy
157,802
+71,807
+84% +$3.44M 0.01% 900
2023
Q3 		$3.9M Sell
85,995
-27,335
-24% -$1.13M 0.01% 1199
2023
Q2 		$4.65M Buy
113,330
+9,854
+10% +$379K 0.01% 1130
2023
Q1 		$3.7M Sell
103,476
-86,822
-46% -$3.26M 0.01% 1237
2022
Q4 		$7.19M Buy
190,298
+97,978
+106% +$4.12M 0.01% 917
2022
Q3 		$4.08M Sell
92,320
-6,914
-7% -$291K 0.01% 1160
2022
Q2 		$3.67M Sell
99,234
-184,896
-65% -$6.97M 0.01% 1251
2022
Q1 		$10.5M Buy
284,130
+89,985
+46% +$2.95M 0.02% 816
2021
Q4 		$5.91M Sell
194,145
-37,720
-16% -$1.19M 0.01% 1158
2021
Q3 		$7.77M Buy
231,865
+10,311
+5% +$389K 0.01% 1011
2021
Q2 		$8.84M Buy
221,554
+190,623
+616% +$7.47M 0.01% 1000
2021
Q1 		$1.39M Sell
30,931
-34,128
-52% -$1.9M ﹤0.01% 2094
2020
Q4 		$3.68M Sell
65,059
-8,948
-12% -$446K 0.01% 1412
2020
Q3 		$3.51M Sell
74,007
-7,324
-9% -$407K 0.01% 1334
2020
Q2 		$4.79M Buy
81,331
+19,244
+31% +$1.07M 0.01% 1120
2020
Q1 		$2.94M Buy
62,087
+39,963
+181% +$2.23M 0.01% 1259
2019
Q4 		$1.33M Sell
22,124
-466
-2% -$27.8K ﹤0.01% 1960
2019
Q3 		$1.35M Sell
22,590
-1,361
-6% -$88.7K ﹤0.01% 1863
2019
Q2 		$1.54M Buy
23,951
+7,960
+50% +$563K ﹤0.01% 1794
2019
Q1 		$1.3M Buy
15,991
+3,863
+32% +$249K ﹤0.01% 1928
2018
Q4 		$656K Hold
12,128
– – ﹤0.01% 2190
2018
Q3 		$626K Hold
12,128
– – ﹤0.01% 2293
2018
Q2 		$505K Hold
12,128
– – ﹤0.01% 2388
2018
Q1 		$535K Sell
12,128
-177
-1% -$8.99K ﹤0.01% 2453
2017
Q4 		$624K Hold
12,305
– – ﹤0.01% 2357
2017
Q3 		$624K Sell
12,305
-7,772
-39% -$407K ﹤0.01% 2357
2017
Q2 		$1.02M Buy
20,077
+3,538
+21% +$165K ﹤0.01% 2103
2017
Q1 		$665K Sell
16,539
-3,538
-18% -$159K ﹤0.01% 2311
2016
Q4 		$976K Buy
+20,077
New +$794K ﹤0.01% 2184

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

Russell Investments Group's IONS Position: Q1 2026 in Review

Russell Investments Group increased its Ionis Pharmaceuticals (IONS) stake by 43% in Q1 2026, buying an estimated $1.5M and bringing the position to 62,919 shares worth $4.72M. The position accounts for 0.01% of the portfolio, ranked #1381.

Russell Investments Group first reported a position in IONS in Q4 2016 and has held it in 38 quarters since. The position peaked at $10.5M in Q1 2022. 493 funds tracked by Wall St. Rank hold IONS as of Q1 2026.

  • Russell Investments Group held 62,919 shares of Ionis Pharmaceuticals worth $4.72M as of Q1 2026.
  • Russell Investments Group bought 19,007 Ionis Pharmaceuticals shares in Q1 2026, an estimated $1.5M.
  • Ionis Pharmaceuticals made up 0.01% of Russell Investments Group's portfolio in Q1 2026, its #1381 holding.
  • Russell Investments Group first reported a position in Ionis Pharmaceuticals in Q4 2016 and has held it in 38 quarters since.
  • Russell Investments Group's Ionis Pharmaceuticals position peaked at $10.5M in Q1 2022.
  • 493 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.

Based on Russell Investments Group's 13F filing for Q1 2026, filed 8 May 2026.