Schroder Investment Management Group
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Schroder Investment Management Group’s Ionis Pharmaceuticals IONS Stock Holding History

Schroder Investment Management 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
2025
Q3 		– Sell
-45,950
Closed -$1.82M – 1221
2025
Q2 		$1.82M Hold
45,950
– – ﹤0.01% 923
2025
Q1 		$1.43M Sell
45,950
-54,709
-54% -$1.79M ﹤0.01% 949
2024
Q4 		$3.52M Buy
100,659
+44,437
+79% +$1.66M ﹤0.01% 834
2024
Q3 		$2.3M Hold
56,222
– – ﹤0.01% 917
2024
Q2 		$2.68M Sell
56,222
-59,436
-51% -$2.44M ﹤0.01% 892
2024
Q1 		$5.01M Buy
115,658
+72,658
+169% +$3.46M 0.01% 780
2023
Q4 		$2.18M Buy
+43,000
New +$2.06M ﹤0.01% 893
2021
Q2 		– Sell
-589
Closed -$26K – 1561
2021
Q1 		$26K Sell
589
-240
-29% -$13.4K ﹤0.01% 1450
2020
Q4 		$47K Sell
829
-118
-12% -$5.88K ﹤0.01% 1394
2020
Q3 		$43K Sell
947
-325
-26% -$18.1K ﹤0.01% 1271
2020
Q2 		$75K Sell
1,272
-120
-9% -$6.67K ﹤0.01% 1168
2020
Q1 		$71K Buy
+1,392
New +$77.6K ﹤0.01% 1204
2019
Q4 		– Sell
-18,647
Closed -$1.1M – 1310
2019
Q3 		$1.1M Buy
+18,647
New +$1.22M ﹤0.01% 973
2019
Q2 		– Sell
-11,460
Closed -$930K – 1221
2019
Q1 		$930K Sell
11,460
-524
-4% -$33.8K ﹤0.01% 913
2018
Q4 		$648 Sell
11,984
-2,096
-15% -$107K ﹤0.01% 960
2018
Q3 		$726K Buy
+14,080
New +$662K ﹤0.01% 983
2017
Q4 		– Sell
-5,047
Closed -$266K – 1362
2017
Q3 		$266K Sell
5,047
-2,702
-35% -$142K ﹤0.01% 1164
2017
Q2 		$401K Buy
+7,749
New +$361K ﹤0.01% 1092

Other funds holding IONS

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 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
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
BG
Bellevue Group Kuesnacht, Switzerland $4.2B AUM 54.85% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Schroder Investment Management Group's IONS Position: Q3 2025 in Review

Schroder Investment Management Group sold out of Ionis Pharmaceuticals (IONS) in Q3 2025, closing a stake of 45,950 shares — an estimated $1.82M sold.

Schroder Investment Management Group first reported a position in IONS in Q2 2017 and held it in 18 quarters. The position peaked at $5.01M in Q1 2024. 435 funds tracked by Wall St. Rank hold IONS as of Q3 2025.

  • Schroder Investment Management Group reported no remaining Ionis Pharmaceuticals position as of Q3 2025 after selling out during the quarter.
  • Schroder Investment Management Group sold 45,950 Ionis Pharmaceuticals shares in Q3 2025, an estimated $1.82M.
  • Schroder Investment Management Group first reported a position in Ionis Pharmaceuticals in Q2 2017 and held it in 18 quarters.
  • Schroder Investment Management Group's Ionis Pharmaceuticals position peaked at $5.01M in Q1 2024.
  • 435 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q3 2025.

Based on Schroder Investment Management Group's 13F filing for Q3 2025, filed 13 Nov 2025.