Skandinaviska Enskilda Banken (SEB)
IONS icon

Skandinaviska Enskilda Banken (SEB)’s Ionis Pharmaceuticals IONS Stock Holding History

Skandinaviska Enskilda Banken (SEB)’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 		– Sell
-115,293
Closed -$9.12M – 434
2025
Q4 		$9.12M Sell
115,293
-40,497
-26% -$3.05M 0.04% 299
2025
Q3 		$10.2M Buy
155,790
+96,164
+161% +$4.69M 0.04% 279
2025
Q2 		$2.36M Hold
59,626
– – 0.01% 558
2025
Q1 		$1.8M Hold
59,626
– – 0.01% 589
2024
Q4 		$2.08M Hold
59,626
– – 0.01% 568
2024
Q3 		$2.39M Hold
59,626
– – 0.01% 553
2024
Q2 		$2.85M Hold
59,626
– – 0.01% 486
2024
Q1 		$2.58M Hold
59,626
– – 0.01% 521
2023
Q4 		$3.02M Hold
59,626
– – 0.02% 489
2023
Q3 		$2.71M Hold
59,626
– – 0.02% 472
2023
Q2 		$2.45M Buy
59,626
+40,770
+216% +$1.57M 0.02% 511
2023
Q1 		$674K Sell
18,856
-880
-4% -$33K ﹤0.01% 740
2022
Q4 		$745K Sell
19,736
-1,142
-5% -$48K 0.01% 699
2022
Q3 		$923K Hold
20,878
– – 0.01% 696
2022
Q2 		$773K Hold
20,878
– – 0.01% 745
2022
Q1 		$773K Hold
20,878
– – ﹤0.01% 791
2021
Q4 		$638K Hold
20,878
– – ﹤0.01% 824
2021
Q3 		$700K Sell
20,878
-11,415
-35% -$430K ﹤0.01% 837
2021
Q2 		$1.29M Sell
32,293
-22,200
-41% -$870K 0.01% 766
2021
Q1 		$2.45M Buy
54,493
+10,889
+25% +$607K 0.02% 598
2020
Q4 		$2.46M Sell
43,604
-55
-0.1% -$2.74K 0.02% 570
2020
Q3 		$2.07M Sell
43,659
-50,941
-54% -$2.83M 0.02% 560
2020
Q2 		$5.58M Buy
94,600
+7,200
+8% +$401K 0.05% 307
2020
Q1 		$4.13M Sell
87,400
-8,600
-9% -$479K 0.04% 304
2019
Q4 		$5.8M Buy
96,000
+1,400
+1% +$83.4K 0.05% 298
2019
Q3 		$5.67M Buy
94,600
+86,500
+1,068% +$5.64M 0.05% 300
2019
Q2 		$521K Buy
+8,100
New +$573K ﹤0.01% 730
2016
Q2 		– Sell
-6,400
Closed -$259K – 724
2016
Q1 		$259K Sell
6,400
-8,300
-56% -$337K ﹤0.01% 677
2015
Q4 		$901K Buy
+14,700
New +$793K 0.01% 528

Other funds holding IONS

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Skandinaviska Enskilda Banken (SEB)'s IONS Position: Q1 2026 in Review

Skandinaviska Enskilda Banken (SEB) sold out of Ionis Pharmaceuticals (IONS) in Q1 2026, closing a stake of 115,293 shares — an estimated $9.12M sold.

Skandinaviska Enskilda Banken (SEB) first reported a position in IONS in Q4 2015 and held it in 29 quarters. The position peaked at $10.2M in Q3 2025. 496 funds tracked by Wall St. Rank hold IONS as of Q1 2026.

  • Skandinaviska Enskilda Banken (SEB) reported no remaining Ionis Pharmaceuticals position as of Q1 2026 after selling out during the quarter.
  • Skandinaviska Enskilda Banken (SEB) sold 115,293 Ionis Pharmaceuticals shares in Q1 2026, an estimated $9.12M.
  • Skandinaviska Enskilda Banken (SEB) first reported a position in Ionis Pharmaceuticals in Q4 2015 and held it in 29 quarters.
  • Skandinaviska Enskilda Banken (SEB)'s Ionis Pharmaceuticals position peaked at $10.2M in Q3 2025.
  • 496 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.

Based on Skandinaviska Enskilda Banken (SEB)'s 13F filing for Q1 2026, filed 15 May 2026.