Neuberger Berman Group
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Neuberger Berman Group’s Ionis Pharmaceuticals IONS Stock Holding History

Neuberger Berman 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 		$33.3M Buy
443,272
+335,228
+310% +$26.5M 0.03% 553
2025
Q4 		$8.55M Sell
108,044
-6,699
-6% -$504K 0.01% 841
2025
Q3 		$7.51M Buy
114,743
+120
+0.1% +$5.86K 0.01% 868
2025
Q2 		$4.53M Buy
114,623
+12,150
+12% +$398K ﹤0.01% 989
2025
Q1 		$3.09M Buy
102,473
+5,842
+6% +$191K ﹤0.01% 1025
2024
Q4 		$3.38M Buy
96,631
+31,757
+49% +$1.19M ﹤0.01% 1031
2024
Q3 		$2.6M Buy
64,874
+50,562
+353% +$2.35M ﹤0.01% 1075
2024
Q2 		$682K Buy
14,312
+78
+0.5% +$3.2K ﹤0.01% 1393
2024
Q1 		$617K Buy
14,234
+236
+2% +$11.2K ﹤0.01% 1435
2023
Q4 		$708K Sell
13,998
-1,536
-10% -$73.6K ﹤0.01% 1381
2023
Q3 		$705K Buy
15,534
+328
+2% +$13.5K ﹤0.01% 1358
2023
Q2 		$624K Buy
15,206
+74
+0.5% +$2.84K ﹤0.01% 1380
2023
Q1 		$541K Buy
15,132
+4,147
+38% +$156K ﹤0.01% 1432
2022
Q4 		$415K Sell
10,985
-214
-2% -$9K ﹤0.01% 1500
2022
Q3 		$495K Buy
11,199
+113
+1% +$4.76K ﹤0.01% 1474
2022
Q2 		$410K Buy
+11,086
New +$418K ﹤0.01% 1545
2019
Q1 		– Sell
-5,341
Closed -$289K – 1565
2018
Q4 		$289K Hold
5,341
– – ﹤0.01% 1376
2018
Q3 		$275K Sell
5,341
-15,611
-75% -$733K ﹤0.01% 1462
2018
Q2 		$873K Buy
20,952
+14,912
+247% +$661K ﹤0.01% 1272
2018
Q1 		$266K Sell
6,040
-4,832
-44% -$245K ﹤0.01% 1517
2017
Q4 		$547K Sell
10,872
-12,900
-54% -$707K ﹤0.01% 1382
2017
Q3 		$1.21M Sell
23,772
-5,640
-19% -$295K ﹤0.01% 1104
2017
Q2 		$1.5M Sell
29,412
-1,399
-5% -$65.1K ﹤0.01% 1067
2017
Q1 		$1.24M Sell
30,811
-12,396
-29% -$557K ﹤0.01% 1104
2016
Q4 		$2.07M Buy
43,207
+22,766
+111% +$901K ﹤0.01% 994
2016
Q3 		$749K Sell
20,441
-75
-0.4% -$2.35K ﹤0.01% 1175
2016
Q2 		$478K Buy
20,516
+3,948
+24% +$127K ﹤0.01% 1256
2016
Q1 		$671K Sell
16,568
-201
-1% -$8.16K ﹤0.01% 1191
2015
Q4 		$1.04M Sell
16,769
-6,968
-29% -$376K ﹤0.01% 1121
2015
Q3 		$959K Sell
23,737
-598
-2% -$31K ﹤0.01% 1170
2015
Q2 		$1.4M Buy
24,335
+352
+1% +$22.4K ﹤0.01% 1138
2015
Q1 		$1.53M Buy
23,983
+1,626
+7% +$110K ﹤0.01% 1120
2014
Q4 		$1.38M Sell
22,357
-1,687
-7% -$83.2K ﹤0.01% 1145
2014
Q3 		$933K Sell
24,044
-3,044
-11% -$108K ﹤0.01% 1261
2014
Q2 		$933K Sell
27,088
-3,636
-12% -$114K ﹤0.01% 1265
2014
Q1 		$1.33M Buy
30,724
+1,767
+6% +$85.7K ﹤0.01% 1168
2013
Q4 		$1.15M Sell
28,957
-2,719
-9% -$96.9K ﹤0.01% 1181
2013
Q3 		$1.19M Sell
31,676
-1,541
-5% -$46K ﹤0.01% 1164
2013
Q2 		$893K Buy
+33,217
New +$706K ﹤0.01% 1208

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

Neuberger Berman Group's IONS Position: Q1 2026 in Review

Neuberger Berman Group increased its Ionis Pharmaceuticals (IONS) stake by 310% in Q1 2026, buying an estimated $26.5M and bringing the position to 443,272 shares worth $33.3M. The position accounts for 0.03% of the portfolio, ranked #553.

Neuberger Berman Group first reported a position in IONS in Q2 2013 and has held it in 39 quarters since. 493 funds tracked by Wall St. Rank hold IONS as of Q1 2026.

  • Neuberger Berman Group held 443,272 shares of Ionis Pharmaceuticals worth $33.3M as of Q1 2026.
  • Neuberger Berman Group bought 335,228 Ionis Pharmaceuticals shares in Q1 2026, an estimated $26.5M.
  • Ionis Pharmaceuticals made up 0.03% of Neuberger Berman Group's portfolio in Q1 2026, its #553 holding.
  • Neuberger Berman Group first reported a position in Ionis Pharmaceuticals in Q2 2013 and has held it in 39 quarters since.
  • 493 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.

Based on Neuberger Berman Group's 13F filing for Q1 2026, filed 14 May 2026.