Barclays’s Ionis Pharmaceuticals IONS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$21.8M Sell
289,874
-552,997
-66% -$43.6M 0.01% 1059
2025
Q4
$66.7M Buy
842,871
+128,823
+18% +$9.7M 0.02% 646
2025
Q3
$46.7M Buy
714,048
+130,782
+22% +$6.39M 0.01% 807
2025
Q2
$23M Buy
583,266
+229,329
+65% +$7.5M 0.01% 1056
2025
Q1
$10.7M Sell
353,937
-242,135
-41% -$7.93M ﹤0.01% 1359
2024
Q4
$20.8M Sell
596,072
-40,960
-6% -$1.53M 0.01% 1101
2024
Q3
$25.5M Buy
637,032
+21,358
+3% +$994K 0.01% 946
2024
Q2
$29.3M Buy
615,674
+38,287
+7% +$1.57M 0.01% 807
2024
Q1
$25M Sell
577,387
-67,121
-10% -$3.2M 0.01% 890
2023
Q4
$32.6M Buy
644,508
+4,955
+0.8% +$237K 0.01% 858
2023
Q3
$29M Buy
639,553
+97,321
+18% +$4.02M 0.02% 656
2023
Q2
$22.2M Buy
542,232
+83,415
+18% +$3.21M 0.01% 687
2023
Q1
$16.4M Sell
458,817
-48,494
-10% -$1.82M 0.01% 935
2022
Q4
$19.2M Buy
507,311
+2,823
+0.6% +$119K 0.01% 914
2022
Q3
$22.3M Buy
504,488
+149,909
+42% +$6.32M 0.02% 571
2022
Q2
$13.1M Buy
354,579
+38,229
+12% +$1.44M 0.01% 900
2022
Q1
$11.7M Sell
316,350
-13,588
-4% -$445K 0.01% 858
2021
Q4
$10M Sell
329,938
-353
-0.1% -$11.1K ﹤0.01% 1267
2021
Q3
$11.1M Sell
330,291
-33,705
-9% -$1.27M 0.01% 1147
2021
Q2
$14.5M Buy
363,996
+265,225
+269% +$10.4M 0.01% 1035
2021
Q1
$4.44M Buy
98,771
+29,106
+42% +$1.62M ﹤0.01% 1616
2020
Q4
$3.94M Sell
69,665
-6,182
-8% -$308K ﹤0.01% 1686
2020
Q3
$3.6M Sell
75,847
-3,954
-5% -$220K ﹤0.01% 1632
2020
Q2
$4.71M Buy
79,801
+16,979
+27% +$945K ﹤0.01% 1420
2020
Q1
$2.97M Sell
62,822
-32,258
-34% -$1.8M ﹤0.01% 1916
2019
Q4
$5.74M Buy
95,080
+40,921
+76% +$2.44M ﹤0.01% 1862
2019
Q3
$3.24M Sell
54,159
-204,634
-79% -$13.3M ﹤0.01% 2299
2019
Q2
$16.6M Buy
258,793
+140,885
+119% +$9.96M 0.01% 1033
2019
Q1
$9.57M Buy
117,908
+55,351
+88% +$3.57M 0.01% 1253
2018
Q4
$3.38M Sell
62,557
-12,479
-17% -$636K ﹤0.01% 1900
2018
Q3
$3.87M Buy
75,036
+61,681
+462% +$2.9M ﹤0.01% 2086
2018
Q2
$556K Sell
13,355
-51,490
-79% -$2.28M ﹤0.01% 3841
2018
Q1
$2.86M Buy
64,845
+51,577
+389% +$2.62M ﹤0.01% 2118
2017
Q4
$667K Sell
13,268
-29,739
-69% -$1.63M ﹤0.01% 3527
2017
Q3
$2.18M Buy
43,007
+30,256
+237% +$1.58M ﹤0.01% 2254
2017
Q2
$649K Sell
12,751
-61,439
-83% -$2.86M ﹤0.01% 3265
2017
Q1
$2.98M Buy
74,190
+28,562
+63% +$1.28M ﹤0.01% 1716
2016
Q4
$2.18M Buy
45,628
+11,077
+32% +$438K ﹤0.01% 2048
2016
Q3
$1.26M Sell
34,551
-106,115
-75% -$3.32M ﹤0.01% 2406
2016
Q2
$3.28M Buy
140,666
+78,330
+126% +$2.53M ﹤0.01% 1614
2016
Q1
$2.49M Sell
62,336
-6,659
-10% -$270K ﹤0.01% 1729
2015
Q4
$4.21M Sell
68,995
-29,766
-30% -$1.61M 0.01% 1444
2015
Q3
$3.95M Buy
98,761
+17,820
+22% +$922K ﹤0.01% 1528
2015
Q2
$4.62M Sell
80,941
-21,998
-21% -$1.4M 0.01% 1549
2015
Q1
$6.49M Buy
102,939
+22,265
+28% +$1.51M 0.01% 1364
2014
Q4
$4.92M Sell
80,674
-33,278
-29% -$1.64M ﹤0.01% 1718
2014
Q3
$4.33M Sell
113,952
-65,505
-37% -$2.32M ﹤0.01% 1916
2014
Q2
$6.1M Buy
179,457
+81,525
+83% +$2.57M 0.01% 1557
2014
Q1
$4.21M Buy
97,932
+2,991
+3% +$145K ﹤0.01% 1843
2013
Q4
$3.7M Buy
94,941
+38,869
+69% +$1.38M ﹤0.01% 2068
2013
Q3
$2.08M Buy
56,072
+21,400
+62% +$639K ﹤0.01% 2532
2013
Q2
$931K Buy
+34,672
New +$737K ﹤0.01% 3467

Other funds holding IONS

Barclays's IONS Position: Q1 2026 in Review

Barclays reduced its Ionis Pharmaceuticals (IONS) stake by 66% in Q1 2026, selling an estimated $43.6M and leaving 289,874 shares worth $21.8M. The position accounts for 0.01% of the portfolio, ranked #1059.

Barclays first reported a position in IONS in Q2 2013 and has held it in 52 quarters since. The position peaked at $66.7M in Q4 2025. 493 funds tracked by Wall St. Rank hold IONS as of Q1 2026.

  • Barclays held 289,874 shares of Ionis Pharmaceuticals worth $21.8M as of Q1 2026.
  • Barclays sold 552,997 Ionis Pharmaceuticals shares in Q1 2026, an estimated $43.6M.
  • Ionis Pharmaceuticals made up 0.01% of Barclays's portfolio in Q1 2026, its #1059 holding.
  • Barclays first reported a position in Ionis Pharmaceuticals in Q2 2013 and has held it in 52 quarters since.
  • Barclays's Ionis Pharmaceuticals position peaked at $66.7M in Q4 2025.
  • 493 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.

Based on Barclays's 13F filing for Q1 2026, filed 15 May 2026.