Northern Trust’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
$65.2M Buy
868,179
+21,461
+3% +$1.69M 0.01% 955
2025
Q4
$67M Buy
846,718
+1,775
+0.2% +$134K 0.01% 940
2025
Q3
$55.3M Buy
844,943
+30,693
+4% +$1.5M 0.01% 1070
2025
Q2
$32.2M Sell
814,250
-20,597
-2% -$674K ﹤0.01% 1369
2025
Q1
$25.2M Sell
834,847
-5,424
-0.6% -$178K ﹤0.01% 1492
2024
Q4
$29.4M Buy
840,271
+97,367
+13% +$3.64M ﹤0.01% 1456
2024
Q3
$29.8M Buy
742,904
+24,929
+3% +$1.16M ﹤0.01% 1376
2024
Q2
$34.2M Buy
717,975
+25,728
+4% +$1.06M 0.01% 1217
2024
Q1
$30M Buy
692,247
+4,261
+0.6% +$203K 0.01% 1322
2023
Q4
$34.8M Sell
687,986
-2,738
-0.4% -$131K 0.01% 1261
2023
Q3
$31.3M Buy
690,724
+19,646
+3% +$811K 0.01% 1248
2023
Q2
$27.5M Buy
671,078
+12,612
+2% +$485K 0.01% 1381
2023
Q1
$23.5M Buy
658,466
+18,777
+3% +$705K ﹤0.01% 1452
2022
Q4
$24.2M Buy
639,689
+16,049
+3% +$675K 0.01% 1409
2022
Q3
$27.6M Sell
623,640
-1,832
-0.3% -$77.2K 0.01% 1251
2022
Q2
$23.2M Sell
625,472
-23,062
-4% -$870K 0.01% 1425
2022
Q1
$24M Sell
648,534
-12,356
-2% -$404K ﹤0.01% 1540
2021
Q4
$20.1M Buy
660,890
+5,469
+0.8% +$172K ﹤0.01% 1767
2021
Q3
$22M Sell
655,421
-16,152
-2% -$609K ﹤0.01% 1735
2021
Q2
$26.8M Sell
671,573
-169,572
-20% -$6.64M ﹤0.01% 1685
2021
Q1
$37.8M Buy
841,145
+15,971
+2% +$891K 0.01% 1345
2020
Q4
$46.7M Sell
825,174
-6,362
-0.8% -$317K 0.01% 1121
2020
Q3
$39.5M Buy
831,536
+939
+0.1% +$52.2K 0.01% 1074
2020
Q2
$49M Sell
830,597
-4,896
-0.6% -$272K 0.01% 909
2020
Q1
$39.5M Buy
835,493
+37,206
+5% +$2.07M 0.01% 914
2019
Q4
$48.2M Sell
798,287
-971
-0.1% -$57.9K 0.01% 1044
2019
Q3
$47.9M Sell
799,258
-6,639
-0.8% -$433K 0.01% 1009
2019
Q2
$51.8M Buy
805,897
+153,326
+23% +$10.8M 0.01% 971
2019
Q1
$53M Buy
652,571
+5,781
+0.9% +$373K 0.01% 920
2018
Q4
$35M Buy
646,790
+6,578
+1% +$335K 0.01% 1125
2018
Q3
$33M Buy
640,212
+18,569
+3% +$872K 0.01% 1368
2018
Q2
$25.9M Buy
621,643
+21,286
+4% +$944K 0.01% 1566
2018
Q1
$26.5M Buy
600,357
+13,375
+2% +$679K 0.01% 1470
2017
Q4
$29.5M Sell
586,982
-4,396
-0.7% -$241K 0.01% 1407
2017
Q3
$30M Sell
591,378
-30,438
-5% -$1.59M 0.01% 1384
2017
Q2
$31.6M Buy
621,816
+44,750
+8% +$2.08M 0.01% 1319
2017
Q1
$23.2M Buy
577,066
+65,978
+13% +$2.96M 0.01% 1535
2016
Q4
$24.4M Buy
511,088
+2,604
+0.5% +$103K 0.01% 1453
2016
Q3
$18.6M Sell
508,484
-65,601
-11% -$2.05M 0.01% 1648
2016
Q2
$13.4M Buy
574,085
+24,171
+4% +$780K ﹤0.01% 1819
2016
Q1
$22.3M Buy
549,914
+10,488
+2% +$426K 0.01% 1413
2015
Q4
$33.4M Sell
539,426
-87,649
-14% -$4.73M 0.01% 1087
2015
Q3
$25.3M Sell
627,075
-771,179
-55% -$39.9M 0.01% 1316
2015
Q2
$80.5M Sell
1,398,254
-172,965
-11% -$11M 0.02% 594
2015
Q1
$100M Buy
1,571,219
+224,326
+17% +$15.2M 0.03% 510
2014
Q4
$83.2M Sell
1,346,893
-32,489
-2% -$1.6M 0.03% 567
2014
Q3
$53.6M Buy
1,379,382
+22,070
+2% +$782K 0.02% 739
2014
Q2
$46.8M Sell
1,357,312
-165,315
-11% -$5.21M 0.01% 842
2014
Q1
$65.8M Sell
1,522,627
-142,509
-9% -$6.91M 0.02% 657
2013
Q4
$66.3M Buy
1,665,136
+43,518
+3% +$1.55M 0.02% 614
2013
Q3
$60.9M Sell
1,621,618
-17,003
-1% -$508K 0.02% 609
2013
Q2
$44M Buy
+1,638,621
New +$34.8M 0.02% 734

Other funds holding IONS

Northern Trust's IONS Position: Q1 2026 in Review

Northern Trust increased its Ionis Pharmaceuticals (IONS) stake by 2.5% in Q1 2026, buying an estimated $1.69M and bringing the position to 868,179 shares worth $65.2M. The position accounts for 0.01% of the portfolio, ranked #955.

Northern Trust first reported a position in IONS in Q2 2013 and has held it in 52 quarters since. The position peaked at $100M in Q1 2015. 493 funds tracked by Wall St. Rank hold IONS as of Q1 2026.

  • Northern Trust held 868,179 shares of Ionis Pharmaceuticals worth $65.2M as of Q1 2026.
  • Northern Trust bought 21,461 Ionis Pharmaceuticals shares in Q1 2026, an estimated $1.69M.
  • Ionis Pharmaceuticals made up 0.01% of Northern Trust's portfolio in Q1 2026, its #955 holding.
  • Northern Trust first reported a position in Ionis Pharmaceuticals in Q2 2013 and has held it in 52 quarters since.
  • Northern Trust's Ionis Pharmaceuticals position peaked at $100M in Q1 2015.
  • 493 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.

Based on Northern Trust's 13F filing for Q1 2026, filed 14 May 2026.