California Public Employees Retirement System’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 | $19.2M | Buy |
255,485
+42,117
| +20% | +$3.32M | 0.01% | 635 |
|
|
2025
Q4 | $16.9M | Sell |
213,368
-2,477
| -1% | -$187K | 0.01% | 689 |
|
|
2025
Q3 | $14.1M | Buy |
215,845
+13,852
| +7% | +$676K | 0.01% | 777 |
|
|
2025
Q2 | $7.98M | Buy |
201,993
+10,989
| +6% | +$360K | 0.01% | 943 |
|
|
2025
Q1 | $5.76M | Sell |
191,004
-1,126
| -0.6% | -$36.9K | ﹤0.01% | 1002 |
|
|
2024
Q4 | $6.72M | Sell |
192,130
-19,626
| -9% | -$734K | ﹤0.01% | 988 |
|
|
2024
Q3 | $8.48M | Buy |
211,756
+15,272
| +8% | +$711K | 0.01% | 965 |
|
|
2024
Q2 | $9.36M | Sell |
196,484
-7,461
| -4% | -$306K | 0.01% | 894 |
|
|
2024
Q1 | $8.84M | Sell |
203,945
-5,491
| -3% | -$262K | 0.01% | 932 |
|
|
2023
Q4 | $10.6M | Sell |
209,436
-445,935
| -68% | -$21.4M | 0.01% | 842 |
|
|
2023
Q3 | $29.7M | Buy |
655,371
+397,897
| +155% | +$16.4M | 0.03% | 473 |
|
|
2023
Q2 | $10.6M | Sell |
257,474
-24,852
| -9% | -$955K | 0.01% | 837 |
|
|
2023
Q1 | $10.1M | Sell |
282,326
-47,511
| -14% | -$1.78M | 0.01% | 858 |
|
|
2022
Q4 | $12.5M | Buy |
329,837
+6,251
| +2% | +$263K | 0.01% | 804 |
|
|
2022
Q3 | $14.3M | Buy |
323,586
+41,204
| +15% | +$1.74M | 0.01% | 705 |
|
|
2022
Q2 | $10.5M | Sell |
282,382
-12,433
| -4% | -$469K | 0.01% | 795 |
|
|
2022
Q1 | $10.9M | Buy |
294,815
+10,391
| +4% | +$340K | 0.01% | 886 |
|
|
2021
Q4 | $8.65M | Sell |
284,424
-3,704
| -1% | -$117K | 0.01% | 1037 |
|
|
2021
Q3 | $9.66M | Sell |
288,128
-32,552
| -10% | -$1.23M | 0.01% | 1019 |
|
|
2021
Q2 | $12.8M | Buy |
320,680
+4,103
| +1% | +$161K | 0.01% | 891 |
|
|
2021
Q1 | $14.2M | Buy |
316,577
+15,771
| +5% | +$880K | 0.01% | 848 |
|
|
2020
Q4 | $17M | Buy |
300,806
+2,823
| +0.9% | +$141K | 0.01% | 734 |
|
|
2020
Q3 | $14.1M | Buy |
297,983
+7,307
| +3% | +$406K | 0.01% | 698 |
|
|
2020
Q2 | $17.1M | Buy |
290,676
+4,123
| +1% | +$229K | 0.02% | 584 |
|
|
2020
Q1 | $13.5M | Sell |
286,553
-16,100
| -5% | -$897K | 0.02% | 579 |
|
|
2019
Q4 | $18.3M | Buy |
302,653
+11,282
| +4% | +$672K | 0.02% | 643 |
|
|
2019
Q3 | $17.5M | Buy |
291,371
+74,015
| +34% | +$4.82M | 0.02% | 622 |
|
|
2019
Q2 | $14M | Buy |
217,356
+6,948
| +3% | +$491K | 0.02% | 626 |
|
|
2019
Q1 | $17.1M | Buy |
210,408
+22,285
| +12% | +$1.44M | 0.02% | 584 |
|
|
2018
Q4 | $10.2M | Sell |
188,123
-9,077
| -5% | -$463K | 0.01% | 752 |
|
|
2018
Q3 | $10.2M | Sell |
197,200
-14,700
| -7% | -$691K | 0.01% | 877 |
|
|
2018
Q2 | $8.83M | Sell |
211,900
-42,200
| -17% | -$1.87M | 0.01% | 966 |
|
|
2018
Q1 | $11.2M | Sell |
254,100
-12,200
| -5% | -$620K | 0.02% | 842 |
|
|
2017
Q4 | $13.4M | Buy |
266,300
+43,400
| +19% | +$2.38M | 0.02% | 770 |
|
|
2017
Q3 | $11.3M | Buy |
222,900
+3,600
| +2% | +$189K | 0.02% | 804 |
|
|
2017
Q2 | $11.2M | Buy |
219,300
+4,800
| +2% | +$224K | 0.02% | 779 |
|
|
2017
Q1 | $8.62M | Sell |
214,500
-9,300
| -4% | -$418K | 0.01% | 921 |
|
|
2016
Q4 | $10.7M | Hold |
223,800
| – | – | 0.02% | 801 |
|
|
2016
Q3 | $8.2M | Sell |
223,800
-15,400
| -6% | -$482K | 0.01% | 947 |
|
|
2016
Q2 | $5.57M | Sell |
239,200
-7,500
| -3% | -$242K | 0.01% | 1210 |
|
|
2016
Q1 | $9.99M | Sell |
246,700
-27,200
| -10% | -$1.1M | 0.02% | 831 |
|
|
2015
Q4 | $17M | Sell |
273,900
-11,400
| -4% | -$615K | 0.03% | 618 |
|
|
2015
Q3 | $11.5M | Hold |
285,300
| – | – | 0.02% | 765 |
|
|
2015
Q2 | $16.4M | Buy |
285,300
+28,500
| +11% | +$1.81M | 0.02% | 663 |
|
|
2015
Q1 | $18.6M | Hold |
256,800
| – | – | 0.03% | 645 |
|
|
2014
Q4 | $18.6M | Hold |
256,800
| – | – | 0.03% | 645 |
|
|
2014
Q3 | $9.97M | Hold |
256,800
| – | – | 0.01% | 947 |
|
|
2014
Q2 | $8.85M | Buy |
256,800
+44,900
| +21% | +$1.41M | 0.01% | 1061 |
|
|
2014
Q1 | $7.77M | Sell |
211,900
-15,000
| -7% | -$727K | 0.01% | 1096 |
|
|
2013
Q4 | $9.3M | Sell |
226,900
-4,994
| -2% | -$178K | 0.01% | 982 |
|
|
2013
Q3 | $8.71M | Buy |
231,894
+43,100
| +23% | +$1.29M | 0.02% | 906 |
|
|
2013
Q2 | $5.07M | Buy |
+188,794
| New | +$4.01M | 0.01% | 1106 |
|
Other funds holding IONS
VPM
VCM
California Public Employees Retirement System's IONS Position: Q1 2026 in Review
California Public Employees Retirement System increased its Ionis Pharmaceuticals (IONS) stake by 20% in Q1 2026, buying an estimated $3.32M and bringing the position to 255,485 shares worth $19.2M. The position accounts for 0.01% of the portfolio, ranked #635.
California Public Employees Retirement System first reported a position in IONS in Q2 2013 and has held it in 52 quarters since. The position peaked at $29.7M in Q3 2023. 493 funds tracked by Wall St. Rank hold IONS as of Q1 2026.
- California Public Employees Retirement System held 255,485 shares of Ionis Pharmaceuticals worth $19.2M as of Q1 2026.
- California Public Employees Retirement System bought 42,117 Ionis Pharmaceuticals shares in Q1 2026, an estimated $3.32M.
- Ionis Pharmaceuticals made up 0.01% of California Public Employees Retirement System's portfolio in Q1 2026, its #635 holding.
- California Public Employees Retirement System first reported a position in Ionis Pharmaceuticals in Q2 2013 and has held it in 52 quarters since.
- California Public Employees Retirement System's Ionis Pharmaceuticals position peaked at $29.7M in Q3 2023.
- 493 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.
Based on California Public Employees Retirement System's 13F filing for Q1 2026, filed 6 May 2026.