IONIS PHARMACEUTICALS INC - NOTE 1.750% 6/1 Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2024 to Q4 2025

Type / Class
Debt / NOTE 1.750% 6/1
Market price (% of par)
158.88%
All holders as of 31 Dec 2025
Q4 2025
Total 13F principal
$532,616,124
Total reported market value
$845,206,245
Principal change
+$10,695,124
Market value change
+$20,434,352
Number of holders
51
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

As of 31 Dec 2025, 51 institutional investors reported holding $532,616,124 in principal (par value) of IONIS PHARMACEUTICALS INC - NOTE 1.750% 6/1.

Institutional Holders of IONIS PHARMACEUTICALS INC - NOTE 1.750% 6/1 across Reporting Periods

Period Principal Value Change Price (% of par) (Median) Investors
2025 Q4 $532,616,124 $845,206,245 +$20,434,352 158.88% 51
2025 Q3 $527,564,000 $728,922,840 +$73,809,913 138.19% 43
2025 Q2 $524,377,000 $551,732,968 -$19,984,608 105.23% 49
2025 Q1 $543,071,999 $527,593,360 +$26,084,539 97.03% 44
2024 Q4 $501,937,000 $496,020,369 +$34,620,755 98.67% 46
2024 Q3 $462,946,000 $480,308,745 +$16,649,743 103.55% 44
2024 Q2 $435,600,000 $480,114,879 +$479,133,932 110.25% 36