DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) - IONIS PHARMACEUTICALS INC ownership

IONIS PHARMACEUTICALS INC's ticker is and the CUSIP is 462222AD2. A total of 47 filers reported holding IONIS PHARMACEUTICALS INC in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) ownership history of IONIS PHARMACEUTICALS INC
ValueSharesWeighting
Q2 2023$121,005,130
+3.5%
127,800,0000.0%2.58%
-0.8%
Q1 2023$116,871,183
-1.2%
127,800,0000.0%2.60%
+6.3%
Q4 2022$118,341,522
-7.9%
127,800,0000.0%2.45%
-4.2%
Q3 2022$128,518,000
+9.9%
127,800,0000.0%2.56%
+6.0%
Q2 2022$116,991,000127,800,0002.41%
Other shareholders
IONIS PHARMACEUTICALS INC shareholders Q1 2023
NameSharesValueWeighting ↓
STEELHEAD PARTNERS LLC 54,800,000$53,728,9343.15%
CSS LLC/IL 27,690,000$27,111,9721.78%
BRAIDWELL LP 52,740,000$51,764,3101.64%
Sonora Investment Management Group, LLC 12,648,000$12,375,1971.06%
CAMDEN ASSET MANAGEMENT L P /CA 24,900,000$24,314,8500.90%
DeepCurrents Investment Group LLC 20,000,000$19,514,0730.85%
Magnetar Financial LLC 28,500,000$27,924,1660.71%
TENOR CAPITAL MANAGEMENT Co., L.P. 32,000,000$31,366,1230.67%
MACKAY SHIELDS LLC 23,902,000$24,063,6470.66%
SHENKMAN CAPITAL MANAGEMENT INC 8,210,000$8,155,8490.61%
View complete list of IONIS PHARMACEUTICALS INC shareholders