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 34 filers reported holding IONIS PHARMACEUTICALS INC in Q2 2022. 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 Q2 2022
NameSharesValueWeighting ↓
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 127,800,000$128,518,0002.56%
WOLVERINE ASSET MANAGEMENT LLC 107,030,000$106,622,0001.15%
MACKAY SHIELDS LLC 24,472,000$24,283,0000.61%
SSI INVESTMENT MANAGEMENT LLC 6,945,000$6,865,0000.46%
ADVENT CAPITAL MANAGEMENT /DE/ 20,000,000$19,863,0000.36%
TENOR CAPITAL MANAGEMENT Co., L.P. 15,500,000$15,433,0000.35%
Magnetar Financial LLC 16,700,000$16,606,0000.23%
CAMDEN ASSET MANAGEMENT L P /CA 4,300,000$4,249,0000.14%
CAPSTONE INVESTMENT ADVISORS, LLC 18,700,000$18,571,0000.11%
RWC Asset Management LLP 2,500,000$2,497,0000.08%
View complete list of IONIS PHARMACEUTICALS INC shareholders