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 55 filers reported holding IONIS PHARMACEUTICALS INC in Q3 2023. The put-call ratio across all filers is - and the average weighting 0.3%.

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 Q3 2023
NameSharesValueWeighting ↓
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 127,800,000$118,341,5222.45%
Boussard & Gavaudan Investment Management LLP 17,500$16,097,1751.78%
BRAIDWELL LP 52,740,000$48,949,3131.64%
WOLVERINE ASSET MANAGEMENT LLC 109,030,000$101,603,4461.05%
Sonora Investment Management Group, LLC 9,195,000$8,531,7560.78%
CSS LLC/IL 11,966,000$11,133,2860.63%
MACKAY SHIELDS LLC 24,332,000$22,563,5420.58%
SSI INVESTMENT MANAGEMENT LLC 6,935,000$6,401,8740.41%
ADVENT CAPITAL MANAGEMENT /DE/ 18,450,000$17,123,9060.30%
Magnetar Financial LLC 16,700,000$15,5100.26%
View complete list of IONIS PHARMACEUTICALS INC shareholders