Calamos Advisors LLC - IONIS PHARMACEUTICALS INC ownership

IONIS PHARMACEUTICALS INC's ticker is and the CUSIP is 462222AB6. A total of 36 filers reported holding IONIS PHARMACEUTICALS INC in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.5%.

Quarter-by-quarter ownership
Calamos Advisors LLC ownership history of IONIS PHARMACEUTICALS INC
ValueSharesWeighting
Q1 2023$10,361,549
+1.4%
11,243,0000.0%0.05%
+6.2%
Q4 2022$10,220,449
-0.2%
11,243,0000.0%0.05%
+2.1%
Q3 2022$10,238,000
+3.0%
11,243,0000.0%0.05%
+9.3%
Q2 2022$9,940,000
-1.8%
11,243,0000.0%0.04%
+13.2%
Q1 2022$10,127,000
-0.4%
11,243,0000.0%0.04%0.0%
Q4 2021$10,171,000
-1.4%
11,243,0000.0%0.04%
-15.6%
Q3 2021$10,320,000
-47.7%
11,243,000
-47.1%
0.04%
-50.0%
Q2 2021$19,747,000
-2.7%
21,243,0000.0%0.09%
-18.9%
Q1 2021$20,295,000
-18.7%
21,243,000
-12.4%
0.11%
-23.4%
Q4 2020$24,953,00024,243,0000.14%
Other shareholders
IONIS PHARMACEUTICALS INC shareholders Q4 2020
NameSharesValueWeighting ↓
Opti Capital Management, LP 36,587,000$34,026,0003.65%
DeepCurrents Investment Group LLC 77,144,000$71,504,0002.14%
STEELHEAD PARTNERS LLC 28,000,000$26,028,0001.72%
Context Capital Management, LLC 13,000$12,147,0001.12%
CAMDEN ASSET MANAGEMENT L P /CA 26,324,000$24,465,0001.02%
Penn Mutual Asset Management, LLC 856$790,0000.99%
TENOR CAPITAL MANAGEMENT Co., L.P. 41,774,000$38,742,0000.84%
PFM Health Sciences, LP 23,000,000$21,372,0000.67%
AQR Arbitrage LLC 19,050,000$17,800,0000.50%
ADVENT CAPITAL MANAGEMENT /DE/ 19,910,000$18,377,0000.36%
View complete list of IONIS PHARMACEUTICALS INC shareholders