Robeco Institutional Asset Management B.V. - IONIS PHARMACEUTICALS INC ownership

IONIS PHARMACEUTICALS INC's ticker is IONS and the CUSIP is 462222100. A total of 381 filers reported holding IONIS PHARMACEUTICALS INC in Q4 2020. The put-call ratio across all filers is 0.43 and the average weighting 0.1%.

Quarter-by-quarter ownership
Robeco Institutional Asset Management B.V. ownership history of IONIS PHARMACEUTICALS INC
ValueSharesWeighting
Q1 2021$227,000
-20.4%
5,0380.0%0.00%0.0%
Q4 2020$285,000
+19.2%
5,0380.0%0.00%0.0%
Q3 2020$239,000
-19.5%
5,0380.0%0.00%0.0%
Q2 2020$297,000
+24.8%
5,0380.0%0.00%0.0%
Q1 2020$238,000
-65.7%
5,038
-56.2%
0.00%
-50.0%
Q4 2019$693,000
-7.2%
11,499
-7.7%
0.00%
-33.3%
Q3 2019$747,000
+22.1%
12,459
+31.0%
0.00%
+50.0%
Q2 2019$612,0009,5130.00%
Other shareholders
IONIS PHARMACEUTICALS INC shareholders Q4 2020
NameSharesValueWeighting ↓
Bellevue Group AG 9,930,245$396,117,0003.87%
Sicart Associates LLC 368,409$14,696,0003.50%
Camber Capital Management LP 2,000,000$79,780,0002.69%
INTERNATIONAL BIOTECHNOLOGY TRUST PLC 181,781$7,251,0001.91%
SECTOR GAMMA AS 263,488$10,511,0001.86%
Parkman Healthcare Partners LLC 136,380$5,440,0001.19%
Eversept Partners, LP 442,000$17,631,3801.18%
Affinity Asset Advisors, LLC 75,000$2,992,0001.07%
TANAKA CAPITAL MANAGEMENT INC 16,661$665,0000.90%
Sonora Investment Management, LLC 168,665$6,728,0000.88%
View complete list of IONIS PHARMACEUTICALS INC shareholders