BROWN BROTHERS HARRIMAN & CO - IONIS PHARMACEUTICALS INC ownership

IONIS PHARMACEUTICALS INC's ticker is IONS and the CUSIP is 462222100. A total of 334 filers reported holding IONIS PHARMACEUTICALS INC in Q2 2021. The put-call ratio across all filers is 0.71 and the average weighting 0.1%.

Quarter-by-quarter ownership
BROWN BROTHERS HARRIMAN & CO ownership history of IONIS PHARMACEUTICALS INC
ValueSharesWeighting
Q2 2021$8,000
-92.5%
200
-91.5%
0.00%
-100.0%
Q1 2021$106,000
+863.6%
2,350
+1075.0%
0.00%
Q4 2020$11,000
-35.3%
200
-44.4%
0.00%
Q1 2020$17,000
-48.5%
360
-33.8%
0.00%
Q4 2019$33,0000.0%544
-1.1%
0.00%
Q3 2019$33,000
+37.5%
550
+48.2%
0.00%
Q2 2019$24,000
-4.0%
371
+21.6%
0.00%
Q1 2019$25,000
+150.0%
305
+67.6%
0.00%
Q4 2018$10,000
+11.1%
1820.0%0.00%
Q3 2018$9,000
+12.5%
1820.0%0.00%
Q2 2018$8,0000.0%1820.0%0.00%
Q1 2018$8,000
-42.9%
182
-34.3%
0.00%
Q4 2017$14,000
+55.6%
277
+52.2%
0.00%
Q3 2017$9,0000.0%1820.0%0.00%
Q2 2017$9,0001820.00%
Other shareholders
IONIS PHARMACEUTICALS INC shareholders Q2 2021
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