Weiss Asset Management LP - IONIS PHARMACEUTICALS INC ownership

IONIS PHARMACEUTICALS INC's ticker is IONS and the CUSIP is 462222100. A total of 325 filers reported holding IONIS PHARMACEUTICALS INC in Q3 2018. The put-call ratio across all filers is 1.16 and the average weighting 0.2%.

Quarter-by-quarter ownership
Weiss Asset Management LP ownership history of IONIS PHARMACEUTICALS INC
ValueSharesWeighting
Q1 2022$672,000
-27.6%
18,145
+0.9%
0.01%
-80.3%
Q3 2018$928,000
+23.9%
17,9830.0%0.07%
-4.1%
Q2 2018$749,000
-5.5%
17,9830.0%0.07%
+15.6%
Q1 2018$793,000
-12.4%
17,9830.0%0.06%
-19.0%
Q4 2017$905,000
+85.5%
17,983
+86.8%
0.08%
+46.3%
Q3 2017$488,0009,6250.05%
Other shareholders
IONIS PHARMACEUTICALS INC shareholders Q3 2018
NameSharesValueWeighting ↓
BB BIOTECH AG 6,529,838$404,393,00011.39%
DOWLING & YAHNKE LLC 676,379$41,888,0005.27%
Opus Point Partners Management, LLC 102,459$6,345,0004.19%
WILLIAM HARRIS INVESTORS INC 230,443$14,271,0003.43%
PINNACLE ASSOCIATES LTD 1,690,263$104,678,0002.20%
MESSNER & SMITH THEME VALUE INVESTMENT MANAGEMENT LTD /CA/ 21,298$1,319,0002.11%
Sonora Investment Management, LLC 126,763$7,850,0002.04%
Virtus ETF Advisers LLC 10,447$647,0001.78%
Apex Capital Management 1,020,096$63,175,0001.41%
PERKINS CAPITAL MANAGEMENT INC 19,900$1,232,0001.32%
View complete list of IONIS PHARMACEUTICALS INC shareholders