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Ionis Pharmaceuticals Inc (NASDAQ:IONS)

Delayed Data
As of Feb 09
 +0.32 / +0.97%
Today’s Change
Today|||52-Week Range
Institutional investors purchased a net $1.9 million shares of IONS during the quarter ended September 2015 and now own 89.37% of the total shares outstanding. This majority interest is a greater percentage than is typical for companies in the Biotechnology industry and highlights that the smart money sees this stock as an important holding.
Mutual fund holders51.37%
Other institutional38.00%
Individual stakeholders0.68%

Largest Quarterly Institutional

Latest Institutional Activity

12/31/2015OPPENHEIMERFUNDS, INC.  Bought 1.3 Million shares of Ionis Pharmaceuticals Inc
12/31/2015CALAMOS ADVISORS LLC  Bought 223.9 Thousand shares of Ionis Pharmaceuticals Inc
12/31/2015BAILLIE GIFFORD & CO.  Bought 179.1 Thousand shares of Ionis Pharmaceuticals Inc

Top 10 Owners of Ionis Pharmaceuticals Inc

Total value ($)Shares
bought / sold
Fidelity Management & Research Co...14.72%17,679,047688,245,300+37,345+0.21%
ClearBridge Investments LLC7.81%9,385,080365,361,164-37,922-0.40%
The Vanguard Group, Inc.6.87%8,250,750321,201,698-557,026-6.32%
Baillie Gifford & Co.6.73%8,078,518314,496,706+179,135+2.27%
Bellevue Asset Management AG5.63%6,766,838263,433,003+715,412+11.82%
BlackRock Fund Advisors4.86%5,840,641227,376,154+207,231+3.68%
Ivy Investment Management Co.2.85%3,427,800133,444,254+1,000+0.03%
SSgA Funds Management, Inc.2.08%2,498,82697,279,296-2,005-0.08%
Waddell & Reed Investment Managem...1.95%2,342,50091,193,52500.00%
First Trust Advisors LP1.94%2,327,48290,608,874+74,981+3.33%

Top 10 Mutual Funds Holding Ionis Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Fidelity Growth Company Fund6.95%8,350,718325,093,452+69,198+0.84%
BB Biotech AG4.94%5,929,426230,832,554+200,000+3.49%
Ivy Funds - Science & Technology ...2.79%3,355,500130,629,61500.00%
ClearBridge Aggressive Growth Fun...2.35%2,818,982109,742,969+200,000+7.64%
Fidelity Select Biotechnology Por...2.07%2,486,36796,794,267+29,180+1.19%
Vanguard Small Cap Index Fund2.00%2,399,19693,400,700+30,648+1.29%
Fidelity Series Growth Company Fu...1.88%2,256,46587,844,182+22,772+1.02%
Vanguard Total Stock Market Index...1.84%2,205,05585,842,791+55,133+2.56%
Waddell & Reed Advisors Science &...1.69%2,024,20078,802,10600.00%
Legg Mason Global Funds Plc - Cle...1.60%1,917,13074,633,87100.00%