Ionis Pharmaceuticals Inc

IONSNASDAQ
$58.09
-0.04-0.07%
In chiusura: Sep 4, 5:00 PM EST
$52.29
-5.80-9.98%
Post-mercato: 7:58 PM EST

Ionis Pharmaceuticals Ownership & Insider Activity

Ionis Pharmaceuticals (IONS) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 0.9% of shares outstanding. Institutional investors hold 94.8%. Over the past 90 days, insiders made 1 purchase worth $1.1M and 4 sales worth $2.9M.

Shares Outstanding

166.184M

Shares Float

125.486M

Insider Shares Owned

1.534M

Insider % Owned

0.9%

Institutional Shares Held

157.590M

Institutional % Held

94.8%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

1

$1.1M total

Sales (90d)

4

$2.9M total

Net Activity

Net Selling

Net Value (90d)

-$1.8M

Ionis Pharmaceuticals Insider Transactions (Last 6 Months)

DateInsiderTitleTypeSharesPriceValue
Jul 30, 2026Michael R HaydenDIRECTORBUY20.000K$52.94$1.1M
Jul 7, 2026C. Frank BennettEVP, CHIEF SCIENTIFIC OFFICERSELL5.536K$84.95$1.7M

Congressional Trading Activity

DateMemberPartyChamberActionAmount
Mar 6, 2023Daniel GoldmanDHouseS$1,001 - $15,000