A detailed history of Summit Trail Advisors, LLC transactions in Ionis Pharmaceuticals Inc stock. As of the latest transaction made, Summit Trail Advisors, LLC holds 6,205 shares of IONS stock, worth $443,967. This represents 0.01% of its overall portfolio holdings.

Number of Shares
6,205
Holding current value
$443,967
% of portfolio
0.01%

Shares

5 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 14, 2025

BUY
$39.94 - $65.42 $247,827 - $405,931
6,205 New
6,205 $405,000
Q2 2018

Aug 10, 2018

SELL
$40.53 - $50.7 $833,864 - $1.04 Million
-20,574 Closed
0 $0
Q1 2018

May 22, 2018

SELL
$44.08 - $55.05 $22.2 Million - $27.7 Million
-502,534 Reduced 96.07%
20,574 $523,000
Q1 2018

May 21, 2018

BUY
$44.08 - $55.05 $22.3 Million - $27.9 Million
506,015 Added 2960.36%
523,108 $523,000
Q4 2017

Feb 14, 2018

BUY
$50.3 - $64.39 $859,777 - $1.1 Million
17,093
17,093 $898,000

Others Institutions Holding IONS

About IONIS PHARMACEUTICALS INC


  • Ticker IONS
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 141,940,992
  • Market Cap $10.2B
  • Description
  • Ionis Pharmaceuticals, Inc. discovers and develops RNA-targeted therapeutics in the United States. The company offers SPINRAZA for spinal muscular atrophy (SMA) in pediatric and adult patients; TEGSEDI, an injection for the treatment of polyneuropathy of hereditary transthyretin-mediated amyloidosis in adults; and WAYLIVRA, a treatment for famil...
More about IONS
Track This Portfolio

Track Summit Trail Advisors, LLC Portfolio

Follow Summit Trail Advisors, LLC and customize your updates to receive the information that matters most to you.

Portfolio Update

Get notified when there are updates to the investment portfolio of Summit Trail Advisors, LLC, based on Form 13F filings with the SEC.

News

Stay updated on Summit Trail Advisors, LLC with notifications on news.