A detailed history of Gw&K Investment Management, LLC transactions in Ionis Pharmaceuticals Inc stock. As of the latest transaction made, Gw&K Investment Management, LLC holds 448,830 shares of IONS stock, worth $18.5 Million. This represents 0.16% of its overall portfolio holdings.

Number of Shares
448,830
Previous 182,309 146.19%
Holding current value
$18.5 Million
Previous $5.5 Million 222.42%
% of portfolio
0.16%
Previous 0.05%

Shares

3 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q2 2025

Aug 11, 2025

BUY
$25.51 - $40.0 $6.8 Million - $10.7 Million
266,521 Added 146.19%
448,830 $17.7 Million
Q1 2025

May 05, 2025

SELL
$30.17 - $34.97 $148,164 - $171,737
-4,911 Reduced 2.62%
182,309 $5.5 Million
Q4 2024

Feb 05, 2025

BUY
$33.73 - $40.36 $6.31 Million - $7.56 Million
187,220 New
187,220 $6.55 Million

Others Institutions Holding IONS

About IONIS PHARMACEUTICALS INC


  • Ticker IONS
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 141,940,992
  • Market Cap $5.85B
  • 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 Gw&K Investment Management, LLC Portfolio

Follow Gw&K Investment Management, 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 Gw&K Investment Management, LLC, based on Form 13F filings with the SEC.

News

Stay updated on Gw&K Investment Management, LLC with notifications on news.