HF Best Ideas
AnalysesQuarterly LettersWarren AI
All companies
Ionis Pharmaceuticals, Inc. logo

What smart money is saying about Ionis Pharmaceuticals, Inc.United States flag

IONS

No fund has written a full thesis on Ionis Pharmaceuticals, Inc. in our archive, but 2 fund letters report a position in it — most recently Baron Health Care Fund in June 2026.

Get an email when a fund writes about it

Summarize with Warren AI
2
Reported positions
1
Bought
1
Sold
3
Letters

Position history

Every position in Ionis Pharmaceuticals, Inc. on record in the archive was reported in Q2 2026, across 2 fund letters — 1 opened or added to the position, 1 trimmed or exited.

Fund letters reporting a position in Ionis Pharmaceuticals, Inc., by quarter
QuarterLettersBoughtSoldTheses
Q2 20262110

Fund activity · 2 positions · 2 moves

  • TrimmedBaron Health Care Fund
    June 2026
    “We reduced our positions in AstraZeneca PLC and Ionis Pharmaceuticals, Inc. due to valuation.”
    Read the letterIonis Pharmaceuticals, Inc.
  • AddedTimesSquare U.S. Mid Cap Growth
    June 2026
    “We continued to build our position in Ionis Pharmaceuticals Inc., a commercial-stage biotechnology company focused on neurology and cardiovascular indications.”
    Read the letterIonis Pharmaceuticals, Inc.

Also mentioned · 1

These funds discuss Ionis Pharmaceuticals, Inc. — as a competitor, benchmark or comparable — without disclosing a position in it.

  • MentionedTimesSquare U.S. Mid Cap Growth Strategy
    March 2026
    “New to the sector this quarter was Ionis Pharmaceuticals Inc., a commercial-stage biotechnology company focused on neurology and cardiovascular indications.”
    Read the letterIonis Pharmaceuticals, Inc.

Read the letters behind these Ionis Pharmaceuticals, Inc. positions

Every quote above comes from a fund letter in our archive. Get unlimited access to the letters themselves — and to Warren AI, which reads all of them for you.

View plans→
Share this ledger