IONS

IONIS PHARMACEUTICALS INC

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Healthcare · Biotechnology

$56.02

−$0.69−1.22%

Delayed · 2026-09-09T20:00:00.000Z · marketstack

2 of 47tracked managers hold this· Q2 2026

Aug 10, 2026$56.02

−$0.92−1.62%over 1M

Day range25% of range

$55.71$56.96

Session

Previous close: $56.71
Open: $56.38
Volume: 3M
Avg volume: -
Day high: $56.96
Day low: $55.71

Fundamentals

Visualize fundamentals and more

Market cap: 9.27B
P/E ratio: -
EPS (TTM): -$3.42
Dividend yield: -
Beta: 0.42
Shares outstanding: 165.42M

Source SEC EDGAR · 9/10/2026

Tracked investors

As of Q2 2026 · 72 days ago · next update ~14 Nov 2026· what moved this quarter, onMeasure

2 fund managers this platform follows disclosed a position here, from quarterly SEC filings up to 45 days old; a manager may have sold since without yet having to say so.

Tweedy, Browne
Tweedy, Browne Company
$180.81M
13.70%of book
Joel Greenblatt
Gotham Asset Management
$9.61M
0.02%of book

Manager	Position	Share of their book	Last change
Tweedy, Browne Tweedy, Browne Company	$180.81M	13.70%
Joel Greenblatt Gotham Asset Management	$9.61M	0.02%

Share price, with each quarter a tracked manager’s position changed shaded across the range it traded in.

20406080

now

Q3 '24

Q4 '24

Q1 '25

Q2 '25

Q3 '25

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Q1 '26

Q2 '26

Hover a shaded quarter to see it moved. Who, and the range they traded in, is onBespoke

13F filings cover US-listed shares only (not cash, bonds, shorts, or private holdings) and are never a recommendation to do the same.

Risk factors, year on year

Item 1AFebruary 2026 10-KFebruary 2025as filed.

added: 111
dropped: 342
re-drafted: 25

Out of 154 passages in this year’s Item 1A.

New this year

Investing in our securities involves a high degree of risk. You should carefully consider the following information about the risks described below, together with the other information contained in this report and in our other public filings in evaluating our …

452 more passages, included withBespoke

Recent activity

Sep 4Regulation FD disclosureCompany filing8-K

26 more events, included withMeasure

Discussion

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Ask about IONIS PHARMACEUTICALS INC

The assistant answers from what IONS has actually filed: 18 annual reports filed with the SEC, 13F positions from the 2 tracked investors who hold it and 4 funds that hold it. Every figure in a reply links to the filing it came from, so an answer can be checked rather than believed.

Pressing one answers it here, from IONS's filings and figures. One a day without an account; a free account has its own, and no card.

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What an account lets you do with IONIS PHARMACEUTICALS INC

Separate the decisions from the paperwork
Every Form 4 IONS insiders have filed, with vesting and automatic tax sales struck out: what's left is the buys and sells somebody actually chose to make.
Every filingMeasure
Watch the same stakes the professionals are watching
Every tracked position priced at the quarter it was filed and diffed against the one before it: who added, who trimmed, who walked away.
Every position they holdMeasure
Interrogate the filing, not the internet
Ask anything about IONIS PHARMACEUTICALS INC's fundamentals. The assistant answers from its own filings and cites the figure, never a guess from the open web.

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