Ionis Pharmaceuticals, Inc.

IONS·NasdaqGS
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43.67−1.61 (−3.56%)today
At close: Oct 12, 4:00 PM EDT · May be delayed up to 15 min · USD
After hours43.85+0.18 (+0.40%)Oct 12, 5:25 PM EDT

Prices may be delayed up to 15 min. Not investment advice. News volume: articles in the 4Search index each day.

Key statistics

Previous close45.28
Open45.46
Day range43.6445.46
52-week range42.6386.74
Off day high−3.93%
Off 52-week high−49.65%
Volume1.95M
Avg. volume (3M)3.41M
Market cap7.26B
EPS (TTM)-3.48
Forward P/E-39.26
P/E ratio (TTM)—
Dividend yield—
Beta (5Y)—
Shares outstanding166.18M
Short interest—
Earnings dateJul 29, 2026
Analyst target—
Profit margin—

Against its peers

Compare in full ›
IONS ARWR ALNY BBIO DNLI PTCT
Market cap 7.26B 8.58B 30.38B 12.85B 3.03B 5.25B
P/E (TTM) — — 38.3 — — —
Forward P/E -39.3 -12.3 18.3 2,275.1 -7.8 26.5
Price/book 16.4 18.4 22.4 -5.1 3.6 -31.7
Dividend yield — — — — — —
1-year change −35.85% +68.88% −51.17% +16.37% +29.84% −2.06%
Today −3.56% −3.22% −2.43% +0.61% −2.57% −2.75%

The closest companies by business and industry (Biotechnology). Prices may be delayed up to 15 min.

Related companies

Compare ›

The businesses closest to IONS's by what they do, from their descriptions, with the same industry weighted in.

Company Mkt cap Price Today
Arrowhead Pharmaceuticals, Inc.ARWR · Biotechnology 8.58B 60.73 −3.22%
Alnylam Pharmaceuticals, Inc.ALNY · BiotechnologyOdds 30.38B 227.02 −2.43%
BridgeBio Pharma, Inc.BBIO · Biotechnology 12.85B 65.75 +0.61%
Denali Therapeutics Inc.DNLI · Biotechnology 3.03B 18.95 −2.57%
PTC Therapeutics, Inc.PTCT · Biotechnology 5.25B 62.92 −2.75%
Sarepta Therapeutics, Inc.SRPT · Biotechnology 1.84B 17.44 −2.30%
BioMarin Pharmaceutical Inc.BMRN · Biotechnology 10.72B 55.39 +1.09%
Maze Therapeutics, Inc.MAZE · Biotechnology 1.54B 27.70 +2.18%

From the 4Conservative instruments index: what each company does (its business description), its industry, size, headquarters and the markets it serves; and from a year of daily prices, which move together. Prices may be delayed up to 15 min.

Latest news

All IONS news ›

No recent coverage in the 4Search index.

From articles in the 4Search news index.

Market data is provided for information only and comes from free public sources. Prices may be delayed up to 15 minutes; data may be incomplete or inaccurate. Nothing on this page is investment advice or a recommendation to buy or sell any security. News and coverage analytics are drawn from the 4Conservative index. Terms of use.