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XTRA:ISI
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Ionis Pharmaceuticals (ISI)

XTRA • ISI • US4622221004

35.42Last close
Market Closed
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ORTEX Data Highlights

As of Oct 22, 2026, ORTEX estimated 1.1% of free float sold short, 6,817 days to cover, cost to borrow 0.36%. Sign up for live short interest data.

Market Cap

6.55b USD | # 2117 in DE

Volume

210 shares | 14.23k USD

Shares Outstanding

166.18m

Free Float Shares

99.18% | 164.82m

Nasdaq:IONS|
DB:ISI|
LSE:0JDI|
BIT:1IONS

News

ISI key data

Ionis Pharmaceuticals (XTRA: ISI) has a market capitalization of $6.55B. Last close €35.42 (as of 2026-11-09); 52-week range €34.45 to €75.20. ORTEX data as of 2026-10-22: short interest was 1.09% of free float, 6,817 days to cover and the average cost to borrow was 0.36%. Sign up for live short interest data.

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