Ionis Pharmaceuticals, Inc. IONS

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40.42 USD -0.82 (-1.99%)

At closeNov 3, 2026, 5:04 PM EST

41.21 +0.79 +1.95%

After hours · Nov 3, 5:04 PM ET

40.26 Day range 41.83
40.26 52-week range 86.74
YTD
-48.91%
1 year
-45.12%
Market cap
6.72B
Revenue (ttm)
874.09M
Profit margin
-64.66%
EPS (ttm)
-3.48
Shares out
166.18M
Forward P/E
-35.26
YTD return
-48.91%
1-year return
-45.12%
Volume
3.95M
Avg volume
3.13M
Open
41.26
Previous close
41.24
Day's range
40.26 – 41.83
52-week range
40.26 – 86.74
Beta
0.40
Analysts
Buy
Price target
84.13 (+108.1%)
Earnings date
Nov 4, 2026

1m -1.05 (-2.53%)

40.504141.50Nov 340.42

Key statistics

Enterprise value
6.94B
PEG ratio
27.33
Price / sales
7.68
Price / book
15.22
Dividend yield
0.00%
Payout ratio
0.00%
Revenue growth
-40.70%
Free cash flow
-346.76M
Total cash
2.10B
Total debt
2.19B
Return on equity
-105.50%
Short % of float
16.46%
50-day average
48.65
200-day average
66.61

Financials — quick view

All financials
IONS Revenue — quarterly 267.95M
2022-Q3 20222022-Q4 20222023-Q1 20232023-Q2 20232023-Q3 20232023-Q4 20232024-Q1 20242024-Q2 20242024-Q3 20242024-Q4 20242025-Q1 20252025-Q2 20252025-Q3 20252025-Q4 20252026-Q1 20262026-Q2 2026
IONS Net income — quarterly -114.65M
2022-Q3 20222022-Q4 20222023-Q1 20232023-Q2 20232023-Q3 20232023-Q4 20232024-Q1 20242024-Q2 20242024-Q3 20242024-Q4 20242025-Q1 20252025-Q2 20252025-Q3 20252025-Q4 20252026-Q1 20262026-Q2 2026
IONS EPS — quarterly -0.69
2022-Q3 20222022-Q4 20222023-Q1 20232023-Q2 20232023-Q3 20232023-Q4 20232024-Q1 20242024-Q2 20242024-Q3 20242024-Q4 20242025-Q1 20252025-Q2 20252025-Q3 20252025-Q4 20252026-Q1 20262026-Q2 2026

Earnings

IONS recent earnings
Report dateQuarter endingEPS estimateEPS reportedSurpriseSurprise %
Nov 4, 2026Sep 30, 2026-1.22———
Jul 29, 2026Jun 30, 2026-1.09-0.69+0.40+36.70%
Apr 29, 2026Mar 31, 2026-0.85-0.56+0.29+34.12%
Feb 25, 2026Dec 31, 2025-1.24-1.41-0.17-14.02%
Oct 29, 2025Oct 28, 2025-1.15-0.61+0.54+46.96%
Jul 30, 2025Jun 30, 20250.270.86+0.59+218.52%

Upgrades / downgrades

IONS analyst upgrades and downgrades
DateFirmActionFromTo
Oct 22, 2026BMO CapitalupMarket PerformOutperform
Oct 15, 2026UBSupNeutralBuy
Sep 24, 2026HC Wainwright & Co.reitBuyBuy
Sep 22, 2026JP MorganmainOverweightOverweight
Sep 15, 2026GuggenheimmainBuyBuy
Sep 9, 2026BarclaysmainOverweightOverweight

About Ionis Pharmaceuticals, Inc.

Ionis Pharmaceuticals, Inc., a commercial-stage biotechnology company, provides RNA-targeted medicines in the United States. The company offers TRYNGOLZA reduces triglyceride levels in adults with familial chylomicronemia syndrome (FCS) and acute pancreatitis; DAWNZERA for prophylaxis to prevent attacks of hereditary angioedema in adults; WAINUA for the treatment of the polyneuropathy of hereditary transthyretin-medicated amyloidosis (ATTRv-PN) in adults; and SPINRAZA for pediatric and adult patients with spinal muscular atrophy (SMA). It also provides QALSODY for the treatment of Amyotrophic Lateral Sclerosis (ALS); TEGSEDI for the treatment of ATTRv-PN in adults; and WAYLIVRA for treatment for FCS and familial partial lipodystrophy. It also develops products under Phase 3 clinical trials, such as Olezarsen for patients with hypertriglyceridemia (SHTG) and cardiovascular disease (CVD); and Zilganerse, a potential treatment for people with genetically confirmed Alexander disease, as well as ION582 which is in Phase 3 clinical trial for the potential treatment of AS, a rare genetic neurological disease. In addition, the company develops Eplontersen to degrade mutant and wild-type TTR mRNA through binding to the TTR mRNA; Pelacarsen to inhibit the production of apolipoprotein(a) in the liver to offer a direct approach for reducing lipoprotein(a); Bepirovirsen to inhibit the production of viral proteins associated with hepatitis B virus; Sefaxersen to reduce the production of complement factor B and lower activation of the alternative complement pathway; and Ulefnersen to reduce the production of the fused in sarcoma, as well as other mid-stage pipeline investigational medicines. It has a strategic collaboration with Biogen for the treatment of neurological disorders; and collaboration and license agreement with GSK, AstraZeneca, Novartis, and Roche, as well as with Metagenomi. The company was incorporated in 1989 and is headquartered in Carlsbad, California.

Sector
Healthcare
Industry
Biotechnology
Country
United States
Website
ionis.com

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Insider holders

IONS insider holders
InsiderRelationLatest transactionDateShares held
BAROLDI JOSEPHOfficerConversion of Exercise of derivative securityJun 25, 20260
BENNETT C FRANKOfficerSaleJul 6, 20260
BERTHELSEN SPENCER RDirectorConversion of Exercise of derivative securityJul 14, 2026161,303
BIRCHLER BRIANOfficerSaleApr 15, 202667,500
GEARY RICHARD SOfficerConversion of Exercise of derivative securityNov 5, 202559,657
HAYDEN MICHAEL REUBENDirectorPurchaseJul 30, 20260

Institution ownership

IONS institution ownership
Holder% heldSharesValueReported
FMR, LLC14.82%24,631,956995.62MJun 29, 2026
Capital World Investors13.04%21,669,226875.87MJun 29, 2026
Blackrock Inc.6.44%10,704,660432.68MJun 29, 2026
Vanguard Portfolio Management LLC4.73%7,859,529317.68MJun 29, 2026
Wellington Management Group, LLP4.60%7,651,415309.27MJun 29, 2026
Vanguard Capital Management LLC4.34%7,211,497291.49MJun 29, 2026

Fund ownership

IONS fund ownership
Holder% heldSharesValueReported
Fidelity Mt. Vernon Street Trust-Fidelity Growth Company Fund5.12%8,503,655343.72MAug 30, 2026
Growth Fund of America4.61%7,668,655309.97MSep 29, 2026
VANGUARD SPECIALIZED FUNDS-Vanguard Health Care Fund3.74%6,212,640251.11MJul 30, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund3.00%4,989,044201.66MJun 29, 2026
New Economy Fund2.93%4,868,802196.80MSep 29, 2026
SmallCap World Fund Inc2.68%4,458,145180.20MSep 29, 2026