Ionis Pharmaceuticals Inc

Ionis Pharmaceuticals Inc (IONS) Stock Analysis

$42.700

+0.325 (+0.76%)At close

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High
43.470
Open
42.220
VWAP
42.75
Volume
2.03M
Mkt Cap
6.89B
Low
42.080
Amount
86.69M
EV/EBITDA, TTM
-18.72

Ionis Pharmaceuticals, Inc. develops six marketed medicines for serious diseases, including medicines for neurologic and cardiovascular diseases. Its marketed medicines consist of TRYNGOLZA, WAINUA (eplontersen), SPINRAZA (nusinersen), QALSODY (tofersen), TEGSEDI (inotersen) and WAYLIVRA (volanesorsen). TRYNGOLZA reduces triglyceride levels in adults with familial chylomicronemia syndrome (FCS). WAINUA is approved for the treatment of the polyneuropathy of hereditary transthyretin-medicated amyloidosis (ATTRv-PN) in adults. SPINRAZA is used for the treatment of pediatric and adult patients with spinal muscular atrophy. QALSODY is approved for the treatment of Amyotrophic Lateral Sclerosis in adults who have a mutation in the superoxide dismutase 1 (SOD1) gene, or SOD1-ALS. TEGSEDI is approved for the treatment of ATTRv-PN in adults. WAYLIVRA is approved as an adjunct to diet in adult patients with genetically confirmed FCS and at high risk of acute, potentially fatal pancreatitis.

www.ionis.com

AI analysis of Ionis Pharmaceuticals Inc (IONS)

Hold

Ionis Pharmaceuticals is currently a hold. The stock price is at $45.28, and while it has shown a recent 5-day increase of 4.00%, it is down 43.17% year-to-date. The forward P/E ratio is high at 90.91, indicating potential overvaluation, while the gross margin remains strong at 98.98%. However, the recent revenue decline of 41% compared to Alnylam's growth highlights competitive challenges. The main risk is the high forward P/E ratio, suggesting that the stock may not be a good buy at this price.

Analyst Ratings (15)

+117.03% upside
Hold
5 Buy
8 Hold
2 Sell
Current: 42.70
Low
65.00
Average
92.67
High
110.00

JPMorgan

2026-09-22

Price Target

$70

Overweight

Guggenheim

2026-09-15

Price Target

$80

Buy

Barclays

2026-09-09

Price Target

$85

Overweight

Raymond James

2026-09-08

Price Target

$84

Outperform

Morgan Stanley

2026-09-08

Price Target

$104

Overweight

Valuation Metrics

The current forward P/E ratio for Ionis Pharmaceuticals Inc (IONS) is 90.91, compared to its 5-year average forward P/E of 0.64.

Forward P/E

Strongly Overvalued
5Y Average P/E
0.64
Current P/E
90.91
Overvalued
40.86
Undervalued
-39.57

Forward EV/EBITDA

Fair
5Y Average EV/EBITDA
-13.39
Current EV/EBITDA
-18.72
Overvalued
-7.11
Undervalued
-19.68

Forward P/S

Undervalued
5Y Average P/S
9.46
Current P/S
5.33
Overvalued
11.73
Undervalued
7.20

Alphio AI Price Scenarios for IONS

Scenario prices are the last monthly forecast band of the current year. Probabilities are fixed model weights (25 / 50 / 25), not guarantees.

B

Bull

Bull · 25%IONS

$34.91

Scenario price

B

Base

Base · 50%IONS

$28.85

Scenario price

B

Bear

Bear · 25%IONS

$20.89

Scenario price

Whales holding IONS

G

Groupama Asset Management SA

+ HoldingIONS

+6.39%

3M Return

C

C WorldWide Asset Management Fondsmaeglerselskab A/S

+ HoldingIONS

+2.67%

3M Return

S

Summit Partners Public Asset Management, LLC

+ HoldingIONS

-0.65%

3M Return

B

Bellevue Asset Management AG

+ HoldingIONS

-2.06%

3M Return

D

Deerfield Management Company, L.P.

+ HoldingIONS

-8.23%

3M Return

P

Perceptive Advisors LLC

+ HoldingIONS

-17.58%

3M Return

IONS FAQ — answered by Alphio AI

Ionis Pharmaceuticals, Inc. develops six marketed medicines for serious diseases, including medicines for neurologic and cardiovascular diseases. Its marketed medicines consist of TRYNGOLZA, WAINUA (eplontersen), SPINRAZA (nusinersen), QALSODY (tofersen), TEGSEDI (inotersen) and WAYLIVRA (volanesorsen). TRYNGOLZA reduces triglyceride levels in adults with familial chylomicronemia syndrome (FCS). WAINUA is approved for the treatment of the polyneuropathy of hereditary transthyretin-medicated amyloidosis (ATTRv-PN) in adults. SPINRAZA is used for the treatment of pediatric and adult patients with spinal muscular atrophy. QALSODY is approved for the treatment of Amyotrophic Lateral Sclerosis in adults who have a mutation in the superoxide dismutase 1 (SOD1) gene, or SOD1-ALS. TEGSEDI is approved for the treatment of ATTRv-PN in adults. WAYLIVRA is approved as an adjunct to diet in adult patients with genetically confirmed FCS and at high risk of acute, potentially fatal pancreatitis. It operates in the Healthcare sector (PHARMACEUTICAL PREPARATIONS industry).

Ionis Pharmaceuticals is currently a hold. The stock price is at $45.28, and while it has shown a recent 5-day increase of 4.00%, it is down 43.17% year-to-date. The forward P/E ratio is high at 90.91, indicating potential overvaluation, while the gross margin remains strong at 98.98%. However, the recent revenue decline of 41% compared to Alnylam's growth highlights competitive challenges. The main risk is the high forward P/E ratio, suggesting that the stock may not be a good buy at this price.

15 analysts cover IONS: 5 rate it Buy, 8 Hold and 2 Sell. The average price target is 92.67.

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This page is for research only and is not investment advice. Models can be wrong. Past performance does not guarantee future results.

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