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Ionis Pharmaceuticals, Inc. (IONS) Stock Analysis

Healthcare

Ionis Pharmaceuticals, Inc.

$76.07

+$0.51 (+0.67%)

Last Updated: May 26, 2026

Price History

Analysis

Company Overview

Ionis Pharmaceuticals, Inc. operates as a commercial-stage biotechnology company focused on developing and providing RNA-targeted medicines within the United States market. The firm functions within the broader Healthcare sector, specifically categorized under the Biotechnology industry, which implies a focus on innovative drug discovery and therapeutic development rather than traditional manufacturing or retail services. In terms of scale, the company carries a market capitalization of $11.78B and reported annual revenue of $943.71M, supported by an employee base of 1402 individuals. These financial figures indicate that Ionis holds a significant valuation relative to its current revenue stream, suggesting that the market prices the company based on the potential future value of its RNA-targeted pipeline and proprietary technologies rather than current profitability.

Financial Health

The company reported a revenue of $943.71M over the trailing twelve months, yet it recorded a net income of $-381,387,008 and an EBITDA of $-369,236,992 during the same period. The substantial gap between the positive revenue figure and the significant negative net income reveals a cost structure characterized by high operating expenses that exceed total sales, a common trait in early-to-mid stage biotechnology firms investing heavily in research and development. Furthermore, the free cash flow stands at $-154,724,496, indicating that the company is currently consuming cash reserves to fund its operations and development activities rather than generating surplus liquidity. Regarding profitability margins, the gross margin is reported at 1.3%, the operating margin is -105.5%, and the profit margin is -40.4%; these negative metrics collectively indicate that the company is not yet achieving operational efficiency sufficient to cover its direct costs, let alone cover overhead and generate profit. On the balance sheet, the company holds $2.68B in cash against $2.62B in debt, resulting in a debt-to-equity ratio of 534.84, which suggests a highly leveraged position where liabilities nearly match the total cash on hand. Despite this leverage, the current ratio of 3.83 indicates a strong short-term liquidity position, as the company possesses more than three times the current assets necessary to cover its short-term obligations. Finally, the return on equity is -70.8% and the return on assets is -7.3%, metrics that reveal that management is currently utilizing shareholder capital and assets to generate losses rather than positive returns, reflecting the high-risk nature of the biotechnology development phase.

Valuation Assessment

The valuation metrics for Ionis show a trailing P/E ratio that is N/A due to negative earnings, while the forward P/E is listed at -82.62; the absence of a trailing P/E and the negative forward P/E imply that the market is pricing the stock based on expected future earnings trajectories rather than current profitability. The price-to-book ratio stands at 23.81, which indicates that the market is valuing the company at a significant premium over its book value, likely reflecting the high intangible value of its intellectual property and clinical pipeline. Additionally, the price-to-sales ratio is 12.48 and the EV/EBITDA is -31.73, suggesting that alternative valuation metrics rely heavily on revenue multiples and enterprise value adjustments rather than earnings-based comparisons. In terms of trading range, the 52-week high is $86.74 and the 52-week low is $23.95, placing the current market price at a level that requires calculation relative to this specific range to determine proximity to recent highs or lows. The beta value is 0.36, which explains that the stock exhibits low price volatility relative to the broader market, moving with less intensity than the general equity index.

Growth & Income

The company experienced a revenue growth rate of -10.3% year-over-year, while the earnings growth rate is N/A due to the lack of profitable earnings to measure against the prior year. Since earnings are not growing from a positive base, the decline in revenue suggests a contraction in sales volume or pricing pressure that impacts the overall financial trajectory more significantly than earnings would in a profitable context. As the dividend yield is N/A and the payout ratio is 0.0%, the company does not distribute cash to shareholders, which means it retains all earnings to reinvest into research, development, and operational growth rather than paying dividends. Consequently, the overall growth and income profile for Ionis Pharmaceuticals, Inc. is defined by a reliance on capital markets or internal cash reserves to fund expansion, with no current income generation through dividends or positive earnings growth.

Peer Comparison

Ionis Pharmaceuticals, Inc. (IONS) operates in the Biotechnology industry. Here is how it compares to its closest peers by market capitalization:

Company Ticker Market Cap P/E Ratio
Ionis Pharmaceuticals, Inc. IONS $12.57B N/A
Vertex Pharmaceuticals Incorporated VRTX $110.64B 25.8
Regeneron Pharmaceuticals, Inc. REGN $66.98B 15.6
argenx SE ARGX $50.52B 36.0

The Biotechnology industry average P/E ratio is 53.8x. Ionis Pharmaceuticals, Inc. trades at a P/E of N/A.

This analysis is AI-generated for informational purposes only and should not be considered financial advice. Data may be delayed or inaccurate. Always do your own research and consult a qualified financial advisor before making investment decisions.

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.

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Key Statistics

Market Cap
$12.57B
P/E Ratio
N/A
52-Week High
$86.74
52-Week Low
$32.00
Avg Volume
2.00M
Beta
0.38

Data provided by Yahoo Finance via yfinance. Updated daily.

Company Info

Exchange
NASDAQ
Country
United States
Employees
1,402