IONS

IONIS PHARMACEUTICALS INC
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Company Information

Company Name
IONIS PHARMACEUTICALS INC
CIK
CIK0000874015
Category
Large accelerated filer
Ticker: Exchange
IONS: Nasdaq
Fiscal Year End
December 31
Owner Organization
03 Life Sciences
SIC
2834
SIC Description
Pharmaceutical Preparations
Ticker
IONS

SEC filing data through

Insider Sentiment

Last purchase
2026-07-31
Last sale
2026-07-07
Shares purchased (TTM)
5,000
Shares sold (TTM)
2,129,557
Buy ratio (TTM)0.2%

Institutional Sentiment

As of
2026-06-30
Institutional shares owned
171,767,169
Shares outstanding
165,419,000
Ownership
103.84%
+11.77% Y/Y

Earnings Market Reaction

Filing date
2026-07-29
Price on filing date
—
1-month reaction
…
3-month reaction
…
Drift continued6/11 (55%)
Faded / reversed5/11 (45%)

Balance Sheet

Values in millions ($)
Line item2026-06-302026-03-312025-12-312025-09-302025-06-302025-03-312024-12-312024-09-302024-06-302024-03-312023-12-312023-09-30Subscriber-only columnSubscriber-only columnSubscriber-only columnSubscriber-only columnSubscriber-only columnTrend
Assets Current
Cash And Cash Equivalents At Carrying Value350173372338297264242335294349399352
Short Term Investments1,7051,7462,3051,9021,9931,8812,0562,1491,7851,8571,9321,884
Contract With Customer Asset Net Current597466255340921827598142
Inventory Net516101081213282930726
Other Assets Current327306237244226223218184195174205181
Assets Current2,4912,9372,9912,5192,5772,4192,6202,7142,3292,4162,6422,585
Property Plant And Equipment Net155142123106112103948376737171
Operating Lease Right Of Use Asset232235239242164159162164167169172174
Other Assets Noncurrent117136172166132132127120119106105104
Assets2,9953,4503,5243,0332,9852,8133,0043,0812,6912,7642,9902,934
Liabilities Current
Accounts Payable Current482628142317439913266
Employee Related Liabilities Current5036116574727704135226834
Accrued Liabilities Current1161271069999103108124114106148119
Accrued Income Taxes Current3330000002231
Convertible Debt Current0433432631630-044444444-
Contract With Customer Liability Current746974777681797694130151205
Other Liabilities Current252323252322910910910
Liabilities Current316717782903897250309305306328448404
Contract With Customer Liability Noncurrent637692108125141157174189215241249
Operating Lease Liability Noncurrent262259262263164159162168166169171173
Long Term Loans From Bank--28---52---42-
Other Liabilities Noncurrent2828-295956-424242-49
Liabilities2,5552,9593,0352,4152,3532,3372,4152,4192,4272,4672,6032,619
Stockholders Equity
Common Stock Value000000000000
Additional Paid In Capital Common Stock3,3123,2463,1453,0462,9332,9012,8692,8322,3032,2702,2152,148
Accumulated Other Comprehensive Income Loss Net Of Tax-34-31-25-26-28-29-31-24-35-35-33-46
Retained Earnings Accumulated Deficit-2,838-2,724-2,631-2,402-2,273-2,397-2,250-2,145-2,005-1,939-1,796-1,787
Stockholders Equity440491489618632476588662264297387315
Liabilities And Stockholders Equity2,9953,4503,5243,0332,9852,8133,0043,0812,6912,7642,9902,934
Common Stock Par Or Stated Value Per Share0.000.000.000.000.000.000.000.000.000.000.000.00
Common Stock Shares Authorized300300300300300300300300300300300300
Common Stock Shares Issued166166163161159159158158146146144143
Shares Outstanding166166163161159159158158146146144143

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IONIS PHARMACEUTICALS INC (IONS) — SEC Financial Statements & Analysis

IONIS PHARMACEUTICALS INC (IONS) is a pharmaceutical preparations company, incorporated in CA. IONIS PHARMACEUTICALS INC trades on Nasdaq as: IONS. IONIS PHARMACEUTICALS INC (IONS)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-07-29. Based on that filing, IONIS PHARMACEUTICALS INC carries a market cap of $13.12B, a P/E ratio of -23.21x, a P/B ratio of 29.83x, a P/S ratio of 15.01x, an enterprise value of $12.77B, and an EV/EBITDA multiple of -21.93x. On profitability, it posts a gross margin of 98.17%, an operating margin of -68.00%, a net margin of -64.66%, a Return on Equity (ROE) of -105.50%, a Return on Assets (ROA) of -18.90%, and a Return on Invested Capital (ROIC) of -109.00%. Per share, it reports EPS of $-3.42, diluted EPS of $-3.42, free cash flow per share of $-3.39, and a dividend per share of $0.00. Over the trailing year, it posted revenue growth of -7.41% year-over-year, net income growth of 110.72% year-over-year, and EPS growth of 102.71% year-over-year. On the balance sheet, it maintains a current ratio of 7.89x, a quick ratio of 7.73x, working capital of $2.18B, a debt-to-equity ratio of 5.81x, a debt ratio of 0.85, an interest coverage ratio of -31.58x, free cash flow of $-560.84M (TTM), and net debt of $-350.06M. Figures sourced from SEC EDGAR.

Market Cap
$13.12B
P/E TTM
-23.21x
EPS TTM
$-3.42
P/B TTM
29.83x
ROE TTM
-105.50%
ROA TTM
-18.90%
Debt To Equity
5.81x
Free Cash Flow TTM
$-560.84M
Net Revenue TTM Growth 1Y
-7.41%

Data as of 2026-06-30 · Source: SEC EDGAR

Frequently Asked Questions

What industry is IONIS PHARMACEUTICALS INC in?

IONIS PHARMACEUTICALS INC (IONS) operates in the Pharmaceutical Preparations industry.

What exchange does IONS trade on?

IONIS PHARMACEUTICALS INC (IONS) trades on the Nasdaq.

Where is IONIS PHARMACEUTICALS INC incorporated?

IONIS PHARMACEUTICALS INC is incorporated in CA.

When was IONIS PHARMACEUTICALS INC (IONS)'s most recent SEC filing?

IONIS PHARMACEUTICALS INC (IONS)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-07-29.

What is IONS's market cap?

IONIS PHARMACEUTICALS INC (IONS) has a market capitalization of $13.12B as of 2026-06-30.

What is IONS's EPS (earnings per share)?

IONIS PHARMACEUTICALS INC (IONS)'s trailing twelve month EPS is $-3.42 as of 2026-06-30.

What is IONS's ROE (return on equity)?

IONIS PHARMACEUTICALS INC (IONS)'s trailing twelve month Return on Equity (ROE) is -105.50% as of 2026-06-30.

What is IONS's ROA (return on assets)?

IONIS PHARMACEUTICALS INC (IONS)'s trailing twelve month Return on Assets (ROA) is -18.90% as of 2026-06-30.

What is IONS's ROIC (return on invested capital)?

IONIS PHARMACEUTICALS INC (IONS)'s trailing twelve month Return on Invested Capital (ROIC) is -109.00% as of 2026-06-30.

What is IONS's EV/EBITDA?

IONIS PHARMACEUTICALS INC (IONS)'s trailing twelve month EV/EBITDA is -21.93x as of 2026-06-30.

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