Ionis Pharmaceuticals, Inc.

Ionis Pharmaceuticals, Inc.

IONSยทNASDAQ

$73.82

+1.2%
HealthcareBiotechnology

Ionis Pharmaceuticals, Inc. discovers and develops RNA-targeted therapeutics in the United States. The company offers SPINRAZA for spinal muscular atrophy (SMA) in pediatric and adult patients; TEGSEDI, an injection for the treatment of polyneuropathy of hereditary transthyretin-mediated amyloidosis in adults; and WAYLIVRA, a treatment for familial chylomicronemia syndrome and familial partial lipodystrophy. It also develops medicines for various indications that are in phase 3 study, including Eplontersen as a monthly self-administered subcutaneous injection to treat all types of TTR amyloidosis; Olezarsen for patients with severe hypertriglyceridemia (SHTG); Donidalorsen for patients with hereditary angioedema; ION363 for patients with amyotrophic lateral sclerosis; Pelacarsen for patients with established cardiovascular disease and elevated lipoprotein(a); and Tofersen to inhibit the production of superoxide dismutase 1. In addition, the company develops medicines for metabolic diseases, infectious diseases, renal diseases, ophthalmic diseases, and cancer. It has a strategic collaboration with Biogen Inc.; and collaboration and license agreement with AstraZeneca, Bayer AG, GlaxoSmithKline plc, Novartis AG, Roche, Janssen Biotech, Inc., and Flamingo Therapeutics, Inc. Ionis Pharmaceuticals, Inc. was founded in 1989 and is based in Carlsbad, California.

At a Glance

Live Snapshot
Market Cap$12.20B
EPS-2.3800
P/E Ratio-31.02
Earnings Date07/29/2026
3Y-2.0%
5Y-848.0%
10Y+140.0%
3Y+6.0%
5Y-201.0%
10Y-591.0%
3Y-1322.0%
5Y-213.0%
10Y+5832.0%
IONS

Ionis Pharmaceuticals, Inc. Cash Conversion Engine

IONS ยท NASDAQ
Net Income-381.39M
Depreciation & Amortization22.69M
Stock-Based Compensation0.00
Change in Working Capital-51.22M
Others141.32M
Capital Expenditures-51.44M
Free Cash Flow-320.03M

Cash Flow Quality Analysis

FCF Conversion Rate

83.9%

Strong cash conversion. Most reported earnings translate into actual cash flow, suggesting solid fundamentals.

CapEx Intensity

-19.2%

Asset-light business model. Low capital requirements leave more cash available for shareholders and growth investments.

FCF Growth Trend

+41.4%

Strong FCF growth demonstrates improving cash generation and business momentum. Positive signal for sustainability.

Working Capital Impact

-$51.22M

Minimal working capital impact on FCF. Changes in operating assets and liabilities well-managed.

Cash Flow Quality Insight

Working capital strain: Significant cash tied up in operations. Monitor receivables collection, inventory turns, and payment terms to optimize cash conversion cycle.

Ionis Pharmaceuticals, Inc. Cash Flow Statement

IONS โ€ข NASDAQ

Ionis Pharmaceuticals, Inc. Cash Flow StatementDec 2025Dec 2024Dec 2023Dec 2022Dec 2021Dec 2020Dec 2019Dec 2018Dec 2017Dec 2016Dec 2015Dec 2014Dec 2013Dec 2012Dec 2011Dec 2010Dec 2009Dec 2008Dec 2007Dec 2006
OPERATING ACTIVITIES
-381.4M
-453.9M
-366.3M
-269.7M
-28.6M
-486.8M
303.3M
215M
-17.3M
-86.6M
-88.3M
-39M
-60.6M
-65.5M
-84.8M
-61.3M
150.7M
-12M
-11M
-45.9M
22.7M
19.7M
22.5M
22.1M
19.6M
17.2M
16M
12.5M
8.3M
9M
10.2M
9.4M
9.8M
10.8M
11.8M
9.2M
11.3M
6.8M
6.8M
7.2M
0.0
0.0
0.0
0.0
25.3M
313.3M
-7.1M
-290.5M
14.1M
10.7M
-12.5M
-12.8M
-5.9M
-9.1M
13.8M
16.2M
5.3M
-26.3M
-37.2M
-31M
0.0
130.2M
105.8M
100.3M
120.7M
230.1M
146.6M
131.3M
86M
72.1M
59.3M
31.4M
11.4M
8.6M
9.8M
12.2M
13.4M
15.1M
9.9M
5.7M
141.3M
12.5M
7.7M
-134.6M
7.7M
35.7M
55.7M
35.2M
39.5M
34.1M
31.8M
12.1M
22.8M
6.9M
1.9M
1.5M
-185M
17.5M
14M
8.2M
(0.0)
(0.0)
(48.3M)
(5M)
(38K)
(25.9M)
(9M)
(0.0)
(0.0)
(0.0)
(0.0)
(0.0)
(2K)
(0.0)
(2K)
(7.3M)
(13.2M)
(0.0)
(0.0)
(0.0)
-51.2M
-209.4M
-77.3M
7.6M
-113.8M
-73.6M
-168.7M
499.4M
43.6M
-151.5M
20.6M
5.2M
86M
50.2M
-67.4M
-41.4M
-104.1M
210.9M
53.6M
2.6M
-268.6M
-500.9M
-307.5M
-274.4M
30.8M
35.9M
345.7M
602.9M
174.1M
-112.1M
21.1M
6.3M
63.5M
1.9M
-114.8M
-63.6M
-108.4M
212M
36.1M
-53.2M
INVESTING ACTIVITIES
-51.4M
-45.3M
-23.8M
-20.1M
-17.9M
-41M
-36.3M
-17.7M
-37.9M
-11.5M
-11.7M
-11.1M
-5.4M
-5.2M
-11M
-17.6M
-16.3M
-17.1M
-5M
-2.6M
(0.0)
(0.0)
(22K)
(254.1M)
(5.9M)
(5.9M)
(5.4M)
(4M)
(2.5M)
(4.5M)
(25.5M)
(22.9M)
(3.8M)
-3M
(3.7M)
(6M)
(2.9M)
(3.4M)
-80.4M
(1.5M)
-1.9B
-1.9B
-1.8B
-1.5B
-1.1B
-1.6B
-2B
-1.8B
-880.3M
-300.9M
-493.5M
-391.9M
-425.6M
-221.7M
-371.5M
-530.4M
-777.7M
-483.1M
-95.4M
-107M
1.7B
1.8B
1.6B
989.2M
1.3B
1.9B
2B
882.8M
557.4M
364.6M
419.6M
297.2M
175.2M
244.8M
493.4M
577.5M
581.7M
266M
125.1M
77M
-5.6M
-5.1M
-4.2M
0.0
-5.9M
-5.9M
-5.4M
-4M
-323.5M
63.7M
-52.4M
-75.3M
-3.8M
3M
-3.7M
-11.9M
-2.9M
-3.4M
-83.1M
-1.5M
-277.8M
-134M
-214.1M
-262.6M
(194.9M)
(274.5M)
-41.3M
-929.6M
-358.3M
(56.6M)
-60.1M
-82.8M
-255.7M
(18M)
(110.9M)
(23.7M)
-212.3M
-234.2M
-55.6M
-32.6M
FINANCING ACTIVITIES
192.6M
522.7M
49.4M
6.4M
85.7M
-38.5M
85.3M
475.9M
255.1M
13.4M
24.9M
23.1M
173.3M
0.0
3.6M
4.4M
13.2M
62.7M
11.4M
86.4M
483.2M
-44.7M
86.9M
-50.7M
313.6M
0.0
97M
0.0
-24M
-3.1M
-558K
35.1M
-8.5M
29.7M
-4.2M
340K
3.6M
4.8M
22.3M
-7.9M
(0.0)
(0.0)
(0.0)
(0.0)
(0.0)
-90.5M
-34.4M
(0.0)
(0.0)
(0.0)
(0.0)
(0.0)
(0.0)
(0.0)
(0.0)
(0.0)
(0.0)
(0.0)
(0.0)
(0.0)
0.0
0.0
507.7M
-11M
-153.3M
-492.7M
-82.2M
0.0
-2M
1M
396K
1.5M
236.3M
9.5M
0.0
0.0
185.3M
40.1M
10M
71M
675.8M
478.1M
644.1M
-55.3M
245.9M
-596.6M
100M
475.9M
229.1M
11.4M
24.7M
59.6M
227.7M
39.1M
-672K
4.7M
202M
107.6M
43.7M
149.5M
CASH FLOW SUMMARY
702K
-273K
352K
-418K
-111K
617K
93K
-18K
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
130.2M
-157.2M
122.8M
-592.7M
471.5M
-285.6M
404.5M
149.2M
44.9M
-44.1M
-14.2M
-17M
35.5M
59M
-4.6M
-35.2M
-118.7M
85.4M
24.1M
63.6M
242.1M
399.3M
276.5M
869.2M
397.7M
683.3M
278.8M
129.6M
84.7M
128.8M
143M
160M
124.5M
65.5M
70.1M
105.3M
224M
138.6M
114.5M
50.9M
372.3M
242.1M
399.3M
276.5M
869.2M
397.7M
683.3M
278.8M
129.6M
84.7M
128.8M
143M
160M
124.5M
65.5M
70.1M
105.3M
224M
138.6M
114.5M
-320M
-546.2M
-335.5M
-294.5M
12.9M
-5.2M
309.4M
585.2M
136.3M
-123.6M
9.4M
-4.8M
58.1M
-3.3M
-125.8M
-81.1M
-124.7M
195M
31.1M
-55.8M

SEC Filings

IONS - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
8-K

8-K 2026

N/A

May 28, 2026
May 28, 2026
2026
10-Q

10-Q 2026 Q1

Q1

April 29, 2026
March 31, 2026
2026
8-K

8-K 2026

N/A

April 29, 2026
April 29, 2026
2026
DEF 14A

DEF 14A 2026

N/A

April 23, 2026
June 04, 2026
2026
8-K

8-K 2026

N/A

April 21, 2026
April 21, 2026
2026
8-K

8-K 2026

N/A

March 09, 2026
March 03, 2026
2026
10-K

10-K 2025 FY

FY

February 26, 2026
December 31, 2025
2025
8-K

8-K 2026

N/A

February 25, 2026
February 25, 2026
2026
8-K

8-K 2026

N/A

January 12, 2026
January 12, 2026
2026
8-K

8-K 2026

N/A

January 07, 2026
January 07, 2026
2026
Showing 1 to 10 of 510 filings