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Inovio Pharmaceuticals (INO) Stock Price, News & Analysis

INO NASDAQ
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Price Move History

Daily moves over 5%
49 252 sessions, September 25, 2025 to September 25, 2026
Largest daily move
-36.9% close of July 30, 2026
1-year change
-51.4% closing prices, September 25, 2025 to September 25, 2026
5-year change
-98.7% closing prices, September 24, 2021 to September 25, 2026

Company Description

Inovio Pharmaceuticals, Inc. (NASDAQ: INO), also referred to as INOVIO, is a biotechnology company focused on developing and commercializing DNA medicines to help treat and protect people from HPV-related diseases, cancer, and infectious diseases. According to the company’s public statements, its technology is designed to teach the body to manufacture its own disease-fighting tools by delivering precisely designed DNA plasmids into cells.

INOVIO’s DNA medicines platform combines two core elements: DNA plasmids and the company’s proprietary investigational medical device, CELLECTRA. The plasmids are described as small circular DNA molecules that function like software the body’s cells can download to produce specific proteins that target and fight disease. The CELLECTRA delivery devices are designed to optimally deliver these DNA medicines to the body’s cells without using chemical adjuvants or lipid nanoparticles and without triggering the anti-vector immune responses historically associated with viral vector platforms.

A central area of INOVIO’s work is HPV-related diseases, including recurrent respiratory papillomatosis (RRP), a rare and debilitating disease of the respiratory tract caused primarily by HPV-6 and HPV-11. RRP is characterized by the growth of benign papillomas in the respiratory tract that can obstruct the airway and impair speech. Surgery to remove papillomas is the current standard of care, but papillomas often recur, leading to repeated procedures that may damage the vocal cords and affect quality of life and finances.

INOVIO’s lead DNA medicine candidate for RRP is INO-3107, an investigational DNA medicine designed to elicit an antigen-specific T cell response against HPV-6 and HPV-11 proteins. The goal is for these targeted T cells to seek out and kill HPV-6 and HPV-11 infected cells, potentially preventing or slowing the growth of new papillomas. INOVIO has submitted a Biologics License Application (BLA) for INO-3107 to the U.S. Food and Drug Administration (FDA) under the accelerated approval pathway, and the FDA has accepted the BLA for review with a Standard review classification.

Clinical Data and Regulatory Designations for INO-3107

Clinical data disclosed by the company indicate that in a Phase 1/2 trial (RRP-001) of 32 adult patients with RRP who had two or more surgeries in the year before treatment, a majority of patients experienced a reduction in the number of surgeries after receiving INO-3107. A retrospective follow-up study (RRP-002) of 28 of the original participants suggested that many patients continued to see clinical benefit in the second 12-month period after treatment without additional dosing. The company reports that INO-3107 generated a strong immune response, inducing activated CD4 and CD8 T cells with lytic potential and showing T cell responses at Week 52, consistent with a persistent cellular memory response. INO-3107 was described as well tolerated, with mostly low-grade treatment-emergent adverse effects such as injection site pain and fatigue.

Regulatory authorities have recognized INO-3107 with several designations. The FDA has granted Orphan Drug and Breakthrough Therapy designations for INO-3107, and the European Commission has granted Orphan Drug designation. INOVIO also states that it has CE-marked its CELLECTRA delivery device in the European Union, which allows the device to be commercialized in the EU and other geographies that recognize CE-marking. In the United Kingdom, INO-3107 has received the Innovation Passport, which serves as the entry point to the Innovative Licensing and Access Pathway (ILAP), a framework intended to accelerate time to market and facilitate patient access to medicines.

DNA Medicines Platform and Next-Generation Programs

Beyond INO-3107, INOVIO describes a broader DNA medicines platform that it is advancing. The platform’s design emphasizes the ability to generate antigen-specific T cell responses without the limitations associated with anti-vector immunity seen in some other T cell–generating platforms. The company has highlighted DNA-Encoded Monoclonal Antibody (DMAb) technology and DNA-encoded protein (DPROT) programs as part of its next-generation DNA medicine candidates.

Results from a Phase 1 proof-of-concept trial evaluating next-generation DMAbs for COVID-19 were published in Nature Medicine, demonstrating that monoclonal antibodies, which are complex proteins, could be durably and tolerably expressed in humans using this approach. INOVIO has stated that it is building on this research to evaluate in vivo therapeutic protein production and is preparing preclinical data presentations from its DPROT program, which aims to address limitations of conventional therapeutic protein replacement and gene therapy approaches.

Capital Markets Activity and Nasdaq Listing

INOVIO’s common stock is listed on The Nasdaq Stock Market LLC under the trading symbol INO. The company has used public equity offerings and warrants to support its operations and development programs. For example, INOVIO has entered into underwriting agreements with Piper Sandler & Co. for public offerings of common stock and warrants, as disclosed in Form 8-K filings. These offerings provide capital to fund clinical development, regulatory activities, and corporate operations.

In addition, INOVIO has adopted and used an Inducement Plan to grant stock options to newly hired employees, as reported in multiple press releases. These options typically vest over several years and are granted in accordance with Nasdaq listing rules, aligning employee compensation with the company’s long-term performance.

Geographic Base and Sector Classification

Regulatory filings state that Inovio Pharmaceuticals, Inc. has its principal executive offices in Plymouth Meeting, Pennsylvania, in the United States. While some third-party classifications may place the company in manufacturing-related categories, INOVIO consistently describes itself as a biotechnology company centered on DNA medicines, HPV-related diseases, cancer, and infectious diseases.

Business Model Characteristics

Based on the company’s public disclosures, INOVIO’s activities are concentrated in research, clinical development, regulatory submissions, and preparation for potential commercialization of DNA medicines. The company’s statements emphasize advancing INO-3107 toward potential approval and commercial launch, while also progressing next-generation DNA medicine candidates such as DMAb and DPROT programs. INOVIO also highlights financial discipline and capital-raising activities, including public offerings, to support its pipeline and operations.

Position Within the Biotechnology Landscape

Within the broader biotechnology sector, INOVIO is distinguished in its own description by a focus on DNA-based immunotherapies and DNA medicines delivered via its proprietary CELLECTRA devices. Its work targets HPV-related diseases such as RRP, as well as cancer and infectious diseases, and it has reported peer-reviewed publications and conference presentations related to its clinical and preclinical programs. Investors and observers use these disclosures, along with SEC filings and regulatory milestones, to evaluate the company’s progress and risk profile.

Stock Performance

$1.18
-2.48%
0.03
Last updated: September 25, 2026 at 19:16
-51.4%
Performance 1 year
$122.0M

Inovio Pharmaceuticals (INO) closed at $1.18 on September 25, 2026. Over the past 12 months, the price has lost 51.4%.

See what a $1,000 investment in INO would be worth today

INO Metrics & Rankings

Price returns through September 25, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.

Latest News

Inovio Pharmaceuticals has 10 recent news articles. Of the recent coverage, 8 articles coincided with positive price movement and 2 with negative movement. Key topics include conferences, earnings, earnings date, offering, partnership. View all INO news →

Financial Highlights

Inovio Pharmaceuticals generated $65K in revenue in FY2025, operating income reached -$86.8M (-132871.3% operating margin), and net income was -$85.0M, reflecting a -130082.8% net profit margin. Diluted earnings per share stood at -$1.81. The company generated -$88.6M in operating cash flow. With a current ratio of 1.40, the company maintains adequate short-term liquidity.

$65K
Revenue (FY2025)
-$85.0M
Net Income (FY2025)
-$88.6M
Operating Cash Flow
-130082.8%

Upcoming Events

OCT
30
October 30, 2026 Regulatory

INO-3107 PDUFA decision

FDA has an accelerated-approval PDUFA target date for INO-3107 on Oct 30, 2026; company plans U.S. self-commercialization.
OCT
30
October 30, 2026 Regulatory

PDUFA target date

FDA PDUFA target date for INO-3107 BLA in recurrent respiratory papillomatosis under accelerated approval; late-cycle meeting completed.
OCT
30
October 30, 2026 Regulatory

FDA PDUFA goal date

FDA PDUFA goal date for INO-3107 BLA; standard review; no advisory committee planned
OCT
30
October 30, 2026 Regulatory

PDUFA decision for INO-3107

BLA accepted for INO-3107; FDA PDUFA target date Oct 30, 2026; potential accelerated-approval issue noted
NOV
28
November 28, 2026 Financial

Option vesting 1st tranche

8,000 shares vest (1/3 of 24,000); exercise price $2.06; under 2022 Inducement Plan
JAN
01
January 1, 2027 - March 31, 2027 Operations

Cash runway projection

Company expects current cash and investments to fund operations into Q1 2027 (Jan 1–Mar 31, 2027); monitor financing needs.
NOV
28
November 28, 2027 Financial

Option vesting 2nd tranche

8,000 shares vest (2nd 1/3); exercise price $2.06; contingent on continued employment
NOV
28
November 28, 2028 Financial

Option vesting 3rd tranche

Final 8,000 shares vest (3rd 1/3); exercise price $2.06; subject to option agreement terms

Inovio Pharmaceuticals has 8 upcoming scheduled events. The next event, "INO-3107 PDUFA decision", is scheduled for October 30, 2026 (in 32 days). 3 of the upcoming events are financial in nature, such as earnings calls or quarterly results. Investors can track these dates to stay informed about potential catalysts that may affect the INO stock price.

Short Interest History

Last 12 Months

Short interest in Inovio Pharmaceuticals (INO) currently stands at 19.3 million shares, down 3.6% from the previous reporting period, representing 18.7% of the float. Since September 2025, short interest has increased by 152.5%. This moderate level of short interest indicates notable bearish positioning.

Days to Cover History

Last 12 Months

Days to cover for Inovio Pharmaceuticals (INO) currently stands at 4.4 days, up 16.9% from the previous period. This days-to-cover ratio represents a balanced liquidity scenario for short positions. The days to cover has decreased 46.8% over the past year, suggesting improved liquidity for short covering. The ratio has shown significant volatility over the period, ranging from 2.7 to 14.8 days.

INO Company Profile & Sector Positioning

Inovio Pharmaceuticals (INO) operates in the Biotechnology industry within the broader Healthcare sector and is listed on the NASDAQ.

Investors comparing INO often look at related companies in the same sector, including Molecular Partners AG (MOLN), Protalix BioTherapeutics, Inc. (PLX), Cybin Inc. (CYBN), Nkarta, Inc. (NKTX), and Actuate Therapeutics, Inc. (ACTU). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate INO's relative position within its industry.

Frequently Asked Questions

What is the current stock price of Inovio Pharmaceuticals (INO)?

The current stock price of Inovio Pharmaceuticals (INO) is $1.18 as of September 25, 2026.

What is the market cap of Inovio Pharmaceuticals (INO)?

The market cap of Inovio Pharmaceuticals (INO) is approximately $122.0M. Learn more about what market capitalization means .

What is the revenue of Inovio Pharmaceuticals (INO) stock?

The FY2025 revenue of Inovio Pharmaceuticals (INO) is $65K, from its most recent completed fiscal year.

What is the net income of Inovio Pharmaceuticals (INO)?

The FY2025 net income of Inovio Pharmaceuticals (INO) is -$85.0M, from its most recent completed fiscal year.

What is the earnings per share (EPS) of Inovio Pharmaceuticals (INO)?

The diluted earnings per share (EPS) of Inovio Pharmaceuticals (INO) is -$1.81 for FY2025, its most recent completed fiscal year. Learn more about EPS .

What is the operating cash flow of Inovio Pharmaceuticals (INO)?

The operating cash flow of Inovio Pharmaceuticals (INO) is -$88.6M. Learn about cash flow.

What is the profit margin of Inovio Pharmaceuticals (INO)?

The net profit margin of Inovio Pharmaceuticals (INO) is -130082.8%. Learn about profit margins.

What is the operating margin of Inovio Pharmaceuticals (INO)?

The operating profit margin of Inovio Pharmaceuticals (INO) is -132871.3%. Learn about operating margins.

What is the current ratio of Inovio Pharmaceuticals (INO)?

The current ratio of Inovio Pharmaceuticals (INO) is 1.40, indicating the company's ability to pay short-term obligations. Learn about liquidity ratios.

What is the operating income of Inovio Pharmaceuticals (INO)?

The operating income of Inovio Pharmaceuticals (INO) is -$86.8M. Learn about operating income.

What does Inovio Pharmaceuticals, Inc. do?

Inovio Pharmaceuticals, Inc. (INOVIO) is a biotechnology company focused on developing and commercializing DNA medicines to help treat and protect people from HPV-related diseases, cancer, and infectious diseases. Its technology is designed to teach the body to manufacture its own disease-fighting tools using precisely designed DNA plasmids delivered by its proprietary CELLECTRA device.

What is INOVIO’s lead product candidate?

INOVIO’s lead product candidate is INO-3107, an investigational DNA medicine designed for adults with recurrent respiratory papillomatosis (RRP), a rare HPV-related disease of the respiratory tract. INO-3107 is intended to elicit an antigen-specific T cell response against HPV-6 and HPV-11 proteins to target and kill infected cells and potentially prevent or slow the growth of new papillomas.

What is recurrent respiratory papillomatosis (RRP)?

Recurrent respiratory papillomatosis (RRP) is a debilitating and rare disease caused primarily by HPV-6 and HPV-11. It is characterized by wart-like growths, or papillomas, in the respiratory tract that can obstruct the airway and affect the voice. Surgery to remove papillomas is the current standard of care, but papillomas often grow back, leading to repeated procedures and potential long-term damage to the vocal cords.

What regulatory designations has INO-3107 received?

According to INOVIO, the FDA has granted INO-3107 both Orphan Drug and Breakthrough Therapy designations. The European Commission has granted Orphan Drug designation, and the United Kingdom has awarded INO-3107 the Innovation Passport, which serves as the entry point to the Innovative Licensing and Access Pathway (ILAP).

Has the FDA accepted INOVIO’s BLA for INO-3107?

Yes. INOVIO has announced that the U.S. Food and Drug Administration accepted its Biologics License Application (BLA) for INO-3107 for review as a potential treatment for adults with recurrent respiratory papillomatosis. The FDA assigned a Standard review classification for this application.

How does INOVIO’s CELLECTRA device relate to its DNA medicines?

INOVIO’s DNA medicines platform uses precisely designed DNA plasmids delivered by its proprietary investigational medical device, CELLECTRA. The device is designed to optimally deliver DNA medicines to the body’s cells without chemical adjuvants or lipid nanoparticles and without the anti-vector immune response historically seen with some viral vector platforms. INOVIO has also stated that CELLECTRA has received CE-marking in the European Union.

What are INOVIO’s next-generation DNA medicine programs?

INOVIO has highlighted next-generation programs including DNA-Encoded Monoclonal Antibody (DMAb) technology and DNA-encoded protein (DPROT) programs. A Phase 1 proof-of-concept trial of DMAbs for COVID-19, led in collaboration with partners, was published in Nature Medicine and demonstrated durable and tolerable expression of monoclonal antibodies in humans. The company is also preparing preclinical data presentations from its DPROT program, which aims to address limitations of conventional therapeutic protein replacement and gene therapy approaches.

On which exchange does INOVIO trade and what is its ticker symbol?

Inovio Pharmaceuticals, Inc. trades on The Nasdaq Stock Market LLC under the ticker symbol INO. This is disclosed in the company’s SEC filings, where its common stock is listed as having a par value of $0.001 per share and being registered under Section 12(b) of the Exchange Act.

How does INOVIO raise capital for its operations and pipeline?

INOVIO has raised capital through public offerings of common stock and warrants, as described in its Form 8-K filings. The company has entered into underwriting agreements with Piper Sandler & Co. for offerings of shares and warrants, and it has also used an Inducement Plan to grant stock options to newly hired employees. These activities support its research, clinical development, regulatory submissions, and corporate operations.

Where is Inovio Pharmaceuticals, Inc. based?

SEC filings state that Inovio Pharmaceuticals, Inc. has its principal executive offices in Plymouth Meeting, Pennsylvania, in the United States. This location is disclosed in multiple Form 8-K filings that list the city, state, and zip code of the company’s executive offices.