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TSHA vs TVGN

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Taysha Gene Therapies, Inc. Common Stock and Tevogen Inc. Common Stock

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Daily close · 2026-10-20

Price return

Both stocks start at 0% on the first shared trading day.

TSHA-62.22%
TVGN-98.63%
Price return: TSHA and TVGNHistorical recorded observations on the same scale. Missing metrics leave gaps.-108%-75%-42%-9%24%202220222023202420252026

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Split-adjusted closing prices. Dividends are excluded.Year ranges begin January 1 of the end year minus the selected years.
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CONTEXT ATTACHEDTSHA + TVGNPrices, financials and SEC filing evidence

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Similarity
64.2%
3 shared / 5 total tags

How similar are their businesses?

The score compares business activities in annual filings released in 2025. Core activities receive four times the weight of material activities. Industries that fewer companies share carry more weight.

BiotechnologyHealthcarePharmaceuticals
How we measure overlap ↗
The businesses behind the score

Industry overlap

Filing-derived business activity overlapCounts of retained positive business classifications. Circle sizes do not encode the counts or the weighted similarity score.TSHA only0Shared3TVGN only2

TSHA only · 0

No activities in this group.

Shared activities · 3

TVGN only · 2

Positive activities from the two selected annual filings. Expand each group to view all its activities, or use the complete table below. These are classification sets, not revenue shares. The weighted similarity score also accounts for exposure and how common each activity is.
Show business activity table · 5 rows, 3 columns

Core activities receive full weight; material activities receive one quarter. Select a tag to read the filing evidence.

Business activityTSHATVGN
CoreCore
CoreCore
CoreCore
Not taggedCore
Not taggedMaterial

Biotechnology

TSHA Core

Annual filing released 2025-02-26 · GPT 6 Luna

We are a clinical-stage biotechnology company focused on advancing AAV-based gene therapies for the treatment of severe monogenic diseases of the central nervous system, or CNS. Our lead clinical program TSHA-102 is in development for the treatment of Rett syndrome, a rare neurodevelopmental disorder with no approved disease-modifying therapies that address the genetic root cause of the disease. With a singular focus on developing transformative medicines, we aim to address severe unmet medical needs and dramatically improve the lives of patients and their caregivers. Our management team has proven experience in gene therapy development and commercialization. We leverage this experience, our manufacturing process and a clinically and commercially proven AAV9 capsid in an effort to rapidly translate treatments from bench to bedside.
If the Company was denied approval, approval was delayed or the Company was unable to maintain approval for any product candidate, it could have a materially adverse impact on the Company. Segments Operating segments are identified as components of an enterprise about which separate discrete financial information is available for evaluation by the chief operating decision-maker in making decisions regarding resource allocation and assessing performance. The Company views its operations and manages its business as a single operating segment, the gene therapy segment, which is the business of developing AAV-based gene therapies for the treatment of rare monogenic diseases of the central nervous system. See Note 16 for additional information. As of December 31, 2024 and 2023, the Company did not have any significant long-lived assets located outside of the United States. F-8
Read the annual filing ↗

TVGN Core

Annual filing released 2025-04-02 · GPT 6 Luna

We are a clinical-stage specialty immunotherapy company harnessing one of nature’s most powerful immunological weapons, CD8+ cytotoxic T lymphocytes (“CTLs”), to develop off-the-shelf, precision T cell therapies for the treatment of infectious diseases, cancers, and other disorders, with the aim of addressing the significant unmet needs of large patient populations. We believe that sustainability and commercial success in the forthcoming era of medicine will rely on ensuring patient accessibility through advanced science, innovative business models and engagement across the development lifecycle and healthcare system. We believe the full potential of T cell therapies remains largely untapped and aspire to be the first biotechnology company offering commercially attractive, economically viable, and cost-effective personalized T cell therapies.
Tevogen Bio Holdings Inc., a Delaware corporation (the “Company”), is a clinical-stage specialty immunotherapy company harnessing the power of CD8+ cytotoxic T lymphocytes to develop off-the-shelf, precision T cell therapies for the treatment of infectious diseases, cancers, and other disorders. The Company’s precision T cell technology, ExacTcell, is a set of processes and methodologies to develop, enrich, and expand single human leukocyte antigen-restricted CTL therapies with proactively selected, precisely defined targets. The Company has completed a Phase 1 proof-of-concept trial for the first clinical product of ExacTcell, TVGN 489, for the treatment of ambulatory, high-risk adult COVID-19 patients, and has other product candidates in its pipeline.
Read the annual filing ↗

Healthcare

TSHA Core

Annual filing released 2025-02-26 · GPT 6 Luna

We are a clinical-stage biotechnology company focused on advancing AAV-based gene therapies for the treatment of severe monogenic diseases of the central nervous system, or CNS. Our lead clinical program TSHA-102 is in development for the treatment of Rett syndrome, a rare neurodevelopmental disorder with no approved disease-modifying therapies that address the genetic root cause of the disease. With a singular focus on developing transformative medicines, we aim to address severe unmet medical needs and dramatically improve the lives of patients and their caregivers. Our management team has proven experience in gene therapy development and commercialization. We leverage this experience, our manufacturing process and a clinically and commercially proven AAV9 capsid in an effort to rapidly translate treatments from bench to bedside.
We are evaluating TSHA-102 in the REVEAL Phase 1/2 adolescent and adult trial, which is a first-in-human, open-label, randomized, dose-escalation and dose-expansion study evaluating the safety and preliminary efficacy of TSHA-102 as a single lumbar intrathecal administration in adolescent and adult females aged 12 years and older with Rett syndrome due to MECP2 loss-of-function mutation. The trial is taking place in Canada and the United States. We are also evaluating TSHA-102 in the REVEAL Phase 1/2 pediatric trial, which is an open-label, randomized, dose-escalation and dose-expansion study evaluating the safety and preliminary efficacy of TSHA-102 as a single lumbar intrathecal administration in pediatric females with Rett syndrome due to MECP2 loss-of-function mutation. The trial is taking place in the United States, Canada and the United Kingdom.
Read the annual filing ↗

TVGN Core

Annual filing released 2025-04-02 · GPT 6 Luna

We are a clinical-stage specialty immunotherapy company harnessing one of nature’s most powerful immunological weapons, CD8+ cytotoxic T lymphocytes (“CTLs”), to develop off-the-shelf, precision T cell therapies for the treatment of infectious diseases, cancers, and other disorders, with the aim of addressing the significant unmet needs of large patient populations. We believe that sustainability and commercial success in the forthcoming era of medicine will rely on ensuring patient accessibility through advanced science, innovative business models and engagement across the development lifecycle and healthcare system. We believe the full potential of T cell therapies remains largely untapped and aspire to be the first biotechnology company offering commercially attractive, economically viable, and cost-effective personalized T cell therapies.
Tevogen Bio Holdings Inc., a Delaware corporation (the “Company”), is a clinical-stage specialty immunotherapy company harnessing the power of CD8+ cytotoxic T lymphocytes to develop off-the-shelf, precision T cell therapies for the treatment of infectious diseases, cancers, and other disorders. The Company’s precision T cell technology, ExacTcell, is a set of processes and methodologies to develop, enrich, and expand single human leukocyte antigen-restricted CTL therapies with proactively selected, precisely defined targets. The Company has completed a Phase 1 proof-of-concept trial for the first clinical product of ExacTcell, TVGN 489, for the treatment of ambulatory, high-risk adult COVID-19 patients, and has other product candidates in its pipeline.
Read the annual filing ↗

Pharmaceuticals

TSHA Core

Annual filing released 2025-02-26 · GPT 6 Luna

We are a clinical-stage biotechnology company focused on advancing AAV-based gene therapies for the treatment of severe monogenic diseases of the central nervous system, or CNS. Our lead clinical program TSHA-102 is in development for the treatment of Rett syndrome, a rare neurodevelopmental disorder with no approved disease-modifying therapies that address the genetic root cause of the disease. With a singular focus on developing transformative medicines, we aim to address severe unmet medical needs and dramatically improve the lives of patients and their caregivers. Our management team has proven experience in gene therapy development and commercialization. We leverage this experience, our manufacturing process and a clinically and commercially proven AAV9 capsid in an effort to rapidly translate treatments from bench to bedside.
TSHA-102 is a self-complementary intrathecally delivered AAV9 gene transfer therapy in clinical evaluation for Rett syndrome, a rare progressive neurodevelopmental disorder caused by mutations in the X-linked MECP2 gene encoding methyl CpG-binding protein 2, or MeCP2, which is essential for regulating neuronal and synaptic function in the brain. The disorder is characterized by loss of communication and hand function, slowing and/or regression of development, motor and respiratory impairment, seizures, intellectual disabilities and shortened life expectancy. Rett syndrome progression is divided into four key stages, beginning with early onset stagnation at 6 to 18 months of age followed by rapid regression, plateau and late motor deterioration. Rett syndrome primarily occurs in females and is one of the most common genetic causes of severe intellectual disability.
Read the annual filing ↗

TVGN Core

Annual filing released 2025-04-02 · GPT 6 Luna

Our goal is to have a positive impact on patients’ health and treatment equity by developing and commercializing personalized cell therapies to treat infectious disease, cancer, and other diseases. Our strategy is to target large patient populations for each pipeline product. Key elements of our strategy to advance toward this goal include the following:
The Company operates in one operating segment, and therefore one reportable segment, and is focused on the global discovery, development and commercialization of proprietary therapeutics. The Company’s business activities are managed on a consolidated basis through the development and potential commercialization of pharmaceutical products, which are aimed at the global market in the event that products are successful in receiving regulatory approvals. Our determination that we operate as a single operating segment is consistent with the financial information regularly reviewed by the chief operating decision maker for purposes of evaluating performance, allocating resources, setting incentive compensation targets, and planning and forecasting for future periods. Our chief operating decision maker is the Chief Executive Officer.
Read the annual filing ↗

Immunotherapy

TSHA Not tagged

Annual filing released 2025-02-26 · GPT 6 Luna

This activity has no positive tag in the selected filing snapshot.

Read the annual filing ↗

TVGN Core

Annual filing released 2025-04-02 · GPT 6 Luna

We are a clinical-stage specialty immunotherapy company harnessing one of nature’s most powerful immunological weapons, CD8+ cytotoxic T lymphocytes (“CTLs”), to develop off-the-shelf, precision T cell therapies for the treatment of infectious diseases, cancers, and other disorders, with the aim of addressing the significant unmet needs of large patient populations. We believe that sustainability and commercial success in the forthcoming era of medicine will rely on ensuring patient accessibility through advanced science, innovative business models and engagement across the development lifecycle and healthcare system. We believe the full potential of T cell therapies remains largely untapped and aspire to be the first biotechnology company offering commercially attractive, economically viable, and cost-effective personalized T cell therapies.
We believe our allogeneic, precision T cell technology, ExacTcellTM, represents a significant scientific breakthrough with the potential to mainstream cell therapy with a new class of off-the-shelf – manufactured and stored for immediate use – T cell therapies with diverse applications across virology, oncology, and other areas. ExacTcell is a set of processes and methodologies to develop, enrich, and expand single human leukocyte antigen (“HLA”) restricted CTL therapies with proactively selected, precisely defined targets. HLA molecules are proteins that play an important role in the immune system’s ability to recognize “self” versus “foreign.” There are numerous HLA types that vary from person to person. CD8+ CTLs, also known as killer T cells, are white blood cells that are part of the immune system and destroy infected, malignant, or otherwise damaged cells.
Read the annual filing ↗

Oncology

TSHA Not tagged

Annual filing released 2025-02-26 · GPT 6 Luna

This activity has no positive tag in the selected filing snapshot.

Read the annual filing ↗

TVGN Material

Annual filing released 2025-04-02 · GPT 6 Luna

In addition to TVGN 489, we have several product candidates under early-stage development in virology, neurology, and oncology using our ExacTcell technology. For example, investigative work is also underway to develop product candidates targeted at human papilloma virus (“HPV”)-related diseases, including TVGN 920 in cervical cancer and TVGN 960 in oropharyngeal cancer, which is a type of mouth and throat cancer. Cervical cancer and oropharyngeal cancer are both commonly caused by HPV. According to the WHO, HPV is responsible for 99% of cervical cancers. Mouth and throat cancers are more diverse, but the WHO estimates that about 70% of oropharyngeal cancers are due to HPV.
Our TVGN 601 is being developed for MS, and our TVGN 930 is being developed for EBV-associated lymphomas. EBV is a common virus that infects over 90% of the world’s adult population, according to the World Health Organization (the “WHO”), and is mainly transmitted through saliva, but also through other body fluids such as blood and semen. EBV is the leading cause of infectious mononucleosis, and infects B-cells, a type of immune cell. Recent studies have suggested a potential link between infection with EBV and later onset of inflammation that causes MS, and EBV infection can lead to a variety of cancers and cancer-like disorders, including lymphomas, nasopharyngeal cancers, Post-Transplant Lymphoproliferative Disorder, and others.
Read the annual filing ↗
What each company does

Compare the businesses

Taysha Gene Therapies, Inc. Common Stock

TSHA · XNAS

Taysha Gene Therapies, Inc., a clinical-stage biotechnology company, focuses on developing and commercializing adeno-associated virus-based gene therapies for the treatment of monogenic diseases of the central nervous system. It primarily develops TSHA-120 for the treatment of giant axonal neuropathy; TSHA-102 for the treatment of Rett syndrome; TSHA-121 for the treatment of CLN7 disease; TSHA-118 for the treatment of CLN1 disease; TSHA-105 for the treatment of SLC13A5 deficiency; TSHA-113 for the treatment of tauopathies; TSHA-106 for the treatment of angelman syndrome; TSHA-114 for the treatment of fragile X syndrome; and TSHA-101 for the treatment of GM2 gangliosidosis. The company has research, collaboration, and license agreement with The University of Texas Southwestern Medical Center. Taysha Gene Therapies, Inc. was incorporated in 2019 and is headquartered in Dallas, Texas.

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Tevogen Inc. Common Stock

TVGN · XNAS

Tevogen Bio Holdings Inc., a clinical-stage specialty immunotherapy company, develops off-the-shelf precision T cell therapies for the treatment of infectious diseases, cancers, and other disorders. The company develops TVGN 489, which has completed Phase 1 clinical trial for the treatment of ambulatory high-risk adult COVID-19 patients; and in phase 1 clinical trial to treat acute SARS-CoV-2 patients with B-cell cancer immune suppression, and other B cell immune suppressed acute SARS-CoV-2 patients with a B cell cancer indication, as well as Long COVID prevention and treatment. It is also developing TVGN 920 which is in preclinical trial for treating cervical cancer; TVGN 960 which is in preclinical trial for treating oropharyngeal cancer; TVGN 601 which is in preclinical trial for treating multiple sclerosis; TVGN 930 which is in preclinical trial for treating Epstein-Barr virus associated lymphomas; and TVGN 116 a product candidate targeted at hepatitis B and is in preclinical trial. Tevogen Bio Holdings Inc. was formerly known as Tevogen Bio Inc. and changed its name to Tevogen Bio Holdings Inc. in February 2024. The company was founded in 2020 and is headquartered in Warren, New Jersey.

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Financial data

Fundamentals side by side

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Show fundamentals table · 11 rows, 3 columns
MetricTSHATVGN
ExchangeXNASXNAS
SectorHealthcareHealthcare
IndustryBiotechnologyBiotechnology
Market observation2026-10-202026-10-20
Closing price (USD)$4.11$6.82
Market cap (USD)$1.34B$44.41M
P/E (TTM)UnavailableUnavailable
Latest annual period2025-12-312025-12-31
Revenue (annual, USD)$9.77MUnavailable
Net income (annual, USD)$-109.00M$-26.28M
Gross margin (annual)UnavailableUnavailable

USD values from stored observations. Fiscal period endings and availability dates may differ.

TSHA period ended 2025-12-31 · available 2026-03-19 · SEC filing ↗TVGN period ended 2025-12-31 · available 2026-03-31 · SEC filing ↗

Related stock comparisons

Browse all TSHA comparisons ↗ · Browse all TVGN comparisons ↗

Behind the comparison

Sources and methodology

Price return uses split-adjusted daily closes and excludes dividends. Both stocks start on the first shared trading day within the selected window. Unavailable metrics leave gaps.

Financials use SEC canonical statements available by the displayed cutoff, retaining each company's fiscal period end. Annual and quarterly amounts are shown separately. P/E is unavailable when earnings do not support a positive ratio.

Business overlap uses industry tags from annual filings released in 2025. Each core activity receives full weight; each material activity receives one quarter of that weight. Rarer industries carry more weight. We sum the smaller exposure for each shared activity and divide it by the sum of the larger exposure for every activity in either company. This measures business overlap, rather than price correlation or expected returns.

Search eligibility requires distinct issuers, a shared core category and at least 20% weighted overlap, supported by industry or sector evidence and specific business activities. Broad classifications require stronger overlap within the same sector. Comparisons also need at least 252 shared price observations within two years, recent trading and a common sourced revenue or net-income trend. Missing P/E or gross margin alone does not exclude a comparison. The eligibility snapshot refreshes daily. Related comparisons use a separate, stricter peer rule; their ten-peer discovery limit does not limit search eligibility. Other stock pairs remain available in the comparison tool.

Statements available through 2026-10-22. Industry snapshot: 2025-12-31 · 5,721 classified issuers.

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