ANAPTYSBIO, INC
ANABBusiness Summary
AnaptysBio, Inc. is a clinical-stage biotechnology company focused on developing innovative immunology therapeutics for autoimmune and inflammatory diseases 1. The company's core business model involves generating revenue through financial collaborations, including milestones and royalties from out-licensed therapeutic antibodies, and license and transition services revenue from other collaborations 2. Primary customer segments for its out-licensed products are large biopharmaceutical companies like GSK and Vanda Pharmaceuticals Inc. 3.
The company's wholly-owned clinical-stage pipeline includes rosnilimab, ANB033, and ANB101 4. Rosnilimab is an IgG1 antibody targeting pathogenic T cells for autoimmune and inflammatory diseases, having completed a Phase 2b trial for moderate-to-severe rheumatoid arthritis (RA) 5. ANB033 is a CD122 antagonist in Phase 1b trials for celiac disease (CeD) and eosinophilic esophagitis (EoE) 6. ANB101 is a BDCA2 modulator antibody in a Phase 1a trial, targeting plasmacytoid dendritic cells (pDCs) for autoimmune and inflammatory diseases 7.
In terms of collaborative programs, AnaptysBio has an immuno-oncology collaboration with GSK for Jemperli (dostarlimab-gxly), a PD-1 antagonist antibody 8. Jemperli received FDA approval in April 2021 for advanced or recurrent deficient mismatch repair endometrial cancer (dMMREC), with full approval granted in February 2023 9. A second FDA approval for Jemperli in pan-deficient mismatch repair tumors (PdMMRT) was received in August 2021 10. In July 2023, the FDA approved Jemperli in combination with chemotherapy for dMMR MSI-H primary advanced or recurrent endometrial cancer, followed by EMA approval in December 2023 11. August 2024 saw FDA approval for Jemperli plus chemotherapy for all adult patients with primary advanced or recurrent endometrial cancer, with EMA approval in January 2025 12. GSK reported $1.1 billion in sales for Jemperli for the year ended December 31, 2025, representing greater than 80% sales growth compared to $598.0 million in 2024 13. The company also has an exclusive license agreement with Vanda Pharmaceuticals Inc. for imsidolimab (IL-36R antagonist mAb), which has completed two registration-enabling global Phase 3 trials for generalized pustular psoriasis (GPP) 14. Vanda submitted a BLA for imsidolimab in GPP in December 2025, accepted by the FDA in February 2026 with a target action date of December 12, 2026 15. Under the Vanda License Agreement, AnaptysBio received an upfront payment of $10.0 million and a $5.0 million payment for existing drug supply 16.
For the fiscal year ended December 31, 2025, AnaptysBio reported collaboration revenue of $234.6 million 17. Research and development expenses were $135.970 million 18, and general and administrative expenses were $50.737 million 19. The company incurred a net loss of $13.232 million 20, resulting in a basic and diluted EPS of $(0.46) 21. Non-cash interest expense for the sale of future royalties was $79.893 million 22, and interest income was $13.499 million 23. Cash and cash equivalents stood at $238.196 million 24, with short-term investments of $73.442 million 25 and no long-term investments 26 as of December 31, 2025. The total liability related to the sale of future royalties was $276.528 million 27.
Comparing fiscal year 2025 to 2024, collaboration revenue increased by $143.323 million, from $91.280 million in 2024 to $234.603 million in 2025 28. This increase was driven by an $85.0 million increase in Jemperli sales milestones, a $48.6 million increase in Jemperli and Zejula royalty revenue, and a $9.7 million increase in Vanda license and transition services revenue 29. Research and development expenses decreased by $27.870 million, from $163.840 million in 2024 to $135.970 million in 2025 30. This decrease was primarily due to a $21.6 million decrease in clinical expenses and a $12.0 million decrease in outside services for manufacturing expenses, partially offset by a $5.5 million increase in salaries and related costs 31. General and administrative expenses increased by $8.3 million, from $42.389 million in 2024 to $50.737 million in 2025 32, mainly due to a $5.2 million increase in legal expenses and a $2.5 million increase in transaction costs related to the Vanda License Agreement 33. Non-cash interest expense for the sale of future royalties increased by $29.8 million, from $50.087 million in 2024 to $79.893 million in 2025 34. Interest income decreased by $6.3 million, from $19.794 million in 2024 to $13.499 million in 2025 35.
In September 2025, the company announced plans to explore separating its business into two independent, publicly traded companies: "Royalty Management Co" and "Biopharma Co" 36. In October 2025, GSK terminated the TIM-3 antagonist antibody development program under the existing collaboration, with all rights reverting to AnaptysBio 37. On November 20, 2025, AnaptysBio filed a Verified Complaint in Delaware Chancery Court against TESARO, Inc. and GSK, alleging material breach of the Collaboration Agreement and tortious interference, respectively 38.
Business Outlook
AnaptysBio expects to complete the proposed separation of its business into two independent, publicly traded companies in the second quarter of 2026 39. Upon completion, the clinical-stage biotechnology company is intended to be launched with adequate capital to fund operations for at least twelve months after the separation date 40. The company anticipates the separation to be a taxable event and is focused on minimizing overall corporate and shareholder-level taxes 41.
The company's strategy includes enabling broad development of its autoimmunity and inflammation-focused portfolio, generating translational and clinical data to characterize its molecules and optimize development, innovating in clinical development and execution to achieve proof-of-concept and execute registrational studies, and facilitating global commercialization while retaining rights in key markets to become a fully integrated development and commercial organization 42. AnaptysBio also aims to continue leveraging its research expertise to identify, license, and innovate best-in-class antibodies against high-value immunological targets 43. A key strategic priority is maximizing return on equity through execution against a multi-year capital and operating plan, including managing and returning potential value from future royalty revenues from the GSK financial collaboration to shareholders 44.
The company expects its research and development expenses to be consistent for the foreseeable future as it continues to advance its product candidates 45. General and administrative expenses are expected to increase for the foreseeable future due to costs associated with stock compensation, legal, auditing, filing fees, additional insurance premiums, investor relations expenses, and general compliance and consulting expenses 46.
AnaptysBio believes that its existing cash, cash equivalents, and investments of $311.6 million as of December 31, 2025, will fund its current operating plan for at least the next twelve months from the issuance of its consolidated financial statements 47. The company may seek additional financing in the future through equity or debt financings or through collaborations or partnerships 48.
Risk Factors
Investing in AnaptysBio common stock involves a high degree of risk, including the potential for product candidates to fail or suffer delays in development, which could adversely affect their commercial viability 49. Results from initial clinical trials may not be representative of later-stage trials, and ongoing or planned trials may reveal significant adverse events, toxicities, or other side effects that could inhibit regulatory approval or market acceptance 50. The company and its collaborators may be unable to obtain or may be delayed in obtaining required regulatory approvals in the United States or foreign jurisdictions, materially impairing the ability to commercialize and generate revenue 51. Even if approved, products will be subject to significant post-marketing regulatory requirements 52. The company faces significant competition from major pharmaceutical and biotechnology companies with greater resources and expertise, which could negatively impact commercial opportunities if competitors develop more effective, safer, or less expensive products 53. Product candidates may not achieve adequate market acceptance among physicians, patients, and payors 54. The company currently lacks a marketing and sales force, and failure to establish effective capabilities or third-party agreements could hinder commercialization and revenue generation 55. Manufacturing biologics is complex, and third-party manufacturers may encounter production difficulties, delaying or stopping supply for clinical trials or commercialization 56. Political, economic, or public health events, including macroeconomic conditions like inflation, interest rate volatility, and geopolitical conflicts, may materially impact the U.S. and global economies, affecting the company's business, financial condition, and results of operations 57. The company has a history of operational losses and limited operating revenue, with no products approved for commercial sale, and may not achieve or sustain profitability 58. Additional capital will be required to finance operations, and if unavailable on acceptable terms, development and commercialization efforts may be incomplete 59. The proposed separation into two independent, publicly traded companies is subject to various risks and uncertainties, may not be completed as contemplated, and will involve significant time, effort, and expense 60. The existing collaboration with GSK and other collaborations are crucial, and inability to maintain them or their lack of success could adversely affect the business 61. Failure to establish additional development and commercialization collaborations could also adversely impact the ability to develop and commercialize product candidates 62. Inability to obtain or protect intellectual property rights in the U.S. and globally could impair competitive effectiveness 63. The company must attract and retain highly skilled employees to succeed 64. The market price of the stock has been and may continue to be volatile, leading to potential investment loss 65.
Management Priorities
Management's message to shareholders emphasizes the company's focus as a clinical-stage biotechnology company dedicated to delivering innovative immunology therapeutics for autoimmune and inflammatory diseases. They highlight the ongoing clinical development of their wholly-owned pipeline, including rosnilimab, ANB033, and ANB101, and the revenue generation from out-licensed programs like Jemperli and imsidolimab. A key strategic priority is the proposed separation of the business into two independent, publicly traded companies, "Royalty Management Co" and "Biopharma Co," expected to be completed in the second quarter of 2026 39. Management intends to launch the clinical-stage biotechnology company with adequate capital to fund operations for at least twelve months after the separation 40. They are focused on minimizing overall corporate and shareholder-level taxes related to this anticipated taxable event 41. Management believes that existing cash, cash equivalents, and investments of $311.6 million as of December 31, 2025, will fund the current operating plan for at least the next twelve months 47.
View Source Annual Report on SEC.gov ↗
References
- [1] Item 1, Business — Overview
- [2] Item 1, Business — Overview
- [3] Item 1, Business — Overview
- [4] Item 1, Business — Overview
- [5] Item 1, Business — Rosnilimab
- [6] Item 1, Business — ANB033
- [7] Item 1, Business — ANB101
- [8] Item 1, Business — GSK Collaboration
- [9] Item 1, Business — GSK Collaboration
- [10] Item 1, Business — GSK Collaboration
- [11] Item 1, Business — GSK Collaboration
- [12] Item 1, Business — GSK Collaboration
- [13] Item 1, Business — GSK Collaboration
- [14] Item 1, Business — Vanda Collaboration
- [15] Item 1, Business — Vanda Collaboration
- [16] Item 1, Business — Vanda Collaboration
- [17] Item 7, MD&A — Results of Operations, Collaboration Revenue
- [18] Item 7, MD&A — Results of Operations, Research and Development Expenses
- [19] Item 7, MD&A — Results of Operations, General and Administrative Expenses
- [20] Item 7, MD&A — Results of Operations, Net loss
- [21] Item 7, MD&A — Results of Operations, Net loss per common share: Basic and diluted
- [22] Item 7, MD&A — Results of Operations, Non-Cash Interest Expense for the Sale of Future Royalties
- [23] Item 7, MD&A — Results of Operations, Interest Income
- [24] Item 7, MD&A — Liquidity and Capital Resources
- [25] Item 7, MD&A — Liquidity and Capital Resources
- [26] Item 7, MD&A — Liquidity and Capital Resources
- [27] Item 7, MD&A — Liquidity and Capital Resources
- [28] Item 7, MD&A — Results of Operations, Collaboration Revenue
- [29] Item 7, MD&A — Results of Operations, Collaboration Revenue
- [30] Item 7, MD&A — Results of Operations, Research and Development Expenses
- [31] Item 7, MD&A — Results of Operations, Research and Development Expenses
- [32] Item 7, MD&A — Results of Operations, General and Administrative Expenses
- [33] Item 7, MD&A — Results of Operations, General and Administrative Expenses
- [34] Item 7, MD&A — Results of Operations, Non-Cash Interest Expense for the Sale of Future Royalties
- [35] Item 7, MD&A — Results of Operations, Interest Income
- [36] Item 1, Business — Intention to Separate Company
- [37] Item 1, Business — GSK Collaboration
- [38] Item 3, Legal Proceedings
- [39] Item 1, Business — Intention to Separate Company
- [40] Item 1, Business — Intention to Separate Company
- [41] Item 1, Business — Intention to Separate Company
- [42] Item 1, Business — Our Strategy
- [43] Item 1, Business — Our Strategy
- [44] Item 1, Business — Our Strategy
- [45] Item 7, MD&A — Research and Development Expense
- [46] Item 7, MD&A — General and Administrative Expense
- [47] Item 7, MD&A — Liquidity and Capital Resources
- [48] Item 7, MD&A — Funding Requirements
- [49] Item 1A, Risk Factors — Summary of Risk Factors
- [50] Item 1A, Risk Factors — Summary of Risk Factors
- [51] Item 1A, Risk Factors — Summary of Risk Factors
- [52] Item 1A, Risk Factors — Summary of Risk Factors
- [53] Item 1A, Risk Factors — Summary of Risk Factors
- [54] Item 1A, Risk Factors — Summary of Risk Factors
- [55] Item 1A, Risk Factors — Summary of Risk Factors
- [56] Item 1A, Risk Factors — Summary of Risk Factors
- [57] Item 1A, Risk Factors — Summary of Risk Factors
- [58] Item 1A, Risk Factors — Summary of Risk Factors
- [59] Item 1A, Risk Factors — Summary of Risk Factors
- [60] Item 1A, Risk Factors — Summary of Risk Factors
- [61] Item 1A, Risk Factors — Summary of Risk Factors
- [62] Item 1A, Risk Factors — Summary of Risk Factors
- [63] Item 1A, Risk Factors — Summary of Risk Factors
- [64] Item 1A, Risk Factors — Summary of Risk Factors
- [65] Item 1A, Risk Factors — Summary of Risk Factors
Analysis on 5/19/2026