Anaptys Announces Second Quarter 2025 Financial Results and Provides Business Update

Core Insights - AnaptysBio reported positive Phase 2b data for rosnilimab in rheumatoid arthritis, demonstrating a favorable safety profile and JAK-like efficacy, with durable responses observed for at least 12-14 weeks off-drug [2][5] - The company completed enrollment for a Phase 2 trial of rosnilimab in ulcerative colitis, with top-line data expected in Q4 2025 [4][9] - AnaptysBio plans to initiate a Phase 1b trial for ANB033, a CD122 antagonist targeting celiac disease, by Q4 2025 [2][4] Financial Updates - As of June 30, 2025, AnaptysBio reported cash and investments totaling $293.7 million, down from $420.8 million at the end of 2024, primarily due to operating activities and share repurchases [13] - Collaboration revenue for Q2 2025 was $22.3 million, compared to $11.0 million in Q2 2024, driven by increased royalties from Jemperli [13] - The net loss for Q2 2025 was $38.6 million, an improvement from a net loss of $46.7 million in Q2 2024, with a net loss per share of $1.34 compared to $1.71 in the prior year [13][19] Pipeline Developments - Rosnilimab's Phase 2b trial for rheumatoid arthritis involved 424 patients and showed a best-in-disease profile with monthly dosing [5] - The company is assessing different dosing levels for rosnilimab in the ulcerative colitis trial, with a primary endpoint focused on the modified Mayo score [9] - Ongoing Phase 1 trials for ANB033 and ANB101 are in healthy volunteers, with plans for further updates on ANB033 at a dedicated R&D event later this year [4][6] Collaboration and Milestones - AnaptysBio anticipates a $75 million milestone payment from GSK in 2025 once Jemperli achieves $1 billion in worldwide net sales [4][10] - GSK reported strong sales performance for Jemperli, with Q2 2025 sales of $262 million, reflecting over 19% quarter-over-quarter growth [10]