Ocular Therapeutix, Inc., a biopharmaceutical company, focuses on the formulation, development, and commercialization of therapies for diseases and conditions of the eye using its bioresorbable hydrogel-based formulation technology in the United States. The company markets DEXTENZA, a dexamethasone ophthalmic insert to treat post-surgical ocular inflammation and pain following ophthalmic surgery, as well as allergic conjunctivitis. It is developing AXPAXLI, an axitinib intravitreal implant that is in phase 3 trials for the treatment of wet age-related macular degeneration and other retinal diseases; PAXTRAVA, a travoprost intracameral implant, which is in phase 2 clinical trials for the treatment of open-angle glaucoma or ocular hypertension; OTX-CSI, a cyclosporine intracanalicular insert that has completed phase 2 clinical trials for the treatment of dry eye disease; and OTX-DED, a dexamethasone intracanalicular insert, which is in phase 2 clinical trials for the short-term treatment of the signs and symptoms of dry eye disease. In addition, the company offers modulator for intermediate and late dry age-related macular degeneration; and gene delivery for inherited retinal degenerations and protein biofactory indications. The company has a strategic collaboration with Regeneron Pharmaceuticals, Inc. (Regeneron) for the development and commercialization of products using the company's sustained-release hydrogel in combination with Regeneron's large molecule VEGF-targeting compounds for the treatment of retinal diseases; and AffaMed Therapeutics Limited for the development and commercialization of DEXTENZA and OTX-TIC. Ocular Therapeutix, Inc. was incorporated in 2006 and is headquartered in Bedford, Massachusetts.

Allovir, Inc., a clinical-stage cell therapy company, engages in the research and development of allogeneic, off-the-shelf multi-virus specific T cell (VST) therapies to prevent and treat devastating viral-associated diseases. The company's lead product is posoleucel, an allogeneic, off-the-shelf VST therapy, to treat BK virus, cytomegalovirus, adenovirus, Epstein-Barr virus, human herpesvirus 6, and JC virus. Its preclinical and clinical development product candidates include ALVR106 for the respiratory syncytial virus, influenza, parainfluenza virus, and human metapneumovirus; ALVR109 to treat SARS-CoV-2 and COVID-19; ALVR107 for treating hepatitis B; and ALVR108. The company was formerly known as ViraCyte, Inc. and changed its name to Allovir, Inc. in May 2019. The company was incorporated in 2013 and is based in Waltham, Massachusetts.

Viridian Therapeutics, Inc., a biotechnology company, discover and develops treatments for serious and rare diseases. The company's product pipeline includes VRDN-001, a monoclonal antibody targeting insulin-like growth factor-1 receptor that is in Phase 3 clinical trial for the treatment of thyroid eye disease (TED); and VRDN-003, a next generation IGF-1R humanized monoclonal antibodies targeting IGF-1R and incorporating half-life extension technology for the treatment of TED. It also provides VRDN-006 a preclinical program for autoimmune disease. In addition, the company offers VRDN-006 and VRDN-008 a preclinical program for autoimmune disease. The company was formerly known as Miragen Therapeutics, Inc. and changed its name to Viridian Therapeutics, Inc. in January 2021.Viridian Therapeutics, Inc. was founded in 2010 and is headquartered in Waltham, Massachusetts.

EyePoint Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, engages in developing and commercializing therapeutics to improve the lives of patients with serious retinal diseases. The company's pipeline leverages its proprietary bioerodible Durasert E technology for sustained intraocular drug delivery. Its lead product candidate is EYP-1901, an investigational sustained delivery treatment for VEGF-mediated retinal diseases combining vorolanib, a selective and patent-protected tyrosine kinase inhibitor with Durasert E which is in Phase 2 clinical trials for wet age-related macular degeneration (wet AMD), non-proliferative diabetic retinopathy (NPDR), and diabetic macular edema (DME). The company's pipeline programs also include EYP-2301, a promising TIE-2 agonist formulated in Durasert E to potentially improve outcomes in serious retinal diseases. The company was formerly known as pSivida Corp. and changed its name to EyePoint Pharmaceuticals, Inc. in March 2018. EyePoint Pharmaceuticals, Inc. was incorporated in 1987 and is headquartered in Watertown, Massachusetts.

Astria Therapeutics, Inc., a biopharmaceutical company, focuses on the discovery, development, and commercialization of therapeutics for allergic and immunological diseases in the United States. Its lead product candidate is STAR-0215, a monoclonal antibody inhibitor of plasma kallikrein, which is in Phase 1b/2 clinical trials for the treatment of hereditary angioedema. The company is also developing STAR-0310, a monoclonal antibody OX40 antagonist that is in preclinical development for the treatment of atopic dermatitis, an immune disorder associated with loss of skin barrier function and itching. The company was formerly known as Catabasis Pharmaceuticals, Inc. and changed its name to Astria Therapeutics, Inc. in September 2021. Astria Therapeutics, Inc. was incorporated in 2008 and is headquartered in Boston, Massachusetts.

Adverum Biotechnologies, Inc., a clinical-stage company, develops gene therapy product candidates to treat ocular diseases. Its lead product candidate is ixoberogene soroparvovec (ADVM-022), a single intravitreal injection gene therapy candidate used for the treatment of patients with wet age-related macular degeneration and diabetic macular edema which is in phase 2 clinical trials. The company is developing ADVM-062 (AAV.7m8-L-opsin), a novel gene therapy product candidate for the treatment of blue cone monochromacy via a single IVT injection. Adverum Biotechnologies, Inc. has license and collaboration agreements with University of California; GenSight Biologics; Lexeo Therapeutics; and Virovek, Inc. The company was formerly known as Avalanche Biotechnologies, Inc. and changed its name to Adverum Biotechnologies, Inc. in May 2016. Adverum Biotechnologies, Inc. was incorporated in 2006 and is headquartered in Redwood City, California.

Q32 Bio Inc., a clinical-stage biotechnology company, develops biologic therapeutics to restore healthy immune balance in patients with autoimmune and inflammatory diseases driven by pathological immune dysfunction in the United States. Its lead product candidate is ADX-097, a humanized anti-C3d monoclonal antibody fusion protein to restore complement regulation, which has completed Phase I clinical trial for the treatment of renal and other complement-mediated diseases of high unmet need, including lupus nephritis, immunoglobulin A nephropathy, complement component 3 glomerulopathy, and anti-neutrophil cytoplasmic antibody-associated vasculitis. The company is also developing Bempikibart (ADX-914), a fully human anti–interleukin-7 receptor alpha antagonist monoclonal antibody designed to re-regulate adaptive immune function by blocking signaling mediated by interleukin-7 and thymic stromal lymphopoietin that is Phase II clinical trial for the treatment of atopic dermatitis and alopecia areata. Q32 Bio Inc. was formerly known as AdMIRx Inc. and changed its name to Q32 Bio Inc. in April 2020. The company was founded in 2017 and is based in Waltham, Massachusetts.

KALA BIO, Inc., a clinical-stage biopharmaceutical company, engages in the research, development, and commercialization of innovative therapies for rare and severe eye diseases in the United States. The company's product candidates include KPI-012, which is in Phase 2b clinical trial for the treatment of persistent corneal epithelial defects. Its preclinical development product, including KPI-014 for the treatment of rare inherited retinal diseases. The company was formerly known as Kala Pharmaceuticals, Inc. and changed its name to KALA BIO, Inc. in August 2023. KALA BIO, Inc. was incorporated in 2009 and is headquartered in Arlington, Massachusetts.