Spero Therapeutics, Inc. is a biopharmaceutical firm in the clinical development stage, primarily focused on discovering, advancing, and commercializing innovative treatments for multi-drug resistant (MDR) bacterial infections and rare diseases within the United States. The company's pipeline includes several key therapeutic candidates: tebipenem pivoxil hydrobromide (HBr), an oral carbapenem-class antibiotic designed to address complicated urinary tract infections (cUTIs), including pyelonephritis, in adult patients. SPR206, an intravenously administered agent specifically developed to combat MDR Gram-negative bacterial infections in hospital environments. SPR720, an oral antibiotic targeting non-tuberculous mycobacterial (NTM) pulmonary disease. Spero Therapeutics has also forged several strategic alliances: A licensing agreement with Meiji Seika Pharma Co., Ltd. supports the ongoing development of tebipenem HBr. A separate licensing deal with Everest Medicines grants rights for the development, manufacturing, and commercialization of SPR206 across Greater China, South Korea, and various Southeast Asian nations. The company collaborates with the Bill & Melinda Gates Medical Research Institute to advance SPR720 for treating lung infections caused by Mycobacterium tuberculosis. Furthermore, a licensing agreement with Vertex Pharmaceuticals Incorporated covers patents associated with SPR720 and its active metabolite, SPR719. Founded in 2013, Spero Therapeutics maintains its corporate headquarters in Cambridge, Massachusetts.
Subscribe to see Spero Therapeutics, Inc.’s full profile → the full roster, investors in every round, weekly hiring history and every corporate event
Spero Therapeutics, Inc. is a biotech company headquartered in Cambridge, United States. It is publicly listed (SPRO) with a market capitalisation of $70.6M. Xcout tracks 16 named people at Spero Therapeutics, Inc., including Esther Rajavelu (CEO, President, CFO, Chief Business Officer, Treasurer & Director).
10 more named people on record for Spero Therapeutics, Inc., with roles, board committees and tenure — see the full roster →
The most recent:
| Date | Round | Amount | Investors |
|---|---|---|---|
| Series C | $51.7M | — |
Some filings are not shown as funding rounds.
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
A few of Spero Therapeutics, Inc.'s closest competitors — see the full list of competitors and alternatives →
Summit Therapeutics Inc. is a biopharmaceutical firm dedicated to discovering, developing, and commercializing therapeutic solutions, primarily targeting infectious diseases across the United States and Latin America. The company's clinical development pipeline is heavily concentrated on therapies for Clostridioides difficile infection (CDI). Its flagship product candidate, ridinilazole, is an orally administered small molecule antibiotic currently advancing through Phase III clinical trials as a treatment for CDI. Beyond its lead asset, Summit Therapeutics is also progressing SMT-738, designed to combat multidrug-resistant infections, notably carbapenem-resistant Enterobacteriaceae (CRE). Additionally, its DDS-04 series represents a potential therapeutic avenue for various infections caused by the Enterobacteriaceae family of bacteria. Established in 2003, the company maintains its headquarters in Cambridge, Massachusetts.
Moderna, Inc., a biotechnology firm, is dedicated to the discovery, development, and commercialization of messenger RNA (mRNA) based therapies and preventive medicines. Its extensive research and development efforts target a broad spectrum of medical needs, including infectious diseases, cancer immunology, rare conditions, cardiovascular ailments, and autoimmune disorders, with operations spanning the United States, Europe, and other global markets. The company's diverse product pipeline encompasses various vaccine candidates: those for respiratory illnesses like COVID-19, influenza, and respiratory syncytial virus (RSV); latent viral infections such as cytomegalovirus (CMV), Epstein-Barr virus (EBV), human immunodeficiency virus (HIV), herpes simplex virus (HSV), and varicella-zoster virus (VZV); and public health threats like Zika and Nipah. Additionally, Moderna is advancing systemic secreted and cell surface-targeted therapeutics, an array of cancer vaccines (including personalized, KRAS, and checkpoint varieties), intratumoral immuno-oncology products, localized regenerative treatments, systemic intracellular medicines, and inhaled pulmonary solutions. Moderna maintains strategic alliances with several prominent entities, including AstraZeneca PLC, Merck & Co., Inc., Vertex Pharmaceuticals Incorporated, Vertex Pharmaceuticals (Europe) Limited, Carisma Therapeutics, Inc., Metagenomi, Inc., the Defense Advanced Research Projects Agency (DARPA), the Biomedical Advanced Research and Development Authority (BARDA), the Institute for Life Changing Medicines, and The Bill & Melinda Gates Foundation. It also holds a collaboration and license agreement with Chiesi Farmaceutici S.P.A. Founded in 2010 as Moderna Therapeutics, Inc., the company officially became Moderna, Inc. in August 2018. Its corporate headquarters are located in Cambridge, Massachusetts.
Vedanta Biosciences, Inc. is headquartered in Cambridge, Massachusetts, and develops groundbreaking microbiome-derived immunotherapies and therapeutics to improve patient lives.
Seres Therapeutics, Inc. is a pioneering microbiome therapeutics firm dedicated to engineering bacterial consortia that modulate host cells and tissues to combat various diseases. Their flagship therapeutic, SER-109, an oral microbiome treatment, has successfully concluded Phase III clinical trials for the management of Clostridioides difficile infection (CDI). The company's pipeline further encompasses SER-155, a synthetically cultured bacterial formulation currently undergoing Phase Ib evaluation. This candidate aims to mitigate the risk of gastrointestinal and bloodstream infections, alongside graft-versus-host disease, in vulnerable patients undergoing allogeneic hematopoietic stem cell or solid organ transplantation. Additionally, Seres Therapeutics is advancing SER-287 and SER-301, both in Phase Ib for ulcerative colitis, as well as SER-401, which targets metastatic melanoma, and SER-262, also directed at Clostridioides difficile infection. Seres maintains strategic alliances through licensing and collaboration agreements with entities such as Nestec Ltd. and Memorial Sloan Kettering Cancer Center. Established in 2010, the company previously operated as Seres Health, Inc. before adopting its current name in May 2015, and it maintains its principal offices in Cambridge, Massachusetts.
Adagio Therapeutics, Inc., a biopharmaceutical firm in its clinical development phase, operates within the United States, specializing in the discovery, progression, and marketing of antibody-derived solutions for infectious diseases. The company's leading drug candidate, ADG20 (adintrevimab), is a neutralizing antibody currently undergoing Phase 3 clinical investigation for both the management and prevention of coronavirus disease. Adagio Therapeutics maintains collaborative agreements with Adimab, LLC to facilitate the identification and enhancement of its exclusive antibodies. Furthermore, it partners with the Scripps Research Institute to conduct studies aimed at uncovering potential vaccine solutions for the prophylaxis, detection, or therapy of influenza or beta coronaviruses. Incorporated in 2020, the company's base of operations is in Waltham, Massachusetts.
Akagera Medicines is a private Delaware-registered company headquartered in Boston, Massachusetts. The company develops novel and patented liposomal formulations of antibacterial drugs.
Funding rounds, acquisitions, new executives, launches and expansions, each with a two-line summary and a link to the source. One short email a day, only when there is news.
Free: up to 5 companies, daily. Subscribers also follow whole sectors and saved filters (M&A in Israel, AI funding…), get instant alerts, in-app notifications and signed webhooks, and open the full profile behind every name. Subscribe →
Post the link and the card appears automatically — each network fetches the image itself.