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Primer Ventures is an early-stage venture capital firm founded in 2023 and based in Palo Alto, California. The firm is registered as "Primer Ventures I, LP" and focuses exclusively on life sciences, particularly at the intersection of life science tools and therapeutics. Primer Ventures aims to translate cutting-edge science into impactful products and therapies, supporting entrepreneurs in navigating the complexities of the healthcare market.
As a newly established firm, Primer Ventures is still building its portfolio and track record. The founder, Alexis Ji, previously served as a Partner at Illumina Ventures, where she executed over 50 deals across North America and Europe. This experience provides Primer Ventures with deep access to the genomics and sequencing ecosystem, enhancing its ability to identify and support promising startups in the life sciences sector.
Currently, Primer Ventures is focused on early-stage investments, specifically in the pre-seed, seed, and Series A stages. The firm is dedicated to fostering innovation in healthcare and aims to partner with entrepreneurs who are developing groundbreaking solutions in life sciences.
Primer Ventures invests in early-stage companies that are innovating within the life sciences sector, with a particular emphasis on life science tools and therapeutics. The firm’s investment strategy encompasses several key areas, including synthetic biology, genomics, molecular diagnostics, and new therapeutic modalities. This focus allows Primer Ventures to target companies that are developing solutions capable of significantly impacting healthcare.
Investment stages include pre-seed, seed, and Series A, aligning with the firm’s commitment to supporting startups at critical points in their development. Primer Ventures seeks to back entrepreneurs who are pioneering advancements in genetic medicine, regenerative medicines, and drug resistance therapies. The firm’s thesis-driven approach emphasizes breakthrough innovations that leverage the latest scientific advancements.
In addition to its sector focus, Primer Ventures values partnerships with founders who demonstrate a strong vision and capability to navigate the complexities of bringing innovative products to market. The firm’s deep expertise in the life sciences sector positions it to provide substantial support to its portfolio companies.
Primer Ventures has made notable investments in several companies within the life sciences sector. The most prominent portfolio company is Curio Bioscience, which specializes in single-cell spatial profiling technology and has been acquired by Takara Bio. This acquisition serves as a validation of Primer Ventures' investment thesis in the genomics tools space.
Other investments include a next-generation digital counting platform, which aims to enhance molecular diagnostics, and targeted therapies designed to address drug resistance. Additionally, Primer Ventures is involved in genetic medicine initiatives focused on autoimmune diseases, showcasing its commitment to supporting innovative healthcare solutions.
While the portfolio is still developing, these investments reflect Primer Ventures' strategic focus on companies that are at the forefront of life science innovations.
Alexis Ji - Founder and General Partner. Alexis Ji has a background as a Partner at Illumina Ventures, where she executed over 50 deals in the genomics space. Her expertise lies in genomics and life sciences, providing Primer Ventures with a strong foundation in the industry.
Submit your pitch through their website contact form for consideration.
In 2023, Primer Ventures was founded by Alexis Ji, who previously worked at Illumina Ventures. The firm has since focused on building its portfolio in the life sciences sector, with notable investments including Curio Bioscience, which was acquired by Takara Bio.
As of 2026, Primer Ventures continues to seek early-stage investment opportunities in the healthcare sector, emphasizing its commitment to supporting breakthrough innovations in life science tools and therapeutics.
What are Primer Ventures' investment criteria?
Primer Ventures focuses on early-stage companies in the life sciences sector, particularly those innovating in life science tools and therapeutics. The firm seeks to invest in pre-seed, seed, and Series A stages, targeting areas such as synthetic biology, genomics, and molecular diagnostics.
How can startups apply or pitch to Primer Ventures?
Startups interested in pitching to Primer Ventures should prepare a detailed presentation that outlines their innovative solutions, market potential, and the team’s expertise. While specific application forms are not mentioned, a direct approach via their official website is recommended.
What makes Primer Ventures different from other VC firms?
Primer Ventures distinguishes itself through its exclusive focus on life sciences and its founder's extensive experience in genomics. This specialized knowledge enables the firm to provide tailored support to portfolio companies navigating the complexities of the healthcare market.
What is Primer Ventures' geographic scope?
The firm primarily invests in companies based in the United States, aligning with its focus on early-stage innovations within the domestic healthcare sector.
What is the typical check size for investments?
While specific check sizes are not disclosed, Primer Ventures targets early-stage investments, which typically range from several hundred thousand to a few million dollars, depending on the stage and needs of the startup.
What kind of post-investment involvement does Primer Ventures have?
Primer Ventures adds value to its portfolio companies through its deep expertise in the life sciences sector, leveraging its founder's experience and industry connections to support entrepreneurs in bringing their products to market.
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