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Waltham Today
By the People, for the People
Primecap Management Co. CA Increases Stake in Repligen Corporation
Biotechnology firm Repligen sees increased institutional investment in Q3 2026
Published on Feb. 28, 2026
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Primecap Management Co. CA, an investment management firm, increased its stake in Repligen Corporation, a biotechnology company, by 35.1% during the third quarter of 2026. Primecap Management now owns 186,868 shares of Repligen, worth approximately $24.98 million, making it one of the company's largest institutional investors.
Why it matters
Repligen is a leading provider of critical bioproduction technologies and consumables used in the development and manufacturing of biopharmaceuticals. Increased institutional investment in the company signals confidence in its growth prospects and the overall strength of the biopharmaceutical industry.
The details
According to a 13F filing with the Securities and Exchange Commission, Primecap Management Co. CA acquired an additional 48,590 shares of Repligen during the third quarter, bringing its total stake in the company to 186,868 shares. This represents approximately 0.33% of Repligen's outstanding shares. The increased investment comes as Repligen has seen strong demand for its products, which are used in the production of monoclonal antibodies and other biologic drugs.
- Primecap Management Co. CA increased its stake in Repligen during the third quarter of 2026.
The players
Primecap Management Co. CA
An investment management firm that manages mutual funds and other investment vehicles.
Repligen Corporation
A biotechnology company that develops and manufactures critical bioproduction technologies and consumables used in the development and manufacturing of biopharmaceuticals.
The takeaway
The increased investment in Repligen by a major institutional investor like Primecap Management Co. CA underscores the growing importance of the biopharmaceutical industry and the demand for the specialized products and services Repligen provides to support the development and production of life-saving drugs.
