Casdin Capital Maintains 9.7% Stake in BioLife Solutions, Inc. as Position Value Increases

On June 4, 2026, Casdin Capital, LLC, along with Casdin Partners Master Fund, L.P., Casdin Partners GP, LLC, and Eli Casdin, filed a Schedule 13G regarding their holdings in BioLife Solutions, Inc. (BLFS). The reporting group disclosed beneficial ownership of 4,757,165 shares of common stock, representing a 9.7% ownership stake in the company. While the total number of shares and the ownership percentage remained consistent with previous reported levels at 4,757,165 shares and 9.7% respectively, the market value of the position increased from approximately $117.69 million to $129.63 million. The filing indicates that the securities are held for investment purposes and not with the intent of changing or influencing the control of the issuer. All reported shares are directly owned by advisory clients of Casdin Capital, LLC, with Casdin Partners Master Fund, L.P. being the primary entity holding more than 5% of the class. The filing was made under Rule 13d-1(c) and includes a joint filing agreement between the entities.