Filing Manager
Casdin Capital, LLC
Reporting Manager
Casdin Capital, LLC
Symbol
BLFS
Shares outstanding
48,041,653 shares
Disclosed Ownership
5,957,165 shares
Ownership
12%
Form type
SCHEDULE 13D/A
Filing time
17 Oct 2025, 20:04:16 UTC
Date of event
15 Oct 2025
Previous filing
21 Aug 2025

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Quoteable Key Fact

"Casdin Capital, LLC disclosed 12% ownership in BioLife Solutions, Inc. Common Stock, par value $0.001 per share (BLFS) on 15 Oct 2025."

Quick Takeaways

  • Casdin Capital, LLC filed SCHEDULE 13D/A for BioLife Solutions, Inc. Common Stock, par value $0.001 per share (BLFS).
  • Disclosed ownership: 12%.
  • Date of event: 15 Oct 2025.

What Changed

  • Previous schedule filing date: 21 Aug 2025.
  • Current filing was accepted on 17 Oct 2025, 20:04.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Casdin Capital, LLC 12% 5,957,165 0 5,957,165 By Eli Casdin /s/ Eli Casdin* Eli Casdin / Managing Member 0001534261
Casdin Partners Master Fund, L.P. 12% 5,957,165 0 5,957,165 By Eli Casdin /s/ Eli Casdin* Eli Casdin / Managing Member 0001534265
Casdin Partners GP, LLC 12% 5,957,165 0 5,957,165 By Eli Casdin /s/ Eli Casdin* Eli Casdin / Managing Member 0001534260
Eli Casdin 12% 5,957,165 0 5,957,165 By Eli Casdin /s/ By Eli Casdin* Eli Casdin 0001534264