As of October 25, 2026, BioLife Solutions, Inc. is a publicly traded company (Nasdaq: BLFS). The largest insider holding is Casdin Partners GP, LLC, a 10% owner, with 4,757,165 shares (9.7% of shares outstanding) held indirectly (the form names the holder only in its footnotes), per Form 4 of May 21, 2026 (Schedule 13G, June 4, 2026).
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Is BioLife Solutions, Inc. a real, registered company?
- BioLife Solutions, Inc. files with the SEC under CIK 834365 (its SEC filings).
- Its shares are listed under the ticker BLFS on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Bothell, Washington, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under BIOLIFE SOLUTIONS INC in our court records and SEC 8-K records (as of 2026-10-25).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Glazer Capital, LLC (filed 2026-09-24).
Who is behind BioLife Solutions, Inc.?
BioLife Solutions, Inc.: incorporated in Delaware; business address in Bothell, Washington; industry Electromedical & Electrotherapeutic Apparatus (Form 8-K, 2026-10-06).
Officers and directors, each with the role and the filing that names them:
- : Executive Officer (Form D, 2023-10-27)
- : Executive Officer (Form D, 2023-10-27)
- : Executive Officer (Form D, 2023-10-27)
- : Executive Officer (Form D, 2023-10-27)
- : Executive Officer (Form D, 2023-10-27)
- : Executive Officer, Director (Form D, 2023-10-27)
- : Executive Officer (Form D, 2023-10-27)
- : Executive Officer, Director (Form D, 2023-10-27)
- : Director (Form D, 2023-10-27)
- : Director (Form D, 2023-10-27)
- : Director (Form D, 2023-10-27)
- : Director (Form D, 2023-10-27)
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-09-24 | Glazer Capital, LLC | 5.49% |
| Schedule 13G/A, 2026-09-08 | T. Rowe Price Investment Management, Inc. | 7.5% |
| Schedule 13G, 2026-06-04 | Casdin Capital, LLC | 9.7% |
| Schedule 13D/A, 2026-05-22 | Casdin Capital, LLC | 9.7% |
| Schedule 13G/A, 2026-05-15 | T. Rowe Price Investment Management, Inc. | 13.5% |
| Schedule 13G/A, 2026-05-06 | Invesco LTD. | 4.9% |
| Schedule 13G/A, 2026-03-26 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-02-12 | Invesco LTD. | 8.2% |
| Schedule 13G/A, 2026-01-08 | T. Rowe Price Investment Management, Inc. | 10.8% |
| Schedule 13D/A, 2025-10-17 | Casdin Capital, LLC | 12.4% |
| Schedule 13D/A, 2025-08-21 | Casdin Capital, LLC | 14% |
| Schedule 13G, 2025-08-14 | T. Rowe Price Investment Management, Inc. | 8.9% |
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Questions about who owns BioLife Solutions, Inc.
Who owns BioLife Solutions, Inc.?
On this page, 3 holders' latest ownership filings report 5% or more of BioLife Solutions, Inc.: Casdin Capital, LLC (9.7%, Schedule 13G, filed 2026-06-04), T. Rowe Price Investment Management, Inc. (7.5%, Schedule 13G/A, filed 2026-09-08) and Glazer Capital, LLC (5.49%, Schedule 13G, filed 2026-09-24).
Who are the largest shareholders of BioLife Solutions, Inc.?
By the share each holder's latest filing reports, the largest holders of BioLife Solutions, Inc. on this page are Casdin Capital, LLC (9.7%), T. Rowe Price Investment Management, Inc. (7.5%) and Glazer Capital, LLC (5.49%).
When did Casdin Capital, LLC buy into BioLife Solutions, Inc.?
The filings give report dates, not purchase dates. The earliest filing from Casdin Capital, LLC on this page is the Schedule 13D/A, filed 2025-08-21, reporting 14%; its latest, Schedule 13G filed 2026-06-04, reports 9.7%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 12 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
Which insiders own BioLife Solutions, Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- Casdin Partners GP, LLC, a 10% owner: 4,757,165 shares (9.7% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2026-05-21).
- , a 10% owner: 4,757,165 shares (9.7% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2026-05-21).
- Casdin Capital, LLC, a 10% owner: 4,757,165 shares (9.7% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2026-05-21).
- Casdin Partners Master Fund, L.P., a 10% owner: 4,757,165 shares (9.7% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2026-05-21).
- , the chief quality and operations: 108,758 shares (0.22% of shares outstanding) (Form 4, 2026-03-31).
Shares outstanding: 48,906,704 as of 2026-07-30, from the company's latest SEC cover page.
How much has BioLife Solutions, Inc. raised?
| Filed | Sold | Offered |
|---|---|---|
| Form D, 2023-10-27 | $10.37M | $10.37M |
Acquisitions reported on Form 8-K, Item 2.01: completed an acquisition (2026-10-06).
Keep reading
More on BioLife Solutions, Inc. and the records around it.
BioLife Solutions, Inc. elsewhere on the record
- 5%+ stake filings Oct 2026
Companies that share a holder
- Casdin Capital, LLC also filed stake reports on 3 other companies: Standard BioTools Inc. (Jun 2026), Relay Therapeutics, Inc. (Feb 2026), Codexis, Inc. (Nov 2025)
- Invesco Ltd. also filed stake reports on 83 other companies: Alignment Healthcare Inc (Aug 2026), ArcBest Corp (Aug 2026), ARKO Petroleum Corp (Aug 2026)
- Glazer Capital, LLC also filed stake reports on 107 other companies: Bumble Inc (Oct 2026), Weave Communications Inc (Oct 2026), Utz Brands Inc (Oct 2026)
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