BioLife Solutions Inc
Ownership
Ownership Structure
Who owns BioLife Solutions Inc (BLFS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 82.0% of the shares are freely tradable; institutional investors hold 104.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| T. Rowe Price Investment Management,Inc. | 13.80 | 6,751,135 | +3.8 | 06/30/2026 |
| BlackRock Inc | 13.03 | 6,375,545 | +4.5 | 06/30/2026 |
| Casdin Capital, LLC | 9.51 | 4,655,000 | -21.9 | 06/30/2026 |
| Amvescap Plc. | 4.58 | 2,240,423 | -4.6 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.01 | 1,964,084 | +2.4 | 06/30/2026 |
| State Street Corp | 3.38 | 1,655,927 | +5.0 | 06/30/2026 |
| Geode Capital Management, LLC | 2.22 | 1,086,865 | +11.8 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.23 | 2,561,025 | +0.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.99 | 1,461,212 | +0.0 | 09/30/2026 |
| iShares Russell 2000 ETF | 2.28 | 1,113,898 | -1.1 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 6, 2026 | Wichterman Troy | Chief Financial Officer | Other | 256,000 | – | – |
| Oct 6, 2026 | Wichterman Troy | Chief Financial Officer | Other | 95,933 | 38.61 | 3,703,973 |
| Oct 6, 2026 | Wichterman Troy | Chief Financial Officer | Other | 62,300 | – | – |
| Oct 6, 2026 | Wichterman Troy | Chief Financial Officer | Other | 76,204 | – | – |
| Oct 6, 2026 | Goswami Joydeep | Director | Other | 53,156 | – | – |
| Oct 6, 2026 | Ellingson Rachel | Director | Other | 57,995 | – | – |
| Oct 6, 2026 | DuRoss Amy | Director | Other | 26,857 | – | – |
| Oct 6, 2026 | Coste Catherine | Director | Other | 13,871 | – | – |
| Oct 6, 2026 | De Greef Roderick | Chief Executive Officer | Other | 826,454 | – | – |
| Oct 6, 2026 | De Greef Roderick | Chief Executive Officer | Other | 364,872 | 38.61 | 14,087,708 |
| Oct 6, 2026 | De Greef Roderick | Chief Executive Officer | Other | 237,460 | – | – |
| Oct 6, 2026 | De Greef Roderick | Chief Executive Officer | Other | 225,670 | – | – |
| Oct 6, 2026 | Hunt Anthony | Director | Other | 15,046 | – | – |
| Oct 6, 2026 | Moore Timothy L. | Director | Other | 44,943 | – | – |
| Oct 6, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Other | 404,608 | – | – |
| Oct 6, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Other | 70,000 | 38.61 | 2,702,700 |
| Oct 6, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Other | 40,192 | – | – |
| Oct 6, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Other | 45,838 | – | – |
| Oct 6, 2026 | Berard Todd | Chief Marketing Officer | Other | 194,786 | – | – |
| Oct 6, 2026 | Berard Todd | Chief Marketing Officer | Other | 46,170 | 38.61 | 1,782,624 |
| Oct 6, 2026 | Berard Todd | Chief Marketing Officer | Other | 40,192 | – | – |
| Oct 6, 2026 | Berard Todd | Chief Marketing Officer | Other | 38,198 | – | – |
| Oct 6, 2026 | Werner Sean | Chief Technology Officer | Other | 69,979 | – | – |
| Oct 6, 2026 | Werner Sean | Chief Technology Officer | Other | 71,226 | 38.61 | 2,750,036 |
| Oct 6, 2026 | Werner Sean | Chief Technology Officer | Other | 48,232 | – | – |
| Oct 6, 2026 | Werner Sean | Chief Technology Officer | Other | 45,838 | – | – |
| Sep 18, 2026 | Berard Todd | Chief Marketing Officer | Other | 470 | 36.69 | 17,244 |
| Sep 18, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Other | 564 | 36.69 | 20,693 |
| Sep 18, 2026 | Werner Sean | Chief Technology Officer | Other | 421 | 36.69 | 15,446 |
| Sep 18, 2026 | De Greef Roderick | President and CEO | Other | 2,775 | 36.69 | 101,815 |
| Sep 18, 2026 | Wichterman Troy | Chief Financial Officer | Other | 937 | 36.69 | 34,379 |
| Sep 8, 2026 | Berard Todd | Chief Marketing Officer | Other | 356 | 35.38 | 12,595 |
| Sep 8, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Other | 627 | 35.38 | 22,183 |
| Sep 8, 2026 | Wichterman Troy | Chief Financial Officer | Other | 1,026 | 35.38 | 36,300 |
| Jul 17, 2026 | Werner Sean | Chief Technology Officer | Other | 275 | 29.15 | 8,016 |
| Jul 7, 2026 | Wichterman Troy | Chief Financial Officer | Other | 844 | 27.79 | 23,455 |
| Jul 7, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Other | 516 | 27.79 | 14,340 |
| Jul 7, 2026 | Berard Todd | Chief Marketing Officer | Other | 293 | 27.79 | 8,142 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: October 7, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.