BioLife Solutions
BLFS · NASDAQ
Price unavailable right now.
No price history for this range.
Who owns BLFS
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 55.6% of BLFS’s shares.
- T. Rowe Price Investment Management, Inc.13.8%
- BlackRock Institutional Trust Company, N.A.11.7%
- Casdin Capital, LLC9.5%
- Invesco Advisers, Inc.4.5%
- Next 6 largest institutions16.2%
- All other shareholders44.4%
| Holder | Shares | % of shares |
|---|---|---|
| T. Rowe Price Investment Management, Inc. | 6.75M | 13.80% |
| BlackRock Institutional Trust Company, N.A. | 5.71M | 11.67% |
| Casdin Capital, LLC | 4.66M | 9.52% |
| Invesco Advisers, Inc. | 2.18M | 4.45% |
| Vanguard Capital Management, LLC | 1.96M | 4.01% |
| State Street Investment Management (US) | 1.66M | 3.38% |
| Geode Capital Management, L.L.C. | 1.09M | 2.22% |
| MFS Investment Management | 1.08M | 2.21% |
| Fred Alger Management, LLC | 1.08M | 2.20% |
| Dimensional Fund Advisors, L.P. | 1.05M | 2.14% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| T. Rowe Price Small Cap Stock Fund | 2.50M | 5.10% |
| iShares Core S&P Small-Cap ETF | 2.41M | 4.93% |
| Vanguard Total Stock Market Index Fund | 1.46M | 2.99% |
| T. Rowe Price Institutional Small-Cap Stock Fund | 1.36M | 2.78% |
| iShares Russell 2000 ETF | 1.09M | 2.23% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $28.13M (3 trades) of BLFS on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Werner Sean | Other | 69.98K | — |
| Werner Sean | Tax withholding | 71.23K | $2.75M |
| Werner Sean | Award | 48.23K | — |
| Werner Sean | Award | 45.84K | — |
| Wichterman Troy | Other | 256.00K | — |
| Wichterman Troy | Tax withholding | 95.93K | $3.70M |
| Wichterman Troy | Award | 62.30K | — |
| Wichterman Troy | Award | 76.20K | — |
| DuRoss Amy | Other | 26.86K | — |
| Coste Catherine | Other | 13.87K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 4.00M
- Days to cover
- 4.33
- % of shares outstanding
- 8.18%
- Average daily volume
- 923.76K
- Change since last report
- +3.0%
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