BLFS is no longer listed. Its last trade on record was Oct 7, 2026. The price and figures on this page are from its last trading day and final filings, and are no longer updated.
Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in BLFS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 6.4M | $180.0M | +4.5% | 13.049% | 0.00% |
| 2 | Casdin Capital, LLC | 4.7M | $131.5M | -21.9% | 9.528% | 6.58% |
| 3 | Invesco Ltd. | 2.2M | $63.3M | -4.6% | 4.586% | 0.01% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2.0M | $55.5M | +2.4% | 4.020% | 0.00% |
| 5 | STATE STREET CORP | 1.7M | $46.8M | +5.0% | 3.389% | 0.00% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 1.1M | $30.7M | +11.8% | 2.225% | 0.00% |
| 7 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.1M | $30.5M | -9.8% | 2.209% | 0.01% |
| 8 | FRED ALGER MANAGEMENT, LLC | 1.1M | $30.4M | -0.2% | 2.206% | 0.10% |
| 9 | DIMENSIONAL FUND ADVISORS LP | 1.0M | $29.5M | +1.0% | 2.141% | 0.01% |
| 10 | FMR LLC | 993K | $28.0M | -32.5% | 2.033% | 0.00% |
| 11 | BANK OF AMERICA CORP /DE/ | 950K | $26.8M | +5.1% | 1.945% | 0.00% |
| 12 | VANGUARD PORTFOLIO MANAGEMENT LLC | 913K | $25.8M | +5.6% | 1.869% | 0.00% |
| 13 | ROYAL BANK OF CANADA | 891K | $25.2M | +0.6% | 1.824% | 0.00% |
| 14 | UBS Group AG | 832K | $23.5M | +212.9% | 1.703% | 0.00% |
| 15 | Stephens Investment Management Group LLC | 709K | $20.0M | +5.3% | 1.451% | 0.21% |
| 16 | MILLENNIUM MANAGEMENT LLC | 676K | $19.1M | — | 1.383% | 0.01% |
| 17 | ROYCE & ASSOCIATES LP | 624K | $17.6M | +6.8% | 1.277% | 0.14% |
| 18 | GENEVA CAPITAL MANAGEMENT LLC | 582K | $16.4M | -21.3% | 1.192% | 0.38% |
| 19 | CRAMER ROSENTHAL MCGLYNN LLC | 576K | $16.3M | -9.0% | 1.179% | 0.82% |
| 20 | GOLDMAN SACHS GROUP INC | 569K | $16.1M | +114.3% | 1.165% | 0.00% |
| 21 | NEXT CENTURY GROWTH INVESTORS LLC | 559K | $15.8M | +54.4% | 1.144% | 0.84% |
| 22 | GAGNON SECURITIES LLC | 536K | $15.1M | -0.1% | 1.097% | 2.92% |
| 23 | Granahan Investment Management, LLC | 521K | $14.7M | -27.8% | 1.067% | 0.52% |
| 24 | MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC | 497K | $14.0M | -13.3% | 1.016% | 0.14% |
| 25 | NORTHERN TRUST CORP | 480K | $13.5M | +8.4% | 0.982% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in BLFS — a direct measure of their conviction.
Filings activity in BLFS during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new BLFS position in Q2 2026
Institutions that fully closed their BLFS position in Q2 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 213 | +13% | 101.12% | 0.48 pp | $1.19B | +46% |
| Q1 2026 | 188 | +2.2% | 101.60% | +10.71 pp | $817M | 22% |
| Q4 2025 | 184 | 3.2% | 90.89% | 9.47 pp | $1.05B | 6.1% |
| Q3 2025 | 190 | 2.6% | 100.36% | 1.87 pp | $1.11B | +17% |
| Q2 2025 | 195 | +3.2% | 102.23% | 0.05 pp | $949M | 13% |
| Q1 2025 | 189 | +3.8% | 102.28% | +3.01 pp | $1.09B | 8.7% |
| Q4 2024 | 182 | 5.2% | 99.27% | +2.13 pp | $1.19B | +7.8% |
| Q3 2024 | 192 | — | 97.14% | — | $1.11B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying BLFS stock.
Based on Q2 2026 13F filings, institutional ownership of BioLife Solutions, Inc. stands at 101.1%, held across 213 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of BLFS, with approximately 6,375,545 shares worth $0.18B as of Q2 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of BLFS, including MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for BLFS is 53 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
52 institutions opened new positions in BLFS during Q2 2026, while 27 fully exited. 142 added to existing positions and 14 trimmed.
BLFS institutional ownership fell by 0.48 percentage points quarter-over-quarter, with a net change of +25 holders.
The top 10 institutions account for 52.5% of all reported 13F value in BLFS, and the top 25 account for 76.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
BioLife Solutions, Inc. (BLFS) Institutional Ownership