Stocks › BLFS
BIOLIFE SOLUTIONS INC
BLFS·Nasdaq·
United States·USD
United States·USD$38.61
+0.00 (+0.00%)
Close · Oct 7, 2026 · Close Prices from Tiingo.com
BLFS
BIOLIFE SOLUTIONS INC · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
BLFSS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
Loading price history…
Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of BLFS by members of U.S. Congress · 5 on record
| Politician | Stock | Type | Filed | Traded | |
|---|---|---|---|---|---|
 Christopher L. JacobsHouse · R · NY |
BLFSBIOLIFE SOLUTIONS INC · Stock |
Sale $1,001 - $15,000 |
Jan 20, 2023 | Dec 12, 2022 | Filing ↗ |
| Christopher L. JacobsHouse · R · NY |
BLFSBIOLIFE SOLUTIONS INC · Stock |
Purchase $1,001 - $15,000 |
Dec 12, 2022 | Nov 8, 2022 | Filing ↗ |
 Tom MalinowskiHouse · D · NJ |
BLFSBIOLIFE SOLUTIONS INC · Stock |
Purchase $1,001 - $15,000 |
Jul 1, 2022 | Jun 17, 2020 | Filing ↗ |
| Tom MalinowskiHouse · D · NJ |
BLFSBIOLIFE SOLUTIONS INC · Stock |
Purchase $1,001 - $15,000 |
Mar 5, 2021 | Jul 7, 2020 | Filing ↗ |
| Tom MalinowskiHouse · D · NJ |
BLFSBIOLIFE SOLUTIONS INC · Stock |
Purchase $15,001 - $50,000 |
Mar 5, 2021 | Jun 17, 2020 | Filing ↗ |
Whale Activity
Position changes in BLFS reported for 2026-06-30 by 12 tracked institutional filers
- Increased3
- New3
- Held0
- Decreased2
- Closed1
- No prior filing3
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 6.4M | $180.0M | increased |
| Casdin Capital, LLC | 4.7M | $131.5M | — |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.0M | $55.5M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 913.2K | $25.8M | increased |
| MILLENNIUM MANAGEMENT LLC | 625.7K | $17.7M | new |
| CRAMER ROSENTHAL MCGLYNN LLC | 575.8K | $16.3M | — |
| Heights Point Management, LP | 238.8K | $6.7M | — |
| CITADEL ADVISORS LLC | 157.9K | $4.5M | decreased |
| Point72 Asset Management, L.P. | 35.0K | $989K | new |
| HARVEST MANAGEMENT LLC | 32.0K | $904K | new |
| D. E. Shaw & Co., Inc. | 12.3K | $349K | decreased |
| Renaissance Technologies | 0 | $0 | closed |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by BLFS insiders, by quarter · Form 4
Recent Insider Transactions
1,650 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Berard ToddChief Marketing Officer | Tax withholding | −470 | $26.04 | $12K | Jun 18, 2026 | Form 4 ↗ |
| Werner SeanChief Technology Officer | Tax withholding | −420 | $26.04 | $11K | Jun 18, 2026 | Form 4 ↗ |
| DE GREEF RODERICKPresident and CEO · Director | Tax withholding | −2,775 | $26.04 | $72K | Jun 18, 2026 | Form 4 ↗ |
| Wichterman TroyChief Financial Officer | Tax withholding | −937 | $26.04 | $24K | Jun 18, 2026 | Form 4 ↗ |
| Mathew Aby J.EVP & Chief Scientific Officer | Tax withholding | −564 | $26.04 | $15K | Jun 18, 2026 | Form 4 ↗ |
| Wichterman TroyChief Financial Officer | Tax withholding | −1,026 | $26.10 | $27K | Jun 8, 2026 | Form 4 ↗ |
| Berard ToddChief Marketing Officer | Tax withholding | −356 | $26.10 | $9K | Jun 8, 2026 | Form 4 ↗ |
| Mathew Aby J.EVP & Chief Scientific Officer | Tax withholding | −627 | $26.10 | $16K | Jun 8, 2026 | Form 4 ↗ |
| Casdin Partners Master Fund, L.P.10% owner | Sale | −650.0K | $23.70 | $15.4M | May 21, 2026 | Form 4 ↗ |
| Casdin Partners Master Fund, L.P.10% owner | Sale | −250.0K | $23.70 | $5.9M | May 20, 2026 | Form 4 ↗ |
| Casdin Partners Master Fund, L.P.10% owner | Sale | −300.0K | $22.65 | $6.8M | May 19, 2026 | Form 4 ↗ |
| Mathew Aby J.EVP & Chief Scientific Officer | Tax withholding | −515 | $19.27 | $10K | Apr 8, 2026 | Form 4 ↗ |
| Berard ToddChief Marketing Officer | Tax withholding | −293 | $19.27 | $6K | Apr 8, 2026 | Form 4 ↗ |
| Wichterman TroyChief Financial Officer | Tax withholding | −844 | $19.27 | $16K | Apr 8, 2026 | Form 4 ↗ |
| Foster Karen A.Chief Quality and Operations | Sale | −2,577 | $19.17 | $49K | Mar 23, 2026 | Form 4 ↗ |
| DE GREEF RODERICKPresident and CEO · Director | Tax withholding | −11.1K | $19.12 | $212K | Mar 19, 2026 | Form 4 ↗ |
| Berard ToddChief Marketing Officer | Tax withholding | −1,879 | $19.12 | $36K | Mar 19, 2026 | Form 4 ↗ |
| Werner SeanChief Technology Officer | Tax withholding | −1,681 | $19.12 | $32K | Mar 19, 2026 | Form 4 ↗ |
| Wichterman TroyChief Financial Officer | Tax withholding | −3,749 | $19.12 | $72K | Mar 19, 2026 | Form 4 ↗ |
| Aebersold SarahChief Human Resources Officer | Tax withholding | −931 | $19.12 | $18K | Mar 19, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding BLFS · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| T. Rowe Price Small-Cap Stock Fund, Inc. | 2.5M | $71.4M | 0.77% | Jun 30, 2026 |
| iShares Core S&P Small-Cap ETF iShares Trust | 2.4M | $67.3M | 0.06% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 1.5M | $41.3M | 0.00% | Jun 30, 2026 |
| T. Rowe Price Institutional Small-Cap Stock Fund T. Rowe Price Equity Funds, Inc. | 1.4M | $38.9M | 0.77% | Jun 30, 2026 |
| iShares Russell 2000 ETF iShares Trust | 1.1M | $30.9M | 0.04% | Jun 30, 2026 |
| Invesco Main Street Small Cap Fund AIM Growth Series (Invesco Growth Series) | 768.8K | $21.7M | 0.82% | Jun 30, 2026 |
| MFS New Discovery Fund MFS SERIES TRUST I | 844.9K | $21.1M | 0.98% | May 31, 2026 |
| T. Rowe Price Small-Cap Value Fund, Inc. | 647.3K | $18.3M | 0.17% | Jun 30, 2026 |
| Fidelity Small Cap Growth Fund Fidelity Securities Fund | 582.9K | $18.2M | 0.21% | Jul 31, 2026 |
| ALGER SMALL CAP FOCUS FUND ALGER FUNDS | 533.3K | $16.7M | 1.95% | Jul 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list BLFS's shares (CUSIP 09062W204), each fund at its latest report since Mar 8, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Paul J. GlazerSCHEDULE 13G · passive (13G) · 2.7M shares5.5%
Sep 24, 2026 · ↗ - Glazer Capital, LLCSCHEDULE 13G · passive (13G) · 2.7M shares5.5%
Sep 24, 2026 · ↗ - T. Rowe Price Investment Management, Inc.SCHEDULE 13G/A · passive (13G) · 3.7M shares7.5%
Sep 8, 2026 · ↗ - Eli CasdinSCHEDULE 13G · passive (13G) · 4.8M shares9.7%
Jun 4, 2026 · ↗ - Casdin Partners GP, LLCSCHEDULE 13G · passive (13G) · 4.8M shares9.7%
Jun 4, 2026 · ↗ - Casdin Partners Master Fund, L.P.SCHEDULE 13G · passive (13G) · 4.8M shares9.7%
Jun 4, 2026 · ↗ - Casdin Capital, LLCSCHEDULE 13G · passive (13G) · 4.8M shares9.7%
Jun 4, 2026 · ↗ - Eli CasdinSCHEDULE 13D/A · activist (13D) · 4.8M shares9.7%
May 22, 2026 · ↗ - Casdin Partners GP, LLCSCHEDULE 13D/A · activist (13D) · 4.8M shares9.7%
May 22, 2026 · ↗ - Casdin Partners Master Fund, L.P.SCHEDULE 13D/A · activist (13D) · 4.8M shares9.7%
May 22, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming BIOLIFE SOLUTIONS INC as client
No lobbying filings found naming BIOLIFE SOLUTIONS INC as the client.
Government Contracts
Federal awards to biolife solutions · USAspending
$45KAwarded · 1 contract on record
- Department of Health and Human Services26-007655 CRYOSTOR CS10, 100 ML BAGS FOR CELL THERAPY MANUFACTURING$45K
Aug 19, 2026 · ↗
U.S. Patents
Recent USPTO applications naming BIOLIFE SOLUTIONS INC
No USPTO patent applications found for BIOLIFE SOLUTIONS INC.
Annual Financials
From BLFS's 10-K filings · XBRL
No annual XBRL figures on record for BLFS. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 1-for-14Reverse splitJan 29, 2014
Split dates and ratios from the price history · Close Prices from Tiingo.com
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 2.01, 3.01, 3.03, 5.01, 5.02, 5.03, 5.07, 9.01Acquisition or disposition · Delisting notice · Modification of rightsOct 6, 2026
EDGAR ↗ - 8-K · Items 8.01Other eventsSep 9, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsAug 6, 2026
EDGAR ↗ - 8-K · Items 7.01, 9.01Reg FD disclosureAug 3, 2026
EDGAR ↗ - 8-K · Items 1.01, 7.01, 9.01Material agreement · Reg FD disclosureJul 22, 2026
EDGAR ↗ - 8-K · Items 7.01, 9.01Reg FD disclosureJun 3, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsMay 7, 2026
EDGAR ↗
About BIOLIFE SOLUTIONS INC
From SEC EDGAR company records
Industry (SIC 3845)Electromedical & Electrotherapeutic Apparatus
SectorHealthcare
HeadquartersBOTHELL, WA
IncorporatedDE
SEC CIK0000834365 ↗
Former namesCRYOMEDICAL SCIENCES INC