Security key
09062W204
BIOLIFE SOLUTIONS INC - Common stock, par value $0.001 per share (BLFS)
CUSIP: 09062W204
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Common stock, par value $0.001 per share
- Total 13F shares
- 48,929,492
- Total 13F value
- $1,183,329,416
- Share change
- +530,935
- SEC-reported price per share
- $24.18
- Number of holders
- 186
- Value change
- +$11,930,532
- Number of buys
- 75
- Number of sells
- 98
- Shares outstanding
- 48,916,576
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
186
Top holders
10
BLFS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
BIOLIFE SOLUTIONS INC SEC filings
BIOLIFE SOLUTIONS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 09062W204
Recent filing periods:
Ownership snapshot
Top reported holders of BLFS - BIOLIFE SOLUTIONS INC - Common stock, par value $0.001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Casdin Capital, LLC
Disclosed value leader
Casdin Capital, LLC
Comparable rows
0/15
Latest evidence
30 Sep 2025
13F
Highest disclosed value: $171,099,779
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Casdin Capital, LLC has the largest disclosed position value at $171.1M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Casdin Capital, LLC's linked filing trail.
Disclosed position value
Top 5
Casdin Capital, LLC
$171.1M
BlackRock, Inc.
$142.87M
T. Rowe Price Investment Manageme...
$103.75M
Invesco Ltd.
$91.82M
VANGUARD GROUP INC
$75.7M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Casdin Capital, LLC |
13F
Company
|
—
denominator unverified
|
$171,099,779
6,707,165 shares
|
— | 30 Sep 2025 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$142,868,705
5,600,498 shares
|
— | 30 Sep 2025 |
| T. Rowe Price Investment Management, Inc. |
13F
Company
|
—
denominator unverified
|
$103,746,000
4,066,852 shares
|
— | 30 Sep 2025 |
| Invesco Ltd. |
13F
Company
|
—
denominator unverified
|
$91,821,818
3,599,444 shares
|
— | 30 Sep 2025 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$75,701,384
2,967,518 shares
|
— | 30 Sep 2025 |
| STATE STREET CORP |
13F
Company
|
—
denominator unverified
|
$37,156,973
1,456,565 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
186
Shares
48,929,492
Rows available
186
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q1 2026 Across Filers
Q1 2026 holders
186
Q4 2025 holders
186
Holder diff
0
| Investor | Q1 2026 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q1 2026 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend