How many institutions held BLFS - BIOLIFE SOLUTIONS INC - Common stock, par value $0.001 per share in Q4 2023?

138 institutional investors reported BLFS - BIOLIFE SOLUTIONS INC - Common stock, par value $0.001 per share for Q4 2023. Use the holders table for investor-level position and value details.

BIOLIFE SOLUTIONS INC - Common stock, par value $0.001 per share (BLFS)

Q: What does CUSIP 09062W204 represent in this 13F holders report?

CUSIP 09062W204 is the security identifier for BLFS - BIOLIFE SOLUTIONS INC - Common stock, par value $0.001 per share used to aggregate holder disclosures.

CUSIP: 09062W204

Q4 2023 13F Holders as of 31 Dec 2023

Security type / class: Equity / Common stock, par value $0.001 per share
Total 13F shares: 45,388,256
Total 13F value: $737,705,671
Share change: +1,807,076
Put/Call ratio: 14%
SEC-reported price per share: $16.25
Number of holders: 138
Value change: +$37,803,026
Number of buys: 55
Number of sells: 79
Shares outstanding: 48,916,576

Security key

09062W204

Report period

Q4 2023

Institutions

138

Top holders

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

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 09062W204

Newer quarter: Q1 2026

Recent filing periods:

Q3 2026 Q1 2026

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 2023

13F Highest disclosed value: $107,441,800 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 $107.44M.

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 $107.44M

BlackRock Finance, Inc. $72.19M

VANGUARD GROUP INC $35.09M

MILLENNIUM MANAGEMENT LLC $34.9M

Park West Asset Management LLC $27.83M

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 13F	— denominator unverified	$107,441,800 7,780,000 shares	—	30 Sep 2023
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$72,191,679 5,227,493 shares	—	30 Sep 2023
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$35,089,069 2,540,845 shares	—	30 Sep 2023
MILLENNIUM MANAGEMENT LLC	13F Company 13F	— denominator unverified	$34,897,994 2,527,009 shares	—	30 Sep 2023
Park West Asset Management LLC	13F Company 13F	— denominator unverified	$27,826,515 2,014,954 shares	—	30 Sep 2023
FRED ALGER MANAGEMENT, LLC	13F Company 13F	— denominator unverified	$24,674,286 1,786,697 shares	—	30 Sep 2023

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 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

138

45,388,256

Rows available

138

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 2023 vs Q1 2026 Across Filers

Q1 2026 holders

186

Q4 2023 holders

138

Holder diff

-48

Investor	Q1 2026 Shares	Q4 2023 Shares	Share Diff	Share Chg %	Q1 2026 value	Q4 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend