Penbrook Management LLC - BIOLIFE SOLUTIONS INC ownership

BIOLIFE SOLUTIONS INC's ticker is BLFS and the CUSIP is 09062W204. A total of 136 filers reported holding BIOLIFE SOLUTIONS INC in Q1 2021. The put-call ratio across all filers is 0.42 and the average weighting 0.2%.

Quarter-by-quarter ownership
Penbrook Management LLC ownership history of BIOLIFE SOLUTIONS INC
ValueSharesWeighting
Q3 2023$573,115
-37.5%
41,5000.0%0.42%
-36.8%
Q2 2023$917,150
+1.6%
41,5000.0%0.66%
-3.9%
Q1 2023$902,625
+22.2%
41,500
+2.3%
0.69%
+10.0%
Q4 2022$738,556
-20.1%
40,580
-0.1%
0.63%
-20.9%
Q3 2022$924,000
+38.5%
40,630
-15.9%
0.80%
+51.1%
Q2 2022$667,000
-39.6%
48,315
-0.6%
0.53%
-26.6%
Q1 2022$1,105,000
-39.0%
48,6150.0%0.72%
-34.3%
Q4 2021$1,812,000
-12.1%
48,615
-0.2%
1.09%
-14.8%
Q3 2021$2,061,000
-4.7%
48,695
+0.2%
1.28%
-1.2%
Q2 2021$2,163,000
+23.0%
48,595
-0.5%
1.30%
+2.5%
Q1 2021$1,758,000
-9.8%
48,8250.0%1.26%
-15.7%
Q4 2020$1,948,000
+37.9%
48,8250.0%1.50%
+22.4%
Q3 2020$1,413,000
+87.9%
48,825
+6.2%
1.22%
+65.5%
Q2 2020$752,000
+72.1%
45,9950.0%0.74%
+32.1%
Q1 2020$437,000
-0.7%
45,995
+69.4%
0.56%
+30.5%
Q4 2019$440,000
-7.8%
27,145
-5.4%
0.43%
-17.2%
Q3 2019$477,000
-3.2%
28,695
-1.2%
0.52%
-2.1%
Q2 2019$493,00029,0450.53%
Other shareholders
BIOLIFE SOLUTIONS INC shareholders Q1 2021
NameSharesValueWeighting ↓
Casdin Capital, LLC 7,566,292$171,982,0007.71%
Gagnon Advisors, LLC 205,968$4,682,0002.16%
Ranger Investment Management 1,300,407$29,558,0001.87%
GAGNON SECURITIES LLC 379,506$8,626,0001.41%
Zweig-DiMenna Associates LLC 376,550$8,559,0001.14%
Meros Investment Management, LP 48,504$1,102,0000.87%
Mesirow Financial Investment Management, Inc. 10,526$239,0000.81%
Penbrook Management LLC 48,615$1,105,0000.72%
MOODY ALDRICH PARTNERS LLC 220,680$5,016,0000.70%
GENEVA CAPITAL MANAGEMENT LLC 1,456,656$33,110,0000.64%
View complete list of BIOLIFE SOLUTIONS INC shareholders