JANE STREET GROUP, LLC - HARVARD BIOSCIENCE INC ownership

HARVARD BIOSCIENCE INC's ticker is HBIO and the CUSIP is 416906105. A total of 67 filers reported holding HARVARD BIOSCIENCE INC in Q1 2023. The put-call ratio across all filers is 0.22 and the average weighting 0.4%.

Quarter-by-quarter ownership
JANE STREET GROUP, LLC ownership history of HARVARD BIOSCIENCE INC
ValueSharesWeighting
Q1 2023$207,619
+156.3%
49,433
+235.2%
0.00%
Q1 2021$81,000
-61.2%
14,749
-78.1%
0.00%
Q2 2020$209,000
-41.5%
67,237
-62.3%
0.00%
-100.0%
Q2 2019$357,000
+526.3%
178,506
+792.0%
0.00%
Q2 2016$57,00020,0110.00%
Other shareholders
HARVARD BIOSCIENCE INC shareholders Q1 2023
NameSharesValueWeighting ↓
Harvey Partners, LLC 790,000$2,378,0003.09%
Alambic Investment Management, L.P. 25,398$76,0000.83%
Adirondack Research & Management Inc. 190,494$573,0000.80%
Archon Capital Management LLC 881,794$2,654,0000.53%
BARD ASSOCIATES INC 1,483,610$4,465,0000.47%
DALTON GREINER HARTMAN MAHER & CO 909,977$2,739,0000.45%
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. 1,537,800$4,629,0000.40%
Portolan Capital Management 979,067$2,947,0000.33%
HEARTLAND ADVISORS INC 961,400$2,894,0000.25%
Granahan Investment Management 1,757,176$5,289,0000.18%
View complete list of HARVARD BIOSCIENCE INC shareholders