MARSHALL WACE, LLP - HARVARD BIOSCIENCE INC ownership

HARVARD BIOSCIENCE INC's ticker is HBIO and the CUSIP is 416906105. A total of 69 filers reported holding HARVARD BIOSCIENCE INC in Q4 2022. The put-call ratio across all filers is 102.00 and the average weighting 0.3%.

Quarter-by-quarter ownership
MARSHALL WACE, LLP ownership history of HARVARD BIOSCIENCE INC
ValueSharesWeighting
Q2 2023$300,001
+53.1%
54,645
-29.0%
0.00%
Q3 2022$196,000
+2.1%
76,923
+44.1%
0.00%
Q2 2022$192,000
-21.3%
53,365
+82.3%
0.00%
-100.0%
Q2 2021$244,000
+68.3%
29,280
+10.1%
0.00%0.0%
Q1 2021$145,000
-66.6%
26,604
-81.3%
0.00%
-66.7%
Q4 2019$434,000
-56.7%
142,138
-56.3%
0.00%
-62.5%
Q3 2019$1,002,000
+21.3%
325,448
-21.2%
0.01%
+14.3%
Q2 2019$826,000
+10.7%
412,848
+138.5%
0.01%
+75.0%
Q1 2019$746,000
+1765.0%
173,086
+1289.8%
0.00%
Q4 2018$40,000
-83.7%
12,454
-73.5%
0.00%
-100.0%
Q3 2018$246,00047,0000.00%
Other shareholders
HARVARD BIOSCIENCE INC shareholders Q4 2022
NameSharesValueWeighting ↓
Engine Capital Management, LP 3,542,852$10,536,0004.92%
Fondren Management LP 865,000$2,660,0002.21%
Harvey Partners, LLC 742,500$2,283,0001.65%
BARD ASSOCIATES INC 311,922$959,0000.49%
Adirondack Research & Management Inc. 131,042$403,0000.35%
Granahan Investment Management 1,771,964$5,449,0000.30%
DALTON GREINER HARTMAN MAHER & CO 1,373,518$4,224,0000.29%
HEARTLAND ADVISORS INC 1,000,000$3,075,0000.24%
ESSEX INVESTMENT MANAGEMENT CO LLC 499,616$1,536,0000.22%
Alambic Investment Management, L.P. 43,569$134,0000.10%
View complete list of HARVARD BIOSCIENCE INC shareholders