Institutional shares held 22.5 Million
101K calls
22K puts
Total value of holdings $10.8M
$48K calls
$10K puts
Market Cap $20M
41,636,500 Shares Out.
Institutional ownership 53.94%
# of Institutions 76


Latest Institutional Activity in HBIO

Top Purchases

Q2 2025
Ubs Group Ag Shares Held: 792K ($380K)
Q2 2025
Millennium Management LLC Shares Held: 640K ($307K)
Q2 2025
Marshall Wace, LLP Shares Held: 139K ($66.6K)
Q2 2025
Meros Investment Management, LP Shares Held: 920K ($442K)
Q2 2025
Amh Equity LTD Shares Held: 3.51M ($1.68M)

Top Sells

Q2 2025
State Street Corp Shares Held: 149K ($71.7K)
Q2 2025
Geode Capital Management, LLC Shares Held: 440K ($211K)
Q2 2025
Dimensional Fund Advisors LP Shares Held: 1.13M ($541K)
Q2 2025
Vanguard Group Inc Shares Held: 1.85M ($890K)
Q2 2025
Northern Trust Corp Shares Held: 189K ($90.7K)

About HBIO

Harvard Bioscience, Inc. develops, manufactures, and sells technologies, products, and services that enables fundamental research, discovery, and pre-clinical testing for drug development in the United States and internationally. The company offers cellular and molecular technology instruments, such as syringe and peristaltic pump products, as well as a range of instruments and accessories for tissue and organ-based lab research, including surgical products, infusion systems, and behavior research systems; and spectrophotometers, microplate readers, amino acid analyzers, gel electrophoresis equipment, and electroporation and electrofusion instruments. It also engages in the development and manufacture of precision scientific measuring instrumentation and equipment, which cover data acquisition systems with custom amplifier configurations for cellular analysis, micro electrode array solutions for in vivo recordings, and vitro-systems for extracellular recordings; and offers preclinical products. The company markets its products through sales organizations, websites, catalogs, and distributors to research scientists in pharmaceutical and biotechnology companies, universities, hospitals, and government laboratories, as well as to contract research organizations, academic labs, and government researchers. It primarily sells its products under Harvard Apparatus, DSI, Ponemah, Buxco, Biochrom, BTX, and MCS brand names. The company was founded in 1901 and is headquartered in Holliston, Massachusetts.


Insider Transactions at HBIO

Insider Transaction List

View all
Date Insider Transaction Ownership Type Shares Traded Value / Price
View All Transactions

Last 12 Months Summary

Buy / Acquisition
1.43M Shares
From 5 Insiders
Grant, award, or other acquisition 1.43M shares
Sell / Disposition
673K Shares
From 3 Insiders
Sale (or disposition) back to the issuer 493K shares
Payment of exercise price or tax liability 180K shares

Track Institutional and Insider Activities on HBIO

Follow HARVARD BIOSCIENCE INC and customize your updates to receive the information that matters most to you.

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells HBIO shares.

Notify only if

Insider Trading

Get notified when an Harvard Bioscience Inc insider buys or sells HBIO shares.

Notify only if

News

Receive news related to HARVARD BIOSCIENCE INC

Track Activities on HBIO