13F Insight
DOSSIER · 13F Holders · Q3 2025
HBIO

HARVARD BIOSCIENCE INC

8 institutions still hold HARVARD BIOSCIENCE INC as of Q3 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 416906105·8 13F holders·last filed Sep 30, 2025
Market cap
—
13F value held
$4M
visible holders
Holders
8
filers reporting
Concentration
40.59%
AMH Equity Ltd #1
top holder share
AI Holders Summary · Q3 2025

8 institutions reported HBIO in Q3 2025. AMH Equity Ltd leads at 40.6% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
AMH Equity Ltd
CIK 0001600535
$2M4.0M2.21%Q3 202502
Meros Investment Management, LP
CIK 0001911372
$1M183K0.36%Q2 202603
NANO CAP NEW MILLENNIUM GROWTH FUND L P
CIK 0001277890
$880K143K0.68%Q2 202604
TWO SIGMA ADVISERS, LP
CIK 0001478735
$588K879K0.00%Q4 202505
WOLVERINE TRADING, LLC
CIK 0000927337
$5K12K0.00%Q3 202506
PNC FINANCIAL SERVICES GROUP, INC.
CIK 0000713676
$961440.00%Q4 202507
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 202508
Financial Connections Group, Inc.
CIK 0001907157
$0300.00%Q1 2026
Insiders at HARVARD BIOSCIENCE INC
Eade Katherine A. →Snider William →Benson Seth Benjamin →Gagnon Robert E. →Denelsky Stephen J →Frost Mark T →Duke John D →Green James W →