SEC 13F Intelligence

HBIOUSDHARVARD BIOSCIENCE INC

CUSIP 416906105 · Yahoo Finance ↗ · Google Finance ↗

Harvard Bioscience Inc (HBIOUSD) has 4 institutional holders in Filings Flow’s 13F database, together reporting 252.7K shares worth $1M as of Q1 2026. The largest reported holders are Weber Capital Management LLC /Adv, Amh Equity Ltd, and Vanguard Group Inc.

Institutional Holders
4
Q1 2026
Reported Value
$1M
Ticker
HBIOUSD
Quarters Tracked
9

Ownership Trend

Institutional holders
Q4 ’18: 64Q4 ’18Q1 ’19: 69Q2 ’19: 64Q2 ’19Q3 ’19: 57Q2 ’21: 86Q2 ’21Q4 ’21: 89Q4 ’22: 58Q4 ’22Q4 ’25: 62Q1 ’26: 4Q1 ’26filingsflow.com
Total reported value
Q4 ’18: $64MQ4 ’18Q1 ’19: $115MQ2 ’19: $43MQ2 ’19Q3 ’19: $70MQ2 ’21: $174MQ2 ’21Q4 ’21: $230MQ4 ’22: $57MQ4 ’22Q4 ’25: $11MQ1 ’26: $1MQ1 ’26filingsflow.com

Holders

Mixed quarters
Manager% of PortfolioValueSharesQuarter
WEBER CAPITAL MANAGEMENT LLC /ADV$100M AUM2.02%$2M3.20MQ4 2025OLDER
NANO CAP NEW MILLENNIUM GROWTH FUND L P$107M AUM0.53%$572,225117.5KQ1 2026
Meros Investment Management, LP$231M AUM0.25%$577,205118.5KQ1 2026
Williams & Novak, LLC$151M AUM0.18%$233,277348.8KQ4 2025OLDER
CORSAIR CAPITAL MANAGEMENT, L.P.$673M AUM0.12%$741,4931.11MQ4 2025OLDER
Harvey Partners, LLC$1.3B AUM0.08%$898,9252.05MQ3 2025OLDER
ESSEX INVESTMENT MANAGEMENT CO LLC$632M AUM0.02%$123,513184.7KQ4 2025OLDER
Portolan Capital Management, LLC$1.9B AUM0.01%$273,974409.6KQ4 2025OLDER
Granahan Investment Management, LLC$2.1B AUM0.01%$264,643603.5KQ3 2025OLDER
RBF Capital, LLC$2.0B AUM0.01%$214,016320.0KQ4 2025OLDER
Pasadena Private Wealth, LLC$723M AUM0.00%$30,09645.0KQ4 2025OLDER
Abel Hall, LLC$469M AUM0.00%$16,90925.3KQ4 2025OLDER
Legato Capital Management LLC$1.1B AUM0.00%$29,07143.5KQ4 2025OLDER
GREENWOOD CAPITAL ASSOCIATES LLC$908M AUM0.00%$18,56227.8KQ4 2025OLDER
Brown Shipley& Co Ltd$167M AUM0.00%$3,1994.8KQ4 2025OLDER
TWO SIGMA SECURITIES, LLC$861M AUM0.00%$11,73717.5KQ4 2025OLDER
Balboa Wealth Partners$596M AUM0.00%$6,68810.0KQ4 2025OLDER
RENAISSANCE TECHNOLOGIES LLC$63.9B AUM0.00%$683,0061.02MQ4 2025OLDER
Point72 Asia (Singapore) Pte. Ltd.$646M AUM0.00%$6,44514.7KQ3 2025OLDER
TWO SIGMA INVESTMENTS, LP$123.9B AUM0.00%$677,1041.01MQ4 2025OLDER
GSK plc$599M AUM0.00%$7,45811.2KQ4 2025OLDER
XTX Topco Ltd$5.8B AUM0.00%$26,31739.3KQ4 2025OLDER
CERTUITY, LLC$1.5B AUM0.00%$9,14713.7KQ4 2025OLDER
Callan Family Office, LLC$4.4B AUM0.00%$19,92429.8KQ4 2025OLDER
GAMCO INVESTORS, INC. ET AL$10.2B AUM0.00%$38,12257.0KQ4 2025OLDER
BRIGHTON JONES LLC$2.4B AUM0.00%$10,96625.0KQ3 2025OLDER
Y-Intercept (Hong Kong) Ltd$5.1B AUM0.00%$7,51816.9KQ2 2025OLDER
GABELLI FUNDS LLC$14.8B AUM0.00%$26,08339.0KQ4 2025OLDER
MILLENNIUM MANAGEMENT LLC$240.3B AUM0.00%$365,210546.1KQ4 2025OLDER
SBI Securities Co., Ltd.$3.6B AUM0.00%$5,7998.7KQ4 2025OLDER
Assenagon Asset Management S.A.$80.2B AUM0.00%$93,109139.2KQ4 2025OLDER
Rialto Wealth Management, LLC$445M AUM0.00%$4751.1KQ3 2025OLDER
BRIDGEWAY CAPITAL MANAGEMENT, LLC$5.0B AUM0.00%$5,48112.5KQ3 2025OLDER
Ethic Inc.$6.4B AUM0.00%$7,31810.9KQ4 2025OLDER
Vanguard Personalized Indexing Management, LLC$10.2B AUM0.00%$11,06316.5KQ4 2025OLDER
MARSHALL WACE, LLP$100.4B AUM0.00%$61,028138.7KQ2 2025OLDER
CITIGROUP INC$234.5B AUM0.00%$129,632193.8KQ4 2025OLDER
JANE STREET GROUP, LLC$777.2B AUM0.00%$297,588445.0KQ4 2025OLDER
Tower Research Capital LLC (TRC)$3.8B AUM0.00%$1,6022.4KQ4 2025OLDER
GROUP ONE TRADING LLC$52.2B AUM0.00%$17,06325.5KQ4 2025OLDER
EverSource Wealth Advisors, LLC$3.3B AUM0.00%$5351.2KQ3 2025OLDER
GEODE CAPITAL MANAGEMENT, LLC$1.61T AUM0.00%$308,248460.8KQ4 2025OLDER
VANGUARD GROUP INC$6.90T AUM0.00%$1M1.92MQ4 2025OLDER
AQR CAPITAL MANAGEMENT LLC$218.4B AUM0.00%$20,28545.7KQ2 2025OLDER
Bank of New York Mellon Corp$543.9B AUM0.00%$84,418126.2KQ4 2025OLDER
Qube Research & Technologies Ltd$89.9B AUM0.00%$11,38917.0KQ4 2025OLDER
Point72 Asset Management, L.P.$78.1B AUM0.00%$9,84314.7KQ4 2025OLDER
SUSQUEHANNA INTERNATIONAL GROUP, LLP$893.3B AUM0.00%$93,544139.9KQ4 2025OLDER
NORTHERN TRUST CORP$756.6B AUM0.00%$61,51292.0KQ4 2025OLDER
BlackRock, Inc.$5.72T AUM0.00%$416,191622.3KQ4 2025OLDER
CITADEL ADVISORS LLC$618.5B AUM0.00%$41,66162.3KQ4 2025OLDER
SIMPLEX TRADING, LLC$149.1B AUM0.00%$9,22513.8KQ4 2025OLDER
NISA INVESTMENT ADVISORS, LLC$27.0B AUM0.00%$1,5312.3KQ4 2025OLDER
GOLDMAN SACHS GROUP INC$870.9B AUM0.00%$33,27349.8KQ4 2025OLDER
DIMENSIONAL FUND ADVISORS LP$481.4B AUM0.00%$18,58727.8KQ4 2025OLDER
WOLVERINE TRADING, LLC$138.7B AUM0.00%$5,10211.6KQ3 2025OLDER
STATE STREET CORP$2.90T AUM0.00%$99,887149.4KQ4 2025OLDER
UBS Group AG$666.3B AUM0.00%$14,19221.2KQ4 2025OLDER
FEDERATED HERMES, INC.$61.5B AUM0.00%$1,1081.7KQ4 2025OLDER
FMR LLC$1.90T AUM0.00%$22,00332.9KQ4 2025OLDER
MORGAN STANLEY$1.67T AUM0.00%$11,16016.7KQ1 2026
RAYMOND JAMES FINANCIAL INC$324.4B AUM0.00%$1,6643.8KQ2 2025OLDER
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO$162.4B AUM0.00%$8331.9KQ3 2025OLDER
ROYAL BANK OF CANADA$570.1B AUM0.00%$3,0004.8KQ4 2025OLDER
BNP PARIBAS FINANCIAL MARKETS$205.8B AUM0.00%$455680Q4 2025OLDER
BARCLAYS PLC$416.3B AUM0.00%$395892Q4 2025OLDER
JPMORGAN CHASE & CO$1.56T AUM0.00%$1,3112.0KQ4 2025OLDER
WELLS FARGO & COMPANY/MN$530.3B AUM0.00%$356803Q2 2025OLDER
PNC FINANCIAL SERVICES GROUP, INC.$173.2B AUM0.00%$96144Q4 2025OLDER
BANK OF AMERICA CORP /DE/$1.37T AUM0.00%$301451Q4 2025OLDER
Optiver Holding B.V.$289.5B AUM0.00%$914Q4 2025OLDER
CWM, LLC$38.1B AUM$054Q4 2025OLDER

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.