NASDAQ: HBIO
Harvard Bioscience Inc Stock Ownership - Who owns Harvard Bioscience?

Insider buying vs selling

Have Harvard Bioscience Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Stephen J. DenelskyDirector2026-03-1710,000$4.87
$48.70kBuy
William SniderDirector2026-03-178,475$4.85
$41.10kBuy
John D. DukeChief Executive Officer2026-03-165,000$5.01
$25.05kBuy
Mark T. FrostChief Financial Officer2026-03-165,000$5.00
$25.00kBuy
William SniderDirector2026-03-1612,525$4.99
$62.50kBuy

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Net Insider Buy/Sell (L12M) Ownership

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HBIO Shareholders

What type of owners hold Harvard Bioscience Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Skystone Advisors LLC317.47%14,452,038$109.11MInsider
James W. Green85.35%3,885,380$29.33MInsider
Chane Graziano66.01%3,005,150$22.69MInsider
Hso Limited Partnership60.57%2,757,257$20.82MInsider
David Green32.08%1,460,467$11.03MInsider
Bertrand Loy12.22%556,208$4.20MInsider
Earl R. Lewis10.48%477,050$3.60MInsider
Susan M. Luscinski10.32%469,720$3.55MInsider
Jeffrey Duchemin10.20%464,528$3.51MInsider
John F. 1. Kennedy7.10%323,344$2.44MInsider

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HBIO vs Medical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
HBIO0.01%99.99%Net Buying
MLSS0.01%57.03%Net Selling
FEMY0.02%24.03%Net BuyingNet Buying
ZJYL0.00%67.79%
NEPH0.01%99.99%Net BuyingNet Buying

Harvard Bioscience Stock Ownership FAQ

Who owns Harvard Bioscience?

Harvard Bioscience (NASDAQ: HBIO) is owned by 0.04% institutional shareholders, 671.36% Harvard Bioscience insiders, and 0.00% retail investors. Skystone Advisors LLC is the largest individual Harvard Bioscience shareholder, owning 14.45M shares representing 317.47% of the company. Skystone Advisors LLC's Harvard Bioscience shares are currently valued at $108.10M.

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