Harvard Bioscience

HBIO · NASDAQ

$8.34+$0.25 (+3.09%)TodayMarket closed ·
Prev close $8.09

Who owns HBIO

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 40.2% of HBIO’s shares.

  • Weber Capital Management, LLC6.9%
  • AMH Equity, Ltd.6.5%
  • Green (James W)4.6%
  • Meros Investment Management, LP4.1%
  • Next 6 largest institutions18.1%
  • All other shareholders59.8%
Top institutional holders of HBIO
HolderShares% of shares
Weber Capital Management, LLC310.86K6.89%
AMH Equity, Ltd.293.68K6.51%
Green (James W)207.76K4.61%
Meros Investment Management, LP182.99K4.06%
Acadian Asset Management LLC179.61K3.98%
Vanguard Capital Management, LLC169.63K3.76%
Florida State Board of Administration131.09K2.91%
Corsair Capital Management, L.P.122.81K2.72%
Two Sigma Investments, LP114.55K2.54%
Renaissance Technologies LLC99.33K2.20%

Largest mutual fund holders

Top mutual fund holders of HBIO
HolderShares% of shares
Florida State Board Administration Fund131.09K2.91%
Vanguard Total Stock Market Index Fund123.47K2.74%
Vanguard Extended Market Index Fund42.04K0.93%
Fidelity Extended Market Index Fund22.39K0.50%
Acuitas US Microcap Fund8.78K0.19%

Insider trades

Form 4 filings by officers, directors and large holders

Insiders made no open-market buys or sales of HBIO in the last 6 months.

Latest HBIO insider transactions
InsiderTypeSharesValue
Eade Katherine A.Award16.56K—
Snider WilliamAward16.56K—
DENELSKY STEPHEN JAward16.56K—
Gagnon Robert E.Award16.56K—
Benson Seth BenjaminAward16.56K—

Short interest

Settled Sep 30, 2026

Shares short
45.00K
Days to cover
2.61
% of shares outstanding
1.00%
Average daily volume
17.22K
Change since last report
−6.5%

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