Harvard Bioscience (HBIO) Institutional Ownership $0.54 +0.04 (+8.27%) Closing price 04:00 PM EasternExtended Trading$0.54 0.00 (-0.46%) As of 05:45 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Harvard Bioscience (NASDAQ:HBIO)CurrentInstitutional OwnershipPercentage80.87%Number ofInstitutional Buyers(last 12 months)32TotalInstitutional Inflows(last 12 months)$4.58MNumber ofInstitutional Sellers(last 12 months)22TotalInstitutional Outflows(last 12 months)$5.50M Get HBIO Insider Trade Alerts Want to know when executives and insiders are buying or selling Harvard Bioscience stock? 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Skip Chart & View Institutional Buying and Selling Data HBIO Institutional Buying and Selling by Quarter Harvard Bioscience Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/15/2025 Harvey Partners LLC2,141,099$950K0.1%-2.1%4.808% 8/14/2025 Jane Street Group LLC70,736$31K0.0%+491.9%0.159% 8/14/2025 RBF Capital LLC160,000$71K0.0%-11.6%0.359% 8/13/2025 Marshall Wace LLP138,700$61K0.0%N/A0.314% 8/8/2025 Geode Capital Management LLC440,022$195K0.0%-52.3%0.995% 8/4/2025 AMH Equity Ltd3,508,703$1.56M2.0%+3.6%7.936% 8/1/2025 Pasadena Private Wealth LLC243,911$108K0.0%+23.2%0.552% 7/24/2025 Williams & Novak LLC106,570$47K0.0%+37.0%0.241% 6/27/2025 Goldman Sachs Group Inc.146,305$83K0.0%-25.9%0.331% 5/28/2025 Strs Ohio206,700$117K0.0%N/A0.467% Get the Latest News and Ratings for HBIO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Harvard Bioscience and its competitors with MarketBeat's FREE daily newsletter. 5/21/2025 Acadian Asset Management LLC1,077,069$606K0.0%+7.8%2.436% 5/16/2025 Goldman Sachs Group Inc.146,305$83K0.0%-25.9%0.331% 5/16/2025 Granahan Investment Management LLC1,527,894$865K0.0%-5.5%3.456% 5/15/2025 Landscape Capital Management L.L.C.58,947$33K0.0%N/A0.133% 5/12/2025 Nuveen LLC139,999$79K0.0%N/A0.317% 5/9/2025 Deutsche Bank AG75,985$43K0.0%+221.1%0.172% 5/9/2025 Charles Schwab Investment Management Inc.98,883$56K0.0%-58.7%0.224% 5/7/2025 Heartland Advisors Inc.1,108,578$627K0.0%-7.6%2.507% 5/6/2025 Royce & Associates LP1,777,894$1.01M0.0%-9.5%4.021% 5/5/2025 AMH Equity Ltd3,387,355$1.92M2.9%+35.5%7.661% 2/17/2025 Two Sigma Advisers LP28,556$60K0.0%-28.5%0.065% 2/17/2025 Meros Investment Management LP813,707$1.72M0.8%-2.4%1.865% 2/17/2025 Jacobs Levy Equity Management Inc.65,008$137K0.0%N/A0.149% 2/17/2025 Granahan Investment Management LLC1,617,178$3.41M0.1%-13.3%3.707% 2/17/2025 Focus Partners Wealth13,143$28K0.0%N/A0.030% 2/17/2025 Bridgeway Capital Management LLC129,317$273K0.0%-29.9%0.296% 2/17/2025 Bank of America Corp DE38,883$82K0.0%+44.4%0.089% 2/17/2025 BNP Paribas Financial Markets66,204$140K0.0%-11.3%0.152% 2/17/2025 272 Capital LP1,351,397$2.85M2.7%-12.0%3.098% 2/14/2025 Jane Street Group LLC35,769$75K0.0%+55.5%0.082% 2/14/2025 Boothbay Fund Management LLC1,151,397$2.43M0.1%-13.8%2.640% 2/14/2025 Dimensional Fund Advisors LP1,665,113$3.51M0.0%-3.0%3.817% 2/13/2025 Gamco Investors INC. ET AL95,000$200K0.0%N/A0.218% 2/13/2025 Renaissance Technologies LLC709,778$1.50M0.0%-2.0%1.627% 2/12/2025 JPMorgan Chase & Co.113,591$240K0.0%+285.0%0.260% 2/11/2025 Sei Investments Co.22,268$47K0.0%N/A0.051% 2/11/2025 Intech Investment Management LLC16,797$35K0.0%N/A0.039% 2/10/2025 Royce & Associates LP1,965,114$4.15M0.0%+35.4%4.505% 2/10/2025 Connor Clark & Lunn Investment Management Ltd.200,032$422K0.0%+11.1%0.459% 2/6/2025 Bard Associates Inc.267,699$565K0.2%-14.3%0.614% Elon Musk’s New Technology (Ad)Elon Musk is building something in Memphis that could eclipse even Tesla and SpaceX. At the heart of it is a new AI supercomputer—what one industry CEO calls “the most powerful in the world.” Musk says this tech will drive the next wave of American innovation. You can’t invest in the supercomputer directly—but there’s a backdoor way to access the company powering it. It’s smaller than Tesla or Nvidia, but both rely on it for future growth.Get the full details on the AI company behind Musk’s next big move.2/5/2025 AMH Equity Ltd2,500,000$5.28M5.2%+4.7%5.731% 2/4/2025 Bank of New York Mellon Corp209,548$442K0.0%-8.9%0.480% 1/29/2025 Legato Capital Management LLC14,695$31K0.0%-59.7%0.034% 1/27/2025 Greenwood Capital Associates LLC216,298$456K0.1%-4.2%0.496% 1/23/2025 Williams & Novak LLC99,210$209K0.2%N/A0.227% 1/14/2025 Assenagon Asset Management S.A.69,799$147K0.0%-65.5%0.160% 12/26/2024 JPMorgan Chase & Co.29,501$79K0.0%+63.0%0.068% 11/19/2024 Barclays PLC58,655$157K0.0%+304.4%0.134% 11/16/2024 Geode Capital Management LLC912,599$2.46M0.0%+2.2%2.092% 11/15/2024 Barclays PLC58,655$157K0.0%+304.4%0.134% 11/15/2024 Jane Street Group LLC23,002$62K0.0%-61.9%0.053% 11/15/2024 State Street Corp717,387$1.93M0.0%+1.1%1.645% 11/15/2024 Harvey Partners LLC2,715,000$7.30M0.8%+6.2%6.224% 11/14/2024 272 Capital LP592,712$1.54M1.7%-61.4%1.359% 11/14/2024 Corsair Capital Management L.P.23,362$63K0.0%N/A0.054% 11/13/2024 BNP Paribas Financial Markets74,676$201K0.0%-28.9%0.171% 11/13/2024 Advantage Alpha Capital Partners LP23,617$64K0.0%N/A0.054% 11/9/2024 Landscape Capital Management L.L.C.18,402$50K0.0%N/A0.042% 11/8/2024 Connor Clark & Lunn Investment Management Ltd.180,006$484K0.0%+19.7%0.413% 11/8/2024 Avior Wealth Management LLC14,569$39K0.0%+1,118.1%0.033% 11/6/2024 Bard Associates Inc.312,399$840K0.3%+5.2%0.716% 11/6/2024 Royce & Associates LP1,451,450$3.90M0.0%+0.7%3.328% 11/5/2024 GSA Capital Partners LLP11,047$30K0.0%N/A0.025% 10/30/2024 Greenwood Capital Associates LLC225,866$608K0.1%+9.1%0.520% 10/23/2024 Assenagon Asset Management S.A.202,315$544K0.0%-11.1%0.466% 10/23/2024 Brighton Jones LLC25,365$68K0.0%N/A0.058% 10/3/2024 SG Americas Securities LLC13,409$36K0.0%N/A0.031% 9/16/2024 Cubist Systematic Strategies LLC14,143$40K0.0%N/A0.032% 8/15/2024 Meros Investment Management LP835,213$2.38M1.1%+1.6%1.923% 8/14/2024 Cubist Systematic Strategies LLC14,143$40K0.0%N/A0.033% 8/14/2024 272 Capital LP1,535,820$4.38M2.2%-45.8%3.536% 8/14/2024 Gabelli Funds LLC45,000$128K0.0%N/A0.104% 8/9/2024 Renaissance Technologies LLC745,278$2.12M0.0%+6.1%1.716% 8/9/2024 Dimensional Fund Advisors LP1,827,648$5.21M0.0%-5.1%4.208% 8/6/2024 Acadian Asset Management LLC963,106$2.74M0.0%-4.1%2.218% 8/5/2024 Acuitas Investments LLC407,343$1.16M0.6%+24.8%0.938% 8/1/2024 Rhumbline Advisers47,753$136K0.0%+24.9%0.110% 7/26/2024 Allspring Global Investments Holdings LLC10,797$31K0.0%N/A0.025% 7/26/2024 Bank of New York Mellon Corp274,635$783K0.0%+13.0%0.632% 7/19/2024 Pasadena Private Wealth LLC198,039$564K0.1%+14.8%0.456% 7/19/2024 Riverwater Partners LLC105,977$302K0.2%+13.7%0.244% 7/18/2024 Assenagon Asset Management S.A.227,701$649K0.0%+193.9%0.524% 5/16/2024 Jacobs Levy Equity Management Inc.64,576$274K0.0%-4.3%0.149% 5/16/2024 Kennedy Capital Management LLC321,523$1.36M0.0%-1.5%0.740% 5/15/2024 Price T Rowe Associates Inc. MD12,624$54K0.0%N/A0.029% 5/14/2024 Archon Capital Management LLC260,858$1.11M0.4%-6.6%0.601% 5/11/2024 Hillsdale Investment Management Inc.26,400$112K0.0%N/A0.061% 5/10/2024 Acadian Asset Management LLC1,004,097$4.26M0.0%-0.6%2.314% 5/10/2024 Vanguard Group Inc.2,152,147$9.13M0.0%+2.4%4.959% 5/7/2024 Heartland Advisors Inc.889,133$3.77M0.2%+2.6%2.049% Market Panic: Trump Just Dropped a Bomb on Your Stocks (Ad)tock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tariffs just lit the fuse. Millions of investors are blindsided as stocks plunge… but this is only Phase 1. If you're still holding the wrong assets, you could lose 30% or more in the coming weeks.Don't wait for the next drop to wipe you out. Get the FREE Guide Before Markets Open Tomorrow5/7/2024 AMH Equity Ltd2,324,200$9.86M9.7%+7.5%5.355% 5/2/2024 Greenwood Capital Associates LLC216,614$918K0.1%-1.8%0.499% 5/1/2024 BNP Paribas Financial Markets75,970$322K0.0%+38.7%0.175% 4/27/2024 Riverwater Partners LLC93,197$395K0.3%+14.1%0.215% 4/26/2024 Triton Wealth Management PLLC13,413$57K0.0%-49.7%0.031% 3/5/2024 Greenwood Capital Associates LLC220,603$1.18M0.2%-3.9%0.517% 2/14/2024 Corsair Capital Management L.P.66,538$356K0.1%N/A0.156% 2/2/2024 AMH Equity Ltd2,162,893$11.57M10.4%+1.0%5.067% 2/2/2024 Acuitas Investments LLC326,516$1.75M0.9%+35.0%0.765% 2/2/2024 Bailard Inc.19,720$106K0.0%N/A0.046% (Data available from 1/1/2016 forward) HBIO Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of HBIO shares? During the previous two years, 66 institutional investors and hedge funds held shares of Harvard Bioscience. The most heavily invested institutionals were B. Riley Asset Management LLC ($14.03M), Punch & Associates Investment Management Inc. ($12.57M), Vanguard Group Inc. ($9.13M), Dimensional Fund Advisors LP ($3.51M), 272 Capital LP ($2.85M), Boothbay Fund Management LLC ($2.43M), and State Street Corp ($1.93M).Learn more on Harvard Bioscience's institutional investors. What percentage of Harvard Bioscience's stock is owned by institutional investors? 80.87% of Harvard Bioscience's stock is owned by institutional investors. Learn more on HBIO's institutional investor holdings. Which institutional investors have been buying Harvard Bioscience's stock? Of the 51 institutional investors that purchased Harvard Bioscience's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: AMH Equity Ltd ($1.44M), Royce & Associates LP ($523.66K), Strs Ohio ($240.60K), Acuitas Investments LLC ($227.04K), B. Riley Asset Management LLC ($200.03K), Harvey Partners LLC ($157.50K), and Assenagon Asset Management S.A. ($150.22K). How much institutional buying is happening at Harvard Bioscience? Institutional investors have bought a total of 3,383,747 shares in the last 24 months. This purchase volume represents approximately $4.58M in transactions. Which of Harvard Bioscience's major shareholders have been selling company stock? Of the 22 institutional investors that sold Harvard Bioscience's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: 272 Capital LP ($1.13M), Geode Capital Management LLC ($483.04K), Granahan Investment Management LLC ($337.54K), Royce & Associates LP ($187.22K), Boothbay Fund Management LLC ($184.42K), Assenagon Asset Management S.A. ($157.90K), and Charles Schwab Investment Management Inc. ($140.81K). How much institutional selling is happening at Harvard Bioscience? Institutional investors have sold a total of 3,203,614 shares in the last 24 months. This volume of shares sold represents approximately $5.50M in transactions. Related Companies TMO Institutional Ownership A Institutional Ownership MTD Institutional Ownership WAT Institutional Ownership ILMN Institutional Ownership TECH Institutional Ownership BIO Institutional Ownership CRL Institutional Ownership BRKR Institutional Ownership PACB Institutional Ownership This page (NASDAQ:HBIO) was last updated on 8/26/2025 by MarketBeat.com Staff From Our PartnersEveryone’s watching Nvidia right now. Here’s why I’m excited.So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal...Timothy Sykes | SponsoredElon’s BIGGEST warning yet?Tesla's About to Prove Everyone Wrong... 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