Bio-Rad Laboratories (BIO) Institutional Ownership $239.93 -7.12 (-2.88%) As of 10:33 AM Eastern Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Bio-Rad Laboratories (NYSE:BIO)CurrentInstitutional OwnershipPercentage65.24%Number ofInstitutional Buyers(last 12 months)265TotalInstitutional Inflows(last 12 months)$2.08BNumber ofInstitutional Sellers(last 12 months)185TotalInstitutional Outflows(last 12 months)$1.04B Get BIO Insider Trade Alerts Want to know when executives and insiders are buying or selling Bio-Rad Laboratories stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Skip Chart & View Institutional Buying and Selling Data BIO Institutional Buying and Selling by Quarter Bio-Rad Laboratories Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/19/2025 Jane Street Group LLC37,383$9.11M0.0%+95.3%0.133% 5/19/2025 Bayforest Capital Ltd171$42K0.0%-53.2%0.001% 5/19/2025 UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC382,807$93.24M0.0%-1.5%1.367% 5/16/2025 Empowered Funds LLC1,547$377K0.0%+14.8%0.006% 5/16/2025 United Services Automobile Association1,202$292K0.0%N/A0.004% 5/16/2025 Caxton Associates LLP2,998$730K0.0%N/A0.011% 5/16/2025 Goldman Sachs Group Inc.105,006$25.58M0.0%+45.6%0.375% 5/16/2025 Select Equity Group L.P.265,180$64.59M0.3%-42.4%0.947% 5/16/2025 Petrus Trust Company LTA2,824$688K0.1%+72.4%0.010% 5/16/2025 Millennium Management LLC336,052$81.85M0.0%-10.9%1.200% Get the Latest News and Ratings for BIO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Bio-Rad Laboratories and its competitors with MarketBeat's FREE daily newsletter. 5/16/2025 Jacobs Levy Equity Management Inc.3,349$816K0.0%N/A0.012% 5/16/2025 AQR Capital Management LLC18,579$4.43M0.0%-36.8%0.066% 5/16/2025 Ariel Investments LLC724,660$176.50M2.1%+29.3%2.587% 5/16/2025 Amundi23,336$5.48M0.0%+16.4%0.083% 5/15/2025 Perbak Capital Partners LLP925$225K0.2%-78.0%0.003% 5/15/2025 First Manhattan CO. LLC.4,105$1M0.0%-12.8%0.015% 5/15/2025 Royal Bank of Canada30,310$7.38M0.0%+25.2%0.108% 5/15/2025 Armistice Capital LLC3,827$932K0.0%N/A0.014% 5/15/2025 Retirement Planning Co of New England Inc.900$219K0.1%N/A0.003% 5/15/2025 Quarry LP120$29K0.0%N/A0.000% 5/15/2025 Twin Tree Management LP357$87K0.0%N/A0.001% 5/15/2025 The Manufacturers Life Insurance Company 114,002$27.77M0.0%+6.4%0.407% 5/15/2025 Parnassus Investments LLC318,111$77.48M0.2%+2.3%1.136% 5/15/2025 Earnest Partners LLC599,621$146.04M0.7%-3.0%2.141% 5/14/2025 Jane Street Group LLC37,383$9.11M0.0%+95.3%0.133% 5/14/2025 Corebridge Financial Inc.21,283$5.18M0.0%-2.3%0.076% 5/14/2025 Comerica Bank15,654$3.81M0.0%-73.8%0.056% 5/14/2025 MetLife Investment Management LLC10,695$2.61M0.0%-1.4%0.038% 5/14/2025 Campbell & CO Investment Adviser LLC6,443$1.57M0.1%N/A0.023% 5/14/2025 Northwestern Mutual Wealth Management Co.190$46K0.0%-30.9%0.001% 5/14/2025 AlphaQuest LLC996$243K0.0%N/A0.004% 5/14/2025 Candriam S.C.A.13,504$3.29M0.0%-60.0%0.048% 5/14/2025 BI Asset Management Fondsmaeglerselskab A S661$161K0.0%-59.7%0.002% 5/14/2025 Hsbc Holdings PLC3,977$964K0.0%-6.1%0.014% 5/14/2025 Quantbot Technologies LP9,144$2.23M0.1%N/A0.033% 5/14/2025 Tikvah Management LLC111,084$27.06M9.5%-6.0%0.397% 5/14/2025 Wellington Management Group LLP2,359$575K0.0%+191.2%0.008% 5/14/2025 Korea Investment CORP4,060$989K0.0%+2.5%0.014% 5/13/2025 Northern Trust Corp261,122$63.60M0.0%+0.1%0.932% 5/13/2025 Raymond James Financial Inc.15,172$3.70M0.0%-2.6%0.054% Trump’s treachery (Ad)Trump’s Final Reset Inside the shocking plot to re-engineer America’s financial system…and why you need to move your money now.Millions of Americans are about to be wiped out, while others could make a fortune… click here to ma5/13/2025 American Century Companies Inc.5,363$1.31M0.0%-4.2%0.019% 5/13/2025 Ethic Inc.3,665$880K0.0%+129.3%0.013% 5/13/2025 Brandywine Global Investment Management LLC14,234$3.47M0.0%-2.0%0.051% 5/13/2025 Sector Gamma AS13,829$3.37M1.1%-17.8%0.049% 5/13/2025 Dimensional Fund Advisors LP877,040$213.61M0.1%+17.5%3.131% 5/13/2025 Sei Investments Co.271,194$66.05M0.6%-0.1%0.968% 5/13/2025 Fjarde AP Fonden Fourth Swedish National Pension Fund3,680$896K0.0%+5.7%0.013% 5/13/2025 Tokio Marine Asset Management Co. Ltd.994$242K0.0%+10.4%0.004% 5/13/2025 Russell Investments Group Ltd.5,887$1.43M0.0%-3.5%0.021% 5/13/2025 HighTower Advisors LLC6,079$1.48M0.0%-2.7%0.022% 5/12/2025 QVIDTVM Management LLC126,200$30.74M27.2%+6.1%0.451% 5/12/2025 Entropy Technologies LP1,200$292K0.0%-44.6%0.004% 5/12/2025 Invesco Ltd.39,986$9.74M0.0%+2.7%0.143% 5/12/2025 Koss Olinger Consulting LLC6,148$1.50M0.1%N/A0.022% 5/12/2025 Hosking Partners LLP54,491$13.27M0.6%-0.9%0.195% 5/12/2025 Citigroup Inc.34,629$8.43M0.0%+64.9%0.124% 5/12/2025 Swiss National Bank55,000$13.40M0.0%+0.5%0.196% 5/12/2025 Maryland State Retirement & Pension System883$215K0.0%-19.9%0.003% 5/9/2025 CenterBook Partners LP26,654$6.49M0.4%+125.5%0.095% 5/9/2025 Headlands Technologies LLC356$87K0.0%+64.1%0.001% 5/9/2025 Ontario Teachers Pension Plan Board2,217$540K0.0%+8.8%0.008% 5/9/2025 Deutsche Bank AG30,957$7.54M0.0%-17.7%0.111% 5/9/2025 Charles Schwab Investment Management Inc.203,180$49.49M0.0%+5.9%0.725% 5/9/2025 ASR Vermogensbeheer N.V.1,893$461K0.0%N/A0.007% 5/9/2025 Vanguard Group Inc.1,912,157$465.73M0.0%-0.4%6.826% 5/9/2025 Westfield Capital Management Co. LP134,671$32.80M0.2%-49.1%0.481% 5/9/2025 PNC Financial Services Group Inc.3,350$816K0.0%-60.6%0.012% 5/8/2025 US Bancorp DE9,250$2.25M0.0%-4.4%0.033% 5/8/2025 Natixis Advisors LLC26,654$6.49M0.0%-41.7%0.095% 5/8/2025 Bayforest Capital Ltd171$42K0.0%-53.2%0.001% 5/8/2025 Vestcor Inc177$43K0.0%-65.5%0.001% 5/8/2025 XTX Topco Ltd4,567$1.11M0.1%+134.3%0.016% 5/8/2025 Federated Hermes Inc.140,250$34.16M0.1%+2.0%0.501% 5/7/2025 Mawer Investment Management Ltd.294,879$71.82M0.3%+14.8%1.053% 5/7/2025 Mackenzie Financial Corp1,647$401K0.0%+161.8%0.006% 5/7/2025 LPL Financial LLC5,374$1.31M0.0%+3.4%0.019% 5/7/2025 Zurcher Kantonalbank Zurich Cantonalbank 16,440$4.00M0.0%+55.3%0.059% 5/7/2025 TD Asset Management Inc1,811$441K0.0%+11.2%0.006% 5/6/2025 Assetmark Inc.9,152$2.23M0.0%+15.7%0.033% 5/6/2025 Cetera Investment Advisers1,932$471K0.0%+12.5%0.007% 5/6/2025 Avantax Advisory Services Inc.5,487$1.34M0.0%+26.5%0.020% 5/6/2025 First Pacific Advisors LP372,555$90.74M1.5%+136.0%1.330% 5/6/2025 Oak Thistle LLC1,063$259K0.1%N/A0.004% 5/6/2025 Universal Beteiligungs und Servicegesellschaft mbH10,745$2.62M0.0%+1.0%0.038% 5/6/2025 Y Intercept Hong Kong Ltd847$206K0.0%N/A0.003% 5/5/2025 GW&K Investment Management LLC143,879$35.04M0.3%-1.1%0.514% 5/5/2025 Allianz Asset Management GmbH16,346$3.98M0.0%N/A0.058% 5/5/2025 Morningstar Investment Services LLC2,213$539K0.1%-37.9%0.008% 5/5/2025 Mystic Asset Management Inc.900$219K0.1%N/A0.003% 5/2/2025 Retirement Planning Co of New England Inc.900$219K0.1%N/A0.003% Trump’s treachery (Ad)Trump’s Final Reset Inside the shocking plot to re-engineer America’s financial system…and why you need to move your money now.Millions of Americans are about to be wiped out, while others could make a fortune… click here to ma5/2/2025 Victory Capital Management Inc.29,742$7.24M0.0%+33.9%0.106% 5/2/2025 Kornitzer Capital Management Inc. KS38,274$9.32M0.2%-2.6%0.137% 5/2/2025 Larson Financial Group LLC1,832$446K0.0%+60.3%0.007% 5/2/2025 Winslow Asset Management Inc.23,892$5.82M1.3%-1.4%0.085% 5/2/2025 Massachusetts Financial Services Co. MA4,262$1.04M0.0%+18.5%0.015% 5/2/2025 Signaturefd LLC212$52K0.0%-20.0%0.001% 5/1/2025 CWM LLC120$29K0.0%-78.1%0.000% 5/1/2025 Louisiana State Employees Retirement System5,400$1.32M0.0%+1.9%0.019% 5/1/2025 New York State Common Retirement Fund12,075$2.94M0.0%+9.0%0.043% 5/1/2025 Mutual of America Capital Management LLC9,917$2.42M0.0%-2.5%0.035% (Data available from 1/1/2016 forward) BIO Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of BIO shares? During the previous two years, 495 institutional investors and hedge funds held shares of Bio-Rad Laboratories. The most heavily invested institutionals were BlackRock Inc. ($598.17M), Vanguard Group Inc. ($465.73M), Wealthfront Advisers LLC ($342.69M), Veritas Asset Management LLP ($320.90M), Van ECK Associates Corp ($237.67M), First Eagle Investment Management LLC ($234.39M), and Dimensional Fund Advisors LP ($213.61M).Learn more on BIO's institutional investors. What percentage of Bio-Rad Laboratories stock is owned by institutional investors? 65.24% of Bio-Rad Laboratories stock is owned by institutional investors. Learn more on BIO's institutional investor holdings. Which institutional investors have been buying Bio-Rad Laboratories stock? Of the 394 institutional investors that purchased Bio-Rad Laboratories stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Van ECK Associates Corp ($1.30M), Wealthfront Advisers LLC ($1.04M), First Eagle Investment Management LLC ($636.57K), Ariel Investments LLC ($445.81K), Dimensional Fund Advisors LP ($431.92K), First Pacific Advisors LP ($375.26K), and Bank of America Corp DE ($374.27K). How much institutional buying is happening at Bio-Rad Laboratories? Institutional investors have bought a total of 10,975,374 shares in the last 24 months. This purchase volume represents approximately $3.52B in transactions. Which Bio-Rad Laboratories major shareholders have been selling company stock? Of the 278 institutional investors that sold Bio-Rad Laboratories stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Brown Advisory Inc. ($940.51K), Van ECK Associates Corp ($580.28K), Select Equity Group L.P. ($443.27K), Massachusetts Financial Services Co. MA ($346.37K), Westfield Capital Management Co. LP ($303.24K), Acadian Asset Management LLC ($236.87K), and Veritas Asset Management LLP ($233.52K). How much institutional selling is happening at Bio-Rad Laboratories? Institutional investors have sold a total of 6,327,162 shares in the last 24 months. This volume of shares sold represents approximately $2.08B in transactions. 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