Proto Labs (PRLB) Institutional Ownership $49.21 +0.12 (+0.24%) As of 03:11 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Proto Labs (NYSE:PRLB)CurrentInstitutional OwnershipPercentage84.54%Number ofInstitutional Buyers(last 12 months)107TotalInstitutional Inflows(last 12 months)$177.88MNumber ofInstitutional Sellers(last 12 months)80TotalInstitutional Outflows(last 12 months)$115.10M Get PRLB Insider Trade Alerts Want to know when executives and insiders are buying or selling Proto Labs stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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Skip Chart & View Institutional Buying and Selling Data PRLB Institutional Buying and Selling by Quarter Proto Labs Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/26/2025 Thrivent Financial for Lutherans17,479$700K0.0%-2.9%0.073% 8/19/2025 State of Wyoming1,611$65K0.0%-43.0%0.007% 8/18/2025 Nomura Holdings Inc.6,176$247K0.0%N/A0.026% 8/16/2025 Public Sector Pension Investment Board81,016$3.24M0.0%+4.3%0.339% 8/15/2025 CANADA LIFE ASSURANCE Co21,377$856K0.0%+8.1%0.090% 8/15/2025 Tower Research Capital LLC TRC 2,806$112K0.0%+363.0%0.012% 8/15/2025 State of Tennessee Department of Treasury9,733$390K0.0%-17.8%0.041% 8/15/2025 Captrust Financial Advisors15,826$634K0.0%+10.9%0.066% 8/15/2025 Tidal Investments LLC22,999$921K0.0%+8.0%0.096% 8/15/2025 Rubric Capital Management LP1,034,171$41.41M0.6%+791.9%4.331% Get the Latest News and Ratings for PRLB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Proto Labs and its competitors with MarketBeat's FREE daily newsletter. 8/15/2025 BNP Paribas Financial Markets11,059$443K0.0%+560.2%0.046% 8/15/2025 Bridgeway Capital Management LLC104,267$4.18M0.1%+4.9%0.437% 8/15/2025 Bank of America Corp DE68,262$2.73M0.0%-31.2%0.286% 8/15/2025 Ameriprise Financial Inc.86,952$3.48M0.0%-11.9%0.364% 8/14/2025 Disciplined Growth Investors Inc. MN2,722,011$108.99M2.1%+1.9%11.401% 8/14/2025 California State Teachers Retirement System23,164$927K0.0%-1.6%0.097% 8/14/2025 Canada Pension Plan Investment Board3,400$136K0.0%+183.3%0.014% 8/14/2025 Quantinno Capital Management LP7,391$296K0.0%N/A0.031% 8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.14,722$589K0.0%-11.2%0.062% 8/14/2025 The Manufacturers Life Insurance Company 8,602$344K0.0%-3.7%0.036% 8/14/2025 Sei Investments Co.5,969$239K0.0%-27.2%0.025% 8/14/2025 Qube Research & Technologies Ltd93,523$3.75M0.0%+14.8%0.392% 8/13/2025 Amundi9,298$379K0.0%-7.3%0.039% 8/13/2025 First Trust Advisors LP103,254$4.13M0.0%-83.5%0.432% 8/13/2025 Invesco Ltd.92,362$3.70M0.0%-9.4%0.387% 8/13/2025 Arrowstreet Capital Limited Partnership447,130$17.90M0.0%-0.7%1.872% 8/13/2025 Panagora Asset Management Inc.167,395$6.70M0.0%-1.2%0.701% 8/13/2025 Hsbc Holdings PLC11,991$480K0.0%N/A0.050% 8/13/2025 Russell Investments Group Ltd.22,244$891K0.0%-42.5%0.093% 8/12/2025 Prudential Financial Inc.49,029$1.96M0.0%-6.5%0.205% 8/12/2025 American Century Companies Inc.76,145$3.05M0.0%+4.3%0.319% 8/12/2025 Rhumbline Advisers74,070$2.97M0.0%-1.3%0.310% 8/12/2025 Franklin Resources Inc.30,864$1.24M0.0%+3.5%0.129% 8/12/2025 Legal & General Group Plc66,742$2.67M0.0%-7.4%0.279% 8/12/2025 AIMZ Investment Advisors LLC40,903$1.64M0.5%-3.0%0.171% 8/12/2025 Hillsdale Investment Management Inc.153,624$6.15M0.2%+28.4%0.643% 8/12/2025 JPMorgan Chase & Co.21,756$871K0.0%+68.8%0.091% 8/12/2025 Swiss National Bank45,400$1.82M0.0%-4.4%0.190% 8/11/2025 Empowered Funds LLC103,267$4.14M0.0%+5.0%0.433% 8/8/2025 Intech Investment Management LLC11,175$447K0.0%-31.1%0.047% What's the Best Way to Lower RMD Taxes? (Ad)Turning 73 triggers a key IRS rule: you must begin taking required minimum distributions (RMDs) from certain retirement accounts. Without the right strategy, these withdrawals can significantly increase your tax bill and shrink your nest egg. SmartAsset outlines six strategies that could help reduce your RMDs and potentially lower your tax burden. Their free tool can match you with vetted fiduciary financial advisors in your area—professionals legally bound to act in your best interest.Click here to see the six strategies and get your free advisor matches today.8/8/2025 Creative Planning6,314$253K0.0%-48.3%0.026% 8/8/2025 SG Americas Securities LLC21,070$844K0.0%+463.8%0.088% 8/8/2025 Commonwealth of Pennsylvania Public School Empls Retrmt SYS6,103$244K0.0%+4.1%0.026% 8/8/2025 Police & Firemen s Retirement System of New Jersey5,836$234K0.0%+14.2%0.024% 8/8/2025 Bailard Inc.16,200$649K0.0%-6.4%0.068% 8/8/2025 Geode Capital Management LLC562,336$22.52M0.0%-2.9%2.355% 8/8/2025 Jupiter Asset Management Ltd.194,832$7.80M0.1%+3.7%0.816% 8/7/2025 S Squared Technology LLC311,103$12.46M5.2%+1.3%1.303% 8/7/2025 ProShare Advisors LLC5,312$213K0.0%-8.3%0.022% 8/7/2025 Campbell & CO Investment Adviser LLC33,471$1.34M0.1%N/A0.140% 8/7/2025 Connor Clark & Lunn Investment Management Ltd.145,075$5.81M0.0%-5.2%0.608% 8/5/2025 Versor Investments LP5,587$224K0.0%N/A0.023% 8/1/2025 Teacher Retirement System of Texas20,812$833K0.0%-18.8%0.088% 8/1/2025 Y Intercept Hong Kong Ltd42,182$1.69M0.0%N/A0.177% 7/31/2025 AlphaQuest LLC23,508$941K0.1%+293,750.0%0.099% 7/30/2025 ARK Investment Management LLC79,499$3.18M0.0%-8.7%0.334% 7/29/2025 VIRGINIA RETIREMENT SYSTEMS ET Al14,400$577K0.0%N/A0.061% 7/29/2025 Nordea Investment Management AB249,584$9.99M0.0%+0.6%1.050% 7/25/2025 CWM LLC1,432$57K0.0%-22.2%0.006% 7/23/2025 Gagnon Securities LLC114,574$4.59M0.9%+17.4%0.482% 7/17/2025 Janney Montgomery Scott LLC11,786$472K0.0%N/A0.050% 7/16/2025 State of Alaska Department of Revenue14,137$565K0.0%+4.1%0.059% 7/11/2025 Assenagon Asset Management S.A.65,835$2.64M0.0%-0.4%0.277% 6/27/2025 Goldman Sachs Group Inc.108,211$3.79M0.0%-56.8%0.455% 6/18/2025 Voya Investment Management LLC28,293$991K0.0%+259.3%0.119% 5/29/2025 Rhumbline Advisers75,015$2.63M0.0%-4.8%0.316% 5/28/2025 Strs Ohio17,000$596K0.0%N/A0.072% 5/19/2025 UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC79,191$2.78M0.0%-1.8%0.333% 5/16/2025 Empowered Funds LLC98,394$3.45M0.0%+3.2%0.414% 5/16/2025 Goldman Sachs Group Inc.108,211$3.79M0.0%-56.8%0.455% 5/16/2025 NewEdge Advisors LLC748$26K0.0%+7,380.0%0.003% 5/16/2025 Bridgeway Capital Management LLC99,394$3.48M0.1%+3.1%0.418% 5/16/2025 AQR Capital Management LLC63,871$2.24M0.0%+3.3%0.269% 5/15/2025 Royal Bank of Canada6,510$228K0.0%+51.3%0.027% 5/15/2025 Graham Capital Management L.P.20,147$706K0.0%+133.5%0.085% 5/15/2025 Panagora Asset Management Inc.169,496$5.94M0.0%-1.7%0.713% 5/15/2025 State of Wyoming2,824$99K0.0%N/A0.012% 5/15/2025 Trexquant Investment LP107,154$3.76M0.0%+3.9%0.451% 5/14/2025 Truvestments Capital LLC7,507$263K0.1%N/A0.032% 5/14/2025 Ieq Capital LLC8,559$300K0.0%N/A0.036% 5/14/2025 Corebridge Financial Inc.12,838$450K0.0%-4.3%0.054% 5/14/2025 MetLife Investment Management LLC15,105$529K0.0%-2.1%0.064% 5/14/2025 Hotchkis & Wiley Capital Management LLC152,100$5.33M0.0%-53.2%0.640% 5/14/2025 Wellington Management Group LLP711,738$24.94M0.0%+97.4%2.994% 5/13/2025 Northern Trust Corp271,790$9.52M0.0%-3.5%1.143% 5/13/2025 Algert Global LLC85,084$2.98M0.1%+137.3%0.358% 5/13/2025 American Century Companies Inc.73,004$2.56M0.0%+38.8%0.307% 5/13/2025 Russell Investments Group Ltd.38,679$1.36M0.0%+91.8%0.163% 5/12/2025 Public Sector Pension Investment Board77,679$2.72M0.0%+27.2%0.327% 5/12/2025 Nuveen LLC70,150$2.46M0.0%N/A0.295% What's the Best Way to Lower RMD Taxes? (Ad)Turning 73 triggers a key IRS rule: you must begin taking required minimum distributions (RMDs) from certain retirement accounts. Without the right strategy, these withdrawals can significantly increase your tax bill and shrink your nest egg. SmartAsset outlines six strategies that could help reduce your RMDs and potentially lower your tax burden. Their free tool can match you with vetted fiduciary financial advisors in your area—professionals legally bound to act in your best interest.Click here to see the six strategies and get your free advisor matches today.5/12/2025 Invesco Ltd.101,970$3.57M0.0%+5.4%0.429% 5/12/2025 Connor Clark & Lunn Investment Management Ltd.153,042$5.36M0.0%+14.6%0.644% 5/12/2025 Swiss National Bank47,500$1.66M0.0%-4.0%0.200% 5/12/2025 Maryland State Retirement & Pension System7,162$251K0.0%-13.2%0.030% 5/9/2025 Gagnon Securities LLC97,625$3.42M0.8%+4.9%0.411% 5/9/2025 Deutsche Bank AG102,169$3.58M0.0%-2.0%0.430% 5/9/2025 Charles Schwab Investment Management Inc.274,038$9.60M0.0%-5.3%1.153% 5/9/2025 Vanguard Group Inc.2,825,585$99.01M0.0%-1.3%11.887% 5/9/2025 PNC Financial Services Group Inc.2,165$76K0.0%+14.1%0.009% 5/8/2025 Federated Hermes Inc.30,238$1.06M0.0%+10.8%0.127% (Data available from 1/1/2016 forward) PRLB Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of PRLB shares? During the previous two years, 186 institutional investors and hedge funds held shares of Proto Labs. The most heavily invested institutionals were Disciplined Growth Investors Inc. MN ($108.99M), Vanguard Group Inc. ($99.01M), Dimensional Fund Advisors LP ($50.85M), Rubric Capital Management LP ($41.41M), State Street Corp ($28.36M), Wellington Management Group LLP ($24.94M), and Geode Capital Management LLC ($22.52M).Learn more on Proto Labs' institutional investors. What percentage of Proto Labs' stock is owned by institutional investors? 84.54% of Proto Labs' stock is owned by institutional investors. Learn more on PRLB's institutional investor holdings. Which institutional investors have been buying Proto Labs' stock? Of the 148 institutional investors that purchased Proto Labs' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Rubric Capital Management LP ($918.22K), Pacer Advisors Inc. ($719.56K), Wellington Management Group LLP ($379.32K), Norges Bank ($341.94K), First Trust Advisors LP ($308.97K), Assenagon Asset Management S.A. ($299.85K), and Hotchkis & Wiley Capital Management LLC ($292.36K). How much institutional buying is happening at Proto Labs? Institutional investors have bought a total of 4,950,793 shares in the last 24 months. This purchase volume represents approximately $177.88M in transactions. Which of Proto Labs' major shareholders have been selling company stock? Of the 80 institutional investors that sold Proto Labs' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Pacer Advisors Inc. ($572.25K), First Trust Advisors LP ($521.47K), Goldman Sachs Group Inc. ($284.63K), Assenagon Asset Management S.A. ($234.01K), Hotchkis & Wiley Capital Management LLC ($173.02K), Jacobs Levy Equity Management Inc. ($133.62K), and Prudential Financial Inc. ($113.73K). How much institutional selling is happening at Proto Labs? Institutional investors have sold a total of 3,068,568 shares in the last 24 months. This volume of shares sold represents approximately $115.10M in transactions. 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