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Proto Labs (PRLB) Institutional Ownership

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$80.58 +5.54 (+7.38%)
Closing price 03:59 PM Eastern
Extended Trading
$80.32 -0.27 (-0.33%)
As of 04:15 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 Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Proto Labs (NYSE:PRLB)

Current
Institutional Ownership
Percentage
84.54%
Number of
Institutional Buyers
(last 12 months)
107
Total
Institutional Inflows
(last 12 months)
$166.39M
Number of
Institutional Sellers
(last 12 months)
87
Total
Institutional Outflows
(last 12 months)
$132.93M
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PRLB Institutional Buying and Selling by Quarter

Proto Labs Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/8/2026 Assenagon Asset Management S.A.12,238$998K0.0%-73.8%0.051%
6/18/2026Pacer Advisors Inc.5,653$322K0.0%+74.2%0.024%
5/19/2026Bank of America Corp DE129,113$7.36M0.0%+38.3%0.543%
5/19/2026Edgestream Partners L.P.19,015$1.08M0.0%N/A0.080%
5/18/2026Amundi14,082$803K0.0%+16.9%0.059%
5/18/2026California State Teachers Retirement System22,967$1.31M0.0%-0.8%0.097%
5/18/2026Royal Bank of Canada13,059$745K0.0%-21.5%0.055%
5/18/2026Rubric Capital Management LP486,400$27.74M0.3%-56.7%2.045%
5/16/2026American Capital Management Inc.627,705$35.79M1.9%-0.6%2.638%
5/16/2026The Manufacturers Life Insurance Company 9,537$544K0.0%-4.1%0.040%
5/16/2026Quantinno Capital Management LP27,716$1.58M0.0%+98.9%0.116%
5/16/2026Polar Asset Management Partners Inc.60,369$3.44M0.1%-27.6%0.254%
5/16/2026Lazard Asset Management LLC99,333$5.66M0.0%+31.4%0.418%
5/15/2026Rice Hall James & Associates LLC113,589$6.48M0.4%-0.9%0.477%
5/14/2026Renaissance Technologies LLC520,251$29.67M0.0%+5.4%2.187%
5/14/2026Arrowstreet Capital Limited Partnership463,780$26.45M0.0%+0.7%1.949%
5/14/2026Sei Investments Co.8,819$503K0.0%N/A0.037%
5/14/2026State of Wyoming3,436$196K0.0%-52.6%0.014%
5/13/2026First Trust Advisors LP92,870$5.30M0.0%-12.3%0.390%
5/8/2026Summit Global Investments12,720$725K0.0%+36.0%0.053%
5/7/2026Dimensional Fund Advisors LP1,272,356$72.55M0.0%-0.3%5.347%
5/6/2026 Angeles Wealth Management LLC4,490$256K0.0%N/A0.019%
5/6/2026 Independent Financial Group LLC3,965$226K0.0%N/A0.017%
5/5/2026Bastion Asset Management Inc.28,270$1.61M0.5%N/A0.119%
5/5/2026Bank of New York Mellon Corp139,917$7.98M0.0%-2.2%0.588%
5/5/2026Illinois Municipal Retirement Fund12,871$734K0.0%+2.4%0.054%
5/5/2026Hillsdale Investment Management Inc.174,384$9.94M0.3%+3.6%0.733%
5/4/2026Principal Financial Group Inc.133,613$7.62M0.0%-2.2%0.562%
5/1/2026Fifth Third Bancorp5,129$292K0.0%+3,537.6%0.022%
4/30/2026Hsbc Holdings PLC15,378$867K0.0%+12.9%0.065%
4/27/2026 New York State Teachers Retirement System11,536$658K0.0%-50.9%0.048%
4/25/2026 Strs Ohio13,200$753K0.0%-5.7%0.055%
4/22/2026Janney Montgomery Scott LLC7,233$412K0.0%-7.9%0.030%
4/22/2026 Pictet Asset Management Holding SA3,774$215K0.0%N/A0.016%
4/22/2026 Sterling Capital Management LLC789$45K0.0%-42.5%0.003%
4/21/2026 Louisiana State Employees Retirement System10,500$599K0.0%N/A0.044%
4/20/2026 Assenagon Asset Management S.A.46,776$2.67M0.0%+68.6%0.197%
4/16/2026SG Americas Securities LLC6,429$367K0.0%-78.7%0.027%
4/16/2026 Diversified Trust Co11,795$673K0.0%+12.4%0.050%
3/20/2026Hsbc Holdings PLC13,624$694K0.0%+45.4%0.057%
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3/9/2026 Auto Owners Insurance Co227,655$11.52M0.0%+4,959.0%0.958%
2/24/2026Pacer Advisors Inc.3,246$164K0.0%-60.5%0.014%
2/19/2026Invesco Ltd.107,698$5.45M0.0%+5.2%0.455%
2/18/2026Summit Global Investments9,350$473K0.0%N/A0.039%
2/18/2026State of Tennessee Department of Treasury17,728$933K0.0%+82.1%0.075%
2/18/2026Empowered Funds LLC112,876$5.71M0.0%+4.0%0.477%
2/18/2026Zacks Investment Management6,416$325K0.0%N/A0.027%
2/18/2026Millennium Management LLC101,532$5.14M0.0%-2.5%0.429%
2/18/2026Gotham Asset Management LLC11,170$565K0.0%-16.3%0.047%
2/18/2026Bridgeway Capital Management LLC113,876$5.76M0.1%+4.0%0.481%
2/17/2026Guggenheim Capital LLC9,826$497K0.0%N/A0.041%
2/17/2026American Capital Management Inc.631,311$31.94M1.4%+126.0%2.666%
2/17/2026Polar Asset Management Partners Inc.83,402$4.22M0.1%-35.1%0.352%
2/17/2026AQR Capital Management LLC51,260$2.59M0.0%+61.0%0.216%
2/17/2026Lazard Asset Management LLC75,574$3.82M0.0%-16.6%0.319%
2/17/2026Trexquant Investment LP27,627$1.40M0.0%N/A0.117%
2/17/2026Amundi12,051$610K0.0%+29.6%0.051%
2/17/2026Price T Rowe Associates Inc. MD28,034$1.42M0.0%+2.9%0.118%
2/17/2026State of Wisconsin Investment Board13,259$671K0.0%+42.1%0.056%
2/17/2026ExodusPoint Capital Management LP7,247$367K0.0%+56.0%0.031%
2/17/2026Rice Hall James & Associates LLC114,563$5.80M0.3%-6.1%0.484%
2/16/2026Truvestments Capital LLC11,106$562K0.1%+18.0%0.047%
2/16/2026Verition Fund Management LLC14,600$739K0.0%-7.1%0.062%
2/16/2026Panagora Asset Management Inc.175,585$8.88M0.0%+4.3%0.741%
2/16/2026S Squared Technology LLC306,103$15.49M6.0%-1.6%1.293%
2/16/2026Mariner LLC4,527$229K0.0%N/A0.019%
2/16/2026Barclays PLC38,149$1.93M0.0%+11.4%0.161%
2/13/2026The Manufacturers Life Insurance Company 9,942$503K0.0%-6.9%0.042%
2/13/2026Public Sector Pension Investment Board110,351$5.58M0.0%-2.4%0.466%
2/13/2026Essex Investment Management Co. LLC15,504$784K0.1%-25.8%0.065%
2/13/2026First Trust Advisors LP105,929$5.36M0.0%+26.5%0.447%
2/13/2026Charles Schwab Investment Management Inc.363,013$18.37M0.0%+9.5%1.533%
2/13/2026 Police & Firemen s Retirement System of New Jersey6,008$304K0.0%-10.0%0.025%
2/13/2026State Street Corp1,088,206$55.05M0.0%-7.4%4.595%
2/13/2026Ieq Capital LLC6,155$311K0.0%N/A0.026%
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC64,643$3.27M0.0%+7.3%0.273%
2/13/2026Wells Fargo & Company MN29,974$1.52M0.0%+37.3%0.127%
2/13/2026Gagnon Securities LLC111,548$5.64M1.1%+2.6%0.471%
2/12/2026MetLife Investment Management LLC13,537$685K0.0%-6.6%0.057%
2/12/2026Renaissance Technologies LLC493,551$24.97M0.0%-9.2%2.084%
2/12/2026Dimensional Fund Advisors LP1,276,561$64.58M0.0%-2.3%5.391%
2/12/2026Federated Hermes Inc.30,748$1.56M0.0%+1.5%0.130%
2/12/2026 Haven Private LLC8,313$421K0.2%N/A0.035%
2/12/2026Steward Partners Investment Advisory LLC8,000$405K0.0%N/A0.034%
2/12/2026Campbell & CO Investment Adviser LLC41,520$2.10M0.1%+60.5%0.175%
2/12/2026Bank of Montreal Can3,984$202K0.0%N/A0.017%
2/12/2026 Alps Advisors Inc.17,713$896K0.0%-7.8%0.075%
2/12/2026Swiss National Bank47,100$2.38M0.0%+2.2%0.199%
2/12/2026Polen Capital Management LLC4,148$210K0.0%N/A0.018%
2/12/2026Nuveen LLC325,750$16.48M0.0%-1.3%1.376%
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2/12/2026Group One Trading LLC500$25K0.0%N/A0.002%
2/11/2026ARK Investment Management LLC56,744$2.87M0.0%-21.0%0.240%
2/11/2026Empowered Funds LLC112,876$5.71M0.0%+4.0%0.477%
2/11/2026Janney Montgomery Scott LLC7,850$397K0.0%-17.3%0.033%
2/11/2026Deutsche Bank AG27,768$1.41M0.0%-80.5%0.117%
2/11/2026Cerity Partners LLC4,221$214K0.0%N/A0.018%
2/11/2026Franklin Resources Inc.32,937$1.67M0.0%+8.5%0.139%
2/11/2026JPMorgan Chase & Co.118,635$6.00M0.0%+35.8%0.501%
2/11/2026Modus Advisors LLC1,133$57K0.0%N/A0.005%
2/11/2026State of Wyoming7,254$367K0.0%+429.5%0.031%


PRLB Institutional Ownership - Frequently Asked Questions

During the previous two years, 200 institutional investors and hedge funds held shares of Proto Labs. The most heavily invested institutionals were Vanguard Group Inc. ($134.88M), Disciplined Growth Investors Inc. MN ($129.70M), Dimensional Fund Advisors LP ($72.55M), State Street Corp ($55.05M), American Capital Management Inc. ($35.79M), Renaissance Technologies LLC ($29.67M), and Geode Capital Management LLC ($28.25M).Learn more on Proto Labs' institutional investors.

84.54% of Proto Labs' stock is owned by institutional investors. Learn more on PRLB's institutional investor holdings.

Of the 161 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 ($1.01M), Pacer Advisors Inc. ($721.97K), American Capital Management Inc. ($577.28K), Wellington Management Group LLP ($374.79K), First Trust Advisors LP ($331.18K), Hotchkis & Wiley Capital Management LLC ($292.36K), and Polar Asset Management Partners Inc. ($256.86K).

Institutional investors have bought a total of 3,513,977 shares in the last 24 months. This purchase volume represents approximately $166.39M in transactions.

Of the 87 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: Rubric Capital Management LP ($636.94K), First Trust Advisors LP ($554.06K), Disciplined Growth Investors Inc. MN ($129.64K), Deutsche Bank AG ($114.47K), Vanguard Group Inc. ($106.64K), Pacer Advisors Inc. ($102.76K), and State Street Corp ($87.09K).

Institutional investors have sold a total of 2,660,472 shares in the last 24 months. This volume of shares sold represents approximately $132.93M in transactions.


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This page (NYSE:PRLB) was last updated on 8/3/2026 by MarketBeat.com Staff.
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