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Proto Labs Inc

PRLB
Exchange
NYSE
Industry
Fabricated Structural Metal Products
SEC CIK
0001443669

In the last 90 days, Proto Labs Inc insiders filed 0 open-market purchases and 2 sales; 277 institutions reported holding it in 13F filings for Q2 2026, worth $1.83B in total; ARK Invest is the only superinvestor holding it.

13F holders, Q4 2025

Institutional positions in Proto Labs Inc as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
234
+22 vs. Q3 2025
Shares held
21.8M
+23.8K (+0.1%) vs. Q3 2025
Total value
$1.10B
+$13.7M (+1.3%) vs. Q3 2025
New holders
44
78 more added
Sold out
22
72 more reduced

1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting PRLB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 234 institutions
Q1 2021: 316 institutionsQ2 2021: 273 institutionsQ3 2021: 264 institutionsQ4 2021: 245 institutionsQ1 2022: 236 institutionsQ2 2022: 227 institutionsQ3 2022: 210 institutionsQ4 2022: 199 institutionsQ1 2023: 199 institutionsQ2 2023: 193 institutionsQ3 2023: 185 institutionsQ4 2023: 219 institutionsQ1 2024: 203 institutionsQ2 2024: 204 institutionsQ3 2024: 193 institutionsQ4 2024: 199 institutionsQ1 2025: 188 institutionsQ2 2025: 202 institutionsQ3 2025: 213 institutionsQ4 2025: 234 institutionsQ1 2026: 263 institutionsQ2 2026: 277 institutions
Value heldQ4 2025: $1.10B
Q1 2021: $3.49BQ2 2021: $2.65BQ3 2021: $1.89BQ4 2021: $1.31BQ1 2022: $1.31BQ2 2022: $1.16BQ3 2022: $881.5MQ4 2022: $593.9MQ1 2023: $745.6MQ2 2023: $775.6MQ3 2023: $571.4MQ4 2023: $845.8MQ1 2024: $774.1MQ2 2024: $662.3MQ3 2024: $634.3MQ4 2024: $837.2MQ1 2025: $764.5MQ2 2025: $866.4MQ3 2025: $1.09BQ4 2025: $1.10BQ1 2026: $1.26BQ2 2026: $1.83B
Institutions holding PRLB and their total value by quarter
QuarterHoldersValue
Q2 2026277$1.83B
Q1 2026263$1.26B
Q4 2025234$1.10B
Q3 2025213$1.09B
Q2 2025202$866.4M
Q1 2025188$764.5M
Q4 2024199$837.2M
Q3 2024193$634.3M
Q2 2024204$662.3M
Q1 2024203$774.1M
Q4 2023219$845.8M
Q3 2023185$571.4M
Q2 2023193$775.6M
Q1 2023199$745.6M
Q4 2022199$593.9M
Q3 2022210$881.5M
Q2 2022227$1.16B
Q1 2022236$1.31B
Q4 2021245$1.31B
Q3 2021264$1.89B
Q2 2021273$2.65B
Q1 2021316$3.49B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Proto Labs Inc; share changes are against Q3 2025.

Institutions holding PRLB in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Police & Firemen's Retirement System of New Jersey6,008$303.9K0.00%−665−10.0%Reduced
Two Sigma Advisers, LP6,100$308.6K0.00%00.0%Unchanged
Teachers Retirement System of the State of Kentucky6,120$309.0K0.00%−757−11.0%Reduced
Ieq Capital, LLC6,155$311.4K0.00%+6,155New
Algert Global LLC6,325$320.0K0.00%−80,649−92.7%Reduced
Zacks Investment Management6,416$324.6K0.00%+6,416New
Arizona State Retirement System6,653$336.6K0.00%−381−5.4%Reduced
Brevan Howard Capital Management LP6,800$344.0K0.01%+6,800New
Yousif Capital Management, LLC6,490$344.2K0.00%−957−12.9%Reduced
Amalgamated Bank6,932$351.0K0.00%−139−2.0%Reduced
ExodusPoint Capital Management, LP7,247$366.6K0.00%+2,601+56.0%Added
State of Wyoming7,254$367.0K0.04%+5,884+429.5%Added
New York State Common Retirement Fund7,519$380.4K0.00%00.0%Unchanged
State Board of Administration of Florida Retirement System7,559$382.4K0.00%00.0%Unchanged
Janney Montgomery Scott LLC7,850$397.0K0.00%−1,645−17.3%Reduced
Steward Partners Investment Advisory, LLC8,000$404.7K0.00%+8,000New
BNP Paribas Arbitrage, SA8,115$410.5K0.00%−11,013−57.6%Reduced
Argos Wealth Advisors, LLC8,173$413.5K0.12%+8,173New
Haven Private, LLC8,313$420.6K0.18%+8,313New
Jackson Creek Investment Advisors LLC8,405$425.0K0.13%+8,405New
Quest Partners LLC8,881$449.3K0.03%+3,503+65.1%Added
Allianz Asset Management GmbH9,115$461.1K0.00%00.0%Unchanged
Creative Planning9,194$465.1K0.00%+2,311+33.6%Added
Summit Global Investments9,350$473.0K0.03%+9,350New
Guggenheim Capital LLC9,826$497.1K0.00%+9,826New
Manufacturers Life Insurance Company, The9,942$503.0K0.00%−742−6.9%Reduced
RBF Capital, LLC10,000$505.9K0.02%00.0%Unchanged
Intech Investment Management LLC10,005$506.2K0.00%−5,313−34.7%Reduced
Diversified Trust Co10,495$530.9K0.01%+467+4.7%Added
Louisiana State Employees Retirement System10,800$546.4K0.01%−200−1.8%Reduced
Truvestments Capital LLC11,106$561.9K0.10%+1,693+18.0%Added
Gotham Asset Management, LLC11,170$565.1K0.00%−2,169−16.3%Reduced
Round Rock Advisors, LLC11,219$567.6K0.09%+4,609+69.7%Added
Horizon Investments, LLC11,886$601.3K0.01%+395+3.4%Added
Select Equity Group, L.P.11,919$603.0K0.00%−40,527−77.3%Reduced
Amundi12,051$609.7K0.00%+2,753+29.6%Added
Marks Group Wealth Management, Inc12,052$609.7K0.06%00.0%Unchanged
Janus Henderson Group PLC12,228$618.5K0.00%+68+0.6%Added
OP Asset Management Ltd12,429$628.8K0.01%+897+7.8%Added
Citadel Advisors LLC12,461$630.4K0.00%−42,751−77.4%Reduced
Mirae Asset Global ETFs Holdings Ltd.12,507$632.7K0.00%+145+1.2%Added
Illinois Municipal Retirement Fund12,571$636.0K0.01%−122−1.0%Reduced
Canada Pension Plan Investment Board12,700$642.5K0.00%+7,500+144.2%Added
Toroso Investments, LLC12,997$657.5K0.00%+7+0.1%Added
State of Wisconsin Investment Board13,259$670.8K0.00%+3,928+42.1%Added
State of Alaska, Department of Revenue13,280$671.0K0.01%−53−0.4%Reduced
Bailard, Inc.13,281$671.9K0.01%−2,919−18.0%Reduced
MetLife Investment Management13,537$684.8K0.00%−959−6.6%Reduced
HSBC Holdings PLC13,624$693.7K0.00%+4,253+45.4%Added
Quantinno Capital Management LP13,935$705.0K0.00%+4,071+41.3%Added
STRS Ohio14,000$708.3K0.00%−500−3.4%Reduced
Gabelli & Co Investment Advisers, Inc.14,500$733.6K0.11%00.0%Unchanged
Versor Investments LP14,599$738.6K0.12%+4,999+52.1%Added
Verition Fund Management LLC14,600$738.6K0.00%−1,118−7.1%Reduced
Engineers Gate Manager LP14,733$745.3K0.01%+67+0.5%Added
Qube Research & Technologies Ltd14,950$756.3K0.00%−58,707−79.7%Reduced
Citigroup Inc15,313$774.7K0.00%−6,824−30.8%Reduced
Essex Investment Management Co LLC15,504$784.3K0.12%−5,382−25.8%Reduced
Captrust Financial Advisors15,849$801.8K0.00%+124+0.8%Added
Dark Forest Capital Management LP15,943$806.6K0.04%−30,261−65.5%Reduced
Thrivent Financial for Lutherans16,271$823.0K0.00%−953−5.5%Reduced
Royal Bank of Canada16,627$842.0K0.00%+17+0.1%Added
Alps Advisors Inc17,713$896.1K0.01%−1,505−7.8%Reduced
State of Tennessee, Treasury Department17,728$933.4K0.00%+7,995+82.1%Added
Great West Life Assurance Co19,845$1.00M0.00%00.0%Unchanged
Alliancebernstein L.P.20,740$1.05M0.00%−7,100−25.5%Reduced
Gabelli Funds LLC21,132$1.07M0.01%−1,171−5.3%Reduced
California State Teachers Retirement System23,144$1.17M0.00%−21−0.1%Reduced
Virginia Retirement Systems Et Al23,400$1.18M0.01%−2,500−9.7%Reduced
New York State Teachers Retirement System23,488$1.19M0.00%−131−0.6%Reduced
Teacher Retirement System of Texas24,359$1.23M0.00%−908−3.6%Reduced
Trexquant Investment LP27,627$1.40M0.01%+27,627New
Assenagon Asset Management S.A.27,745$1.40M0.00%00.0%Unchanged
Deutsche Bank AG27,768$1.40M0.00%−114,468−80.5%Reduced
Price T Rowe Associates Inc28,034$1.42M0.00%+798+2.9%Added
Acadian Asset Management LLC29,468$1.49M0.00%+16,751+131.7%Added
Wells Fargo & Company29,974$1.52M0.00%+8,141+37.3%Added
SG Americas Securities, LLC30,155$1.53M0.00%+8,736+40.8%Added
Voya Investment Management LLC30,218$1.53M0.00%+515+1.7%Added
Federated Hermes, Inc.30,748$1.56M0.00%+469+1.5%Added
Franklin Resources Inc32,937$1.67M0.00%+2,582+8.5%Added
Barclays PLC38,149$1.93M0.00%+3,899+11.4%Added
AIMZ Investment Advisors, LLC39,628$2.00M0.57%−400−1.0%Reduced
Point72 Asset Management, L.P.39,907$2.02M0.00%+39,907New
CWA Asset Management Group, LLC41,508$2.10M0.08%+1,256+3.1%Added
Campbell & CO Investment Adviser LLC41,520$2.10M0.10%+15,645+60.5%Added
Swiss National Bank47,100$2.38M0.00%+1,000+2.2%Added
Ameriprise Financial Inc48,717$2.46M0.00%−4,671−8.7%Reduced
AQR Capital Management LLC51,260$2.59M0.00%+19,429+61.0%Added
ARK Investment Management LLCSuperinvestorARK Invest56,744$2.87M0.02%−15,053−21.0%Reduced
Legal & General Group Plc63,927$3.23M0.00%−1,319−2.0%Reduced
UBS Asset Management Americas Inc64,643$3.27M0.00%+4,406+7.3%Added
Rhumbline Advisers64,715$3.27M0.00%−8,065−11.1%Reduced
Lazard Asset Management LLC75,574$3.82M0.01%−15,013−16.6%Reduced
American Century Companies Inc79,145$4.00M0.00%+1,078+1.4%Added
Polar Asset Management Partners Inc.83,402$4.22M0.08%−45,027−35.1%Reduced
Bank of America Corp93,329$4.72M0.00%−39,032−29.5%Reduced
Millennium Management LLC101,532$5.14M0.00%−2,636−2.5%Reduced
First Trust Advisors LP105,929$5.36M0.00%+22,213+26.5%Added
Invesco Ltd.107,698$5.45M0.00%+5,364+5.2%Added