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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, Q1 2022

Institutional positions in Proto Labs Inc as of Mar 31, 2022. 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
236
−5 vs. Q4 2021
Shares held
24.7M
−706.4K (−2.8%) vs. Q4 2021
Total value
$1.31B
+$935.0K (+0.1%) vs. Q4 2021
New holders
31
67 more added
Sold out
36
97 more reduced

4 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: 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 holdersQ1 2022: 236 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 heldQ1 2022: $1.31B
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, Q1 2022

Shares, value and share of portfolio for each institution holding Proto Labs Inc; share changes are against Q4 2021.

Institutions holding PRLB in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Steel Peak Wealth Management LLC6,150$325.0K0.02%−127−2.0%Reduced
ProShare Advisors LLC6,172$327.0K0.00%−769−11.1%Reduced
Graham Capital Management, L.P.6,351$335.0K0.02%+501+8.6%Added
Aigen Investment Management, LP6,726$356.0K0.06%+6,726New
Squarepoint Ops LLC6,950$368.0K0.00%−2,993−30.1%Reduced
Arnhold LLC7,114$376.0K0.04%00.0%Unchanged
Blair William & Co7,251$384.0K0.00%−2,844−28.2%Reduced
Pathstone Family Office, LLC6,695$385.0K0.01%+6,695New
Arizona State Retirement System7,458$395.0K0.00%−14−0.2%Reduced
Teachers Retirement System of the State of Kentucky7,559$400.0K0.00%00.0%Unchanged
Trexquant Investment LP7,940$420.0K0.02%−2,446−23.6%Reduced
Green Alpha Advisors, LLC7,940$420.0K0.28%+7,940New
Russell Investments Group, Ltd.8,132$430.0K0.00%00.0%Unchanged
Quadrature Capital Ltd8,273$437.0K0.02%−8,978−52.0%Reduced
DekaBank Deutsche Girozentrale8,200$448.0K0.00%00.0%Unchanged
HSBC Holdings PLC8,441$448.0K0.00%+3,475+70.0%Added
Envestnet Asset Management Inc8,611$456.0K0.00%−7,756−47.4%Reduced
SG Americas Securities, LLC8,656$458.0K0.00%−65,903−88.4%Reduced
Davy Global Fund Management Ltd8,710$461.0K0.08%−3,618−29.3%Reduced
Advisor Group Holdings, Inc.5,273$464.0K0.00%−175−3.2%Reduced
Ensign Peak Advisors, Inc8,972$475.0K0.00%00.0%Unchanged
Dorsey & Whitney Trust CO LLC9,224$488.0K0.04%−1,009−9.9%Reduced
Bank of Montreal8,914$500.0K0.00%+204+2.3%Added
Wells Fargo & Company9,826$519.0K0.00%−12,057−55.1%Reduced
SEI Investments Co9,935$525.0K0.00%−5,538−35.8%Reduced
Oregon Public Employees Retirement Fund10,450$553.0K0.01%−200−1.9%Reduced
Everence Capital Management Inc10,630$562.0K0.04%+4,930+86.5%Added
Caxton Associates LP10,663$564.0K0.05%−5,852−35.4%Reduced
Voya Investment Management LLC10,972$580.0K0.00%+238+2.2%Added
DnB Asset Management AS10,989$581.3K0.00%−14,797−57.4%Reduced
Maryland State Retirement & Pension System11,160$590.0K0.02%+151+1.4%Added
Louisiana State Employees Retirement System13,400$615.0K0.01%00.0%Unchanged
ExodusPoint Capital Management, LP11,738$621.0K0.01%−336−2.8%Reduced
Manufacturers Life Insurance Company, The11,751$621.6K0.00%−2,792−19.2%Reduced
Qube Research & Technologies Ltd11,768$623.0K0.01%+11,768New
US Bancorp11,960$633.0K0.00%−2,261−15.9%Reduced
STRS Ohio12,000$634.0K0.00%+12,000New
LPL Financial LLC12,102$640.0K0.00%−1,171−8.8%Reduced
Marks Group Wealth Management, Inc12,352$653.0K0.08%00.0%Unchanged
Essex Investment Management Co LLC12,593$666.0K0.08%−707−5.3%Reduced
Amalgamated Bank12,599$666.0K0.01%−637−4.8%Reduced
Amalgamated Financial Corp.12,599$666.0K0.01%+12,599New
Gabelli & Co Investment Advisers, Inc.13,000$688.0K0.09%+3,500+36.8%Added
Cardinal Capital Management13,143$695.0K0.14%+13,143New
State Board of Administration of Florida Retirement System13,159$696.0K0.00%−1,490−10.2%Reduced
MetLife Investment Management14,038$742.6K0.00%+3,673+35.4%Added
Price T Rowe Associates Inc14,603$772.0K0.00%+594+4.2%Added
American International Group, Inc.15,907$841.0K0.00%−975−5.8%Reduced
Gabelli Funds LLC16,759$887.0K0.01%+2,459+17.2%Added
Deutsche Bank AG17,450$923.0K0.00%−3,266−15.8%Reduced
Toroso Investments, LLC17,538$928.0K0.03%+7,612+76.7%Added
AlphaCrest Capital Management LLC18,397$973.0K0.05%+2,772+17.7%Added
Jane Street Group, LLC18,905$1.00M0.00%+8,968+90.2%Added
State of Alaska, Department of Revenue19,189$1.01M0.01%−345−1.8%Reduced
Texas Permanent School Fund19,560$1.03M0.01%−419−2.1%Reduced
Comerica Bank23,808$1.09M0.01%−49−0.2%Reduced
JPMorgan Chase & Co21,217$1.12M0.00%−1,392−6.2%Reduced
State of Tennessee, Treasury Department21,224$1.12M0.00%+6,760+46.7%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys23,785$1.26M0.01%+2,932+14.1%Added
Susquehanna International Group, LLP24,286$1.28M0.00%−12,394−33.8%Reduced
Great West Life Assurance Co23,963$1.30M0.00%+198+0.8%Added
Yousif Capital Management, LLC24,863$1.31M0.01%−450−1.8%Reduced
Schonfeld Strategic Advisors LLC24,900$1.32M0.01%+15,500+164.9%Added
New York State Teachers Retirement System24,945$1.32M0.00%00.0%Unchanged
AQR Capital Management LLC25,247$1.34M0.00%+2,279+9.9%Added
UBS Asset Management Americas Inc25,977$1.37M0.00%00.0%Unchanged
Hussman Strategic Advisors, Inc.26,000$1.38M0.27%00.0%Unchanged
Occudo Quantitative Strategies LP26,150$1.38M0.12%−25,670−49.5%Reduced
Barclays PLC26,715$1.41M0.00%−15,556−36.8%Reduced
Healthcare of Ontario Pension Plan Trust Fund27,233$1.44M0.01%+14,899+120.8%Added
Prudential Financial Inc28,828$1.52M0.00%−828−2.8%Reduced
Alps Advisors Inc31,765$1.68M0.02%−15,465−32.7%Reduced
BNP Paribas Arbitrage, SA32,604$1.72M0.00%−5,318−14.0%Reduced
California State Teachers Retirement System35,560$1.88M0.00%−3,095−8.0%Reduced
Connor, Clark & Lunn Investment Management Ltd.35,777$1.89M0.01%−9,167−20.4%Reduced
Citigroup Inc37,421$1.98M0.00%−3,631−8.8%Reduced
Walleye Trading LLC38,601$2.04M0.04%+3,917+11.3%Added
Algert Global LLC40,395$2.14M0.14%+40,395New
Aviva PLC42,262$2.24M0.01%−2,639−5.9%Reduced
Alliancebernstein L.P.43,988$2.33M0.00%−61−0.1%Reduced
Holocene Advisors, LP45,681$2.42M0.01%−27,978−38.0%Reduced
Victory Capital Management Inc47,906$2.43M0.00%+15,863+49.5%Added
Bank of America Corp47,602$2.52M0.00%+12,676+36.3%Added
Citadel Advisors LLC47,614$2.52M0.00%+38,484+421.5%Added
American Capital Management Inc50,494$2.67M0.08%−17,752−26.0%Reduced
Public Sector Pension Investment Board51,494$2.72M0.02%−4,610−8.2%Reduced
Cubist Systematic Strategies, LLC52,508$2.78M0.02%−6,833−11.5%Reduced
FMR LLC53,796$2.85M0.00%+53,469+16,351.4%Added
State of Wisconsin Investment Board54,550$2.89M0.01%+9,700+21.6%Added
Marshall Wace, LLP56,459$2.99M0.01%−163,418−74.3%Reduced
Thrivent Financial for Lutherans58,127$3.07M0.01%+70.0%Added
Credit Suisse AG61,233$3.24M0.00%+5,032+9.0%Added
AIMZ Investment Advisors, LLC63,298$3.35M1.38%−4,230−6.3%Reduced
Swiss National Bank65,300$3.45M0.00%+4,100+6.7%Added
Goldman Sachs Group Inc66,993$3.54M0.00%−37,968−36.2%Reduced
Scout Investments, Inc.67,159$3.55M0.06%−90−0.1%Reduced
Natixis69,964$3.70M0.01%+3,964+6.0%Added
Invesco Ltd.70,224$3.71M0.00%+11,189+19.0%Added
Lord, Abbett & Co. LLC74,477$3.94M0.01%+74,477New
Rhumbline Advisers78,901$4.17M0.01%+73+0.1%Added