Skip to main content

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, Q2 2026

Institutional positions in Proto Labs Inc as of Jun 30, 2026. 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
277
+18 vs. Q1 2026
Shares held
22.5M
+384.1K (+1.7%) vs. Q1 2026
Total value
$1.83B
+$570.5M (+45.3%) vs. Q1 2026
New holders
43
101 more added
Sold out
25
91 more reduced

4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 277 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 heldQ2 2026: $1.83B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Proto Labs Inc; share changes are against Q1 2026.

Institutions holding PRLB in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Bailard, Inc.12,881$1.05M0.02%−1,100−7.9%Reduced
Illinois Municipal Retirement Fund12,869$1.05M0.01%−20.0%Reduced
Two Sigma Investments, LP12,734$1.04M0.00%+534+4.4%Added
CI Private Wealth, LLC12,427$1.01M0.00%+1,723+16.1%Added
Creative Planning12,369$1.01M0.00%+860+7.5%Added
STRS Ohio12,300$1.00M0.00%−900−6.8%Reduced
Assenagon Asset Management S.A.12,238$997.5K0.00%−34,538−73.8%Reduced
Jupiter Topco LLC12,216$996.4K0.00%+12,216New
Quadrature Capital Ltd11,990$977.3K0.01%+7,379+160.0%Added
Diversified Trust Co11,795$961.4K0.02%00.0%Unchanged
New York State Teachers Retirement System11,683$952.0K0.00%+147+1.3%Added
State of Wisconsin Investment Board11,225$915.0K0.00%+385+3.6%Added
Round Rock Advisors, LLC11,219$914.5K0.12%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.11,114$905.9K0.00%−42−0.4%Reduced
Aquatic Capital Management LLC11,017$898.0K0.03%+8,057+272.2%Added
Barclays PLC10,871$886.1K0.00%+5,602+106.3%Added
Toroso Investments, LLC10,865$885.6K0.00%−4,693−30.2%Reduced
Jefferies Financial Group Inc.10,710$873.0K0.01%+10,710New
Gsa Capital Partners LLP10,603$864.0K0.05%−36,357−77.4%Reduced
Pacer Advisors, Inc.10,441$851.0K0.00%+4,788+84.7%Added
Louisiana State Employees Retirement System10,400$847.7K0.01%−100−1.0%Reduced
Alps Advisors Inc10,360$844.4K0.00%−3,800−26.8%Reduced
State Board of Administration of Florida Retirement System10,302$839.7K0.00%+2,743+36.3%Added
RBF Capital, LLC10,000$815.1K0.03%00.0%Unchanged
Militia Capital Management LLC10,000$815.1K0.15%+10,000New
Vanguard Global Advisers, LLC9,930$809.4K0.00%−509−4.9%Reduced
Gotham Asset Management, LLC9,864$804.0K0.00%−1,109−10.1%Reduced
Truvestments Capital LLC9,854$803.2K0.12%+155+1.6%Added
Canada Pension Plan Investment Board9,500$774.3K0.00%−200−2.1%Reduced
New York State Common Retirement Fund9,469$771.8K0.00%+1,581+20.0%Added
Manufacturers Life Insurance Company, The9,335$760.9K0.00%−202−2.1%Reduced
State of Alaska, Department of Revenue9,155$745.0K0.01%−3,853−29.6%Reduced
Mercer Global Advisors Inc9,101$741.9K0.00%+2,135+30.6%Added
Dark Forest Capital Management LP8,490$692.0K0.04%−5,758−40.4%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)8,046$655.8K0.00%00.0%Unchanged
Perpetual Ltd8,006$652.6K0.01%+8,006New
Argos Wealth Advisors, LLC7,976$650.1K0.17%−197−2.4%Reduced
Allianz Asset Management GmbH7,523$613.2K0.00%−1,592−17.5%Reduced
Police & Firemen's Retirement System of New Jersey7,186$585.7K0.00%+562+8.5%Added
Lazard Asset Management LLC7,086$577.6K0.00%−92,247−92.9%Reduced
Gabelli & Co Investment Advisers, Inc.7,000$570.6K0.08%−7,500−51.7%Reduced
Jag Capital Management, LLC6,832$556.9K0.05%+6,832New
Arizona State Retirement System6,560$534.7K0.00%+57+0.9%Added
Amalgamated Bank6,399$522.0K0.00%−423−6.2%Reduced
Yousif Capital Management, LLC6,360$518.4K0.01%+10.0%Added
LPL Financial LLC6,205$505.8K0.00%+2,271+57.7%Added
Teachers Retirement System of the State of Kentucky5,920$483.0K0.00%−200−3.3%Reduced
CenterBook Partners LP5,880$479.3K0.02%+5,880New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys5,642$459.9K0.00%−214−3.7%Reduced
Guggenheim Capital LLC5,617$457.8K0.00%+5,617New
Janney Montgomery Scott LLC5,452$444.0K0.00%−1,781−24.6%Reduced
Oregon Public Employees Retirement Fund5,410$441.0K0.00%−47−0.9%Reduced
Vanguard Investments Australia, Ltd.5,397$439.9K0.00%00.0%Unchanged
Quadrant Capital Group LLC5,286$430.9K0.01%00.0%Unchanged
KLP Kapitalforvaltning AS5,100$415.7K0.00%−8,300−61.9%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH5,082$414.2K0.00%−558−9.9%Reduced
Angeles Wealth Management, LLC5,045$411.2K0.02%+555+12.4%Added
Fifth Third Bancorp5,040$410.8K0.00%−89−1.7%Reduced
Cornerstone Investment Partners, LLC4,997$407.3K0.01%−238−4.5%Reduced
Raymond James Financial Inc4,846$395.0K0.00%−28−0.6%Reduced
Turner Financial Group, Inc.4,843$394.7K0.39%+4,843New
Axxcess Wealth Management, LLC4,794$390.8K0.01%+4,794New
Bank of Montreal4,535$369.6K0.00%+319+7.6%Added
Auto-Owners Insurance Co4,500$366.8K0.01%00.0%Unchanged
Cerity Partners LLC4,181$340.8K0.00%−407−8.9%Reduced
NBC Securities, Inc.3,993$325.5K0.02%−13−0.3%Reduced
Public Employees Retirement Association of Colorado3,847$314.0K0.00%00.0%Unchanged
Ethic Inc.3,768$307.1K0.00%+3,768New
Victory Capital Management Inc3,730$304.0K0.00%+31+0.8%Added
Summit Global Investments3,574$291.0K0.02%−9,146−71.9%Reduced
Winton Group Ltd3,537$288.3K0.01%−4,027−53.2%Reduced
Maryland State Retirement & Pension System3,463$282.3K0.00%+3,463New
Susquehanna International Group, LLP3,446$280.9K0.00%−8,614−71.4%Reduced
ProShare Advisors LLC3,438$280.2K0.00%−264−7.1%Reduced
LSV Asset Management3,400$277.0K0.00%00.0%Unchanged
Cetera Investment Advisers3,305$269.4K0.00%+3,305New
Mangrove Partners3,136$255.6K0.02%+3,136New
Pictet Asset Management Holding SA3,135$255.5K0.00%−639−16.9%Reduced
Centiva Capital, LP3,111$253.6K0.01%−1,953−38.6%Reduced
Mariner, LLC3,010$245.3K0.00%−2,084−40.9%Reduced
Leonteq Securities AG3,000$244.5K0.01%−2,000−40.0%Reduced
Everence Capital Management Inc2,998$244.0K0.01%+2,998New
Evergreen Capital Management LLC2,980$242.9K0.00%+2,980New
Polymer Capital Management (US) LLC2,883$235.0K0.03%+2,883New
Prelude Capital Management, LLC2,846$232.0K0.02%−1,060−27.1%Reduced
Envestnet Asset Management Inc2,812$229.2K0.00%+2,812New
Mutual of America Capital Management LLC2,725$222.1K0.00%+2,725New
XTX Topco Ltd2,660$216.8K0.00%−13,213−83.2%Reduced
Nisa Investment Advisors, LLC2,517$205.2K0.00%+690+37.8%Added
Steward Partners Investment Advisory, LLC2,507$204.3K0.00%−2,493−49.9%Reduced
Massar Capital Management, LP2,469$201.2K0.07%+2,469New
Ameritas Investment Partners, Inc.2,190$178.5K0.00%+202+10.2%Added
The PNC Financial Services Group, Inc.1,970$160.6K0.00%+12+0.6%Added
Horizon Investments, LLC10,764$157.7K0.00%−1,347−11.1%Reduced
Advisor Group Holdings, Inc.1,907$155.4K0.00%+688+56.4%Added
Royal Bank of Canada1,907$155.0K0.00%−11,152−85.4%Reduced
Farther Finance Advisors, LLC1,619$131.6K0.00%+1,009+165.4%Added
Kemnay Advisory Services Inc.1,513$123.3K0.02%+1,513New
Mirae Asset Global Investments Co., Ltd.1,372$111.8K0.00%+1,372New
Jones Financial Companies LLLP1,288$103.9K0.00%+299+30.2%Added