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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 2021

Institutional positions in Proto Labs Inc as of Dec 31, 2021. 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
245
−15 vs. Q3 2021
Shares held
25.4M
−2.89M (−10.2%) vs. Q3 2021
Total value
$1.31B
−$579.6M (−30.7%) vs. Q3 2021
New holders
47
81 more added
Sold out
62
86 more reduced

4 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 245 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 2021: $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, Q4 2021

Shares, value and share of portfolio for each institution holding Proto Labs Inc; share changes are against Q3 2021.

Institutions holding PRLB in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Natixis66,000$3.39M0.01%−4,119−5.9%Reduced
Scout Investments, Inc.67,249$3.45M0.05%−1,519−2.2%Reduced
AIMZ Investment Advisors, LLC67,528$3.47M1.35%+67,528New
American Capital Management Inc68,246$3.50M0.09%−22,978−25.2%Reduced
Holocene Advisors, LP73,659$3.78M0.02%+16,709+29.3%Added
SG Americas Securities, LLC74,559$3.83M0.03%+40,092+116.3%Added
Rhumbline Advisers78,828$4.05M0.00%+4,101+5.5%Added
Legal & General Group Plc81,892$4.21M0.00%+1,903+2.4%Added
Parametric Portfolio Associates LLC82,727$4.25M0.00%+15,723+23.5%Added
Capital Investment Services of America, Inc.83,440$4.29M0.39%−27,001−24.4%Reduced
Gagnon Securities LLC98,639$5.07M0.76%+39,914+68.0%Added
Goldman Sachs Group Inc104,961$5.39M0.00%−352,659−77.1%Reduced
Mairs & Power Inc113,411$5.82M0.05%−70,187−38.2%Reduced
First Trust Advisors LP124,536$6.39M0.01%+66,707+115.4%Added
Hotchkis & Wiley Capital Management LLC128,350$6.59M0.02%+128,350New
Millennium Management LLC156,939$8.06M0.01%+32,847+26.5%Added
Ameriprise Financial Inc164,776$8.46M0.00%+15,300+10.2%Added
Nuveen Asset Management, LLC176,186$9.05M0.00%+45,610+34.9%Added
Principal Financial Group Inc183,575$9.43M0.01%−5,640−3.0%Reduced
Renaissance Technologies LLC202,300$10.4M0.01%+70,000+52.9%Added
New York State Common Retirement Fund204,691$10.5M0.01%−19,232−8.6%Reduced
Marshall Wace, LLP219,877$11.3M0.02%+140,297+176.3%Added
Charles Schwab Investment Management Inc239,350$12.3M0.00%+15,804+7.1%Added
Voloridge Investment Management, LLC250,811$12.9M0.07%+149,351+147.2%Added
Bank of New York Mellon Corp254,033$13.0M0.00%−49,659−16.4%Reduced
Federated Hermes, Inc.282,636$14.5M0.03%+282,636New
D. E. Shaw & Co., Inc.313,859$16.1M0.02%+38,020+13.8%Added
Dimensional Fund Advisors LP317,556$16.3M0.00%+2,210+0.7%Added
Northern Trust Corp334,679$17.2M0.00%−100,606−23.1%Reduced
No Street GP LP375,000$19.3M3.11%+375,000New
Assenagon Asset Management S.A.425,172$21.8M0.08%+328,112+338.1%Added
Norges Bank426,011$21.9M0.00%+141,568+49.8%Added
Riverbridge Partners LLC436,223$22.4M0.22%−219,722−33.5%Reduced
Two Sigma Advisers, LP470,900$24.2M0.06%+176,700+60.1%Added
Two Sigma Investments, LP486,654$25.0M0.06%+83,190+20.6%Added
Geode Capital Management, LLC515,971$26.5M0.00%+53,216+11.5%Added
Morgan Stanley642,015$33.0M0.00%+150,637+30.7%Added
ARK Investment Management LLCSuperinvestorARK Invest716,647$36.8M0.11%−1,902,676−72.6%Reduced
Sumitomo Mitsui Trust Holdings, Inc.911,615$46.8M0.03%−1,046,414−53.4%Reduced
Nikko Asset Management Americas, Inc.911,615$47.6M0.25%−1,046,414−53.4%Reduced
State Street Corp998,015$51.2M0.00%+81,223+8.9%Added
Brown Capital Management LLC1,739,629$89.3M0.74%−34,258−1.9%Reduced
Disciplined Growth Investors Inc1,791,933$92.0M1.85%+609,720+51.6%Added
Vanguard Group Inc2,710,755$139.2M0.00%−201,771−6.9%Reduced
BlackRock Inc.4,966,091$255.0M0.01%+381,223+8.3%Added
TimesSquare Capital Management, LLC0$00.00%−575,645−100.0%Sold out
Granite Investment Partners, LLC0$00.00%−274,461−100.0%Sold out
Granahan Investment Management Inc0$00.00%−46,611−100.0%Sold out
State of New Jersey Common Pension Fund D0$00.00%−37,910−100.0%Sold out
Man Group plc0$00.00%−24,058−100.0%Sold out
Storebrand Asset Management AS0$00.00%−24,036−100.0%Sold out
Stifel Financial Corp0$00.00%−23,383−100.0%Sold out
HRT Financial LP0$00.00%−23,348−100.0%Sold out
M&G Investment Management Ltd0$00.00%−20,824−100.0%Sold out
Bender Robert & Associates0$00.00%−20,385−100.0%Sold out
Aigen Investment Management, LP0$00.00%−13,704−100.0%Sold out
Quantitative Investment Management, LLC0$00.00%−12,588−100.0%Sold out
Wedbush Securities Inc0$00.00%−8,779−100.0%Sold out
FDx Advisors, Inc.0$00.00%−7,721−100.0%Sold out
Cresset Asset Management, LLC0$00.00%−7,649−100.0%Sold out
Janney Montgomery Scott LLC0$00.00%−7,113−100.0%Sold out
Exencial Wealth Advisors, LLC0$00.00%−7,020−100.0%Sold out
HBK Investments L P0$00.00%−6,262−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−5,940−100.0%Sold out
Green Alpha Advisors, LLC0$00.00%−5,932−100.0%Sold out
American Portfolios Advisors0$00.00%−5,750−100.0%Sold out
Slow Capital, Inc.0$00.00%−5,735−100.0%Sold out
Raymond James Financial Services Advisors, Inc.0$00.00%−5,456−100.0%Sold out
Pathstone Family Office, LLC0$00.00%−5,389−100.0%Sold out
Truist Financial Corp0$00.00%−4,895−100.0%Sold out
Centiva Capital, LP0$00.00%−4,687−100.0%Sold out
HighTower Advisors, LLC0$00.00%−4,440−100.0%Sold out
Crossmark Global Holdings, Inc.0$00.00%−4,110−100.0%Sold out
Foundations Investment Advisors, LLC0$00.00%−4,217−100.0%Sold out
Bell Bank0$00.00%−4,059−100.0%Sold out
XTX Topco Ltd0$00.00%−3,883−100.0%Sold out
Capula Management Ltd0$00.00%−3,803−100.0%Sold out
Icon Wealth Partners, LLC0$00.00%−3,735−100.0%Sold out
Voya Financial Advisors, Inc.0$00.00%−3,546−100.0%Sold out
Change Path, LLC0$00.00%−3,525−100.0%Sold out
Buckhead Capital Management LLC0$00.00%−3,455−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−3,298−100.0%Sold out
Formidable Asset Management, LLC0$00.00%−3,017−100.0%Sold out
Maverick Capital LtdSuperinvestorMaverick Capital0$00.00%−2,536−100.0%Sold out
Capital Advisory Group Advisory Services, LLC0$00.00%−2,106−100.0%Sold out
Cutler Group LP0$00.00%−1,160−100.0%Sold out
Arkadios Wealth Advisors0$00.00%−995−100.0%Sold out
Group One Trading, L.P.0$00.00%−535−100.0%Sold out
TD Private Client Wealth LLC0$00.00%−379−100.0%Sold out
Brewin Dolphin Ltd0$00.00%−375−100.0%Sold out
KBC Group NV0$00.00%−365−100.0%Sold out
Resolute Partners Group0$00.00%−358−100.0%Sold out
Harding Loevner LP0$00.00%−321−100.0%Sold out
Blume Capital Management, Inc.0$00.00%−300−100.0%Sold out
Cullen/Frost Bankers, Inc.0$00.00%−273−100.0%Sold out
Benjamin Edwards Inc0$00.00%−264−100.0%Sold out
RPG Investment Advisory, LLC0$00.00%−100−100.0%Sold out
Rockefeller Capital Management L.P.0$00.00%−80−100.0%Sold out
Global Retirement Partners, LLC0$00.00%−78−100.0%Sold out
Activest Wealth Management0$00.00%−74−100.0%Sold out