13F

Stock

Proto Labs Inc

PRLB · held by 260 managers

Reported value

$1.24B

Holders

260

+47 new · −21 exited

Holders’ est. mark

$110.9M

Price effect on 197 books still in the name

Largest holder

$209.7M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.3.68M$209.7M$23.3MAdded$26.6M
DISCIPLINED GROWTH INVESTORS INC /MN2.5M$142.4M$16.1MAdded$7.14M
VANGUARD PORTFOLIO MANAGEMENT LLC1.54M$87.7MHeld
DIMENSIONAL FUND ADVISORS LP1.27M$72.5M$8.18MAdded$7.96M
State Street1.09M$62.3M$7MAdded$7.21M
VANGUARD CAPITAL MANAGEMENT LLC1.04M$59.3MHeld
AMERICAN CAPITAL MANAGEMENT INC627.7K$35.8M$4.04MAdded$3.85M
GEODE CAPITAL MANAGEMENT, LLC580.2K$33.1M$3.59MAdded$4.84M
Renaissance Technologies520.3K$29.7M$3.17MAdded$4.7M
Rubric Capital Management LP486.4K$27.7M$3.13MCut−$29.1M
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP463.8K$26.4M$2.96MAdded$3.14M
Fidelity422.4K$24.1M$785.1KAdded$17.9M
PRUDENTIAL FINANCIAL INC400.2K$22.8M$1.18MAdded$13.6M
Driehaus Capital Management LLC369.1K$21M$2.37MAdded$1.71M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC360.2K$20.5M$2.32MAdded$2.17M
Nuveen, LLC316.9K$18.1M$2.04MAdded$1.59M
S Squared Technology, LLC296.1K$16.9M$1.9MAdded$1.4M
MORGAN STANLEY293.6K$16.7M$1.89MAdded$1.28M
NORTHERN TRUST CORP267K$15.2M$1.65MAdded$2.26M
D. E. Shaw & Co., Inc.225.7K$12.9M$1.37MAdded$2.1M
NORDEA INVESTMENT MANAGEMENT AB214.4K$12M$1MAdded$487.7K
JUPITER ASSET MANAGEMENT LTD194.8K$11.1M$1.25MAdded$1.25M
PANAGORA ASSET MANAGEMENT INC174.7K$9.96M$1.12MAdded$1.08M
Hillsdale Investment Management Inc.174.4K$9.94M$1.08MAdded$1.43M
UBS Group AG168.8K$9.62M$1.09MAdded$747.8K
VANGUARD FIDUCIARY TRUST CO153.6K$8.76MHeld
Qube Research & Technologies Ltd148.6K$8.47M$96.1KAdded$7.72M
GOLDMAN SACHS GROUP INC140.9K$8.04M$906.3KCut−$88.4K
Bank of New York Mellon Corp139.9K$7.98M$899.7KAdded$744K
PRINCIPAL FINANCIAL GROUP INC133.6K$7.62M$859.1KAdded$704.5K
BANK OF AMERICA CORP /DE/129.1K$7.36M$600.1KAdded$2.64M
Connor, Clark & Lunn Investment Management Ltd.125.5K$7.16M$807KAdded$541.1K
RICE HALL JAMES & ASSOCIATES, LLC113.6K$6.48M$730.4KAdded$681.1K
GAGNON SECURITIES LLC110.9K$6.32M$713KAdded$679.7K
PUBLIC SECTOR PENSION INVESTMENT BOARD105.6K$6.02M$678.8KAdded$436.4K
LAZARD ASSET MANAGEMENT LLC99.3K$5.66M$485.9KAdded$1.84M
FIRST TRUST ADVISORS LP92.9K$5.3M$597.2KCut−$63.5K
Invesco Ltd.88.6K$5.05M$569.5KCut−$397.8K
JPMORGAN CHASE & CO87.6K$4.85M$419.5KCut−$1.15M
AMERICAN CENTURY COMPANIES INC78.8K$4.5M$507KAdded$491.6K
Trexquant Investment LP68.7K$3.92M$177.6KAdded$2.52M
MARSHALL WACE, LLP68.4K$3.9MNew
Informed Momentum Co LLC65.8K$3.75MNew
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC65.7K$3.75M$415.7KAdded$478.3K
RHUMBLINE ADVISERS65.1K$3.71M$416.1KAdded$438.9K
Polar Asset Management Partners Inc.60.4K$3.44M$388.2KCut−$777.1K
AMERIPRISE FINANCIAL INC58.5K$3.34M$313.4KAdded$873.4K
Legal & General Group Plc58.4K$3.33M$375.5KAdded$96K
JANE STREET GROUP, LLC57.4K$3.27M$368.8KCut−$2.32M
FRANKLIN RESOURCES INC57K$3.25M$211.8KAdded$1.58M
Icahn Capital55.1K$3.14M$329.6KAdded$549.5K
HUSSMAN STRATEGIC ADVISORS, INC.52.5K$2.99MNew
Archon Capital Management LLC48.5K$2.77MNew
ZACKS INVESTMENT MANAGEMENT47.6K$2.71M$41.3KAdded$2.39M
Swiss National Bank47.1K$2.69M$302.9KAdded$302.9K
Assenagon Asset Management S.A.46.8K$2.67M$178.4KAdded$1.26M
ARK Investment Management LLC45.7K$2.61M$293.9KCut−$264.6K
Citadel44.5K$2.54M$80.1KAdded$1.91M
Squarepoint Ops LLC41.3K$2.36MNew
INTECH INVESTMENT MANAGEMENT LLC39K$2.22M$64.3KAdded$1.72M
AIMZ Investment Advisors, LLC38.7K$2.21M$249KAdded$203.5K
POLEN CAPITAL MANAGEMENT LLC37.6K$2.14M$26.7KAdded$1.93M
Point72 Asset Management, L.P.32.4K$1.85M$208.3KCut−$172.1K
Integrated Quantitative Investments LLC31.5K$1.8MNew
FEDERATED HERMES, INC.31.4K$1.79M$197.7KAdded$233.2K
VOYA INVESTMENT MANAGEMENT LLC30.1K$1.72M$193.8KAdded$189.8K
DEUTSCHE BANK AG\30.1K$1.71M$178.5KAdded$309.8K
Bastion Asset Management Inc.28.3K$1.6MNew
Quantinno Capital Management LP27.7K$1.58M$89.6KAdded$875.4K
MILLENNIUM MANAGEMENT LLC25.8K$1.47M$166.1KCut−$3.66M
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM23K$1.31M$147.7KAdded$138.7K
BRIDGEWAY CAPITAL MANAGEMENT, LLC22K$1.25M$141.5KCut−$4.51M
GILDER GAGNON HOWE & CO LLC21.3K$1.21MNew
GABELLI FUNDS LLC21.1K$1.2M$135.9KAdded$135.9K
TEACHER RETIREMENT SYSTEM OF TEXAS20.9K$1.19M$134.5KCut−$39.5K
Quantbot Technologies LP20.8K$1.18MNew
Edgestream Partners, L.P.19K$1.08MNew
ALLIANCEBERNSTEIN L.P.20.7K$1.05M$0Held
State of Tennessee, Department of Treasury17.7K$1.01M$77.5KAdded$77.5K
XTX Topco Ltd15.9K$905.1KNew
CAPTRUST FINANCIAL ADVISORS15.8K$900.9K$101.6KAdded$99.1K
Tidal Investments LLC15.6K$887.1K$83.6KAdded$229.6K
HSBC HOLDINGS PLC15.4K$867.3K$74.7KAdded$173.6K
CITIGROUP INC15.2K$867.2K$97.8KAdded$92.5K
Campbell & CO Investment Adviser LLC15.2K$866K$97.7KCut−$1.23M
VANGUARD ASSET MANAGEMENT, Ltd14.7K$836KHeld
Engineers Gate Manager LP14.5K$826.8K$93.2KAdded$81.4K
GABELLI & Co INVESTMENT ADVISERS, INC.14.5K$826.8K$93.2KAdded$93.2K
DARK FOREST CAPITAL MANAGEMENT LP14.2K$812.4K$91.6KAdded$5.87K
ALPS ADVISORS INC14.2K$807.4K$91KCut−$88.7K
Amundi14.1K$803K$77.5KAdded$193.3K
BAILARD, INC.14K$797.2K$85.4KAdded$125.3K
Haven Private, LLC13.7K$782K$53.5KAdded$361.5K
MetLife Investment Management, LLC13.4K$764.7K$86.2KAdded$79.9K
KLP KAPITALFORVALTNING AS13.4K$764.1K$32.8KAdded$506.1K
STRS OHIO13.2K$752.7K$84.9KAdded$44.4K
ROYAL BANK OF CANADA13.1K$745K$83.7KCut−$97K
Illinois Municipal Retirement Fund12.9K$733.9K$80.8KAdded$97.9K
BNP PARIBAS FINANCIAL MARKETS12.6K$717.9K$52.2KAdded$307.4K
TWO SIGMA INVESTMENTS, LP12.2K$695.6KNew
JANUS HENDERSON GROUP PLC12.2K$692.9K$77.8KAdded$74.4K
Legato Capital Management LLC12.1K$690.7KNew
Horizon Investments, LLC12.1K$690.6K$76.4KAdded$89.3K
SUSQUEHANNA INTERNATIONAL GROUP, LLP12.1K$687.7KNew
Marks Group Wealth Management, Inc12.1K$687.2K$77.5KAdded$77.5K
DIVERSIFIED TRUST CO11.8K$672.5K$67.5KAdded$141.6K
WELLS FARGO & COMPANY/MN11.7K$668.4K$75.4KCut−$847.9K
Creative Planning11.5K$656.2K$59.1KAdded$191.1K
Round Rock Advisors LLC11.2K$639.7K$72.1KAdded$72.1K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.11.2K$636.1K$71.7KAdded$3.39K
Gotham Asset Management, LLC11K$625.7K$70.6KAdded$60.6K
STATE OF WISCONSIN INVESTMENT BOARD10.8K$618.1K$69.7KCut−$52.7K
SIMPLEX TRADING, LLC10.8K$614.6KNew
Corient Private Wealth LLC10.7K$610.3KNew
Louisiana State Employees Retirement System10.5K$598.7K$67.5KAdded$52.3K
Vanguard Global Advisers, LLC10.4K$595.2KHeld
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC10.3K$588.7KNew
RBF Capital, LLC10K$570.2K$64.3KAdded$64.3K
CANADA PENSION PLAN INVESTMENT BOARD9.7K$553.1K$62.4KCut−$89.4K
Truvestments Capital LLC9.7K$553K$62.4KCut−$8.82K
MANUFACTURERS LIFE INSURANCE COMPANY, THE9.54K$543.8K$61.3KAdded$40.8K
Allianz Asset Management GmbH9.12K$519.7K$58.6KAdded$58.6K
SEI INVESTMENTS CO8.82K$502.9KNew
Argos Wealth Advisors, LLC8.17K$466K$52.6KAdded$52.6K
Zurcher Kantonalbank (Zurich Cantonalbank)8.05K$458.8K$35.1KAdded$182.8K
NEW YORK STATE COMMON RETIREMENT FUND7.89K$449.8K$48.3KAdded$69.4K
Bridgewater7.69K$438.5KNew
WINTON GROUP Ltd7.56K$431.3KNew
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM7.56K$431K$48.6KAdded$48.6K
MERCER GLOBAL ADVISORS INC /ADV6.97K$397.2K$37.9KAdded$99.2K
INDEPENDENT FINANCIAL GROUP, LLC6.92K$394.3KNew
IEQ CAPITAL, LLC6.79K$387.1K$39.6KAdded$75.7K
Police & Firemen's Retirement System of New Jersey6.62K$377.7K$38.6KAdded$73.8K
ARIZONA STATE RETIREMENT SYSTEM6.5K$370.8K$41.8KAdded$34.2K
YOUSIF CAPITAL MANAGEMENT, LLC6.36K$362.6K$25.4KAdded$18.4K
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS5.86K$333.9K$37.7KAdded$37.4K
Russell Investments Group, Ltd.5.7K$325.2K$14.6KAdded$210.4K
Universal- Beteiligungs- und Servicegesellschaft mbH5.64K$321.6KNew
OREGON PUBLIC EMPLOYEES RETIREMENT FUND5.46K$311.2K$35.1KAdded$35.1K
Vanguard Investments Australia, Ltd.5.4K$307.7KHeld
QUADRANT CAPITAL GROUP LLC5.29K$301.4K$34KAdded$34K
BARCLAYS PLC5.27K$300.4K$33.9KCut−$1.63M
Cornerstone Investment Partners, LLC5.24K$298.5K$26KAdded$93.9K
FIFTH THIRD BANCORP5.13K$292.5K$907Added$285.3K
Man Group plc5.11K$291.6KNew
Mariner, LLC5.09K$290.4K$28.6KAdded$61K
Centiva Capital, LP5.06K$288.7KNew
Leonteq Securities AG5K$285.1K$32.1KAdded$32.1K
Steward Partners Investment Advisory, LLC5K$285.1K$32.1KCut−$119.6K
RAYMOND JAMES FINANCIAL INC4.87K$277.9K$29.9KAdded$42.6K
Schonfeld Strategic Advisors LLC4.79K$273.4KNew
Quadrature Capital Ltd4.61K$262.9KNew
Cerity Partners LLC4.59K$261.6K$27.1KAdded$48.1K
Auto-Owners Insurance Co4.5K$256.6K$28.9KAdded$28.9K
ANGELES WEALTH MANAGEMENT, LLC4.49K$256KNew
Dynamic Technology Lab Private Ltd4.38K$249.7KNew
MIRABELLA FINANCIAL SERVICES LLP4.3K$245KNew
BANK OF MONTREAL /CAN/4.22K$240.4K$25.6KAdded$38.8K
NBC SECURITIES, INC.4.01K$228.4K$5.83KAdded$182.6K
LPL Financial LLC3.93K$224.3KNew
PRELUDE CAPITAL MANAGEMENT, LLC3.91K$222.7K$25.1KCut−$47.5K
Pictet Asset Management Holding SA3.77K$215.2KNew
ProShare Advisors LLC3.7K$211.1K$23.8KCut−$22.9K
VICTORY CAPITAL MANAGEMENT INC3.7K$210.9KNew
HighTower Advisors, LLC3.61K$205.9KNew
CWM, LLC3.49K$198.8K$183.5KAdded$198.6K
State of Wyoming3.44K$195.9K$22.1KCut−$171.1K
Aquatic Capital Management LLC2.96K$168.8KNew
Ameritas Investment Partners, Inc.1.99K$113.4K$12.8KAdded$12.8K
PNC Financial Services Group, Inc.1.96K$111.6K$12.5KAdded$13.3K
NISA INVESTMENT ADVISORS, LLC1.83K$104.2K$11.5KAdded$13.8K
OSAIC HOLDINGS, INC.1.22K$69.5K$7.84KAdded$4.65K
GAMMA Investing LLC1.18K$67.1K$7.56KAdded$7.62K
JONES FINANCIAL COMPANIES LLLP989$55.4K$4.3KAdded$15.5K
USA FINANCIAL FORMULAS917$52.3KNew
Tower Research Capital LLC (TRC)911$51.9K$5.86KCut−$106.9K
Sterling Capital Management LLC789$45K$5.07KCut−$24.4K
Rockefeller Capital Management L.P.668$38.1K$1.55KAdded$25.9K
Farther Finance Advisors, LLC610$35.5K$4.52KAdded$5.11K
Pinnacle Wealth Planning Services, Inc.547$31.2K$3.27KAdded$5.49K
BNP PARIBAS ASSET MANAGEMENT Holding S.A.530$30.2K$23.5KAdded$30.2K
GROUP ONE TRADING LLC500$28.5K$3.21KAdded$3.21K
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO496$28.3K$3.19KAdded$1.57K
EverSource Wealth Advisors, LLC471$26.9K$2.9KAdded$4.04K
Versant Capital Management, Inc448$25.5K$2.78KAdded$3.64K
Cullen/Frost Bankers, Inc.430$24.5KNew
Advisory Services Network, LLC367$20.9KNew
US BANCORP \DE\362$20.6K$2.1KAdded$4.1K
TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU SA350$20K$2.25KAdded$2.25K
HighMark Wealth Management LLC345$19.7K$2.22KAdded$2.22K
Aventura Private Wealth, LLC200$11.4K$1.29KAdded$1.29K
Hoese & Co LLP200$11.4K$1.29KAdded$1.29K
NATIONAL BANK OF CANADA /FI/196$11.2KNew
UMB Bank, n.a.189$10.8K$1.21KAdded$1.22K
SIGNATUREFD, LLC136$7.75K$875Added$875
LOS ANGELES CAPITAL MANAGEMENT LLC130$7.41K$519Added$519
Parkside Financial Bank & Trust128$7.3K$823Added$823
TWIN PEAKS WEALTH ADVISORS, LLC110$6.27KNew
Allworth Financial LP102$5.82K$231Added$4K
Towne Trust Company, N.A100$5.7K$643Added$643
Salomon & Ludwin, LLC84$4.85K$402Added$402
HARBOUR INVESTMENTS, INC.85$4.85KNew
TD Waterhouse Canada Inc.75$4.36KNew
Private Wealth Management Group, LLC76$4.33K$489Added$489
Rachor Investment Advisory Services, LLC74$4.22K$444Added$729
BARROW HANLEY MEWHINNEY & STRAUSS LLC67$3.82KNew
Keating Financial Advisory Services, Inc.66$3.76KNew
Smartleaf Asset Management LLC63$3.49K$236Cut−$13.4K
Bank of Jackson Hole Trust59$3.36K$379Added$379
ROTHSCHILD INVESTMENT LLC57$3.25K$321Added$720
Ares Financial Consulting, LLC53$3.08K$400Added$400
Sound Income Strategies, LLC51$2.96K$172Added$172
GSA CAPITAL PARTNERS LLP47K$2.68KNew
ZIONS BANCORPORATION, NATIONAL ASSOCIATION /UT/41$2.34KNew
CBIZ Investment Advisory Services, LLC35$2K$225Added$225
SBI Securities Co., Ltd.34$1.94K$219Cut−$15.7K
PRICE T ROWE ASSOCIATES INC /MD/33.2K$1.89K$180Added$473
Essential Partners LLC32$1.82K$193Added$307
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO31$1.77K$64Added$1.26K
Parallel Advisors, LLC29$1.65K$64Added$1.15K
Quarry LP29$1.65K$187Cut−$15.2K
Physician Wealth Advisors, Inc.29$1.65K$186Added$186
Arax Advisory Partners25$1.43K$161Added$161
ACADIAN ASSET MANAGEMENT LLC24.5K$1.39K$154Cut−$97
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC23$1.34K$173Added$173
Manchester Capital Management LLC22$1.25K$142Added$142
CANADA LIFE ASSURANCE Co19.8K$1.13K$129Added$129
True Wealth Design, LLC19$1.08K$122Added$122
HRT FINANCIAL LP18.1K$1.03KNew
Blue Trust, Inc.18$1.03K$115Added$115
ORG Wealth Partners, LLC18$1.03K$116Added$116
Thrivent Financial for Lutherans15.8K$901$102Added$78
FARMERS & MERCHANTS INVESTMENTS INC15$855$96Cut−$5
State of Alaska, Department of Revenue13K$741$84Added$70
Summit Global Investments12.7K$725$60Added$252
MAI Capital Management12$685$39Added$381
NEW YORK STATE TEACHERS RETIREMENT SYSTEM11.5K$658$75Cut−$530
MassMutual Private Wealth & Trust, FSB9$513$58Added$58
Jackson Creek Investment Advisors LLC8.39K$478$54Added$53
Torren Management, LLC8$456$51Cut−$455
Janney Montgomery Scott LLC7.23K$412$46Added$15
Annis Gardner Whiting Capital Advisors, LLC7$400$45Added$45
IFP Advisors, Inc7$399$45Added$45
Root Financial Partners, LLC7$399New
AMALGAMATED BANK6.82K$389$44Added$38
SG Americas Securities, LLC6.43K$367$42Cut−$1.16K
ALGERT GLOBAL LLC6.33K$361$41Added$41
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY6.12K$349$40Added$40
Sunbelt Securities, Inc.6$342$38Added$38
GILPIN WEALTH MANAGEMENT, LLC5$286$12Added$184

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.