Notable Holders of PROTO LABS, Inc. (PRLB)
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* Does Not Fully Represent All Holders
| Fund | Title | Shares | % Owned | Source |
|---|---|---|---|---|
| VANGUARD GROUP INC | COM | 2,960,794 | 11.56% | 13F |
| BlackRock Fund Advisors | COM | 1,880,371 | 7.34% | 13F |
| DISCIPLINED GROWTH INVESTORS INC /MN | CS | 1,764,397 | 6.89% | 13F |
| JANUS CAPITAL MANAGEMENT LLC | COM | 1,278,625 | 4.99% | 13F |
| STATE STREET CORP | COM | 1,088,206 | 4.25% | 13F |
| DIMENSIONAL FUND ADVISORS LP | COM | 846,076 | 3.30% | 13F |
| BlackRock Institutional Trust Company, N.A. | COM | 660,855 | 2.58% | 13F |
| Apex Capital Management | COM | 562,997 | 2.20% | 13F |
| GEODE CAPITAL MANAGEMENT LLC | COM | 520,583 | 2.03% | 13F |
| SCHRODER INVESTMENT MANAGEMENT GROUP | COM | 503,933 | 1.97% | 13F |
| BROWN CAPITAL MANAGEMENT LLC | COM | 467,368 | 1.82% | 13F |
| Assenagon Asset Management S.A. | COM | 457,490 | 1.79% | 13F |
| SCHWAB CHARLES INVESTMENT MANAGEMENT INC | COM | 366,824 | 1.43% | 13F |
| FIRST TRUST ADVISORS LP | COM | 361,366 | 1.41% | 13F |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | COM | 321,240 | 1.25% | 13F |
| JACOBS LEVY EQUITY MANAGEMENT INC | COM | 309,767 | 1.21% | 13F |
| FIDUCIARY MANAGEMENT ASSOCIATES LLC | COM | 296,457 | 1.16% | 13F |
| D. E. Shaw & Co., INC. | COM | 289,846 | 1.13% | 13F |
| NORTHERN TRUST CORP | COM | 256,268 | 1.00% | 13F |
| MANAGED ACCOUNT ADVISORS LLC | COM | 239,895 | 0.94% | 13F |
| ARK Investment Management LLC | Common Stock | 225,049 | 0.88% | 13F |
| Nuveen Asset Management, LLC | COM | 221,529 | 0.86% | 13F |
| MILLENNIUM MANAGEMENT LLC | COM | 216,127 | 0.84% | 13F |
| RENAISSANCE TECHNOLOGIES LLC | COM | 201,916 | 0.79% | 13F |
| Ark Investment Management LLC | Common Stock | 196,914 | 0.77% | 13F |
| Fidelity Investments | COM | 193,862 | 0.76% | 13F |
| PRUDENTIAL FINANCIAL INC | COM | 182,826 | 0.71% | 13F |
| UBS Group AG | COM | 175,416 | 0.68% | 13F |
| RUSSELL FRANK CO/ | Common Stocks | 172,810 | 0.67% | 13F |
| Bank of New York Mellon CORP | COM | 164,255 | 0.64% | 13F |
| PANAGORA ASSET MANAGEMENT INC | COM | 162,597 | 0.63% | 13F |
| Goldman Sachs Asset Management, L.P. | CMN | 160,604 | 0.63% | 13F |
| TWO SIGMA ADVISERS, LLC | COM | 158,600 | 0.62% | 13F |
| NEW YORK STATE COMMON RETIREMENT FUND | Common Stock | 144,515 | 0.56% | 13F |
| PRINCIPAL FINANCIAL GROUP INC | COM | 136,670 | 0.53% | 13F |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | COM | 128,922 | 0.50% | 13F |
| BlackRock Investment Management, LLC | COM | 124,837 | 0.49% | 13F |
| TAMRO Capital Partners LLC | COM | 119,764 | 0.47% | 13F |
| PARAMETRIC PORTFOLIO ASSOCIATES | Common Stock | 118,558 | 0.46% | 13F |
| AQR CAPITAL MANAGEMENT LLC | COM | 115,897 | 0.45% | 13F |
| NORDEA INVESTMENT MANAGEMENT AB | COM | 110,101 | 0.43% | 13F |
| Invesco Ltd. | COM | 107,698 | 0.42% | 13F |
| JUPITER ASSET MANAGEMENT LTD | COM | 107,015 | 0.42% | 13F |
| WEATHERBIE M A & CO INC/MA | COM | 101,494 | 0.40% | 13F |
| FLOOD GAMBLE ASSOCIATES INC | COMMON | 96,010 | 0.37% | 13F |
| BANK OF AMERICA CORP /DE/ | COM | 93,329 | 0.36% | 13F |
| BRIDGEWAY CAPITAL MANAGEMENT INC | COM | 91,527 | 0.36% | 13F |
| ALGERT COLDIRON INVESTORS LLC | COM | 91,075 | 0.36% | 13F |
| S Squared Technology, LLC | COM | 90,795 | 0.35% | 13F |
| TWO SIGMA INVESTMENTS LLC | COM | 90,629 | 0.35% | 13F |
| RHUMBLINE ADVISERS | COM | 89,380 | 0.35% | 13F |
| GAGNON SECURITIES LLC | COM | 88,694 | 0.35% | 13F |
| LEGAL & GENERAL GROUP PLC | COM | 76,843 | 0.30% | 13F |
| Placemark Investments, Inc. | COM | 68,807 | 0.27% | 13F |
| ARROWSTREET CAPITAL LIMITED PARTNERSHIP | COM | 59,704 | 0.23% | 13F |
| Russell Investments Group, Ltd. | Common Stock | 57,382 | 0.22% | 13F |
| Swiss National Bank | COM | 57,100 | 0.22% | 13F |
| TEACHERS ADVISORS INC | CS | 56,044 | 0.22% | 13F |
| CREDIT SUISSE AG/ | COM | 55,056 | 0.21% | 13F |
| TIAA CREF INVESTMENT MANAGEMENT LLC | CS | 52,236 | 0.20% | 13F |
| CARILLON TOWER ADVISERS, INC. | COM | 49,659 | 0.19% | 13F |
| AMERIPRISE FINANCIAL INC | COM | 48,717 | 0.19% | 13F |
| BNP PARIBAS ARBITRAGE, SA | Equity | 48,003 | 0.19% | 13F |
| BlackRock Group LTD | COM | 47,931 | 0.19% | 13F |
| AIMZ Investment Advisors, LLC | COM | 47,858 | 0.19% | 13F |
| Thrax Management, LLC (PUT) | COM | 47,000 | 0.18% | 13F |
| Meros Investment Management, LP | COM | 46,113 | 0.18% | 13F |
| Engineers Gate Manager LP | COM | 45,125 | 0.18% | 13F |
| STATE OF WISCONSIN INVESTMENT BOARD | COM | 43,379 | 0.17% | 13F |
| GSA CAPITAL PARTNERS LLP | COM | 42,820 | 0.17% | 13F |
| ExodusPoint Capital Management, LP | COM | 41,283 | 0.16% | 13F |
| UBS AG | COM | 40,167 | 0.16% | 13F |
| BARCLAYS PLC | COM | 38,149 | 0.15% | 13F |
| Empowered Funds, LLC | COM | 36,727 | 0.14% | 13F |
| EA Series Trust | COM | 36,727 | 0.14% | 13F |
| PEAK6 Investments, L.P. (PUT) | COM | 36,000 | 0.14% | 13F |
| Toroso Investments, LLC | COM | 34,704 | 0.14% | 13F |
| Qube Research & Technologies Ltd | COM | 34,060 | 0.13% | 13F |
| FRANKLIN RESOURCES INC | COM | 32,937 | 0.13% | 13F |
| PUBLIC SECTOR PENSION INVESTMENT BOARD | COM | 32,253 | 0.13% | 13F |
| HRT FINANCIAL LLC | COM | 31,997 | 0.12% | 13F |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | COMMON STOCK | 31,829 | 0.12% | 13F |
| ALPS ADVISORS INC | COM | 31,486 | 0.12% | 13F |
| FEDERATED INVESTORS INC /PA/ | COM | 30,748 | 0.12% | 13F |
| WELLS FARGO & CO/MN | COM | 29,974 | 0.12% | 13F |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | COM | 29,619 | 0.12% | 13F |
| PRICE T ROWE ASSOCIATES INC /MD/ | COMM STK | 28,034 | 0.11% | 13F |
| UBS GLOBAL ASSET MANAGEMENT AMERICAS INC | EQUITY US CM | 26,226 | 0.10% | 13F |
| PEAK6 Investments LLC (PUT) | COM | 26,100 | 0.10% | 13F |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | COM | 25,306 | 0.10% | 13F |
| ING INVESTMENT MANAGEMENT LLC | COM | 25,256 | 0.10% | 13F |
| THRIVENT FINANCIAL FOR LUTHERANS | COM | 25,067 | 0.10% | 13F |
| State of Tennessee, Treasury Department | COMMON STOCK | 23,601 | 0.09% | 13F |
| TEXAS PERMANENT SCHOOL FUND | COM | 22,899 | 0.09% | 13F |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | COM | 22,743 | 0.09% | 13F |
| GABELLI FUNDS LLC | EQUITY | 22,361 | 0.09% | 13F |
| GREAT WEST LIFE ASSURANCE CO /CAN/ | COM | 21,915 | 0.09% | 13F |
| Walleye Trading Advisors, LLC | COM | 21,850 | 0.09% | 13F |
| ALLIANCEBERNSTEIN L.P. | COM | 20,740 | 0.08% | 13F |
| SG Americas Securities, LLC | COM | 19,461 | 0.08% | 13F |
| ENVESTNET ASSET MANAGEMENT INC | COM | 19,320 | 0.08% | 13F |
| STRS OHIO | COM | 19,200 | 0.07% | 13F |
| CAPTRUST FINANCIAL ADVISORS | Stock | 18,992 | 0.07% | 13F |
| Jump Financial, LLC | Common Stock | 17,991 | 0.07% | 13F |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | COM | 17,670 | 0.07% | 13F |
| Alaska Retirement Management Board | COM | 17,241 | 0.07% | 13F |
| ROYAL BANK OF CANADA \ | COM | 16,627 | 0.06% | 13F |
| CITIGROUP INC | COM | 15,313 | 0.06% | 13F |
| GABELLI SECURITIES INC | EQUITY | 14,500 | 0.06% | 13F |
| Amundi | COM | 14,416 | 0.06% | 13F |
| MetLife Investment Advisors, LLC | COM | 14,038 | 0.05% | 13F |
| YOUSIF CAPITAL MANAGEMENT, LLC | COM | 13,884 | 0.05% | 13F |
| Louisiana State Employees Retirement System | COM | 13,800 | 0.05% | 13F |
| DEUTSCHE BANK AG\ | COM | 13,723 | 0.05% | 13F |
| LOS ANGELES CAPITAL MANAGEMENT & EQUITY RESEARCH INC | COM | 13,589 | 0.05% | 13F |
| BLACKROCK ADVISORS LLC | COM | 13,049 | 0.05% | 13F |
| Amalgamated Financial Corp. | COM | 12,599 | 0.05% | 13F |
| NEW YORK LIFE INVESTMENT MANAGEMENT LLC | COM | 12,432 | 0.05% | 13F |
| Marks Group Wealth Management, Inc | COM | 12,352 | 0.05% | 13F |
| HENDERSON GROUP PLC | COM | 12,228 | 0.05% | 13F |
| Mirae Asset Global Investments Co., Ltd. | COM | 11,886 | 0.05% | 13F |
| Connor, Clark & Lunn Investment Management Ltd. | COM | 11,778 | 0.05% | 13F |
| OTTER CREEK MANAGEMENT INC (PUT) | COM | 11,200 | 0.04% | 13F |
| Emerald Acquisition Ltd. | Common Stocks | 10,957 | 0.04% | 13F |
| AMALGAMATED BANK | COM | 10,539 | 0.04% | 13F |
| MANUFACTURERES LIFE INSURANCE CO | COM | 10,496 | 0.04% | 13F |
| Maryland State Retirement & Pension System | COM | 10,209 | 0.04% | 13F |
| Centiva Capital, LP | COM | 9,686 | 0.04% | 13F |
| CWM Advisors, LLC | COM | 8,957 | 0.03% | 13F |
| Aperio Group, LLC | COM | 8,956 | 0.03% | 13F |
| DENVER INVESTMENT ADVISORS LLC | COMMON | 8,657 | 0.03% | 13F |
| GROUP ONE TRADING, L.P. (CALL) | COM | 8,600 | 0.03% | 13F |
| TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY | COM | 8,537 | 0.03% | 13F |
| LPL Financial LLC | COM | 8,159 | 0.03% | 13F |
| OREGON PUBLIC EMPLOYEES RETIREMENT FUND | COM | 8,157 | 0.03% | 13F |
| Petrus Trust Company, LTA | COM | 7,958 | 0.03% | 13F |
| PRIVATE CAPITAL MANAGEMENT INC | COM | 7,750 | 0.03% | 13F |
| Gotham Asset Management, LLC | COM | 7,574 | 0.03% | 13F |
| Man Group plc | COM | 7,556 | 0.03% | 13F |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | COM | 7,489 | 0.03% | 13F |
| Arizona State Retirement System | COM | 7,360 | 0.03% | 13F |
| SPRINGBOK CAPITAL MANAGEMENT, LLC | COM | 7,104 | 0.03% | 13F |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | COM | 7,000 | 0.03% | 13F |
| 1st Global Advisors, Inc. | COM | 6,932 | 0.03% | 13F |
| Keebeck Alpha, LP | COM | 6,879 | 0.03% | 13F |
| HSBC HOLDINGS PLC | COM | 6,741 | 0.03% | 13F |
| Point72 Middle East FZE | COM | 6,197 | 0.02% | 13F |
| Zurcher Kantonalbank (Zurich Cantonalbank) | COM | 5,279 | 0.02% | 13F |
| HighMark Wealth Management LLC | COM | 5,145 | 0.02% | 13F |
| COMERICA BANK | COM | 5,082 | 0.02% | 13F |
| Gs Investments, Inc. | COM | 5,000 | 0.02% | 13F |
| Quantbot Technologies LLC | COM | 4,800 | 0.02% | 13F |
| Elkfork Partners LLC | COM | 4,794 | 0.02% | 13F |
| RAYMOND JAMES FINANCIAL INC | COM | 4,651 | 0.02% | 13F |
| Independence Capital Asset Partners, LLC | COM | 4,491 | 0.02% | 13F |
| CAPSTONE ASSET MANAGEMENT CO | COM | 4,363 | 0.02% | 13F |
| Xact Kapitalforvaltning AB | COM | 4,258 | 0.02% | 13F |
| NATIONAL PENN INVESTORS TRUST CO /PA | Domestic Common | 4,217 | 0.02% | 13F |
| Tradition Wealth Management, LLC | COMMON STOCK | 4,037 | 0.02% | 13F |
| BANK OF MONTREAL /CAN/ | COM | 3,984 | 0.02% | 13F |
| Glen Harbor Capital Management LLC | COM | 3,948 | 0.02% | 13F |
| Householder Group Estate & Retirement Specialist, LLC | Common Stock | 3,903 | 0.02% | 13F |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO | COM | 3,847 | 0.02% | 13F |
| Advisor Group, Inc. | COM | 3,552 | 0.01% | 13F |
| ETRADE Capital Management LLC | COM | 3,528 | 0.01% | 13F |
| SUFFOLK CAPITAL MANAGEMENT LLC | COM | 3,386 | 0.01% | 13F |
| Partnervest Advisory Services LLC | COM | 3,177 | 0.01% | 13F |
| Meadow Creek Investment Management LLC | COM | 3,102 | 0.01% | 13F |
| Eukles Asset Management | Common Stock | 3,069 | 0.01% | 13F |
