Proto LabsPRLB
13F holders, Q4 2025 (December 31)234holders +21
38new positions
22sold out
8famous investors
$50.60avg. 13F price*
At the end of Q4 2025, 234 institutions reported holding Proto Labs Inc. (PRLB) in their 13F filings, up 21 from Q3 2025. 38 opened new positions and 22 sold out. The largest holders were BlackRock, Inc. ($183.1M), Disciplined Growth Investors Inc. ($135.3M) and Vanguard Group Inc. ($134.9M). 8 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Cathie Wood (0.0% of ARK Investment Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Proto Labs Inc.
- CUSIP
- 743713109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 38 | $27.3M |
| Exits | 22 | $17.1M |
All 13F filers, Q3 2025 → Q4 2025: 1,420,898 shares bought and 1,405,423 shares sold, net +15,475 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 234 holders
| BlackRock, Inc. | 0.00% | Reduce -0.1% | 3,619,004 | $183.1M |
| Disciplined Growth Investors Inc. | 2.59% | Add +3.1% | 2,673,729 | $135.3M |
| Vanguard Group Inc. | 0.00% | Reduce -2.9% | 2,666,227 | $134.9M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -2.3% | 1,276,561 | $64.6M |
| Rubric Capital Management LP | 0.68% | No change | 1,123,338 | $56.8M |
| State Street Corp. | 0.00% | Reduce -7.4% | 1,088,206 | $55.1M |
| American Capital Management Inc. | 1.41% | Add +126.0% | 631,311 | $31.9M |
| Geode Capital Management, LLC | 0.00% | Reduce -1.5% | 558,300 | $28.2M |
| Renaissance Technologies | 0.04% | Reduce -9.2% | 493,551 | $25.0M |
| Arrowstreet Capital, Limited Partnership | 0.01% | No change | 460,618 | $23.3M |
| Driehaus Capital Management LLC | 0.13% | New | 382,155 | $19.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +9.5% | 363,013 | $18.4M |
| Nuveen, LLC | 0.00% | Reduce -1.3% | 325,750 | $16.5M |
| S Squared Technology, LLC | 6.00% | Reduce -1.6% | 306,103 | $15.5M |
| Morgan Stanley | 0.00% | Reduce -0.1% | 305,612 | $15.5M |
| Northern Trust Corp. | 0.00% | Reduce -8.1% | 256,268 | $13.0M |
| Nordea Investment Management AB | 0.01% | Reduce -12.8% | 224,439 | $11.5M |
| D. E. Shaw & Co. | 0.01% | Reduce -40.4% | 212,868 | $10.8M |
| Jupiter Asset Management Ltd. | 0.08% | No change | 194,832 | $9.9M |
| Prudential Financial Inc. | 0.01% | Add +136.0% | 182,826 | $9.2M |
| Panagora Asset Management Inc. | 0.03% | Add +4.3% | 175,585 | $8.9M |
| UBS Group AG | 0.00% | Reduce -0.8% | 175,416 | $8.9M |
| Hillsdale Investment Management Inc. | 0.23% | Reduce -0.8% | 168,284 | $8.5M |
| Goldman Sachs Group Inc. | 0.00% | Add +11.2% | 160,604 | $8.1M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.4% | 142,995 | $7.2M |
| Principal Financial Group Inc. | 0.00% | Add +4.3% | 136,670 | $6.9M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | Reduce -11.1% | 130,767 | $6.6M |
| FMR LLC | 0.00% | Add +21.9% | 122,100 | $6.2M |
| JPMorgan Chase & Co. | 0.00% | Add +35.8% | 118,635 | $6.0M |
| Rice Hall James & Associates, LLC | 0.32% | Reduce -6.1% | 114,563 | $5.8M |
| Bridgeway Capital Management, LLC | 0.12% | Add +4.0% | 113,876 | $5.8M |
| Gagnon Securities LLC | 1.16% | Add +2.6% | 111,548 | $5.6M |
| Jane Street Group, LLC | 0.01% | Add +69.9% | 110,595 | $5.6M |
| Public Sector Pension Investment Board | 0.02% | Reduce -2.4% | 110,351 | $5.6M |
| Invesco Ltd. | 0.00% | Add +5.2% | 107,698 | $5.4M |
| First Trust Advisors LP | 0.00% | Add +26.5% | 105,929 | $5.4M |
| Millennium Management | 0.00% | Reduce -2.5% | 101,532 | $5.1M |
| Bank of America Corp. | 0.00% | Reduce -29.5% | 93,329 | $4.7M |
| Polar Asset Management Partners Inc. | 0.11% | Reduce -35.1% | 83,402 | $4.2M |
| American Century Companies Inc. | 0.00% | Add +1.4% | 79,145 | $4.0M |
| Lazard Asset Management LLC | 0.01% | Reduce -16.6% | 75,574 | $3.8M |
| Rhumbline Advisers | 0.00% | Reduce -11.1% | 64,715 | $3.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +7.3% | 64,643 | $3.3M |
| Legal & General Group Plc | 0.00% | Reduce -2.0% | 63,927 | $3.2M |
| ARK Investment Management | 0.02% | Reduce -21.0% | 56,744 | $2.9M |
| AQR Capital Management | 0.00% | Add +61.0% | 51,260 | $2.6M |
| Ameriprise Financial Inc. | 0.00% | Reduce -8.8% | 48,717 | $2.5M |
| Swiss National Bank | 0.00% | Add +2.2% | 47,100 | $2.4M |
| Campbell & CO Investment Adviser LLC | 0.10% | Add +60.5% | 41,520 | $2.1M |
| CWA Asset Management Group, LLC | 0.08% | Add +3.1% | 41,508 | $2.1M |
| Point72 Asset Management | 0.00% | New | 39,907 | $2.0M |
| AIMZ Investment Advisors, LLC | 0.57% | Reduce -1.0% | 39,628 | $2.0M |
| Barclays PLC | 0.00% | Add +11.4% | 38,149 | $1.9M |
| Franklin Resources Inc. | 0.00% | Add +8.5% | 32,937 | $1.7M |
| Federated Hermes, Inc. | 0.00% | Add +1.6% | 30,748 | $1.6M |
| Voya Investment Management LLC | 0.00% | Add +1.7% | 30,218 | $1.5M |
| SG Americas Securities, LLC | 0.00% | Add +40.8% | 30,155 | $1.5M |
| Wells Fargo & Company | 0.00% | Add +37.3% | 29,974 | $1.5M |
| Acadian Asset Management LLC | 0.00% | Add +131.7% | 29,468 | $1.5M |
| T. Rowe Price Associates Inc. | 0.00% | Add +2.9% | 28,034 | $1.4M |
| Deutsche Bank AG | 0.00% | Reduce -80.5% | 27,768 | $1.4M |
| Assenagon Asset Management S.A. | 0.00% | No change | 27,745 | $1.4M |
| Trexquant Investment LP | 0.01% | New | 27,627 | $1.4M |
| Teacher Retirement System of Texas | 0.00% | Reduce -3.6% | 24,359 | $1.2M |
| New York State Teachers Retirement System | 0.00% | Reduce -0.6% | 23,488 | $1.2M |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 0.01% | Reduce -9.7% | 23,400 | $1.2M |
| California State Teachers Retirement System | 0.00% | Reduce -0.1% | 23,144 | $1.2M |
| Gabelli Funds LLC | 0.01% | Reduce -5.3% | 21,132 | $1.1M |
| Alliancebernstein L.P. | 0.00% | Reduce -25.5% | 20,740 | $1.0M |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 19,845 | $1.0M |
| State of Tennessee, Department of Treasury | 0.00% | Add +82.1% | 17,728 | $933K |
| Alps Advisors Inc. | 0.01% | Reduce -7.8% | 17,713 | $896K |
| Royal Bank of Canada | 0.00% | Add +0.1% | 16,627 | $842K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -5.5% | 16,271 | $823K |
| Dark Forest Capital Management LP | 0.04% | Reduce -65.5% | 15,943 | $807K |
| Captrust Financial Advisors | 0.00% | Add +0.8% | 15,849 | $802K |
| Essex Investment Management Co. LLC | 0.12% | Reduce -25.8% | 15,504 | $784K |
| Citigroup Inc. | 0.00% | Reduce -30.8% | 15,313 | $775K |
| Qube Research & Technologies Ltd | 0.00% | Reduce -79.7% | 14,950 | $756K |
| Engineers Gate Manager LP | 0.01% | Add +0.5% | 14,733 | $745K |
| Verition Fund Management LLC | 0.00% | Reduce -7.1% | 14,600 | $739K |
| Versor Investments LP | 0.12% | Add +52.1% | 14,599 | $739K |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 0.11% | No change | 14,500 | $734K |
| STRS Ohio | 0.00% | Reduce -3.5% | 14,000 | $708K |
| Quantinno Capital Management LP | 0.00% | Add +41.3% | 13,935 | $705K |
| HSBC Holdings PLC | 0.00% | Add +45.4% | 13,624 | $694K |
| MetLife Investment Management, LLC | 0.00% | Reduce -6.6% | 13,537 | $685K |
| Bailard, Inc. | 0.01% | Reduce -18.0% | 13,281 | $672K |
| State of Alaska, Department of Revenue | 0.01% | Reduce -0.4% | 13,280 | $671K |
| State of Wisconsin Investment Board | 0.00% | Add +42.1% | 13,259 | $671K |
| Tidal Investments LLC | 0.00% | Add +0.1% | 12,997 | $658K |
| Canada Pension Plan Investment Board | 0.00% | Add +144.2% | 12,700 | $642K |
| Illinois Municipal Retirement Fund | 0.01% | Reduce -1.0% | 12,571 | $636K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +1.2% | 12,507 | $633K |
| Citadel Advisors | 0.00% | Reduce -77.4% | 12,461 | $630K |
| OP Asset Management Ltd | 0.01% | Add +7.8% | 12,429 | $629K |
| Janus Henderson Group PLC | 0.00% | Add +0.6% | 12,228 | $618K |
| Marks Group Wealth Management, Inc | 0.06% | No change | 12,052 | $610K |
| Amundi | 0.00% | Add +29.6% | 12,051 | $610K |
| Select Equity Group, L.P. | 0.00% | Reduce -77.3% | 11,919 | $603K |
"% of holder's portfolio" is PRLB's weight in each manager's 13F, not the share of Proto Labs Inc. the manager owns.