Proto Labs Inc
PRLB- Exchange
- NYSE
- Industry
- Fabricated Structural Metal Products
- SEC CIK
- 0001443669
In the last 90 days, Proto Labs Inc insiders filed 2 open-market purchases and 2 sales; 280 institutions reported holding it in 13F filings for Q2 2026, worth $1.83B in total; ARK Invest is the only superinvestor holding it.
Key figures
- Market capClose on Nov 10, 2026
- $1.62B
- Insider buysLast 90 days, $101.2K in total
- 2
- Insider sellsLast 90 days, $902.6K in total
- 2
- 13F holdersQ2 2026, +19 vs. previous quarter
- 280
- 13F valueReported value at the end of Q2 2026
- $1.83B
- Superinvestors holdingAt the end of Q2 2026
- 1
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $533.1M
- +6.4% year over year
- Net income, FY2025
- $21.2M
- +28.0% year over year
- Free cash flow, FY2025
- $59.7M
- −13.1% year over year
- Revenue, Q3 FY2026
- $154.3M
- +14.0% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 616.3K
- Shares sold short
- Change
- −36.9K
- −5.7% vs. previous
- Days to cover
- 2.41
- At average daily volume
Superinvestors holding PRLB, Q2 2026
Go to the superinvestors tab1 superinvestor reports holding Proto Labs Inc on Form 13F. Percentages are the stock's share of each portfolio.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Proto Labs Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 4, 2026 (view filing)4:39 PM ET | Nov 2 | 2 days | Krishna SureshPresident and CEO | PPurchase | +750 | $69.52 | +$52.1K | +2.5%30.9K after | |
| Nov 4, 2026 (view filing)4:39 PM ET | Nov 3 | 1 day | Gawlick RainerDirector | PPurchase | +720 | $68.18 | +$49.1K | +1.6%46.8K after | |
| Sep 25, 2026 (view filing)4:11 PM ET | Sep 24 | 1 day | Schumacher DanielChief Financial Officer | SSale | −5.00K | $95.32 | −$476.6K | −12.5%35.0K after | 10b5-1 |
| Sep 18, 2026 (view filing)4:02 PM ET | Sep 16-17 | 2 days | Schumacher DanielChief Financial Officer | SSale | −5.00K | $85.21 | −$426.0K | −11.1%40.0K after | 2 lots10b5-1 |
| Jun 4, 2026 (view filing) | Jun 2 | 2 days | Wehrwein SvenDirector | SSale | −2.00K | $77.28 | −$154.6K | −5.8%32.5K after | 2 lots |
| May 13, 2026 (view filing) | May 11-12 | 2 days | Kenison Michael R.Chief Operations Officer | SSale | −23.5K | $69.73 | −$1.64M | −55.7%18.7K after | 5 lots10b5-1 |
| May 8, 2026 (view filing) | May 7 | 1 day | Kenison Michael R.Chief Operations Officer | SSale | −200 | $70.00 | −$14.0K | −0.7%27.2K after | 10b5-1 |
| Feb 18, 2026 (view filing) | Feb 17 | 1 day | Kenison Michael R.Chief Operations Officer | SSale | −5.00K | $66.46 | −$332.3K | −16.5%25.3K after | 10b5-1 |
| Feb 9, 2026 (view filing) | Feb 6 | 3 days | Kenison Michael R.Chief Operations Officer | SSale | −2.50K | $60.00 | −$150.0K | −6.8%34.5K after | 10b5-1 |
| Dec 3, 2025 (view filing) | Nov 25 | 8 days | Kenison Michael R.Chief Operations Officer | SSale | −3.05K | $50.17 | −$152.9K | −9.5%28.9K after | Amended10b5-1 |
Top 10 13F holders, Q2 2026
See all 280 holdersThe largest institutional positions in Proto Labs Inc at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,896,222 | $317.6M | 0.00% | +218,347+5.9% | Added |
| Disciplined Growth Investors Inc | 2,380,514 | $194.0M | 3.29% | −116,841−4.7% | Reduced |
| Vanguard Portfolio Management LLC | 1,599,765 | $130.4M | 0.01% | +61,235+4.0% | Added |
| Dimensional Fund Advisors LP | 1,152,305 | $93.9M | 0.02% | −120,051−9.4% | Reduced |
| State Street Corp | 1,138,462 | $92.8M | 0.00% | +46,462+4.3% | Added |
| Vanguard Capital Management LLC | 1,054,623 | $86.0M | 0.00% | +14,882+1.4% | Added |
| American Capital Management Inc | 619,845 | $50.5M | 2.27% | −7,860−1.3% | Reduced |
| Geode Capital Management, LLC | 614,028 | $50.1M | 0.00% | +33,827+5.8% | Added |
| Renaissance Technologies LLC | 469,251 | $38.2M | 0.05% | −51,000−9.8% | Reduced |
| Prudential Financial Inc | 457,810 | $37.3M | 0.04% | +57,569+14.4% | Added |
Holders of 5% or more of PRLB
See all 4 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Proto Labs Inc.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 15.00%3.55M shares | – | Oct 18, 20243 filings | Jul 17, 2025 | SEC |
| Disciplined Growth Investors Inc | 13G/A | 10.00%2.38M shares | −0.50 ppfrom 10.50% | Feb 15, 202211 filings | Aug 14, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 6.51%1.55M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.10%1.21M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
Politician trades
All politician trades in PRLB1 member of Congress reported 1 trade in Proto Labs Inc since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Nov 9, 2020 |  Greg Gianforte House · MT | Sell (partial) | $100K-$250K |
House · MT · Nov 9, 2020
Sell (partial)$100K-$250K