Industrials · NYSE · AI-powered stock analysis, 32-signal quality score, SEC EDGAR financials, and institutional holdings. Updated .
Proto Labs Inc (PRLB) stock profile, AI quality score, and SEC EDGAR financial data, a Industrials sector company. 13F Pro's AI-powered ranking engine scores PRLB at 53.5/100 on a 32-signal composite quality model, placing it at rank #1,387 of 2,961 stocks — the top half of the AI-ranked universe. PRLB scores in the top quartile across earnings quality (80.7). Areas of concern include institutional flow (33.6) and revenue scale (38.7), which score below median versus the broader universe. Shareholder dilution risk is elevated at 33.0/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q2 2026), Proto Labs Inc reports quarterly revenue of $149.3M, net income of $9.2M, an operating margin of 7.6%. Top institutional holders of PRLB by reported 13-F value include BlackRock, DISCIPLINED GROWTH INVESTORS, VANGUARD PORTFOLIO MANAGEMENT, based on the most recent SEC filings. PRLB trades on the NYSE exchange and files with the SEC under CIK 1443669. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate PRLB daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for Proto Labs Inc directly from SEC EDGAR.
AI Quality Score
53.5/100
AI Rank
#1,387
Revenue
$149.3M
Net Income
$9.2M
Free Cash Flow
$9.2M
Operating Margin
7.6%
| Period | Form | Revenue | Net income | Operating margin |
|---|---|---|---|---|
| FY 2025 | 10-K | $533.1M | $21.2M | 4.7% |
| FY 2024 | 10-K | $500.9M | $16.6M | 4.0% |
| FY 2023 | 10-K | $503.9M | $17.2M | 5.6% |
| FY 2022 | 10-K | $488.4M | $-103.5M | -20.1% |
| FY 2021 | 10-K | $488.1M | $33.4M | 8.3% |
| FY 2020 | 10-K | $434.4M | $50.9M | 13.8% |
| Institution | Shares | Value | Reported |
|---|---|---|---|
| BlackRock | 3,896,222 | $317.6M | 2026-06-30 |
| DISCIPLINED GROWTH INVESTORS | 2,380,514 | $194.0M | 2026-06-30 |
| VANGUARD PORTFOLIO MANAGEMENT | 1,599,765 | $130.4M | 2026-06-30 |
| DIMENSIONAL FUND ADVISORS | 1,152,305 | $93.9M | 2026-06-30 |
| STATE STREET | 1,138,462 | $92.8M | 2026-06-30 |
| VANGUARD CAPITAL MANAGEMENT | 1,054,623 | $86.0M | 2026-06-30 |
| AMERICAN CAPITAL MANAGEMENT | 619,845 | $50.5M | 2026-06-30 |
| GEODE CAPITAL MANAGEMENT | 614,028 | $50.1M | 2026-06-30 |
| RENAISSANCE TECHNOLOGIES | 469,251 | $38.2M | 2026-06-30 |
| PRUDENTIAL FINANCIAL | 457,810 | $37.3M | 2026-06-30 |
13F Pro Quality Score
Rank #1,387 of 2,961 stocksTOP 50%
Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Nov 14, 2026.
Revenue Growth
Profitability
Balance Sheet
Earnings Quality
Free Cash Flow
Institutional Flow
Revenue Scale
Dilution Risk