Proto Labs Inc (PRLB) research
Proto Labs Inc- Sector
- Machinery
- Last price
- $87.75
- As of
Proto Labs Inc (PRLB): 6 institutional managers tracked by Kresmion reported non-option positions in their 2026Q2 Form 13F filings, and the most recent SEC filing on record for the company is a Form 8-K filed 2026-08-24.
As of . Source: SEC EDGAR filings for PRLB. Method and limitations.
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- highINSTITUTIONAL_SURGE
MILLENNIUM MANAGEMENT LLC added +260% to PRLB (2026Q2)
- highINSTITUTIONAL_SURGE
CITADEL ADVISORS LLC added +50% to PRLB (2026Q2)
- highINSTITUTIONAL_SURGE
CITADEL ADVISORS LLC added +1203% to PRLB (2026Q2)
- highINSTITUTIONAL_SURGE
MILLENNIUM MANAGEMENT LLC added +260% to PRLB (2026Q2)
- highINSTITUTIONAL_SURGE
CITADEL ADVISORS LLC added +1203% to PRLB (2026Q2)
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Every signal on PRLB, as it fires
You are seeing 5 of 20 signals recorded on PRLB since 2026-05-17.
The five above all landed on 2026-09-06. The other 15 were recorded on 5 other days. 13 of the 20 are institutional flow rows, which arrive in batches on filing days.
No fixed schedule: it goes out when the data has something in it. Unsubscribe anytime. We never sell your data.
Largest reported share positions in PRLB (2026Q2)
| Manager / security | Market value | % portfolio | QoQ |
|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLCCUSIP 743713109 · 2026Q2 | $38.2M | 0.05% | , |
| D. E. Shaw & Co., Inc.CUSIP 743713109 · 2026Q2 | $17.2M | 0.01% | , |
| MILLENNIUM MANAGEMENT LLCCUSIP 743713109 · 2026Q2 | $7.6M | 0.00% | , |
| CITADEL ADVISORS LLCCUSIP 743713109 · 2026Q2 | $7.2M | 0.00% | , |
| Point72 Asset Management, L.P.CUSIP 743713109 · 2026Q2 | $3M | 0.00% | , |
| TWO SIGMA INVESTMENTS, LPCUSIP 743713109 · 2026Q2 | $1M | 0.00% | , |
Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.
Recent SEC filings, PRLB
- 8-KSEC EDGAR ↗
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 10-QSEC EDGAR ↗
- 10-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
PRLB against its peers
PRLB's operating margin of 4.7% ranks in the 30th percentile of 24 Machinery sub-industry peers, fiscal periods ending between 2025-08-31 and 2026-06-30.
| Metric | PRLB | Peer median | Percentile | n |
|---|---|---|---|---|
| Revenue FY | 533M USD | 1.5B USD | 6 | 25 |
| Gross margin | 44.5% | 26.5% | 93 | 21 |
| Operating margin | 4.7% | 9.9% | 30 | 24 |
| Net margin | 4.0% | 7.2% | 37 | 25 |
| Return on equity | 3.2% | 10.5% | 25 | 25 |
| P / E | 99.7x | 18.0x | 93 | 19 |
Peers (25): BLBD, EPAC, AIN, KMT, GBX, WOR, LNN, TNC, KAI, MWA, ATMU, ASTE, ESAB, MTW, SYM, JBTM, MLR, DDD, HY, TEX, ESE, WNC, CMCO, TKR, AGCO. Fiscal periods ending between 2025-08-31 and 2026-06-30. Every figure is one full fiscal year read from one annual filing (PRLB: 10-K), reported in USD. Nothing is trailing twelve months and nothing is converted between currencies. Source: SEC EDGAR XBRL company facts (public domain); prices from Kresmion's daily equity market-data snapshot. Open the full comparison.
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