PRLB
Proto Labs, Inc. · Industrials · Manufacturing - Miscellaneous
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2026
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | 0 | 3.37K | $311,267 | +1 | −1 |
| Q2 2026 | 99 | -1 | 14.61M | $1.19B | +4 | −5 |
| Q1 2026 | 103 | +16 | 13.93M | $794.05M | +17 | −1 |
| Q4 2025 | 87 | 0 | 14.72M | $745.02M | +1 | −1 |
| Q3 2025 | 18 | 0 | 10.50M | $525.51M | n/a | n/a |
| Q2 2025 | 15 | 0 | 10.12M | $405.31M | +1 | −1 |
| Q1 2025 | 12 | -2 | 4.14M | $145.11M | n/a | −2 |
| Q4 2024 | 14 | +1 | 3.70M | $144.79M | +1 | n/a |
| Q3 2024 | 12 | -2 | 2.43M | $71.29M | n/a | −2 |
| Q2 2024 | 14 | n/a | 2.60M | $80.36M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Wealth Enhancement Advisory… | 3.30K | New | $304,201 | 0.0% | New | 1 | SEC ↗ |
| 2 | TD Waterhouse Canada Inc. | 75 | 0.0% | $7,066 | 0.0% | Held | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Wealth Enhancement Advisory… | $304,201 | 0.0% |
Exited
| Assenagon Asset Management… | $2.00M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 259 holders, 21.98M shares, $1.24B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 5.00K sh · $476,604
Officer · 4.90K sh · $417,535
Officer · 100 sh · $8,500
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology