Security record · archived quarter
PRLB
Proto Labs, Inc. · Industrials · Manufacturing - Miscellaneous
14Tracked holders
—Δ holders
2.60MShares held
$80.36MReported value
+0New positions
−0Exits
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| 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 | — | — |
| Q2 2025 | 15 | 0 | 10.12M | $405.31M | +1 | −1 |
| Q1 2025 | 12 | -2 | 4.14M | $145.11M | — | −2 |
| Q4 2024 | 14 | +1 | 3.70M | $144.79M | +1 | — |
| Q3 2024 | 12 | -2 | 2.43M | $71.29M | — | −2 |
| Q2 2024 | 14 | — | 2.60M | $80.36M | — | — |
Who holds it · Q2 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 581.52K | — | $17.97M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 581.52K | — | $17.97M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | D. E. Shaw & Co. ✦ | 572.86K | — | $17.70M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | D. E. Shaw & Co. ✦ | 572.86K | — | $17.70M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Renaissance Technologies ✦ | 435.82K | — | $13.46M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | Wellington Management ✦ | 364.05K | — | $11.25M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | Wellington Management ✦ | 364.05K | — | $11.25M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | Wellington Management ✦ | 364.05K | — | $11.25M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | Norges Bank ✦ (passive) | 157.90K | — | $4.88M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | ARK Investment Management ✦ | 132.97K | — | $4.11M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | Arrowstreet Capital ✦ | 81.85K | — | $2.53M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | Two Sigma Investments ✦ | 78.54K | — | $2.43M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | Millennium Management ✦ | 48.26K | — | $1.49M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | Marshall Wace ✦ | 42.80K | — | $1.32M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 35.49K | — | $1.10M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 35.49K | — | $1.10M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 35.49K | — | $1.10M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | T. Rowe Price ✦ | 28.05K | — | $867,000 | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Citadel Advisors ✦ | 27.01K | — | $834,215 | 0.0% | n/c | 1 | SEC ↗ |
| 20 | Gotham Asset Management ✦ | 14.10K | — | $435,395 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
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.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2024 ·
Methodology ·
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