Security record · archived quarter
PRLB
Proto Labs, Inc. · Industrials · Manufacturing - Miscellaneous
18Tracked holders
0Δ holders
10.50MShares held
$525.51MReported value
+0New positions
−0Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -2.3% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
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 · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.62M | -0.8% | $181.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 3.62M | -0.8% | $181.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 3.62M | -0.8% | $181.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 3.62M | -0.8% | $181.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 3.62M | -0.8% | $181.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 3.62M | -0.8% | $181.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 3.62M | -0.8% | $181.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 3.62M | -0.8% | $181.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 3.62M | -0.8% | $181.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 3.62M | -0.8% | $181.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 3.62M | -0.8% | $181.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 3.62M | -0.8% | $181.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 3.62M | -0.8% | $181.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 3.62M | -0.8% | $181.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | The Vanguard Group ✦ (passive) | 2.74M | -1.0% | $137.33M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 2.74M | -1.0% | $137.33M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 2.74M | -1.0% | $137.33M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | The Vanguard Group ✦ (passive) | 2.74M | -1.0% | $137.33M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 19 | The Vanguard Group ✦ (passive) | 2.74M | -1.0% | $137.33M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 20 | State Street Global Advisors ✦ (passive) | 1.18M | -0.9% | $58.80M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 21 | Geode Capital Management ✦ (passive) | 567.04K | +0.8% | $28.37M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 22 | Geode Capital Management ✦ (passive) | 567.04K | +0.8% | $28.37M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 23 | Renaissance Technologies ✦ | 543.65K | +0.3% | $27.20M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 24 | Arrowstreet Capital ✦ | 460.62K | +3.0% | $23.04M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 25 | D. E. Shaw & Co. ✦ | 357.16K | -21.1% | $17.87M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 26 | Morgan Stanley ✦ | 306.00K | — | $15.31M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Morgan Stanley ✦ | 306.00K | — | $15.31M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | Morgan Stanley ✦ | 306.00K | — | $15.31M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | Morgan Stanley ✦ | 306.00K | — | $15.31M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Morgan Stanley ✦ | 306.00K | — | $15.31M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Morgan Stanley ✦ | 306.00K | — | $15.31M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Morgan Stanley ✦ | 306.00K | — | $15.31M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Morgan Stanley ✦ | 306.00K | — | $15.31M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Morgan Stanley ✦ | 306.00K | — | $15.31M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | JPMorgan Chase ✦ | 174.68K | — | $8.74M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | JPMorgan Chase ✦ | 174.68K | — | $8.74M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | JPMorgan Chase ✦ | 174.68K | — | $8.74M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | JPMorgan Chase ✦ | 174.68K | — | $8.74M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | JPMorgan Chase ✦ | 174.68K | — | $8.74M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | JPMorgan Chase ✦ | 174.68K | — | $8.74M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | JPMorgan Chase ✦ | 174.68K | — | $8.74M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | JPMorgan Chase ✦ | 174.68K | — | $8.74M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | JPMorgan Chase ✦ | 174.68K | — | $8.74M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | JPMorgan Chase ✦ | 174.68K | — | $8.74M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | JPMorgan Chase ✦ | 174.68K | — | $8.74M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | JPMorgan Chase ✦ | 174.68K | — | $8.74M | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Goldman Sachs Group ✦ | 144.40K | — | $7.22M | 0.0% | n/c | 1 | SEC ↗ |
| 48 | Goldman Sachs Group ✦ | 144.40K | — | $7.22M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Millennium Management ✦ | 104.17K | -32.9% | $5.21M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 50 | Fidelity (FMR) ✦ | 100.20K | +26.0% | $5.01M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Fidelity (FMR) ✦ | 100.20K | +26.0% | $5.01M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | ARK Investment Management ✦ | 71.80K | -9.7% | $3.59M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 53 | Citadel Advisors ✦ | 55.21K | -55.5% | $2.76M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 54 | AQR Capital Management ✦ | 31.83K | +49.5% | $1.59M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 55 | AQR Capital Management ✦ | 31.83K | +49.5% | $1.59M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 56 | AQR Capital Management ✦ | 31.83K | +49.5% | $1.59M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 57 | AQR Capital Management ✦ | 31.83K | +49.5% | $1.59M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 58 | AQR Capital Management ✦ | 31.83K | +49.5% | $1.59M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 59 | T. Rowe Price ✦ | 27.24K | +4.6% | $1.36M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 60 | Gotham Asset Management ✦ | 13.34K | -14.1% | $667,350 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 61 | Two Sigma Investments ✦ | 4.50K | -19.6% | $225,135 | 0.0% | ▼ Trim | 6 | 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: Q3 2025 ·
Methodology ·
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