Institutional Ownership
Proto Labs Inc
CUSIP 743713109COMPRLBQ1 2026
Institutional Holders
254
13F filers
Shares Held
19.31M
Aggregate institutional
Institutional Value
$1.09B
Q1 2026
Net New Holders
+28
47 new · 19 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions47
Increased74
Decreased79
Sold out19
Institutional Holders
254 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Blackrock, Inc. | 3.68M | $209.71M | +58.9K | Added |
| 2 | Disciplined Growth Investors Inc /Mn | 2.50M | $142.40M | −176.4K | Reduced |
| 3 | Dimensional Fund Advisors LP | 1.27M | $72.55M | −4.2K | Reduced |
| 4 | State Street Corp | 1.09M | $62.27M | +3.8K | Added |
| 5 | American Capital Management Inc | 627.7K | $35.79M | −3.6K | Reduced |
| 6 | Geode Capital Management, LLC | 580.2K | $33.09M | +21.9K | Added |
| 7 | Renaissance Technologies LLC | 520.3K | $29.66M | +26.7K | Added |
| 8 | Rubric Capital Management LP | 486.4K | $27.73M | −636.9K | Reduced |
| 9 | Arrowstreet Capital, Limited Partnership | 463.8K | $26.44M | +3.2K | Added |
| 10 | Fmr LLC | 422.4K | $24.08M | +300.3K | Added |
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