Maple Plain, MN
PROTO LABS INCPRLB— Latest position per institution from SEC 13F filings
15
Institutional holders
24.20M
Total shares held
1.17B
Estimated value
1.21M
Avg. position size
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
4.32M
Value
133.53M
Filed
Jun 30, 2024
BLACKROCK, INC.
CIK 2012383
Shares
3.68M
Value
209.71M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
2.67M
Value
134.88M
Filed
Dec 31, 2025
DISCIPLINED GROWTH INVESTORS INC /MN
CIK 1050442
Shares
2.50M
Value
142.40M
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
1.54M
Value
87.73M
Filed
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
1.27M
Value
72.55M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
1.09M
Value
62.27M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.04M
Value
59.29M
Filed
Mar 31, 2026
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
711.74K
Value
24.94M
Filed
Mar 31, 2025
AMERICAN CAPITAL MANAGEMENT INC
CIK 1320168
Shares
627.71K
Value
35.79M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
580.20K
Value
33.09M
Filed
Mar 31, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
520.25K
Value
29.66M
Filed
Mar 31, 2026
RUBRIC CAPITAL MANAGEMENT LP
CIK 1687509
Shares
486.40K
Value
27.73M
Filed
Mar 31, 2026
NO STREET GP LP
CIK 1765774
Shares
475K
Value
17.30K
Filed
Sep 30, 2022
BROWN CAPITAL MANAGEMENT LLC
CIK 885062
Shares
467.37K
Value
16.34M
Filed
Jun 30, 2023
AMOVA ASSET MANAGEMENT AMERICAS, INC.
CIK 1480751
Shares
467.02K
Value
11.92M
Filed
Dec 31, 2022
SUMITOMO MITSUI TRUST GROUP, INC.
CIK 1475365
Shares
467.02K
Value
11.92M
Filed
Dec 31, 2022
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
463.78K
Value
26.44M
Filed
Mar 31, 2026
FMR LLC
CIK 315066
Shares
422.36K
Value
24.08M
Filed
Mar 31, 2026
PRUDENTIAL FINANCIAL INC
CIK 1137774
Shares
400.24K
Value
22.82M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK FINANCE, INC. | 1364742 | 4.32M | 133.53M | Jun 30, 2024 |
| 2 | BLACKROCK, INC. | 2012383 | 3.68M | 209.71M | Mar 31, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 2.67M | 134.88M | Dec 31, 2025 |
| 4 | DISCIPLINED GROWTH INVESTORS INC /MN | 1050442 | 2.50M | 142.40M | Mar 31, 2026 |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 1.54M | 87.73M | Mar 31, 2026 |
| 6 | DIMENSIONAL FUND ADVISORS LP | 354204 | 1.27M | 72.55M | Mar 31, 2026 |
| 7 | STATE STREET CORP | 93751 | 1.09M | 62.27M | Mar 31, 2026 |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.04M | 59.29M | Mar 31, 2026 |
| 9 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 711.74K | 24.94M | Mar 31, 2025 |
| 10 | AMERICAN CAPITAL MANAGEMENT INC | 1320168 | 627.71K | 35.79M | Mar 31, 2026 |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 580.20K | 33.09M | Mar 31, 2026 |
| 12 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 520.25K | 29.66M | Mar 31, 2026 |
| 13 | RUBRIC CAPITAL MANAGEMENT LP | 1687509 | 486.40K | 27.73M | Mar 31, 2026 |
| 14 | NO STREET GP LP | 1765774 | 475K | 17.30K | Sep 30, 2022 |
| 15 | BROWN CAPITAL MANAGEMENT LLC | 885062 | 467.37K | 16.34M | Jun 30, 2023 |
| 16 | AMOVA ASSET MANAGEMENT AMERICAS, INC. | 1480751 | 467.02K | 11.92M | Dec 31, 2022 |
| 17 | SUMITOMO MITSUI TRUST GROUP, INC. | 1475365 | 467.02K | 11.92M | Dec 31, 2022 |
| 18 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 463.78K | 26.44M | Mar 31, 2026 |
| 19 | FMR LLC | 315066 | 422.36K | 24.08M | Mar 31, 2026 |
| 20 | PRUDENTIAL FINANCIAL INC | 1137774 | 400.24K | 22.82M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.