Proto Labs, Inc.

Historical 13F Holders

Symbol
PRLB
CUSIP
743713109
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 743713109 since 12/18/2024, newest first.

Filer % of Class Filed
Disciplined Growth Investors Inc /MN 13G/A Amendment 9 10.0% 8/14/2026
Event 6/30/2026
Dimensional Fund Advisors LP 13G/A Amendment 1 4.8% 7/14/2026
Event 6/30/2026
Disciplined Growth Investors Inc /MN 13G/A Amendment 8 10.5% 5/15/2026
Event 3/31/2026
Vanguard Capital Management LLC 13G 5.1% 4/30/2026
Event 3/31/2026
Vanguard Portfolio Management LLC 13G 6.5% 4/29/2026
Event 3/31/2026
Vanguard Group Inc 13G/A Amendment 12 0% 3/27/2026
Event 3/13/2026
Disciplined Growth Investors Inc /MN 13G/A Amendment 7 11.3% 2/17/2026
Event 12/31/2025
Disciplined Growth Investors Inc /MN 13G/A Amendment 6 10.9% 11/14/2025
Event 9/30/2025
Disciplined Growth Investors Inc /MN 13G/A Amendment 6 11.4% 8/14/2025
Event 6/30/2025
BlackRock, Inc. 13G/A Amendment 6 15.0% 7/17/2025
Event 6/30/2025
Disciplined Growth Investors Inc /MN 13G/A Amendment 5 11.2% 5/15/2025
Event 3/31/2025
Disciplined Growth Investors Inc /MN 13G/A Amendment 4 8.9% 2/14/2025
Event 12/31/2024
Dimensional Fund Advisors LP 13G 5.3% 1/23/2025
Event 12/31/2024
Disciplined Growth Investors Inc /MN 13G/A Amendment 3 8.4% 11/14/2024
Event 9/30/2024

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 12 28.5 k $2.69 M
2026 Q2 285 24.7 M $1.86 B
2026 Q1 269 22.1 M $1.26 B
2025 Q4 244 21.8 M $1.10 B
2025 Q3 218 21.8 M $1.09 B
2025 Q2 209 22.1 M $885 M
2025 Q1 199 21.8 M $766 M
2024 Q4 213 21.4 M $838 M
2024 Q3 204 21.8 M $640 M
2024 Q2 215 22.2 M $685 M
2024 Q1 218 23.7 M $845 M
2023 Q4 233 23.0 M $896 M
2023 Q3 194 21.7 M $572 M
2023 Q2 206 22.2 M $776 M
2023 Q1 214 22.6 M $748 M
2022 Q4 209 24.5 M $624 M
2022 Q3 220 24.3 M $883 M
2022 Q2 240 24.7 M $1.17 B
2022 Q1 249 24.7 M $1.31 B
2021 Q4 266 25.5 M $1.31 B
2021 Q3 285 28.3 M $1.89 B
2021 Q2 293 28.9 M $2.65 B
2021 Q1 336 28.8 M $3.49 B
2020 Q4 326 31.6 M $4.85 B
2020 Q3 293 30.2 M $3.91 B
2020 Q2 297 30.2 M $3.39 B
2020 Q1 250 31.2 M $2.38 B
2019 Q4 260 28.2 M $2.87 B
2019 Q3 253 27.0 M $2.76 B
2019 Q2 263 25.7 M $2.98 B
2019 Q1 287 24.9 M $2.62 B
2018 Q4 285 25.5 M $2.88 B
2018 Q3 288 26.4 M $4.28 B
2018 Q2 267 26.0 M $3.09 B
2018 Q1 268 26.4 M $3.11 B
2017 Q4 243 26.5 M $2.72 B
2017 Q3 223 27.6 M $2.22 B
2017 Q2 212 27.8 M $1.87 B
2017 Q1 203 27.5 M $1.41 B
2016 Q4 221 28.5 M $1.46 B
2016 Q3 223 28.3 M $1.69 B
2016 Q2 238 29.2 M $1.66 B
2016 Q1 227 29.0 M $2.24 B
2015 Q4 222 27.6 M $1.76 B
2015 Q3 210 28.5 M $1.91 B
2015 Q2 196 24.5 M $1.65 B
2015 Q1 194 25.6 M $1.79 B
2014 Q4 193 25.8 M $1.74 B
2014 Q3 199 25.1 M $1.73 B
2014 Q2 194 25.0 M $2.04 B
2014 Q1 190 23.5 M $1.59 B