Proto Labs Inc - Common Stock (PRLB) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
PRLB on NYSE
Shares outstanding
23,783,239
Price per share
$50.59
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
21,731,450
Total reported value
$1,087,082,926
% of total 13F portfolios
0%
Share change
+78,370
Value change
+$7,042,937
Number of holders
209
Price from insider filings
$50.59
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Proto Labs Inc - Common Stock (PRLB) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 15% $142,296,875 3,553,868 BlackRock, Inc. 30 Jun 2025
DISCIPLINED GROWTH INVESTORS INC /MN 11% -4.5% $129,696,421 -$6,485,789 2,592,373 -4.8% DISCIPLINED GROWTH INVESTORS INC /MN 30 Sep 2025
DIMENSIONAL FUND ADVISORS LP 5.3% $46,037,577 1,300,864 Dimensional Fund Advisors LP 31 Dec 2024

As of 30 Sep 2025, 209 institutional investors reported holding 21,731,450 shares of Proto Labs Inc - Common Stock (PRLB). This represents 91% of the company’s total 23,783,239 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Proto Labs Inc - Common Stock (PRLB) together control 75% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 15% 3,621,679 -0.84% 0% $181,192,599
VANGUARD GROUP INC 12% 2,744,977 -1% 0% $137,331,200
DISCIPLINED GROWTH INVESTORS INC /MN 11% 2,592,373 -4.8% 2.3% $129,696,421
DIMENSIONAL FUND ADVISORS LP 5.5% 1,306,367 -0.73% 0.01% $65,356,402
STATE STREET CORP 4.9% 1,175,300 -0.94% 0% $58,800,259
Rubric Capital Management LP 4.7% 1,123,338 +8.6% 0.75% $56,200,600
GEODE CAPITAL MANAGEMENT, LLC 2.4% 567,036 +0.84% 0% $28,372,922
RENAISSANCE TECHNOLOGIES LLC 2.3% 543,651 +0.3% 0.04% $27,198,860
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1.9% 460,618 +3% 0.01% $23,044,719
D. E. Shaw & Co., Inc. 1.5% 357,163 -21% 0.01% $17,868,865
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.4% 331,428 +11% 0% $16,581,343
Nuveen, LLC 1.4% 329,990 +81% 0% $16,509,400
S Squared Technology, LLC 1.3% 311,103 0% 5.9% $15,564,483
MORGAN STANLEY 1.3% 305,997 -26% 0% $15,309,088
AMERICAN CAPITAL MANAGEMENT INC 1.2% 279,296 +417% 0.56% $13,973,179
NORTHERN TRUST CORP 1.2% 278,741 -0.39% 0% $13,945,411
NORDEA INVESTMENT MANAGEMENT AB 1.1% 257,255 +3.1% 0.01% $12,731,550
JUPITER ASSET MANAGEMENT LTD 0.82% 194,832 0% 0.08% $9,747,445
UBS Group AG 0.74% 176,880 -27% 0% $8,849,306
Hillsdale Investment Management Inc. 0.71% 169,584 +10% 0.26% $8,484,288
PANAGORA ASSET MANAGEMENT INC 0.71% 168,395 +0.6% 0.03% $8,424,802
Bank of New York Mellon Corp 0.62% 148,067 -1.7% 0% $7,407,779
Connor, Clark & Lunn Investment Management Ltd. 0.62% 147,037 +1.4% 0.02% $7,356,261
GOLDMAN SACHS GROUP INC 0.61% 144,400 +64% 0% $7,224,332
DEUTSCHE BANK AG\ 0.6% 142,236 +42% 0% $7,116,067

Institutional Holders of Proto Labs Inc - Common Stock (PRLB) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 336,397 $17,169,158 -$1,149,943 $50.59 12
2025 Q3 21,731,450 $1,087,082,926 +$7,042,937 $50.03 209
2025 Q2 21,644,811 $866,661,340 -$3,320,676 $40.04 199
2025 Q1 21,833,014 $764,932,838 +$12,721,358 $35.04 188
2024 Q4 21,413,334 $837,171,404 -$1,936,132 $39.09 198
2024 Q3 21,601,786 $634,296,323 +$12,457,335 $29.37 193
2024 Q2 21,463,987 $662,934,572 -$6,290,130 $30.89 205
2024 Q1 21,664,592 $774,219,900 -$2,861,632 $35.75 203
2023 Q4 21,716,420 $845,829,890 +$100,687 $38.96 218
2023 Q3 21,644,485 $571,391,110 -$27,189,078 $26.40 183
2023 Q2 22,185,087 $775,566,005 -$12,018,822 $34.96 190
2023 Q1 22,494,016 $745,535,696 -$15,435,457 $33.15 195
2022 Q4 23,287,357 $594,563,505 -$42,744,310 $25.53 193
2022 Q3 24,260,677 $881,194,677 -$8,850,441 $36.43 189
2022 Q2 24,466,497 $1,162,030,563 -$6,352,462 $47.84 207
2022 Q1 24,694,338 $1,306,191,660 -$36,560,161 $52.90 217
2021 Q4 25,371,389 $1,303,565,237 -$166,847,087 $51.35 222
2021 Q3 28,263,246 $1,882,987,161 -$47,769,900 $66.60 248
2021 Q2 28,727,914 $2,635,481,077 -$14,885,666 $91.80 260
2021 Q1 28,551,256 $3,475,713,832 -$300,436,753 $121.75 303
2020 Q4 30,946,840 $4,747,961,335 +$157,898,016 $153.40 296
2020 Q3 30,073,363 $3,893,761,408 +$1,972,542 $129.50 274
2020 Q2 30,050,881 $3,370,920,361 +$27,692,547 $112.47 274
2020 Q1 29,855,726 $2,273,297,211 +$94,366,862 $76.13 220
2019 Q4 27,824,637 $2,827,089,990 +$82,362,910 $101.55 242
2019 Q3 26,981,624 $2,754,490,160 +$134,554,432 $102.10 239
2019 Q2 25,635,872 $2,973,483,855 +$108,513,179 $116.02 235
2019 Q1 24,818,603 $2,609,641,497 -$6,118,180 $105.14 255
2018 Q4 25,168,810 $2,839,412,863 -$99,002,937 $112.79 263
2018 Q3 25,876,599 $4,185,474,591 +$11,651,701 $161.75 257
2018 Q2 25,900,338 $3,081,527,028 +$5,940,465 $118.95 243
2018 Q1 25,872,628 $3,041,485,874 -$68,758,795 $117.55 245
2017 Q4 26,408,585 $2,720,368,450 -$108,580,814 $103.00 226
2017 Q3 27,644,326 $2,218,891,994 +$5,157,496 $80.30 200
2017 Q2 27,753,747 $1,866,478,820 +$114,948,103 $67.25 189
2017 Q1 27,342,585 $1,397,916,435 +$91,569,737 $51.10 181
2016 Q4 28,381,030 $1,457,809,365 -$32,334,381 $51.35 192
2016 Q3 28,297,566 $1,694,022,649 -$27,564,261 $59.91 200
2016 Q2 28,627,566 $1,647,755,272 +$5,959,749 $57.56 214
2016 Q1 29,003,063 $2,235,651,297 +$141,799,580 $77.09 207
2015 Q4 27,433,950 $1,747,374,582 -$24,625,300 $63.69 195
2015 Q3 27,094,354 $1,815,289,335 +$193,116,986 $67.00 191
2015 Q2 24,459,076 $1,650,457,144 -$80,190,159 $67.48 177
2015 Q1 25,433,237 $1,780,345,890 -$11,741,146 $70.00 177
2014 Q4 25,843,887 $1,735,517,310 +$84,276,123 $67.16 174
2014 Q3 24,665,594 $1,701,556,736 -$15,352,364 $69.00 183
2014 Q2 24,773,472 $2,029,428,390 +$114,585,015 $81.92 177
2014 Q1 23,464,686 $1,587,178,268 +$51,584,375 $67.67 175