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
23,661,319
Price per share
$52.48
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
21,738,021
Total reported value
$1,099,956,562
% of total 13F portfolios
0%
Share change
+21,337
Value change
+$1,272,231
Number of holders
230
Price from insider filings
$52.48
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% +3.6% $146,867,934 +$4,468,885 2,673,729 +3.1% DISCIPLINED GROWTH INVESTORS INC /MN 31 Dec 2025
DIMENSIONAL FUND ADVISORS LP 5.3% $46,037,577 1,300,864 Dimensional Fund Advisors LP 31 Dec 2024

As of 31 Dec 2025, 230 institutional investors reported holding 21,738,021 shares of Proto Labs Inc - Common Stock (PRLB). This represents 92% of the company’s total 23,661,319 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Proto Labs Inc - Common Stock (PRLB) together control 77% 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% 3,619,004 -0.07% 0% $183,085,413
DISCIPLINED GROWTH INVESTORS INC /MN 11% 2,673,729 +3.1% 2.6% $135,263,950
VANGUARD GROUP INC 11% 2,666,227 -2.9% 0% $134,884,424
DIMENSIONAL FUND ADVISORS LP 5.4% 1,276,561 -2.3% 0.01% $64,583,030
Rubric Capital Management LP 4.7% 1,123,338 0% 0.68% $56,829,669
STATE STREET CORP 4.6% 1,088,206 -7.4% 0% $55,052,342
AMERICAN CAPITAL MANAGEMENT INC 2.7% 631,311 +126% 1.4% $31,938,023
GEODE CAPITAL MANAGEMENT, LLC 2.4% 558,300 -1.5% 0% $28,249,952
RENAISSANCE TECHNOLOGIES LLC 2.1% 493,551 -9.2% 0.04% $24,968,745
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1.9% 460,618 0% 0.01% $23,302,665
Driehaus Capital Management LLC 1.6% 382,155 0.13% $19,333,221
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.5% 363,013 +9.5% 0% $18,364,828
Nuveen, LLC 1.4% 325,750 -1.3% 0% $16,479,692
S Squared Technology, LLC 1.3% 306,103 -1.6% 6% $15,485,751
MORGAN STANLEY 1.3% 305,612 -0.13% 0% $15,461,002
NORTHERN TRUST CORP 1.1% 256,268 -8.1% 0% $12,964,598
NORDEA INVESTMENT MANAGEMENT AB 0.95% 224,439 -13% 0.01% $11,504,744
D. E. Shaw & Co., Inc. 0.9% 212,868 -40% 0.01% $10,768,992
JUPITER ASSET MANAGEMENT LTD 0.82% 194,832 0% 0.08% $9,856,551
PRUDENTIAL FINANCIAL INC 0.77% 182,826 +136% 0.01% $9,249,167
PANAGORA ASSET MANAGEMENT INC 0.74% 175,585 +4.3% 0.03% $8,882,845
UBS Group AG 0.74% 175,416 -0.83% 0% $8,874,296
Hillsdale Investment Management Inc. 0.71% 168,284 -0.77% 0.23% $8,513,487
GOLDMAN SACHS GROUP INC 0.68% 160,604 +11% 0% $8,124,956
Bank of New York Mellon Corp 0.6% 142,995 -3.4% 0% $7,234,102

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 21,738,021 $1,099,956,562 +$1,272,231 $50.59 230
2025 Q3 21,734,265 $1,087,223,760 +$7,578,886 $50.03 211
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