PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 1,276,561 Value ($000) $64,583 Avg Close $51.15 Range $45.10 - $55.90

Q3 2025

Shares 1,306,367 Value ($000) $65,356 Avg Close $45.82 Range $38.48 - $51.96

Q2 2025

Shares 1,315,928 Value ($000) $52,691 Avg Close $37.26 Range $29.59 - $43.00

Q1 2025

Shares 1,324,804 Value ($000) $46,421 Avg Close $39.41 Range $34.08 - $46.73

Q4 2024

Shares 1,300,864 Value ($000) $50,851 Avg Close $35.94 Range $26.35 - $45.15

Q3 2024

Shares 1,232,858 Value ($000) $36,209 Avg Close $30.51 Range $25.76 - $35.49

Q2 2024

Shares 1,110,566 Value ($000) $34,305 Avg Close $31.69 Range $29.71 - $35.74

Q1 2024

Shares 979,896 Value ($000) $35,031 Avg Close $36.11 Range $33.13 - $41.87

Q4 2023

Shares 811,902 Value ($000) $31,633 Avg Close $32.38 Range $23.01 - $40.47

Q3 2023

Shares 777,468 Value ($000) $20,525 Avg Close $30.19 Range $25.13 - $36.33

Q2 2023

Shares 846,076 Value ($000) $29,579 Avg Close $31.86 Range $27.73 - $36.38

Q1 2023

Shares 835,022 Value ($000) $27,680 Avg Close $30.94 Range $25.00 - $39.52

Q4 2022

Shares 790,826 Value ($000) $20 Avg Close $29.70 Range $22.04 - $40.09

Q3 2022

Shares 726,759 Value ($000) $26,476 Avg Close $43.34 Range $34.99 - $53.00

Q2 2022

Shares 626,794 Value ($000) $29,983 Avg Close $46.37 Range $39.36 - $55.10

Q1 2022

Shares 426,194 Value ($000) $22,547 Avg Close $52.62 Range $45.63 - $61.14

Q4 2021

Shares 317,556 Value ($000) $16,307 Avg Close $59.00 Range $47.57 - $79.27

Q3 2021

Shares 315,346 Value ($000) $21,004 Avg Close $78.12 Range $66.51 - $93.66

Q2 2021

Shares 335,225 Value ($000) $30,775 Avg Close $98.50 Range $82.60 - $127.65

Q1 2021

Shares 463,103 Value ($000) $56,384 Avg Close $166.30 Range $109.17 - $286.57

Q4 2020

Shares 471,820 Value ($000) $72,381 Avg Close $141.05 Range $113.62 - $203.88

Q3 2020

Shares 476,518 Value ($000) $61,714 Avg Close $131.45 Range $106.69 - $164.99

Q2 2020

Shares 456,884 Value ($000) $51,388 Avg Close $102.64 Range $66.01 - $136.85

Q1 2020

Shares 444,919 Value ($000) $33,871 Avg Close $92.67 Range $63.19 - $114.75

Q4 2019

Shares 445,771 Value ($000) $45,268 Avg Close $99.10 Range $89.02 - $107.86

Q3 2019

Shares 449,700 Value ($000) $45,915 Avg Close $101.95 Range $88.75 - $119.80

Q2 2019

Shares 450,157 Value ($000) $52,225 Avg Close $107.63 Range $97.08 - $119.98

Q1 2019

Shares 447,539 Value ($000) $47,055 Avg Close $112.20 Range $94.20 - $130.60

Q4 2018

Shares 442,243 Value ($000) $49,880 Avg Close $123.33 Range $101.03 - $163.03

Q3 2018

Shares 431,576 Value ($000) $69,806 Avg Close $141.47 Range $115.95 - $166.60

Q2 2018

Shares 436,103 Value ($000) $51,875 Avg Close $122.45 Range $111.20 - $136.40

Q1 2018

Shares 443,496 Value ($000) $52,133 Avg Close $113.00 Range $100.05 - $126.95

Q4 2017

Shares 447,592 Value ($000) $46,102 Avg Close $89.74 Range $79.06 - $109.10

Q3 2017

Shares 438,869 Value ($000) $35,240 Avg Close $72.28 Range $66.85 - $80.40

Q2 2017

Shares 390,697 Value ($000) $26,274 Avg Close $60.44 Range $48.70 - $70.10

Q1 2017

Shares 351,431 Value ($000) $17,958 Avg Close $52.95 Range $48.00 - $60.25

Q4 2016

Shares 306,896 Value ($000) $15,759 Avg Close $52.43 Range $43.10 - $59.65

Q3 2016

Shares 308,180 Value ($000) $18,463 Avg Close $57.54 Range $50.50 - $61.62

Q2 2016

Shares 307,880 Value ($000) $17,721 Avg Close $66.74 Range $55.07 - $82.06

Q1 2016

Shares 309,276 Value ($000) $23,843 Avg Close $64.57 Range $51.61 - $79.65

Q4 2015

Shares 317,295 Value ($000) $20,209 Avg Close $64.50 Range $58.84 - $69.48

Q3 2015

Shares 321,774 Value ($000) $21,559 Avg Close $71.25 Range $65.82 - $79.95

Q2 2015

Shares 321,774 Value ($000) $21,713 Avg Close $70.59 Range $65.84 - $79.00

Q1 2015

Shares 275,884 Value ($000) $19,312 Avg Close $67.69 Range $57.30 - $74.82

Q4 2014

Shares 255,641 Value ($000) $17,169 Avg Close $65.74 Range $54.97 - $73.46

Q3 2014

Shares 247,884 Value ($000) $17,105 Avg Close $78.24 Range $68.88 - $94.23

Q2 2014

Shares 238,118 Value ($000) $19,506 Avg Close $67.73 Range $58.06 - $83.06

Q1 2014

Shares 226,294 Value ($000) $15,313 Avg Close $74.38 Range $62.09 - $84.00

Q4 2013

Shares 188,262 Value ($000) $13,400 Avg Close $77.51 Range $65.52 - $89.97

Q3 2013

Shares 5,381 Value ($000) $411 Avg Close $69.23 Range $61.46 - $80.66

Q2 2013

Shares 5,381 Value ($000) $350 Avg Close $53.72 Range $43.62 - $67.40

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,276,561	$64,583	$51.15	$45.10 - $55.90
Q3 2025	1,306,367	$65,356	$45.82	$38.48 - $51.96
Q2 2025	1,315,928	$52,691	$37.26	$29.59 - $43.00
Q1 2025	1,324,804	$46,421	$39.41	$34.08 - $46.73
Q4 2024	1,300,864	$50,851	$35.94	$26.35 - $45.15
Q3 2024	1,232,858	$36,209	$30.51	$25.76 - $35.49
Q2 2024	1,110,566	$34,305	$31.69	$29.71 - $35.74
Q1 2024	979,896	$35,031	$36.11	$33.13 - $41.87
Q4 2023	811,902	$31,633	$32.38	$23.01 - $40.47
Q3 2023	777,468	$20,525	$30.19	$25.13 - $36.33
Q2 2023	846,076	$29,579	$31.86	$27.73 - $36.38
Q1 2023	835,022	$27,680	$30.94	$25.00 - $39.52
Q4 2022	790,826	$20	$29.70	$22.04 - $40.09
Q3 2022	726,759	$26,476	$43.34	$34.99 - $53.00
Q2 2022	626,794	$29,983	$46.37	$39.36 - $55.10
Q1 2022	426,194	$22,547	$52.62	$45.63 - $61.14
Q4 2021	317,556	$16,307	$59.00	$47.57 - $79.27
Q3 2021	315,346	$21,004	$78.12	$66.51 - $93.66
Q2 2021	335,225	$30,775	$98.50	$82.60 - $127.65
Q1 2021	463,103	$56,384	$166.30	$109.17 - $286.57
Q4 2020	471,820	$72,381	$141.05	$113.62 - $203.88
Q3 2020	476,518	$61,714	$131.45	$106.69 - $164.99
Q2 2020	456,884	$51,388	$102.64	$66.01 - $136.85
Q1 2020	444,919	$33,871	$92.67	$63.19 - $114.75
Q4 2019	445,771	$45,268	$99.10	$89.02 - $107.86
Q3 2019	449,700	$45,915	$101.95	$88.75 - $119.80
Q2 2019	450,157	$52,225	$107.63	$97.08 - $119.98
Q1 2019	447,539	$47,055	$112.20	$94.20 - $130.60
Q4 2018	442,243	$49,880	$123.33	$101.03 - $163.03
Q3 2018	431,576	$69,806	$141.47	$115.95 - $166.60
Q2 2018	436,103	$51,875	$122.45	$111.20 - $136.40
Q1 2018	443,496	$52,133	$113.00	$100.05 - $126.95
Q4 2017	447,592	$46,102	$89.74	$79.06 - $109.10
Q3 2017	438,869	$35,240	$72.28	$66.85 - $80.40
Q2 2017	390,697	$26,274	$60.44	$48.70 - $70.10
Q1 2017	351,431	$17,958	$52.95	$48.00 - $60.25
Q4 2016	306,896	$15,759	$52.43	$43.10 - $59.65
Q3 2016	308,180	$18,463	$57.54	$50.50 - $61.62
Q2 2016	307,880	$17,721	$66.74	$55.07 - $82.06
Q1 2016	309,276	$23,843	$64.57	$51.61 - $79.65
Q4 2015	317,295	$20,209	$64.50	$58.84 - $69.48
Q3 2015	321,774	$21,559	$71.25	$65.82 - $79.95
Q2 2015	321,774	$21,713	$70.59	$65.84 - $79.00
Q1 2015	275,884	$19,312	$67.69	$57.30 - $74.82
Q4 2014	255,641	$17,169	$65.74	$54.97 - $73.46
Q3 2014	247,884	$17,105	$78.24	$68.88 - $94.23
Q2 2014	238,118	$19,506	$67.73	$58.06 - $83.06
Q1 2014	226,294	$15,313	$74.38	$62.09 - $84.00
Q4 2013	188,262	$13,400	$77.51	$65.52 - $89.97
Q3 2013	5,381	$411	$69.23	$61.46 - $80.66
Q2 2013	5,381	$350	$53.72	$43.62 - $67.40