PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025
Shares 13,259 Value ($000) $671 Avg Close $51.15 Range $45.10 - $55.90
Q3 2025
Shares 9,331 Value ($000) $467 Avg Close $45.82 Range $38.48 - $51.96
Q1 2024
Shares 12,141 Value ($000) $434 Avg Close $36.11 Range $33.13 - $41.87
Q4 2023
Shares 17,674 Value ($000) $689 Avg Close $32.38 Range $23.01 - $40.47
Q3 2023
Shares 18,994 Value ($000) $501 Avg Close $30.19 Range $25.13 - $36.33
Q2 2023
Shares 43,379 Value ($000) $1,517 Avg Close $31.86 Range $27.73 - $36.38
Q1 2023
Shares 50,924 Value ($000) $1,688 Avg Close $30.94 Range $25.00 - $39.52
Q4 2022
Shares 60,928 Value ($000) $1,555 Avg Close $29.70 Range $22.04 - $40.09
Q3 2022
Shares 41,626 Value ($000) $1,516 Avg Close $43.34 Range $34.99 - $53.00
Q2 2022
Shares 61,274 Value ($000) $2,931 Avg Close $46.37 Range $39.36 - $55.10
Q1 2022
Shares 54,550 Value ($000) $2,886 Avg Close $52.62 Range $45.63 - $61.14
Q4 2021
Shares 44,850 Value ($000) $2,303 Avg Close $59.00 Range $47.57 - $79.27
Q3 2021
Shares 37,350 Value ($000) $2,488 Avg Close $78.12 Range $66.51 - $93.66
Q2 2021
Shares 39,150 Value ($000) $3,594 Avg Close $98.50 Range $82.60 - $127.65
Q1 2021
Shares 39,150 Value ($000) $4,767 Avg Close $166.30 Range $109.17 - $286.57
Q4 2020
Shares 47,350 Value ($000) $7,263 Avg Close $141.05 Range $113.62 - $203.88
Q3 2020
Shares 53,650 Value ($000) $6,948 Avg Close $131.45 Range $106.69 - $164.99
Q2 2020
Shares 60,950 Value ($000) $6,855 Avg Close $102.64 Range $66.01 - $136.85
Q1 2020
Shares 58,750 Value ($000) $4,473 Avg Close $92.67 Range $63.19 - $114.75
Q4 2019
Shares 67,950 Value ($000) $6,900 Avg Close $99.10 Range $89.02 - $107.86
Q3 2019
Shares 67,950 Value ($000) $6,938 Avg Close $101.95 Range $88.75 - $119.80
Q2 2019
Shares 65,650 Value ($000) $7,617 Avg Close $107.63 Range $97.08 - $119.98
Q1 2019
Shares 64,900 Value ($000) $6,824 Avg Close $112.20 Range $94.20 - $130.60
Q4 2018
Shares 51,500 Value ($000) $5,809 Avg Close $123.33 Range $101.03 - $163.03
Q3 2018
Shares 51,500 Value ($000) $8,330 Avg Close $141.47 Range $115.95 - $166.60
Q2 2018
Shares 51,500 Value ($000) $6,126 Avg Close $122.45 Range $111.20 - $136.40
Q1 2018
Shares 51,500 Value ($000) $6,054 Avg Close $113.00 Range $100.05 - $126.95
Q4 2017
Shares 51,500 Value ($000) $5,305 Avg Close $89.74 Range $79.06 - $109.10
Q3 2017
Shares 51,500 Value ($000) $4,135 Avg Close $72.28 Range $66.85 - $80.40
Q2 2017
Shares 41,500 Value ($000) $2,791 Avg Close $60.44 Range $48.70 - $70.10
Q1 2017
Shares 34,350 Value ($000) $1,755 Avg Close $52.95 Range $48.00 - $60.25
Q4 2016
Shares 34,350 Value ($000) $1,764 Avg Close $52.43 Range $43.10 - $59.65