PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2025
Shares 460,618 Value ($000) $23,303 Avg Close $51.15 Range $45.10 - $55.90
Q3 2025
Shares 460,618 Value ($000) $23,045 Avg Close $45.82 Range $38.48 - $51.96
Q2 2025
Shares 447,130 Value ($000) $17,903 Avg Close $37.26 Range $29.59 - $43.00
Q1 2025
Shares 450,070 Value ($000) $15,770 Avg Close $39.41 Range $34.08 - $46.73
Q4 2024
Shares 212,914 Value ($000) $8,323 Avg Close $35.94 Range $26.35 - $45.15
Q3 2024
Shares 47,518 Value ($000) $1,396 Avg Close $30.51 Range $25.76 - $35.49
Q2 2024
Shares 81,847 Value ($000) $3 Avg Close $31.69 Range $29.71 - $35.74
Q1 2024
Shares 204,299 Value ($000) $7 Avg Close $36.11 Range $33.13 - $41.87
Q4 2023
Shares 157,311 Value ($000) $6 Avg Close $32.38 Range $23.01 - $40.47
Q2 2023
Shares 59,704 Value ($000) $2 Avg Close $31.86 Range $27.73 - $36.38
Q1 2023
Shares 49,482 Value ($000) $2 Avg Close $30.94 Range $25.00 - $39.52
Q3 2020
Shares 14,800 Value ($000) $1,917 Avg Close $131.45 Range $106.69 - $164.99
Q2 2020
Shares 3,400 Value ($000) $382 Avg Close $102.64 Range $66.01 - $136.85
Q4 2019
Shares 3,200 Value ($000) $325 Avg Close $99.10 Range $89.02 - $107.86
Q1 2019
Shares 7,800 Value ($000) $820 Avg Close $112.20 Range $94.20 - $130.60
Q1 2018
Shares 206,949 Value ($000) $24,327 Avg Close $113.00 Range $100.05 - $126.95
Q4 2017
Shares 175,884 Value ($000) $18,116 Avg Close $89.74 Range $79.06 - $109.10
Q3 2017
Shares 25,662 Value ($000) $2,061 Avg Close $72.28 Range $66.85 - $80.40