PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

Granahan Investment Management, LLC's Holding History (CIK: 0001026710)

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

Q3 2021
Shares 46,611 Value ($000) $3,104 Avg Close $78.12 Range $66.51 - $93.66
Q2 2021
Shares 34,566 Value ($000) $3,173 Avg Close $98.50 Range $82.60 - $127.65
Q1 2021
Shares 21,227 Value ($000) $2,584 Avg Close $166.30 Range $109.17 - $286.57
Q4 2020
Shares 19,065 Value ($000) $2,925 Avg Close $141.05 Range $113.62 - $203.88
Q3 2020
Shares 20,030 Value ($000) $2,594 Avg Close $131.45 Range $106.69 - $164.99
Q2 2020
Shares 25,430 Value ($000) $2,860 Avg Close $102.64 Range $66.01 - $136.85
Q1 2020
Shares 25,335 Value ($000) $1,929 Avg Close $92.67 Range $63.19 - $114.75
Q4 2019
Shares 22,898 Value ($000) $2,325 Avg Close $99.10 Range $89.02 - $107.86
Q3 2019
Shares 22,608 Value ($000) $2,308 Avg Close $101.95 Range $88.75 - $119.80
Q2 2019
Shares 22,608 Value ($000) $2,623 Avg Close $107.63 Range $97.08 - $119.98
Q1 2019
Shares 24,850 Value ($000) $2,613 Avg Close $112.20 Range $94.20 - $130.60
Q4 2018
Shares 23,300 Value ($000) $2,628 Avg Close $123.33 Range $101.03 - $163.03
Q3 2018
Shares 23,300 Value ($000) $3,769 Avg Close $141.47 Range $115.95 - $166.60
Q2 2018
Shares 27,500 Value ($000) $3,271 Avg Close $122.45 Range $111.20 - $136.40
Q1 2018
Shares 27,250 Value ($000) $3,203 Avg Close $113.00 Range $100.05 - $126.95
Q4 2017
Shares 30,900 Value ($000) $3,183 Avg Close $89.74 Range $79.06 - $109.10
Q3 2017
Shares 41,700 Value ($000) $3,349 Avg Close $72.28 Range $66.85 - $80.40
Q2 2017
Shares 48,000 Value ($000) $3,228 Avg Close $60.44 Range $48.70 - $70.10
Q1 2017
Shares 48,000 Value ($000) $2,453 Avg Close $52.95 Range $48.00 - $60.25
Q4 2016
Shares 91,450 Value ($000) $4,696 Avg Close $52.43 Range $43.10 - $59.65
Q3 2016
Shares 114,050 Value ($000) $6,833 Avg Close $57.54 Range $50.50 - $61.62
Q2 2016
Shares 105,450 Value ($000) $6,070 Avg Close $66.74 Range $55.07 - $82.06
Q1 2016
Shares 97,000 Value ($000) $7,478 Avg Close $64.57 Range $51.61 - $79.65
Q4 2015
Shares 107,000 Value ($000) $6,815 Avg Close $64.50 Range $58.84 - $69.48
Q3 2015
Shares 97,800 Value ($000) $6,553 Avg Close $71.25 Range $65.82 - $79.95
Q2 2015
Shares 74,765 Value ($000) $5,045 Avg Close $70.59 Range $65.84 - $79.00
Q1 2015
Shares 109,098 Value ($000) $7,637 Avg Close $67.69 Range $57.30 - $74.82
Q4 2013
Shares 25,815 Value ($000) $1,838 Avg Close $77.51 Range $65.52 - $89.97
Q3 2013
Shares 62,310 Value ($000) $4,760 Avg Close $69.23 Range $61.46 - $80.66
Q2 2013
Shares 32,710 Value ($000) $2,125 Avg Close $53.72 Range $43.62 - $67.40