MESA LABS INC

Ticker: MLAB CUSIP: 59064R109 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2025

Shares 7,137 Value ($000) $560 Avg Close $75.96 Range $66.39 - $83.18

Q3 2025

Shares 14,600 Value ($000) $978 Avg Close $71.72 Range $55.21 - $103.28

Q4 2024

Shares 3,476 Value ($000) $458 Avg Close $121.79 Range $97.08 - $139.36

Q3 2024

Shares 8,556 Value ($000) $1,111 Avg Close $116.53 Range $85.22 - $139.82

Q2 2024

Shares 14,560 Value ($000) $1,263 Avg Close $103.60 Range $82.88 - $122.43

Q1 2024

Shares 26,413 Value ($000) $2,898 Avg Close $99.55 Range $87.54 - $114.48

Q4 2023

Shares 15,847 Value ($000) $1,660 Avg Close $96.12 Range $81.68 - $118.22

Q3 2023

Shares 5,276 Value ($000) $554 Avg Close $126.18 Range $101.78 - $143.38

Q2 2022

Shares 1,609 Value ($000) $328 Avg Close $214.62 Range $174.88 - $258.13

Q1 2022

Shares 3,461 Value ($000) $881 Avg Close $266.04 Range $239.75 - $326.08

Q4 2021

Shares 3,683 Value ($000) $1,208 Avg Close $307.32 Range $285.14 - $326.54

Q3 2021

Shares 14,229 Value ($000) $4,303 Avg Close $278.11 Range $257.33 - $318.62

Q2 2021

Shares 17,378 Value ($000) $4,712 Avg Close $248.03 Range $227.68 - $268.74

Q1 2021

Shares 17,222 Value ($000) $4,193 Avg Close $268.89 Range $231.88 - $300.91

Q4 2020

Shares 18,494 Value ($000) $5,302 Avg Close $268.73 Range $247.92 - $285.33

Q3 2020

Shares 20,560 Value ($000) $5,237 Avg Close $231.93 Range $202.54 - $252.24

Q2 2020

Shares 42,341 Value ($000) $9,180 Avg Close $224.85 Range $197.47 - $262.51

Q1 2020

Shares 7,675 Value ($000) $1,735 Avg Close $240.43 Range $177.40 - $264.58

Q4 2019

Shares 20,554 Value ($000) $5,127 Avg Close $228.21 Range $201.87 - $248.54

Q3 2019

Shares 48,518 Value ($000) $11,536 Avg Close $225.06 Range $200.11 - $261.29

Q1 2019

Shares 3,961 Value ($000) $913 Avg Close $219.75 Range $195.71 - $235.22

Q3 2018

Shares 9,012 Value ($000) $1,673 Avg Close $195.39 Range $165.11 - $218.31

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,137	$560	$75.96	$66.39 - $83.18
Q3 2025	14,600	$978	$71.72	$55.21 - $103.28
Q4 2024	3,476	$458	$121.79	$97.08 - $139.36
Q3 2024	8,556	$1,111	$116.53	$85.22 - $139.82
Q2 2024	14,560	$1,263	$103.60	$82.88 - $122.43
Q1 2024	26,413	$2,898	$99.55	$87.54 - $114.48
Q4 2023	15,847	$1,660	$96.12	$81.68 - $118.22
Q3 2023	5,276	$554	$126.18	$101.78 - $143.38
Q2 2022	1,609	$328	$214.62	$174.88 - $258.13
Q1 2022	3,461	$881	$266.04	$239.75 - $326.08
Q4 2021	3,683	$1,208	$307.32	$285.14 - $326.54
Q3 2021	14,229	$4,303	$278.11	$257.33 - $318.62
Q2 2021	17,378	$4,712	$248.03	$227.68 - $268.74
Q1 2021	17,222	$4,193	$268.89	$231.88 - $300.91
Q4 2020	18,494	$5,302	$268.73	$247.92 - $285.33
Q3 2020	20,560	$5,237	$231.93	$202.54 - $252.24
Q2 2020	42,341	$9,180	$224.85	$197.47 - $262.51
Q1 2020	7,675	$1,735	$240.43	$177.40 - $264.58
Q4 2019	20,554	$5,127	$228.21	$201.87 - $248.54
Q3 2019	48,518	$11,536	$225.06	$200.11 - $261.29
Q1 2019	3,961	$913	$219.75	$195.71 - $235.22
Q3 2018	9,012	$1,673	$195.39	$165.11 - $218.31