MESA LABS INC

Ticker: MLAB CUSIP: 59064R109 Class: Common Stock

MILLENNIUM MANAGEMENT LLC's Holding History (CIK: 0001273087)

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

Q4 2025

Shares 4,465 Value ($000) $351 Avg Close $75.96 Range $66.39 - $83.18

Q3 2025

Shares 133,817 Value ($000) $8,967 Avg Close $71.72 Range $55.21 - $103.28

Q2 2025

Shares 57,710 Value ($000) $5,437 Avg Close $109.15 Range $87.42 - $130.43

Q4 2024

Shares 4,832 Value ($000) $637 Avg Close $121.79 Range $97.08 - $139.36

Q3 2024

Shares 3,002 Value ($000) $390 Avg Close $116.53 Range $85.22 - $139.82

Q1 2024

Shares 1,880 Value ($000) $206 Avg Close $99.55 Range $87.54 - $114.48

Q3 2023

Shares 5,536 Value ($000) $582 Avg Close $126.18 Range $101.78 - $143.38

Q2 2023

Shares 4,278 Value ($000) $550 Avg Close $149.94 Range $122.07 - $184.65

Q1 2023

Shares 3,932 Value ($000) $1 Avg Close $176.11 Range $151.50 - $202.76

Q4 2022

Shares 3,691 Value ($000) $1 Avg Close $153.87 Range $112.11 - $186.80

Q3 2022

Shares 4,153 Value ($000) $585 Avg Close $178.97 Range $133.61 - $212.24

Q2 2022

Shares 17,412 Value ($000) $3,551 Avg Close $214.62 Range $174.88 - $258.13

Q1 2022

Shares 10,567 Value ($000) $2,693 Avg Close $266.04 Range $239.75 - $326.08

Q4 2021

Shares 8,209 Value ($000) $2,693 Avg Close $307.32 Range $285.14 - $326.54

Q3 2021

Shares 4,359 Value ($000) $1,318 Avg Close $278.11 Range $257.33 - $318.62

Q2 2021

Shares 7,363 Value ($000) $1,997 Avg Close $248.03 Range $227.68 - $268.74

Q1 2021

Shares 19,500 Value ($000) $4,748 Avg Close $268.89 Range $231.88 - $300.91

Q4 2020

Shares 18,908 Value ($000) $5,420 Avg Close $268.73 Range $247.92 - $285.33

Q3 2020

Shares 16,262 Value ($000) $4,143 Avg Close $231.93 Range $202.54 - $252.24

Q2 2020

Shares 20,792 Value ($000) $4,508 Avg Close $224.85 Range $197.47 - $262.51

Q1 2019

Shares 15,405 Value ($000) $3,551 Avg Close $219.75 Range $195.71 - $235.22

Q4 2018

Shares 3,566 Value ($000) $743 Avg Close $189.46 Range $162.53 - $218.23

Q3 2018

Shares 30,152 Value ($000) $5,597 Avg Close $195.39 Range $165.11 - $218.31

Q2 2018

Shares 18,418 Value ($000) $3,888 Avg Close $169.69 Range $134.32 - $207.68

Q1 2017

Shares 2,430 Value ($000) $298 Avg Close $118.09 Range $109.46 - $123.38

Q4 2014

Shares 5,400 Value ($000) $417 Avg Close $69.59 Range $54.13 - $80.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,465	$351	$75.96	$66.39 - $83.18
Q3 2025	133,817	$8,967	$71.72	$55.21 - $103.28
Q2 2025	57,710	$5,437	$109.15	$87.42 - $130.43
Q4 2024	4,832	$637	$121.79	$97.08 - $139.36
Q3 2024	3,002	$390	$116.53	$85.22 - $139.82
Q1 2024	1,880	$206	$99.55	$87.54 - $114.48
Q3 2023	5,536	$582	$126.18	$101.78 - $143.38
Q2 2023	4,278	$550	$149.94	$122.07 - $184.65
Q1 2023	3,932	$1	$176.11	$151.50 - $202.76
Q4 2022	3,691	$1	$153.87	$112.11 - $186.80
Q3 2022	4,153	$585	$178.97	$133.61 - $212.24
Q2 2022	17,412	$3,551	$214.62	$174.88 - $258.13
Q1 2022	10,567	$2,693	$266.04	$239.75 - $326.08
Q4 2021	8,209	$2,693	$307.32	$285.14 - $326.54
Q3 2021	4,359	$1,318	$278.11	$257.33 - $318.62
Q2 2021	7,363	$1,997	$248.03	$227.68 - $268.74
Q1 2021	19,500	$4,748	$268.89	$231.88 - $300.91
Q4 2020	18,908	$5,420	$268.73	$247.92 - $285.33
Q3 2020	16,262	$4,143	$231.93	$202.54 - $252.24
Q2 2020	20,792	$4,508	$224.85	$197.47 - $262.51
Q1 2019	15,405	$3,551	$219.75	$195.71 - $235.22
Q4 2018	3,566	$743	$189.46	$162.53 - $218.23
Q3 2018	30,152	$5,597	$195.39	$165.11 - $218.31
Q2 2018	18,418	$3,888	$169.69	$134.32 - $207.68
Q1 2017	2,430	$298	$118.09	$109.46 - $123.38
Q4 2014	5,400	$417	$69.59	$54.13 - $80.65