MESA LABS INC

Ticker: MLAB CUSIP: 59064R109 Class: Common Stock

ROYCE & ASSOCIATES LP's Holding History (CIK: 0000906304)

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

Q4 2025

Shares 153,352 Value ($000) $12,038 Avg Close $75.96 Range $66.39 - $83.18

Q3 2025

Shares 148,558 Value ($000) $9,955 Avg Close $71.72 Range $55.21 - $103.28

Q2 2025

Shares 247,606 Value ($000) $23,329 Avg Close $109.15 Range $87.42 - $130.43

Q1 2025

Shares 271,118 Value ($000) $32,171 Avg Close $135.40 Range $114.00 - $154.03

Q4 2024

Shares 287,207 Value ($000) $37,874 Avg Close $121.79 Range $97.08 - $139.36

Q3 2024

Shares 347,145 Value ($000) $45,080 Avg Close $116.53 Range $85.22 - $139.82

Q2 2024

Shares 394,501 Value ($000) $34,231 Avg Close $103.60 Range $82.88 - $122.43

Q1 2024

Shares 283,739 Value ($000) $31,135 Avg Close $99.55 Range $87.54 - $114.48

Q4 2023

Shares 269,645 Value ($000) $28,251 Avg Close $96.12 Range $81.68 - $118.22

Q3 2023

Shares 166,022 Value ($000) $17,444 Avg Close $126.18 Range $101.78 - $143.38

Q2 2023

Shares 159,609 Value ($000) $20,510 Avg Close $149.94 Range $122.07 - $184.65

Q1 2023

Shares 157,897 Value ($000) $27,589 Avg Close $176.11 Range $151.50 - $202.76

Q4 2022

Shares 160,577 Value ($000) $26,690 Avg Close $153.87 Range $112.11 - $186.80

Q3 2022

Shares 251,180 Value ($000) $35,374 Avg Close $178.97 Range $133.61 - $212.24

Q2 2022

Shares 277,471 Value ($000) $56,587 Avg Close $214.62 Range $174.88 - $258.13

Q1 2022

Shares 356,643 Value ($000) $90,901 Avg Close $266.04 Range $239.75 - $326.08

Q4 2021

Shares 342,758 Value ($000) $112,455 Avg Close $307.32 Range $285.14 - $326.54

Q3 2021

Shares 341,205 Value ($000) $103,167 Avg Close $278.11 Range $257.33 - $318.62

Q2 2021

Shares 332,746 Value ($000) $90,231 Avg Close $248.03 Range $227.68 - $268.74

Q1 2021

Shares 302,041 Value ($000) $73,547 Avg Close $268.89 Range $231.88 - $300.91

Q4 2020

Shares 307,253 Value ($000) $88,071 Avg Close $268.73 Range $247.92 - $285.33

Q3 2020

Shares 310,454 Value ($000) $79,091 Avg Close $231.93 Range $202.54 - $252.24

Q2 2020

Shares 306,280 Value ($000) $66,402 Avg Close $224.85 Range $197.47 - $262.51

Q1 2020

Shares 265,964 Value ($000) $60,132 Avg Close $240.43 Range $177.40 - $264.58

Q4 2019

Shares 265,979 Value ($000) $66,335 Avg Close $228.21 Range $201.87 - $248.54

Q3 2019

Shares 238,859 Value ($000) $56,794 Avg Close $225.06 Range $200.11 - $261.29

Q2 2019

Shares 120,504 Value ($000) $29,444 Avg Close $226.56 Range $176.37 - $256.07

Q1 2019

Shares 104,199 Value ($000) $24,018 Avg Close $219.75 Range $195.71 - $235.22

Q4 2018

Shares 110,681 Value ($000) $23,065 Avg Close $189.46 Range $162.53 - $218.23

Q3 2018

Shares 116,373 Value ($000) $21,601 Avg Close $195.39 Range $165.11 - $218.31

Q2 2018

Shares 102,430 Value ($000) $21,621 Avg Close $169.69 Range $134.32 - $207.68

Q1 2018

Shares 86,652 Value ($000) $12,863 Avg Close $132.07 Range $118.48 - $150.10

Q4 2017

Shares 78,762 Value ($000) $9,790 Avg Close $135.32 Range $118.50 - $157.82

Q3 2017

Shares 76,473 Value ($000) $11,419 Avg Close $136.33 Range $123.49 - $150.04

Q2 2017

Shares 78,530 Value ($000) $11,254 Avg Close $137.24 Range $116.47 - $164.05

Q1 2017

Shares 50,072 Value ($000) $6,144 Avg Close $118.09 Range $109.46 - $123.38

Q4 2016

Shares 40,300 Value ($000) $4,947 Avg Close $120.22 Range $105.07 - $132.08

Q3 2016

Shares 40,300 Value ($000) $4,609 Avg Close $109.60 Range $98.18 - $123.04

Q2 2016

Shares 54,000 Value ($000) $6,642 Avg Close $103.44 Range $88.28 - $126.77

Q1 2016

Shares 59,100 Value ($000) $5,694 Avg Close $86.42 Range $73.77 - $101.55

Q4 2015

Shares 44,500 Value ($000) $4,428 Avg Close $102.36 Range $85.94 - $114.35

Q3 2015

Shares 49,289 Value ($000) $5,491 Avg Close $100.98 Range $82.67 - $120.40

Q2 2015

Shares 54,889 Value ($000) $4,880 Avg Close $80.63 Range $64.55 - $88.64

Q1 2015

Shares 38,489 Value ($000) $2,779 Avg Close $70.91 Range $65.28 - $76.95

Q4 2014

Shares 42,789 Value ($000) $3,308 Avg Close $69.59 Range $54.13 - $80.65

Q3 2014

Shares 52,589 Value ($000) $3,039 Avg Close $68.77 Range $51.84 - $82.01

Q2 2014

Shares 52,589 Value ($000) $4,415 Avg Close $78.24 Range $70.63 - $86.28

Q1 2014

Shares 54,519 Value ($000) $4,920 Avg Close $80.28 Range $67.42 - $90.75

Q4 2013

Shares 82,089 Value ($000) $6,451 Avg Close $68.72 Range $61.20 - $78.13

Q3 2013

Shares 81,389 Value ($000) $5,503 Avg Close $60.15 Range $50.50 - $68.22

Q2 2013

Shares 51,389 Value ($000) $2,782 Avg Close $48.72 Range $43.39 - $52.49

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	153,352	$12,038	$75.96	$66.39 - $83.18
Q3 2025	148,558	$9,955	$71.72	$55.21 - $103.28
Q2 2025	247,606	$23,329	$109.15	$87.42 - $130.43
Q1 2025	271,118	$32,171	$135.40	$114.00 - $154.03
Q4 2024	287,207	$37,874	$121.79	$97.08 - $139.36
Q3 2024	347,145	$45,080	$116.53	$85.22 - $139.82
Q2 2024	394,501	$34,231	$103.60	$82.88 - $122.43
Q1 2024	283,739	$31,135	$99.55	$87.54 - $114.48
Q4 2023	269,645	$28,251	$96.12	$81.68 - $118.22
Q3 2023	166,022	$17,444	$126.18	$101.78 - $143.38
Q2 2023	159,609	$20,510	$149.94	$122.07 - $184.65
Q1 2023	157,897	$27,589	$176.11	$151.50 - $202.76
Q4 2022	160,577	$26,690	$153.87	$112.11 - $186.80
Q3 2022	251,180	$35,374	$178.97	$133.61 - $212.24
Q2 2022	277,471	$56,587	$214.62	$174.88 - $258.13
Q1 2022	356,643	$90,901	$266.04	$239.75 - $326.08
Q4 2021	342,758	$112,455	$307.32	$285.14 - $326.54
Q3 2021	341,205	$103,167	$278.11	$257.33 - $318.62
Q2 2021	332,746	$90,231	$248.03	$227.68 - $268.74
Q1 2021	302,041	$73,547	$268.89	$231.88 - $300.91
Q4 2020	307,253	$88,071	$268.73	$247.92 - $285.33
Q3 2020	310,454	$79,091	$231.93	$202.54 - $252.24
Q2 2020	306,280	$66,402	$224.85	$197.47 - $262.51
Q1 2020	265,964	$60,132	$240.43	$177.40 - $264.58
Q4 2019	265,979	$66,335	$228.21	$201.87 - $248.54
Q3 2019	238,859	$56,794	$225.06	$200.11 - $261.29
Q2 2019	120,504	$29,444	$226.56	$176.37 - $256.07
Q1 2019	104,199	$24,018	$219.75	$195.71 - $235.22
Q4 2018	110,681	$23,065	$189.46	$162.53 - $218.23
Q3 2018	116,373	$21,601	$195.39	$165.11 - $218.31
Q2 2018	102,430	$21,621	$169.69	$134.32 - $207.68
Q1 2018	86,652	$12,863	$132.07	$118.48 - $150.10
Q4 2017	78,762	$9,790	$135.32	$118.50 - $157.82
Q3 2017	76,473	$11,419	$136.33	$123.49 - $150.04
Q2 2017	78,530	$11,254	$137.24	$116.47 - $164.05
Q1 2017	50,072	$6,144	$118.09	$109.46 - $123.38
Q4 2016	40,300	$4,947	$120.22	$105.07 - $132.08
Q3 2016	40,300	$4,609	$109.60	$98.18 - $123.04
Q2 2016	54,000	$6,642	$103.44	$88.28 - $126.77
Q1 2016	59,100	$5,694	$86.42	$73.77 - $101.55
Q4 2015	44,500	$4,428	$102.36	$85.94 - $114.35
Q3 2015	49,289	$5,491	$100.98	$82.67 - $120.40
Q2 2015	54,889	$4,880	$80.63	$64.55 - $88.64
Q1 2015	38,489	$2,779	$70.91	$65.28 - $76.95
Q4 2014	42,789	$3,308	$69.59	$54.13 - $80.65
Q3 2014	52,589	$3,039	$68.77	$51.84 - $82.01
Q2 2014	52,589	$4,415	$78.24	$70.63 - $86.28
Q1 2014	54,519	$4,920	$80.28	$67.42 - $90.75
Q4 2013	82,089	$6,451	$68.72	$61.20 - $78.13
Q3 2013	81,389	$5,503	$60.15	$50.50 - $68.22
Q2 2013	51,389	$2,782	$48.72	$43.39 - $52.49