MARTIN MARIETTA MATLS INC

Ticker: MLM CUSIP: 573284106 Class: COM

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q4 2025

Shares 270,203 Value ($000) $168,245 Avg Close $621.36 Range $584.22 - $664.29

Q3 2025

Shares 277,356 Value ($000) $174,812 Avg Close $594.66 Range $531.45 - $631.42

Q2 2025

Shares 286,715 Value ($000) $157,395 Avg Close $526.61 Range $440.13 - $567.46

Q1 2025

Shares 292,752 Value ($000) $139,974 Avg Close $505.20 Range $446.65 - $556.90

Q4 2024

Shares 438,202 Value ($000) $226,331 Avg Close $563.61 Range $511.73 - $628.76

Q3 2024

Shares 415,475 Value ($000) $223,629 Avg Close $536.17 Range $486.59 - $598.18

Q2 2024

Shares 374,811 Value ($000) $203,073 Avg Close $575.68 Range $522.75 - $620.53

Q1 2024

Shares 371,213 Value ($000) $227,903 Avg Close $539.98 Range $474.36 - $611.03

Q4 2023

Shares 332,389 Value ($000) $165,832 Avg Close $445.31 Range $384.97 - $495.36

Q3 2023

Shares 201,832 Value ($000) $82,848 Avg Close $436.08 Range $398.06 - $456.79

Q2 2023

Shares 520,066 Value ($000) $240,109 Avg Close $388.35 Range $326.84 - $456.09

Q1 2023

Shares 420,818 Value ($000) $149,416 Avg Close $344.80 Range $312.88 - $379.88

Q4 2022

Shares 502,449 Value ($000) $169,813 Avg Close $334.71 Range $292.50 - $366.91

Q3 2022

Shares 532,490 Value ($000) $171,510 Avg Close $331.53 Range $278.89 - $366.16

Q2 2022

Shares 308,401 Value ($000) $92,286 Avg Close $333.40 Range $285.33 - $379.53

Q1 2022

Shares 315,379 Value ($000) $121,386 Avg Close $378.22 Range $341.69 - $435.45

Q4 2021

Shares 675,613 Value ($000) $297,621 Avg Close $395.00 Range $329.03 - $434.03

Q3 2021

Shares 848,812 Value ($000) $290,022 Avg Close $353.89 Range $326.20 - $380.94

Q2 2021

Shares 968,012 Value ($000) $340,556 Avg Close $346.07 Range $320.20 - $372.54

Q1 2021

Shares 982,332 Value ($000) $329,887 Avg Close $309.80 Range $266.19 - $343.26

Q4 2020

Shares 1,161,160 Value ($000) $329,735 Avg Close $257.79 Range $223.03 - $278.66

Q3 2020

Shares 1,176,415 Value ($000) $276,881 Avg Close $208.84 Range $194.44 - $230.80

Q2 2020

Shares 1,193,809 Value ($000) $246,605 Avg Close $185.11 Range $146.14 - $222.29

Q1 2020

Shares 1,139,759 Value ($000) $215,677 Avg Close $229.61 Range $129.93 - $270.42

Q4 2019

Shares 1,038,447 Value ($000) $290,391 Avg Close $255.58 Range $236.77 - $269.80

Q3 2019

Shares 1,015,610 Value ($000) $278,379 Avg Close $236.37 Range $210.80 - $264.29

Q2 2019

Shares 995,055 Value ($000) $228,972 Avg Close $206.71 Range $192.17 - $222.10

Q1 2019

Shares 1,005,058 Value ($000) $202,198 Avg Close $177.65 Range $159.40 - $194.31

Q4 2018

Shares 1,011,045 Value ($000) $173,768 Avg Close $168.62 Range $143.00 - $188.89

Q3 2018

Shares 1,021,729 Value ($000) $185,904 Avg Close $195.48 Range $171.26 - $216.72

Q2 2018

Shares 965,128 Value ($000) $215,542 Avg Close $201.62 Range $178.77 - $220.40

Q1 2018

Shares 798,129 Value ($000) $165,452 Avg Close $204.42 Range $185.70 - $227.45

Q4 2017

Shares 753,144 Value ($000) $166,475 Avg Close $197.06 Range $188.35 - $209.65

Q3 2017

Shares 595,756 Value ($000) $122,863 Avg Close $198.51 Range $179.35 - $216.80

Q2 2017

Shares 465,283 Value ($000) $103,563 Avg Close $212.10 Range $196.20 - $228.88

Q1 2017

Shares 379,448 Value ($000) $82,815 Avg Close $206.40 Range $189.02 - $228.13

Q4 2016

Shares 345,680 Value ($000) $76,578 Avg Close $191.92 Range $155.90 - $220.62

Q3 2016

Shares 277,407 Value ($000) $49,686 Avg Close $177.91 Range $160.97 - $192.15

Q2 2016

Shares 275,092 Value ($000) $52,818 Avg Close $166.34 Range $145.28 - $180.15

Q1 2016

Shares 143,809 Value ($000) $22,939 Avg Close $127.52 Range $100.36 - $148.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	270,203	$168,245	$621.36	$584.22 - $664.29
Q3 2025	277,356	$174,812	$594.66	$531.45 - $631.42
Q2 2025	286,715	$157,395	$526.61	$440.13 - $567.46
Q1 2025	292,752	$139,974	$505.20	$446.65 - $556.90
Q4 2024	438,202	$226,331	$563.61	$511.73 - $628.76
Q3 2024	415,475	$223,629	$536.17	$486.59 - $598.18
Q2 2024	374,811	$203,073	$575.68	$522.75 - $620.53
Q1 2024	371,213	$227,903	$539.98	$474.36 - $611.03
Q4 2023	332,389	$165,832	$445.31	$384.97 - $495.36
Q3 2023	201,832	$82,848	$436.08	$398.06 - $456.79
Q2 2023	520,066	$240,109	$388.35	$326.84 - $456.09
Q1 2023	420,818	$149,416	$344.80	$312.88 - $379.88
Q4 2022	502,449	$169,813	$334.71	$292.50 - $366.91
Q3 2022	532,490	$171,510	$331.53	$278.89 - $366.16
Q2 2022	308,401	$92,286	$333.40	$285.33 - $379.53
Q1 2022	315,379	$121,386	$378.22	$341.69 - $435.45
Q4 2021	675,613	$297,621	$395.00	$329.03 - $434.03
Q3 2021	848,812	$290,022	$353.89	$326.20 - $380.94
Q2 2021	968,012	$340,556	$346.07	$320.20 - $372.54
Q1 2021	982,332	$329,887	$309.80	$266.19 - $343.26
Q4 2020	1,161,160	$329,735	$257.79	$223.03 - $278.66
Q3 2020	1,176,415	$276,881	$208.84	$194.44 - $230.80
Q2 2020	1,193,809	$246,605	$185.11	$146.14 - $222.29
Q1 2020	1,139,759	$215,677	$229.61	$129.93 - $270.42
Q4 2019	1,038,447	$290,391	$255.58	$236.77 - $269.80
Q3 2019	1,015,610	$278,379	$236.37	$210.80 - $264.29
Q2 2019	995,055	$228,972	$206.71	$192.17 - $222.10
Q1 2019	1,005,058	$202,198	$177.65	$159.40 - $194.31
Q4 2018	1,011,045	$173,768	$168.62	$143.00 - $188.89
Q3 2018	1,021,729	$185,904	$195.48	$171.26 - $216.72
Q2 2018	965,128	$215,542	$201.62	$178.77 - $220.40
Q1 2018	798,129	$165,452	$204.42	$185.70 - $227.45
Q4 2017	753,144	$166,475	$197.06	$188.35 - $209.65
Q3 2017	595,756	$122,863	$198.51	$179.35 - $216.80
Q2 2017	465,283	$103,563	$212.10	$196.20 - $228.88
Q1 2017	379,448	$82,815	$206.40	$189.02 - $228.13
Q4 2016	345,680	$76,578	$191.92	$155.90 - $220.62
Q3 2016	277,407	$49,686	$177.91	$160.97 - $192.15
Q2 2016	275,092	$52,818	$166.34	$145.28 - $180.15
Q1 2016	143,809	$22,939	$127.52	$100.36 - $148.84