MARTIN MARIETTA MATLS INC

Ticker: MLM CUSIP: 573284106 Class: COM

Harbor Advisors LLC's Holding History (CIK: 0001687156)

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

Q4 2025

Shares 4,500 Value ($000) $2,802 Avg Close $621.36 Range $584.22 - $664.29

Q3 2025

Shares 4,500 Value ($000) $2,836 Avg Close $594.66 Range $531.45 - $631.42

Q2 2025

Shares 4,500 Value ($000) $2,470 Avg Close $526.61 Range $440.13 - $567.46

Q1 2025

Shares 4,500 Value ($000) $2,152 Avg Close $505.20 Range $446.65 - $556.90

Q4 2024

Shares 4,500 Value ($000) $2,324 Avg Close $563.61 Range $511.73 - $628.76

Q3 2024

Shares 4,500 Value ($000) $2,422 Avg Close $536.17 Range $486.59 - $598.18

Q2 2024

Shares 4,500 Value ($000) $2,438 Avg Close $575.68 Range $522.75 - $620.53

Q1 2024

Shares 4,500 Value ($000) $2,763 Avg Close $539.98 Range $474.36 - $611.03

Q4 2023

Shares 4,500 Value ($000) $2,245 Avg Close $445.31 Range $384.97 - $495.36

Q3 2023

Shares 4,500 Value ($000) $1,847 Avg Close $436.08 Range $398.06 - $456.79

Q2 2023

Shares 4,500 Value ($000) $2,078 Avg Close $388.35 Range $326.84 - $456.09

Q1 2023

Shares 4,500 Value ($000) $1,598 Avg Close $344.80 Range $312.88 - $379.88

Q4 2022

Shares 4,500 Value ($000) $1,521 Avg Close $334.71 Range $292.50 - $366.91

Q3 2022

Shares 4,500 Value ($000) $1,449 Avg Close $331.53 Range $278.89 - $366.16

Q2 2022

Shares 4,500 Value ($000) $1,347 Avg Close $333.40 Range $285.33 - $379.53

Q1 2022

Shares 4,500 Value ($000) $1,732 Avg Close $378.22 Range $341.69 - $435.45

Q4 2021

Shares 4,500 Value ($000) $1,982 Avg Close $395.00 Range $329.03 - $434.03

Q3 2021

Shares 4,500 Value ($000) $1,538 Avg Close $353.89 Range $326.20 - $380.94

Q2 2021

Shares 4,500 Value ($000) $1,583 Avg Close $346.07 Range $320.20 - $372.54

Q1 2021

Shares 4,500 Value ($000) $1,511 Avg Close $309.80 Range $266.19 - $343.26

Q4 2020

Shares 4,500 Value ($000) $1,278 Avg Close $257.79 Range $223.03 - $278.66

Q3 2020

Shares 4,500 Value ($000) $1,059 Avg Close $208.84 Range $194.44 - $230.80

Q2 2020

Shares 4,500 Value ($000) $930 Avg Close $185.11 Range $146.14 - $222.29

Q1 2020

Shares 4,500 Value ($000) $852 Avg Close $229.61 Range $129.93 - $270.42

Q4 2019

Shares 4,500 Value ($000) $1,258 Avg Close $255.58 Range $236.77 - $269.80

Q3 2019

Shares 4,500 Value ($000) $1,233 Avg Close $236.37 Range $210.80 - $264.29

Q2 2019

Shares 4,500 Value ($000) $1,035 Avg Close $206.71 Range $192.17 - $222.10

Q1 2019

Shares 4,500 Value ($000) $905 Avg Close $177.65 Range $159.40 - $194.31

Q4 2018

Shares 4,500 Value ($000) $773 Avg Close $168.62 Range $143.00 - $188.89

Q3 2018

Shares 4,500 Value ($000) $819 Avg Close $195.48 Range $171.26 - $216.72

Q2 2018

Shares 4,500 Value ($000) $1,005 Avg Close $201.62 Range $178.77 - $220.40

Q1 2018

Shares 4,500 Value ($000) $933 Avg Close $204.42 Range $185.70 - $227.45

Q4 2017

Shares 4,500 Value ($000) $995 Avg Close $197.06 Range $188.35 - $209.65

Q3 2017

Shares 4,500 Value ($000) $928 Avg Close $198.51 Range $179.35 - $216.80

Q2 2017

Shares 4,500 Value ($000) $1,002 Avg Close $212.10 Range $196.20 - $228.88

Q1 2017

Shares 4,500 Value ($000) $982 Avg Close $206.40 Range $189.02 - $228.13

Q4 2016

Shares 4,500 Value ($000) $997 Avg Close $191.92 Range $155.90 - $220.62

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,500	$2,802	$621.36	$584.22 - $664.29
Q3 2025	4,500	$2,836	$594.66	$531.45 - $631.42
Q2 2025	4,500	$2,470	$526.61	$440.13 - $567.46
Q1 2025	4,500	$2,152	$505.20	$446.65 - $556.90
Q4 2024	4,500	$2,324	$563.61	$511.73 - $628.76
Q3 2024	4,500	$2,422	$536.17	$486.59 - $598.18
Q2 2024	4,500	$2,438	$575.68	$522.75 - $620.53
Q1 2024	4,500	$2,763	$539.98	$474.36 - $611.03
Q4 2023	4,500	$2,245	$445.31	$384.97 - $495.36
Q3 2023	4,500	$1,847	$436.08	$398.06 - $456.79
Q2 2023	4,500	$2,078	$388.35	$326.84 - $456.09
Q1 2023	4,500	$1,598	$344.80	$312.88 - $379.88
Q4 2022	4,500	$1,521	$334.71	$292.50 - $366.91
Q3 2022	4,500	$1,449	$331.53	$278.89 - $366.16
Q2 2022	4,500	$1,347	$333.40	$285.33 - $379.53
Q1 2022	4,500	$1,732	$378.22	$341.69 - $435.45
Q4 2021	4,500	$1,982	$395.00	$329.03 - $434.03
Q3 2021	4,500	$1,538	$353.89	$326.20 - $380.94
Q2 2021	4,500	$1,583	$346.07	$320.20 - $372.54
Q1 2021	4,500	$1,511	$309.80	$266.19 - $343.26
Q4 2020	4,500	$1,278	$257.79	$223.03 - $278.66
Q3 2020	4,500	$1,059	$208.84	$194.44 - $230.80
Q2 2020	4,500	$930	$185.11	$146.14 - $222.29
Q1 2020	4,500	$852	$229.61	$129.93 - $270.42
Q4 2019	4,500	$1,258	$255.58	$236.77 - $269.80
Q3 2019	4,500	$1,233	$236.37	$210.80 - $264.29
Q2 2019	4,500	$1,035	$206.71	$192.17 - $222.10
Q1 2019	4,500	$905	$177.65	$159.40 - $194.31
Q4 2018	4,500	$773	$168.62	$143.00 - $188.89
Q3 2018	4,500	$819	$195.48	$171.26 - $216.72
Q2 2018	4,500	$1,005	$201.62	$178.77 - $220.40
Q1 2018	4,500	$933	$204.42	$185.70 - $227.45
Q4 2017	4,500	$995	$197.06	$188.35 - $209.65
Q3 2017	4,500	$928	$198.51	$179.35 - $216.80
Q2 2017	4,500	$1,002	$212.10	$196.20 - $228.88
Q1 2017	4,500	$982	$206.40	$189.02 - $228.13
Q4 2016	4,500	$997	$191.92	$155.90 - $220.62