Amica Mutual Insurance’s Martin Marietta Materials MLM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$4.56M Buy
7,741
+1,904
+33% +$1.22M 0.39% 66
2025
Q4
$3.63M Hold
5,837
0.32% 68
2025
Q3
$3.68M Hold
5,837
0.34% 66
2025
Q2
$3.2M Sell
5,837
-4,972
-46% -$2.63M 0.31% 69
2025
Q1
$5.17M Buy
10,809
+668
+7% +$339K 0.57% 50
2024
Q4
$5.24M Sell
10,141
-6,220
-38% -$3.53M 0.54% 51
2024
Q3
$8.81M Hold
16,361
0.85% 30
2024
Q2
$8.86M Sell
16,361
-1,166
-7% -$678K 0.88% 28
2024
Q1
$10.8M Hold
17,527
1.1% 22
2023
Q4
$8.74M Hold
17,527
0.94% 27
2023
Q3
$7.19M Hold
17,527
0.85% 33
2023
Q2
$8.09M Sell
17,527
-1,524
-8% -$601K 0.92% 31
2023
Q1
$6.76M Buy
19,051
+4,871
+34% +$1.71M 0.75% 42
2022
Q4
$4.79M Sell
14,180
-5,746
-29% -$1.96M 0.61% 47
2022
Q3
$6.42M Sell
19,926
-540
-3% -$183K 0.91% 37
2022
Q2
$6.12M Buy
20,466
+4,815
+31% +$1.64M 0.78% 45
2022
Q1
$6.02M Sell
15,651
-1,256
-7% -$487K 0.71% 48
2021
Q4
$7.45M Sell
16,907
-1,665
-9% -$675K 0.63% 47
2021
Q3
$6.35M Hold
18,572
0.66% 55
2021
Q2
$6.53M Buy
18,572
+5,681
+44% +$2.02M 0.69% 54
2021
Q1
$4.33M Buy
12,891
+5,439
+73% +$1.74M 0.49% 70
2020
Q4
$2.12M Buy
7,452
+3,799
+104% +$1.01M 0.23% 107
2020
Q3
$860K Hold
3,653
0.1% 145
2020
Q2
$755K Hold
3,653
0.09% 177
2020
Q1
$691K Buy
3,653
+1,664
+84% +$398K 0.1% 198
2019
Q4
$556K Hold
1,989
0.07% 271
2019
Q3
$545K Hold
1,989
0.07% 277
2019
Q2
$458K Hold
1,989
0.06% 294
2019
Q1
$400K Hold
1,989
0.05% 308
2018
Q4
$342K Buy
+1,989
New +$353K 0.04% 315

Other funds holding MLM

Amica Mutual Insurance's MLM Position: Q1 2026 in Review

Amica Mutual Insurance increased its Martin Marietta Materials (MLM) stake by 33% in Q1 2026, buying an estimated $1.22M and bringing the position to 7,741 shares worth $4.56M. The position accounts for 0.39% of the portfolio, ranked #66.

Amica Mutual Insurance first reported a position in MLM in Q4 2018 and has held it in 30 quarters since. The position peaked at $10.8M in Q1 2024. 1,069 funds tracked by Wall St. Rank hold MLM as of Q1 2026.

  • Amica Mutual Insurance held 7,741 shares of Martin Marietta Materials worth $4.56M as of Q1 2026.
  • Amica Mutual Insurance bought 1,904 Martin Marietta Materials shares in Q1 2026, an estimated $1.22M.
  • Martin Marietta Materials made up 0.39% of Amica Mutual Insurance's portfolio in Q1 2026, its #66 holding.
  • Amica Mutual Insurance first reported a position in Martin Marietta Materials in Q4 2018 and has held it in 30 quarters since.
  • Amica Mutual Insurance's Martin Marietta Materials position peaked at $10.8M in Q1 2024.
  • 1,069 funds tracked by Wall St. Rank held Martin Marietta Materials as of Q1 2026.

Based on Amica Mutual Insurance's 13F filing for Q1 2026, filed 6 May 2026.