Stone Run Capital’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
2025
Q3
$9.62M Sell
15,263
-535
-3% -$319K 3.79% 6
2025
Q2
$8.67M Sell
15,798
-35
-0.2% -$18.5K 3.47% 8
2025
Q1
$7.57M Buy
15,833
+70
+0.4% +$35.5K 3.19% 8
2024
Q4
$8.14M Sell
15,763
-495
-3% -$281K 3.2% 8
2024
Q3
$8.75M Sell
16,258
-25
-0.2% -$13.5K 3.26% 9
2024
Q2
$8.82M Sell
16,283
-1,015
-6% -$590K 3.52% 7
2024
Q1
$10.6M Sell
17,298
-1,875
-10% -$1.02M 4.06% 1
2023
Q4
$9.57M Sell
19,173
-3,390
-15% -$1.53M 4.1% 3
2023
Q3
$9.26M Sell
22,563
-820
-4% -$363K 4.54% 1
2023
Q2
$10.8M Buy
23,383
+75
+0.3% +$29.6K 4.8% 1
2023
Q1
$8.28M Sell
23,308
-3,325
-12% -$1.17M 3.96% 6
2022
Q4
$9M Sell
26,633
-710
-3% -$242K 4.55% 2
2022
Q3
$8.81M Sell
27,343
-100
-0.4% -$33.9K 4.75% 2
2022
Q2
$8.21M Buy
27,443
+50
+0.2% +$17.1K 4.13% 4
2022
Q1
$10.5M Sell
27,393
-462
-2% -$179K 3.9% 4
2021
Q4
$12.3M Sell
27,855
-1,400
-5% -$567K 3.96% 4
2021
Q3
$10M Buy
29,255
+225
+0.8% +$81.8K 3.43% 8
2021
Q2
$10.2M Sell
29,030
-500
-2% -$178K 3.6% 6
2021
Q1
$9.92M Sell
29,530
-90
-0.3% -$28.7K 3.79% 4
2020
Q4
$8.41M Sell
29,620
-1,260
-4% -$336K 3.34% 10
2020
Q3
$7.27M Sell
30,880
-1,775
-5% -$384K 3.32% 10
2020
Q2
$6.75M Buy
32,655
+7,125
+28% +$1.37M 3.34% 8
2020
Q1
$4.83M Sell
25,530
-10,265
-29% -$2.45M 2.77% 16
2019
Q4
$10M Sell
35,795
-1,000
-3% -$267K 4.45% 1
2019
Q3
$10.1M Sell
36,795
-4,830
-12% -$1.19M 4.8% 1
2019
Q2
$9.58M Sell
41,625
-1,500
-3% -$325K 4.37% 2
2019
Q1
$8.68M Buy
43,125
+2,800
+7% +$523K 4.27% 1
2018
Q4
$6.93M Buy
40,325
+11,750
+41% +$2.09M 4.32% 1
2018
Q3
$5.2M Buy
+28,575
New +$5.9M 2.39% 16

Other funds holding MLM

Stone Run Capital's MLM Position: Q3 2025 in Review

Stone Run Capital reduced its Martin Marietta Materials (MLM) stake by 3.4% in Q3 2025, selling an estimated $319K and leaving 15,263 shares worth $9.62M. The position accounts for 3.79% of the portfolio, ranked #6.

Stone Run Capital first reported a position in MLM in Q3 2018 and has held it in 29 quarters since. The position peaked at $12.3M in Q4 2021. 1,051 funds tracked by Wall St. Rank hold MLM as of Q3 2025.

  • Stone Run Capital held 15,263 shares of Martin Marietta Materials worth $9.62M as of Q3 2025.
  • Stone Run Capital sold 535 Martin Marietta Materials shares in Q3 2025, an estimated $319K.
  • Martin Marietta Materials made up 3.79% of Stone Run Capital's portfolio in Q3 2025, its #6 holding.
  • Stone Run Capital first reported a position in Martin Marietta Materials in Q3 2018 and has held it in 29 quarters since.
  • Stone Run Capital's Martin Marietta Materials position peaked at $12.3M in Q4 2021.
  • 1,051 funds tracked by Wall St. Rank held Martin Marietta Materials as of Q3 2025.

Based on Stone Run Capital's 13F filing for Q3 2025, filed 14 Nov 2025.