SEI Investments’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
Q2 | $79M | Sell |
136,930
-8,842
| -6% | -$5.24M | 0.07% | 304 |
|
|
2026
Q1 | $85.8M | Sell |
145,772
-5,342
| -4% | -$3.41M | 0.08% | 273 |
|
|
2025
Q4 | $94.1M | Sell |
151,114
-8,811
| -6% | -$5.48M | 0.09% | 221 |
|
|
2025
Q3 | $101M | Sell |
159,925
-236
| -0.1% | -$141K | 0.11% | 175 |
|
|
2025
Q2 | $87.9M | Sell |
160,161
-12,016
| -7% | -$6.35M | 0.1% | 208 |
|
|
2025
Q1 | $82.3M | Buy |
172,177
+14,673
| +9% | +$7.45M | 0.11% | 206 |
|
|
2024
Q4 | $81.4M | Sell |
157,504
-2,070
| -1% | -$1.17M | 0.1% | 202 |
|
|
2024
Q3 | $85.9M | Buy |
159,574
+13,124
| +9% | +$7.09M | 0.11% | 189 |
|
|
2024
Q2 | $79.3M | Sell |
146,450
-2,577
| -2% | -$1.5M | 0.11% | 182 |
|
|
2024
Q1 | $91.5M | Sell |
149,027
-118
| -0.1% | -$64.4K | 0.13% | 148 |
|
|
2023
Q4 | $74.4M | Buy |
149,145
+2,564
| +2% | +$1.16M | 0.12% | 167 |
|
|
2023
Q3 | $60.2M | Buy |
146,581
+10,875
| +8% | +$4.81M | 0.11% | 181 |
|
|
2023
Q2 | $62.7M | Sell |
135,706
-2,068
| -2% | -$816K | 0.11% | 175 |
|
|
2023
Q1 | $48.9M | Buy |
137,774
+11,156
| +9% | +$3.91M | 0.09% | 234 |
|
|
2022
Q4 | $42.8M | Buy |
126,618
+6,208
| +5% | +$2.12M | 0.1% | 223 |
|
|
2022
Q3 | $38.8M | Sell |
120,410
-3,039
| -2% | -$1.03M | 0.09% | 244 |
|
|
2022
Q2 | $36.9M | Buy |
123,449
+3,376
| +3% | +$1.15M | 0.08% | 276 |
|
|
2022
Q1 | $46.2M | Buy |
120,073
+635
| +0.5% | +$246K | 0.09% | 221 |
|
|
2021
Q4 | $52.6M | Buy |
119,438
+16,269
| +16% | +$6.59M | 0.1% | 216 |
|
|
2021
Q3 | $35.3M | Buy |
103,169
+6,498
| +7% | +$2.36M | 0.07% | 281 |
|
|
2021
Q2 | $34M | Buy |
96,671
+399
| +0.4% | +$142K | 0.08% | 259 |
|
|
2021
Q1 | $32.3M | Sell |
96,272
-1,123
| -1% | -$359K | 0.08% | 246 |
|
|
2020
Q4 | $27.7M | Sell |
97,395
-4,130
| -4% | -$1.1M | 0.07% | 276 |
|
|
2020
Q3 | $23.9M | Sell |
101,525
-3,285
| -3% | -$711K | 0.07% | 272 |
|
|
2020
Q2 | $21.7M | Buy |
104,810
+10,925
| +12% | +$2.1M | 0.07% | 285 |
|
|
2020
Q1 | $17.8M | Buy |
93,885
+11,032
| +13% | +$2.64M | 0.07% | 286 |
|
|
2019
Q4 | $23.2M | Buy |
82,853
+9,877
| +14% | +$2.63M | 0.07% | 276 |
|
|
2019
Q3 | $20M | Sell |
72,976
-9,646
| -12% | -$2.38M | 0.05% | 328 |
|
|
2019
Q2 | $19M | Sell |
82,622
-6,291
| -7% | -$1.36M | 0.06% | 310 |
|
|
2019
Q1 | $17.9M | Sell |
88,913
-66,918
| -43% | -$12.5M | 0.06% | 332 |
|
|
2018
Q4 | $28.4M | Hold |
155,831
| – | – | 0.1% | 200 |
|
|
2018
Q3 | $28.4M | Buy |
155,831
+23,009
| +17% | +$4.75M | 0.1% | 189 |
|
|
2018
Q2 | $29.7M | Sell |
132,822
-919
| -0.7% | -$196K | 0.1% | 190 |
|
|
2018
Q1 | $27.7M | Sell |
133,741
-4,830
| -3% | -$1.05M | 0.11% | 187 |
|
|
2017
Q4 | $30.6M | Buy |
138,571
+18,209
| +15% | +$3.81M | 0.11% | 185 |
|
|
2017
Q3 | $24.8M | Buy |
120,362
+24,465
| +26% | +$5.17M | 0.09% | 245 |
|
|
2017
Q2 | $21.3M | Buy |
95,897
+1,394
| +1% | +$315K | 0.09% | 270 |
|
|
2017
Q1 | $20.6M | Buy |
94,503
+35,209
| +59% | +$7.77M | 0.09% | 252 |
|
|
2016
Q4 | $13.1M | Buy |
59,294
+10,792
| +22% | +$2.22M | 0.06% | 393 |
|
|
2016
Q3 | $8.69M | Buy |
48,502
+33,856
| +231% | +$6.46M | 0.04% | 495 |
|
|
2016
Q2 | $2.81M | Sell |
14,646
-9,611
| -40% | -$1.72M | 0.02% | 876 |
|
|
2016
Q1 | $3.87M | Sell |
24,257
-24,740
| -50% | -$3.4M | 0.02% | 705 |
|
|
2015
Q4 | $6.69M | Buy |
48,997
+8
| +0% | +$1.21K | 0.04% | 544 |
|
|
2015
Q3 | $7.44M | Buy |
48,989
+19,770
| +68% | +$3.2M | 0.07% | 335 |
|
|
2015
Q2 | $4.13M | Buy |
29,219
+11,394
| +64% | +$1.66M | 0.04% | 522 |
|
|
2015
Q1 | $2.49M | Sell |
17,825
-8,761
| -33% | -$1.13M | 0.02% | 669 |
|
|
2014
Q4 | $2.93M | Buy |
+26,586
| New | +$3.14M | 0.03% | 574 |
|
Other funds holding MLM
SEI Investments's MLM Position: Q2 2026 in Review
SEI Investments reduced its Martin Marietta Materials (MLM) stake by 6.1% in Q2 2026, selling an estimated $5.24M and leaving 136,930 shares worth $79M. The position accounts for 0.07% of the portfolio, ranked #304.
SEI Investments first reported a position in MLM in Q4 2014 and has held it in 47 quarters since. The position peaked at $101M in Q3 2025. 1,076 funds tracked by Wall St. Rank hold MLM as of Q2 2026.
- SEI Investments held 136,930 shares of Martin Marietta Materials worth $79M as of Q2 2026.
- SEI Investments sold 8,842 Martin Marietta Materials shares in Q2 2026, an estimated $5.24M.
- Martin Marietta Materials made up 0.07% of SEI Investments's portfolio in Q2 2026, its #304 holding.
- SEI Investments first reported a position in Martin Marietta Materials in Q4 2014 and has held it in 47 quarters since.
- SEI Investments's Martin Marietta Materials position peaked at $101M in Q3 2025.
- 1,076 funds tracked by Wall St. Rank held Martin Marietta Materials as of Q2 2026.
Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.