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GW&K Investment Management’s Martin Marietta Materials MLM Stock Holding History

GW&K Investment Management’s Portfolio MLM Stock Details MLM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$20.2M Sell
35,083
-671
-2% -$398K 0.16% 217
2026
Q1 		$21M Sell
35,754
-909
-2% -$580K 0.19% 189
2025
Q4 		$22.8M Buy
36,663
+43
+0.1% +$26.7K 0.2% 187
2025
Q3 		$23.1M Sell
36,620
-1,471
-4% -$877K 0.2% 180
2025
Q2 		$20.9M Sell
38,091
-946
-2% -$500K 0.19% 194
2025
Q1 		$18.7M Buy
39,037
+3,143
+9% +$1.6M 0.17% 206
2024
Q4 		$18.5M Buy
35,894
+7,809
+28% +$4.43M 0.16% 215
2024
Q3 		$15.1M Buy
28,085
+28,000
+32,941% +$15.1M 0.13% 233
2024
Q2 		$46K Buy
85
+2
+2% +$1.16K ﹤0.01% 453
2024
Q1 		$51K Buy
83
+52
+168% +$28.4K ﹤0.01% 425
2023
Q4 		$15K Hold
31
– – ﹤0.01% 574
2023
Q3 		$13K Buy
31
+29
+1,450% +$12.8K ﹤0.01% 554
2023
Q2 		$1K Buy
+2
New +$789 ﹤0.01% 879
2022
Q3 		– Sell
-2
Closed -$1K – 668
2022
Q2 		$1K Sell
2
-11
-85% -$3.75K ﹤0.01% 813
2022
Q1 		$5K Buy
+13
New +$5.04K ﹤0.01% 549

Other funds holding MLM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
Aristotle Capital Management
Aristotle Capital Management Los Angeles, California $47.7B AUM 13.92% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

GW&K Investment Management's MLM Position: Q2 2026 in Review

GW&K Investment Management reduced its Martin Marietta Materials (MLM) stake by 1.9% in Q2 2026, selling an estimated $398K and leaving 35,083 shares worth $20.2M. The position accounts for 0.16% of the portfolio, ranked #217.

GW&K Investment Management first reported a position in MLM in Q1 2022 and has held it in 15 quarters since. The position peaked at $23.1M in Q3 2025. 1,069 funds tracked by Wall St. Rank hold MLM as of Q2 2026.

  • GW&K Investment Management held 35,083 shares of Martin Marietta Materials worth $20.2M as of Q2 2026.
  • GW&K Investment Management sold 671 Martin Marietta Materials shares in Q2 2026, an estimated $398K.
  • Martin Marietta Materials made up 0.16% of GW&K Investment Management's portfolio in Q2 2026, its #217 holding.
  • GW&K Investment Management first reported a position in Martin Marietta Materials in Q1 2022 and has held it in 15 quarters since.
  • GW&K Investment Management's Martin Marietta Materials position peaked at $23.1M in Q3 2025.
  • 1,069 funds tracked by Wall St. Rank held Martin Marietta Materials as of Q2 2026.

Based on GW&K Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.