Martin Marietta Materials

MLM13F as of Jun 30, 2026 · next update ~Nov 14

Who's buying MLM

Top funds mostly added to Martin Marietta Materials in Q2 (Apr⁠–⁠Jun)

Buying:

Funds2InsidersCongress1

Top funds
2 of 3 bought more, 1 sold some. Largest: TCI Fund Management, $758.4M (1% of its portfolio).
Insiders
No buys or sales in 12 months.
Congress
1 member bought (7 trades), 1 sale in 12 months.

3 funds$1.2B held2.6% avg. weightQ2: 2 bought / 1 sold

13F reports are a snapshot as of Jun 30, 2026; funds may have traded since.

Share price · market data, not from 13F reports

Q2 2026

Congressional trading

Last 2 years · 8 disclosed trades

Members1

Date	Member	Type	Amount
Aug 25, 2026	April McClain Delaney D · House · MD-06	Sold	$250K–$500K
Aug 19, 2026	April McClain Delaney D · House · MD-06	Bought	$1K–$15K
Jul 24, 2026	April McClain Delaney D · House · MD-06	Bought	$15K–$50K
Jul 20, 2026	April McClain Delaney D · House · MD-06	Bought	$1K–$15K
Jul 17, 2026	April McClain Delaney D · House · MD-06	Bought	$1K–$15K
May 28, 2026	April McClain Delaney D · House · MD-06	Bought	$1K–$15K
Mar 9, 2026	April McClain Delaney D · House · MD-06	Bought	$1K–$15K
Dec 2, 2025	April McClain Delaney D · House · MD-06	Bought	$1K–$15K