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MLM Martin Marietta Materials

Materials, filed as MARTIN MARIETTA MATLS INC (COM), Equity As of 2026 Q3 among managers we track Quote on Google Finance, opens in a new tab

Bought by 4 managers in 2026 Q2

  • 1 Owner
  • Max 10.6%
  • $65M
  • 1 reduce

In 2026 Q3 Andrew Steginsky trimmed Martin Marietta Materials.

Who owns this now

Largest portfolio weights among holders, up to 10.6% (Andrew Steginsky, Steginsky Capital). Not free-float ownership.

  1. Andrew Steginsky Reduce 10.6%

Who owns MLM

Sorted by value, long equity only, as of 2026 Q3.

History
Andrew Steginsky, Steginsky Capital 10.6%, was 12.0% Reduce −2.5% 135,021 $65M History

Weight bar: held both quarters added sold at this quarter’s reported price

Insider trades

Open-market buys and sales by MLM's executives, directors and 10% owners in the last 12 months, from their Form 4s

All MLM insider trades
  • None no insider bought on the open market
  • None no sales outside a trading plan
  • None no planned (10b5-1) sales

No open-market buys or sales on file.

Also filed in the last 12 months, not counted as buying or selling: 39 stock grants, 20 share withholdings for taxes, and 1 gift.

Congress

4 members of Congress traded MLM in the last three years: 9 buys and 5 sales. 5 members listed it in 2025 annual reports.

All Congress trades
  1. April McClain Delaney D-MD-6Child Sell $250K–$500K Aug 25 filed Sep 9
  2. April McClain Delaney D-MD-6Child Buy $1K–$15K Aug 19 filed Sep 9
  3. April McClain Delaney D-MD-6Child Buy $15K–$50K Jul 24 filed Aug 3
  4. April McClain Delaney D-MD-6Child Buy $1K–$15K Jul 20 filed Aug 3
  5. April McClain Delaney D-MD-6Child Buy $1K–$15K Jul 17 filed Aug 3
  6. April McClain Delaney D-MD-6Child Buy $1K–$15K May 28 filed Jun 5

SEC filings

Recent issuer filings from EDGAR, 21 shown.

Filed Form Detail Links
8-K 1.01,9.01
SCHEDULE 13D —
8-K 1.01,2.01,3.02,5.02,7.01,9.01
8-K 1.01,1.02,2.03,9.01
8-K 1.01,2.03,8.01,9.01
424B2
8-K 1.01,7.01,9.01
8-K 8.01,9.01
424B5
SCHEDULE 13G —
8-K 8.01,9.01
8-K 5.02
8-K 2.02,7.01,9.01
10-Q
8-K 1.01,2.03,9.01
8-K 7.01,9.01
8-K 1.01,3.02,8.01,9.01
8-K 5.02,5.07,9.01
SCHEDULE 13G —
8-K 2.02,7.01
10-Q

Financials

US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.

Income statement

Metric FY2023 FY2024 FY2025
Revenue $6.78B $6.54B $6.15B
Gross profit $2.02B $1.88B $1.89B
Gross margin * 29.8% 28.7% 30.7%
Net income $1.17B $2B $1.14B
Net margin * 17.2% 30.5% 18.5%

Balance sheet

Metric FY2023 FY2024 FY2025
Total current assets $3.92B $2.54B $3.19B
Total non-current assets * $11.21B $15.63B $15.52B
Total assets $15.12B $18.17B $18.71B
Total current liabilities $1.17B $1.02B $0.895B
Total non-current liabilities * $5.92B $7.7B $7.78B
Total equity $8.03B $9.45B $10.03B

Cash flow

Metric FY2023 FY2024 FY2025
Cash from operations $1.53B $1.46B $1.78B
Cash from investing $0.459B -$2.44B -$1.59B
Cash from financing -$1.06B $0.373B -$0.8B
Net change in cash $923.5M -$612M -$603M

Ownership over time

13Fs that reported it each quarter. Click a bar for that quarter’s holders.