MLM — MARTIN MARIETTA MATERIALS INCToday's name, from the SEC's present-day ticker list — a present-day mapping, not the name as of each filing.

Congress trades
23
all time
Members · 12m
2
7 buys · 2 sells · by trade date
Latest filing
09-09
2026-09-09
Rows filed past the STOCK Act's 45-day window, stated on the row, never editorialised; both dates and the receipt stay on every row.
8
13F holders
852
top 500 listed · 2026-03-31
Congress: statutory ranges, filed up to 45 days after the trade · 13F: quarter-end snapshots, filed up to 45 days lateras of 2026-10-29

On Signals

1 row Ranked against each filer's own record as of its filing.Signals ↗

Stands out

MLMSELLApril McClain Delaney D–MD-6 Child$250K–$500KSizePattOthCmtefiled 3 brackets above anything in 408 prior disclosures.traded · 15d

3 brackets above anything in 408 prior disclosures.

Lead line
SELL $250K–$500K · traded → filed · 15d
Grouping
One filing
Owner
Child
Size
strong
Pattern
none
Others
none
Cmte
none
April McClain Delaney, member page
Congress 23Institutional 500

Congress · disclosure timeline

By trade date · 24 months · 14 rows ▲ buy, ▼ sell; height = lower bound (log scale); ringed = on Signals. Trade date, not filing date — the filing lag is in the table below.

14 dated disclosures in the window, placed by trade date; magnitudes are the disclosed lower bounds, against gridlines at $15K, $250K, $5M; 1 ringed mark is a line of the Signals row above, pinned in the table below.

Members active in MLM

12 months · most active first Rows = number of disclosures, not dollars. Net = lower bound of the net range. Committees as of each member's latest trade in the window (roster snapshot 2026-10-29).
Members disclosing MLM in the trailing 12 months
MemberRowsNet disclosed flow for this ticker: purchases minus sales, computed as a net range on the disclosed amounts. A lower bound is provable, never a point.Number of committees the member sat on as of their latest trade date in the window, from the cc0-legislators roster snapshot. Context, never an allegation; jurisdiction overlap needs the sector join.
April McClain Delaney D–MD-68−$479K to −$110K2
Josh Gottheimer D–NJ-51−$50.0K to −$15.0K2

2 members

Congressional disclosures

Signals rows first, then newestAll 23 rows ↗
Latest congressional filings mentioning MLM, the rows on Signals first
FiledMemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2026-09-09April McClain Delaney D–MD-6 On SignalsSELL DC (dependent-child-owned)Traded 08-25 +15d$250K–$500K
2026-09-09April McClain Delaney D–MD-6BUY DC (dependent-child-owned)Traded 08-19 +21d$1K–$15K
2026-08-03April McClain Delaney D–MD-6BUY DC (dependent-child-owned)Traded 07-24 +10d$15K–$50K
2026-08-03April McClain Delaney D–MD-6BUY DC (dependent-child-owned)Traded 07-20 +14d$1K–$15K
2026-08-03April McClain Delaney D–MD-6BUY DC (dependent-child-owned)Traded 07-17 +17d$1K–$15K
2026-06-05April McClain Delaney D–MD-6BUY DC (dependent-child-owned)Traded 05-28 +8d$1K–$15K
2026-05-19Josh Gottheimer D–NJ-5SELL JT (jointly owned)Traded 04-09 +40d$15K–$50K
2026-04-06April McClain Delaney D–MD-6BUY DC (dependent-child-owned)Traded 03-09 +28d$1K–$15K
2026-01-05April McClain Delaney D–MD-6BUY DC (dependent-child-owned)Traded 2025-12-02 +34d$1K–$15K
2025-10-10Val T. Hoyle D–OR-4SELL SP (spouse-owned)Traded 09-23 +17d$1K–$15K

13F holders · Quarter ended 2026-03-31Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt. · longs only

All holders ↗
Top institutional holders of MLM for quarter 2026-03-31, 1–25 of 852 holders
#FilerValueSecuritiesFlagsderived by Public Filings from this build's reviewed ticker-mapping holders list for this share class; that list carries each holder's share count, share change and filed date (the full holders view shows them), but no document links — the EDGAR link opens the filer's 13F list·§
1BlackRock, Inc.$2.8B1
derived ·§ EDGAR ↗
2VANGUARD CAPITAL MANAGEMENT LLC$2.3B1
derived ·§ EDGAR ↗
3VANGUARD PORTFOLIO MANAGEMENT LLC$1.9B1
derived ·§ EDGAR ↗
4STATE STREET CORP$1.7B1
derived ·§ EDGAR ↗
5FMR LLC$1.5B1
derived ·§ EDGAR ↗
6BANK OF AMERICA CORP /DE/$1.4B1
derived ·§ EDGAR ↗
7PRINCIPAL FINANCIAL GROUP INC$1.2B1
derived ·§ EDGAR ↗
8Aristotle Capital Management, LLC$1.2B1
derived ·§ EDGAR ↗
9VICTORY CAPITAL MANAGEMENT INC$964M1
derived ·§ EDGAR ↗
10GEODE CAPITAL MANAGEMENT, LLC$932M1
derived ·§ EDGAR ↗
11MORGAN STANLEY$790M1
derived ·§ EDGAR ↗
12BAILLIE GIFFORD & CO$640M1
derived ·§ EDGAR ↗
13Select Equity Group, L.P.$608M1
derived ·§ EDGAR ↗
14ALKEON CAPITAL MANAGEMENT LLC$440M1
derived ·§ EDGAR ↗
15GARDNER RUSSO & QUINN LLC$421M1
derived ·§ EDGAR ↗
16Invesco Ltd.$407M1
derived ·§ EDGAR ↗
17KING LUTHER CAPITAL MANAGEMENT CORP$392M1
derived ·§ EDGAR ↗
18NORTHERN TRUST CORP$345M1
derived ·§ EDGAR ↗
19DIMENSIONAL FUND ADVISORS LP$321M1
derived ·§ EDGAR ↗
20FRANKLIN RESOURCES INC$311M1
derived ·§ EDGAR ↗
21CIBC Bancorp USA Inc.$279M1
derived ·§ EDGAR ↗
22CHARLES SCHWAB INVESTMENT MANAGEMENT INC$271M1
derived ·§ EDGAR ↗
23MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$264M1
derived ·§ EDGAR ↗
24Bank of New York Mellon Corp$218M1
derived ·§ EDGAR ↗
25UBS Group AG$208M1
derived ·§ EDGAR ↗
Show the top 500 of 852 holders
Truncated by Public Filings. Top 500 of 852 holders shown; the rest are on EDGAR. Method ↗

Crowding — not available in this build. No holder rows for the selected period, so no percentile can be ranked.

Congress ↔ notable managers · MLM

Congress · last 90 days

Buyers
1 April McClain Delaney D–MD-6 $18K–$95K
Sellers
1 April McClain Delaney D–MD-6 $250K–$500K

filed 2026-07-31 → 2026-10-29 · statutory ranges

Notable managers · quarter ended 2026-03-31

Trimming
0 — $0 held

by shares · $ = value heldNEW + ADD vs TRIM + EXIT, by share count. $ = reported value now, not the change. · MARTIN MARIETTA MATERIALS

Merged timeline of congressional filings and notable-manager moves on MLM
DateWhoChangeSize
2026-09-09April McClain Delaney CongressSELL$250K–$500K
2026-09-09April McClain Delaney CongressBUY$1K–$15K
2026-08-03April McClain Delaney CongressBUY$15K–$50K
2026-08-03April McClain Delaney CongressBUY$1K–$15K
2026-08-03April McClain Delaney CongressBUY$1K–$15K
2026-05-15D1 Capital Partners 13FNEW+322,857 sh
2026-05-15Gotham Asset Management 13FADD+7,085 sh

7 newest, by filing date · 13F rows are quarter-end snapshots, not trades

Congress vs filers

12 months
Congress net (rows)7 buy / 2 sell
Congress net ($ bound)−$529K to −$125K
Filersnot computedThe filer side needs per-issuer quarter-over-quarter actions, which the published aggregate does not carry for this issuer. Convergence and divergence are stated only when both sides are computed.