Why Martin Marietta Materials (MLM) Stock Is Down Today

Martin Marietta Materials (MLM) is down 3.3% today. Here is some analysis on what might have caused this price movement. ([sec.gov](https://www.sec.gov/Archives/edgar/data/916076/000095015726001024/form8-k.htm))

Analysis: A single company-specific catalyst is not obvious, so the move appears tied to investor caution around the balance-sheet impact of Martin Marietta’s large Lhoist North America deal and the financing put in place to complete it. This could also be because Wall Street has turned more selective on construction-materials names after several recent price-target cuts and concerns about near-term margin pressure. ([sec.gov](https://www.sec.gov/Archives/edgar/data/916076/000119312526346914/d149482dex991.htm?utm_source=openai))

Details:

Martin Marietta agreed in June to buy Lhoist North America in a $13.5 billion cash-and-stock transaction, a deal big enough to reshape the company’s portfolio and leverage profile. ([sec.gov](https://www.sec.gov/Archives/edgar/data/916076/000095015726000758/ex99-1.htm?utm_source=openai))

The company later raised $5.5 billion through multiple senior note tranches and paired that with a $1.5 billion senior unsecured term loan facility to fund the cash portion of the acquisition. ([sec.gov](https://www.sec.gov/Archives/edgar/data/916076/000119312526352270/d103352d8k.htm?utm_source=openai))

A filing dated September 15 shows Martin Marietta also extended a $500 million trade receivables securitization facility to September 15, 2027, with borrowings priced at adjusted term SOFR plus 0.700%. ([sec.gov](https://www.sec.gov/Archives/edgar/data/916076/000095015726001024/form8-k.htm))

Recent analyst actions have included lower price targets, adding to the sense that investors are weighing integration, financing costs, and margin risk even after the Lhoist closing on August 21. ([streetinsider.com](https://www.streetinsider.com/Analyst%2BPT%2BChange/Martin%2BMarietta%2BMaterials%2B%28MLM%29%2BPT%2BLowered%2Bto%2B%24670%2Bat%2BJefferies/27092674.html?utm_source=openai))

Sources:

SEC, TipRanks, Benzinga

Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.

$MLM Hedge Fund Activity

We have seen 460 institutional investors add shares of $MLM stock to their portfolio, and 615 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

JPMORGAN CHASE & CO added 1,466,887 shares (+inf%) to their portfolio in Q2 2026, for an estimated $845,953,732
TCI FUND MANAGEMENT LTD added 1,315,109 shares (+inf%) to their portfolio in Q2 2026, for an estimated $758,423,360
VICTORY CAPITAL MANAGEMENT INC removed 665,496 shares (-27.2%) from their portfolio in Q2 2026, for an estimated $383,791,543
SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. added 492,536 shares (+inf%) to their portfolio in Q2 2026, for an estimated $284,045,511
FMR LLC removed 415,376 shares (-15.9%) from their portfolio in Q2 2026, for an estimated $239,547,339
MORGAN STANLEY removed 329,585 shares (-24.6%) from their portfolio in Q2 2026, for an estimated $190,071,669
GOLDMAN SACHS GROUP INC added 277,475 shares (+31.3%) to their portfolio in Q2 2026, for an estimated $160,019,832

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.

$MLM Congressional Stock Trading

Members of Congress have traded $MLM stock 7 times in the past 6 months. Of those trades, 5 have been purchases and 2 have been sales.

Here’s a breakdown of recent trading of $MLM stock by members of Congress over the last 6 months:

REPRESENTATIVE APRIL MCCLAIN DELANEY has traded it 6 times. They made 5 purchases worth up to $110,000 on 08/19, 07/24, 07/20, 07/17, 05/28 and 1 sale worth up to $500,000 on 08/25.
REPRESENTATIVE JOSH GOTTHEIMER sold up to $50,000 on 04/09.

To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard. You can access data on congressional stock trades through the Quiver Quantitative API Congress trades endpoint.

$MLM Price Targets

Multiple analysts have issued price targets for $MLM recently. We have seen 5 analysts offer price targets for $MLM in the last 6 months, with a median target of $664.0.

Here are some recent targets:

Timna Tanners from Wells Fargo set a target price of $616.0 on 07/08/2026
Anthony Pettinari from Citigroup set a target price of $737.0 on 07/08/2026
Anthony Codling from RBC Capital set a target price of $615.0 on 05/04/2026
Keith Hughes from Truist Securities set a target price of $730.0 on 05/04/2026
Angel Castillo from Morgan Stanley set a target price of $664.0 on 04/06/2026

This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.