NYSE · MLM
Martin Marietta Materials INC
Smart money pulse
What insiders and funds are doing
Mixed Insiders: as of Nov 10 Funds: as of Jun 30, 2026
- account_balance407 funds bought, 424 sold in the quarter ended Jun 30, 2026. 116 were new holders.
- infoNo real insider sales in 12 months. Planned 10b5-1 sales and tax withholding are left out.
Pulse runs from −100 (everyone selling) to +100 (everyone buying). Half comes from insiders: real buyers vs. real sellers in the last 90 days (Form 4). Half comes from funds: funds that bought vs. funds that sold last quarter (13F). 13F is a snapshot of long positions on the last day of the quarter, filed up to 45 days later. It does not show short positions or trades since then. This is data, not advice.
Who owns it
1078 funds report owning MLM , up from 1075
New116
Added291
Held359
Trimmed312
Sold out112
Last quarter
Who bought and who sold
Fmr LLC
−16%
Morgan Stanley
−25%
Change in shares held, biggest funds first. Bars stop at ±100%.
Insider trades · last 12 months
Real buys and sales
No insider filings loaded for the last 12 months.
Top holders
Biggest funds in MLM
| Fund | Owns | Value | Change |
|---|---|---|---|
| California State Teachers Retirement System | — | $88.6K | +72704% |
| BlackRock, Inc. | — | $2.71B | +0% |
| Vanguard Capital Management LLC | — | $2.27B | +0% |
| Vanguard Portfolio Management LLC | — | $1.84B | +1% |
| State Street Corp | — | $1.82B | +10% |
"Owns" is shares reported divided by shares outstanding.