MLM
MARTIN MARIETTA MATERIALSData as of 2026 Q2 (06-30) · 13F snapshot
Summary
MARTIN MARIETTA MATERIALS (MLM) is held as common stock by 7 tracked hedge-fund managers, with a combined reported value of ~$851.16M; the largest are Chris Hohn, Izzy Englander, Joel Greenblatt. 3 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 2 new, 5 added. 20 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Heating up
Common-stock holders73 also report options
Congress trades20
Price$490.77vs quarter-end-14.90%
Sectors1
This quarter's moves
Top holderNew2
Added5
Trimmed / sold0
Common-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
Chris HohnNew large stake
Value $758.42M1.4% of portfolio1,315,1092026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Chris Hohn | $758.42M | 1.4% | New large stake |
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
Value $16.61M— of portfolio28,8002026 Q2
Value $10.09M— of portfolio17,5002026 Q2
Value $922.7K— of portfolio1,6002026 Q2
Value $461.4K— of portfolio8002026 Q2
Value $461.4K— of portfolio8002026 Q2
Value $288.4K— of portfolio5002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $16.61M | — | — |
| Ken GriffinPUT | $10.09M | — | — |
| Izzy EnglanderCALL | $922.7K | — | — |
| Steven CohenCALL | $461.4K | — | — |
| Izzy EnglanderPUT | $461.4K | — | — |
| Steven CohenPUT | $288.4K | — | — |
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.