Martin Marietta Materials
997 hedge funds and large institutions have $32.8B invested in Martin Marietta Materials in 2025 Q2 according to their latest regulatory filings, with 129 funds opening new positions, 379 increasing their positions, 322 reducing their positions, and 76 closing their positions.
70% more first-time investments, than exits
New positions opened: 129 | Existing positions closed: 76
43% more funds holding in top 10
Funds holding in top 10: 14 → 20 (+6)
18% more repeat investments, than reductions
Existing positions increased: 379 | Existing positions reduced: 322
15% more capital invested
Capital invested by funds: $28.5B → $32.8B (+$4.31B)
5% more funds holding
Funds holding: 953 → 997 (+44)
1.17% more ownership
Funds ownership: 97.84% → 99.01% (+1.2%)
2% more call options, than puts
Call options by funds: $89M | Put options by funds: $87M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Victory Capital Management
San Antonio,
Texas
|
+$850M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
+$299M |
| 3 |
Morgan Stanley
New York
|
+$188M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
+$186M |
| 5 |
RC
RDST Capital
Seattle,
Washington
|
+$55.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Amundi
Paris,
France
|
-$841M |
| 2 |
American Century Companies
Kansas City,
Missouri
|
-$118M |
| 3 |
Norges Bank
Oslo,
Norway
|
-$81.7M |
| 4 |
ECU
Egerton Capital (UK)
London,
United Kingdom
|
-$79.1M |
| 5 |
Invesco
Atlanta,
Georgia
|
-$74.9M |
MLM Hedge Fund Activity: Q2 2025 in Review
997 of the 7,613 institutional investors tracked by Wall St. Rank reported a position in Martin Marietta Materials (MLM) for Q2 2025, worth a combined $32.8B — up 15% from $28.5B a quarter earlier.
Buyers outnumbered sellers: 129 funds opened new MLM positions and 76 closed out — a net gain of 53 holders — while 379 added to existing stakes and 322 trimmed.
The largest buyer was Victory Capital Management, adding an estimated $850M. The largest seller was Amundi, cutting an estimated $841M.
- 997 institutional investors held Martin Marietta Materials (MLM) as of Q2 2025, up from 953 in Q1 2025.
- Funds reported $32.8B of Martin Marietta Materials stock for Q2 2025, up 15% quarter-over-quarter.
- 129 funds opened new Martin Marietta Materials positions in Q2 2025 and 76 closed out, a net change of +53 holders.
- The largest Martin Marietta Materials buyer in Q2 2025 was Victory Capital Management, an estimated $850M added.
- The largest Martin Marietta Materials seller in Q2 2025 was Amundi, an estimated $841M sold.
Based on aggregated 13F filings for Q2 2025.