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Security record · archived quarter

MLM

Martin Marietta Materials, Inc. · Basic Materials · Construction Materials

539.26 +1.4% mkt cap $32.39B quote delayed (FMP) · as of Aug 26 15:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
20Tracked holders
+2Δ holders
28.47MShares held
$17.94BReported value
+3New positions
−2Exits
Rising Conviction score 51/100 2 quarters of rising tracked shares ●●○○○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +11.1% · share flow -0.6% · net new positions +5.0%formula
Ownership fragmentation — more holders, smaller aggregate stake

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 161 +6 43.53M $25.10B +10 −3
Q1 2026 157 -3 42.60M $25.03B +4 −8
Q4 2025 159 -2 46.56M $28.99B +1 −2
Q3 2025 20 +2 28.47M $17.94B +3 −2
Q2 2025 16 -2 21.07M $11.56B −2
Q1 2025 15 +4 6.81M $3.25B +4
Q4 2024 11 -4 7.91M $4.08B −4
Q3 2024 14 +1 5.54M $2.98B +1
Q2 2024 13 6.07M $3.29B
Holder count
Who holds it · Q3 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 The Vanguard Group (passive) 7.44M +1.3% $4.69B 0.1% ▲ Add 2 SEC ↗
2 The Vanguard Group (passive) 7.44M +1.3% $4.69B 0.1% ▲ Add 2 SEC ↗
3 The Vanguard Group (passive) 7.44M +1.3% $4.69B 0.1% ▲ Add 2 SEC ↗
4 The Vanguard Group (passive) 7.44M +1.3% $4.69B 0.1% ▲ Add 2 SEC ↗
5 The Vanguard Group (passive) 7.44M +1.3% $4.69B 0.1% ▲ Add 2 SEC ↗
6 The Vanguard Group (passive) 7.44M +1.3% $4.69B 0.1% ▲ Add 2 SEC ↗
7 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
8 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
9 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
10 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
11 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
12 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
13 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
14 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
15 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
16 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
17 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
18 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
19 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
20 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
21 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
22 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
23 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
24 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
25 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
26 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
27 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
28 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
29 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
30 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
31 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
32 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
33 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
34 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
35 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
36 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
37 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
38 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
39 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
40 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
41 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
42 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
43 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
44 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
45 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
46 JPMorgan Chase 5.87M $3.70B 0.1% n/c 1 SEC ↗
47 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
48 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
49 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
50 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
51 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
52 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
53 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
54 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
55 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
56 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
57 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
58 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
59 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
60 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
61 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
62 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
63 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
64 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
65 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
66 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
67 BlackRock (passive) 4.15M -1.8% $2.62B 0.0% ▼ Trim 2 SEC ↗
68 Fidelity (FMR) 2.88M -4.3% $1.81B 0.1% ▼ Trim 2 SEC ↗
69 Fidelity (FMR) 2.88M -4.3% $1.81B 0.1% ▼ Trim 2 SEC ↗
70 Fidelity (FMR) 2.88M -4.3% $1.81B 0.1% ▼ Trim 2 SEC ↗
71 Fidelity (FMR) 2.88M -4.3% $1.81B 0.1% ▼ Trim 2 SEC ↗
72 Fidelity (FMR) 2.88M -4.3% $1.81B 0.1% ▼ Trim 2 SEC ↗
73 State Street Global Advisors (passive) 2.80M -1.0% $1.76B 0.1% ▼ Trim 4 SEC ↗
74 Geode Capital Management (passive) 1.54M +1.4% $968.23M 0.1% ▲ Add 6 SEC ↗
75 Geode Capital Management (passive) 1.54M +1.4% $968.23M 0.1% ▲ Add 6 SEC ↗
76 Morgan Stanley 1.30M $818.51M 0.1% n/c 1 SEC ↗
77 Morgan Stanley 1.30M $818.51M 0.1% n/c 1 SEC ↗
78 Morgan Stanley 1.30M $818.51M 0.1% n/c 1 SEC ↗
79 Morgan Stanley 1.30M $818.51M 0.1% n/c 1 SEC ↗
80 Morgan Stanley 1.30M $818.51M 0.1% n/c 1 SEC ↗
81 Morgan Stanley 1.30M $818.51M 0.1% n/c 1 SEC ↗
82 Morgan Stanley 1.30M $818.51M 0.1% n/c 1 SEC ↗
83 Morgan Stanley 1.30M $818.51M 0.1% n/c 1 SEC ↗
84 Morgan Stanley 1.30M $818.51M 0.1% n/c 1 SEC ↗
85 Morgan Stanley 1.30M $818.51M 0.1% n/c 1 SEC ↗
86 Morgan Stanley 1.30M $818.51M 0.1% n/c 1 SEC ↗
87 Morgan Stanley 1.30M $818.51M 0.1% n/c 1 SEC ↗
88 Morgan Stanley 1.30M $818.51M 0.1% n/c 1 SEC ↗
89 Morgan Stanley 1.30M $818.51M 0.1% n/c 1 SEC ↗
90 Morgan Stanley 1.30M $818.51M 0.1% n/c 1 SEC ↗
91 Morgan Stanley 1.30M $818.51M 0.1% n/c 1 SEC ↗
92 Baillie Gifford 1.20M -2.9% $753.69M 0.6% ▼ Trim 6 SEC ↗
93 Baillie Gifford 1.20M -2.9% $753.69M 0.6% ▼ Trim 6 SEC ↗
94 Baillie Gifford 1.20M -2.9% $753.69M 0.6% ▼ Trim 6 SEC ↗
95 Baillie Gifford 1.20M -2.9% $753.69M 0.6% ▼ Trim 6 SEC ↗
96 Goldman Sachs Group 818.11K $515.64M 0.1% n/c 1 SEC ↗
97 Goldman Sachs Group 818.11K $515.64M 0.1% n/c 1 SEC ↗
98 Goldman Sachs Group 818.11K $515.64M 0.1% n/c 1 SEC ↗
99 Goldman Sachs Group 818.11K $515.64M 0.1% n/c 1 SEC ↗
100 Goldman Sachs Group 818.11K $515.64M 0.1% n/c 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

No new tracked buyers this quarter.

Exited

Norges Bank $233.81M was 0.0%
Marshall Wace $9.85M was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,064 holders, 56.49M shares, $31.19B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Beneficial ownership
Aug 24 SC 13D — LNA Holding SRL

15.4% of class · View original SEC filing ↗

Aug 07 SC 13G — STATE STREET CORP

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q3 2025 · Methodology · Get this via the API