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Martin Marietta Materials
MLM

1,069 hedge funds and large institutions have $34.3B invested in Martin Marietta Materials in 2026 Q1 according to their latest regulatory filings, with 102 funds opening new positions, 368 increasing their positions, 375 reducing their positions, and 130 closing their positions.

New
Increased
Maintained
Reduced
Closed

133% more call options, than puts

Call options by funds: $92.7M | Put options by funds: $39.7M

2% less repeat investments, than reductions

Existing positions increased: 368 | Existing positions reduced: 375

2.04% less ownership

Funds ownership: 98.85% → 96.81% (-2%)

4% less funds holding

Funds holding: 1,113 → 1,069 (-44)

8% less capital invested

Capital invested by funds: $37.1B → $34.3B (-$2.8B)

8% less funds holding in top 10

Funds holding in top 10: 24 → 22 (-2)

22% less first-time investments, than exits

New positions opened: 102 | Existing positions closed: 130

Holders
1,069
Holders Change
-44
Holders Change %
-3.95%
% of All Funds
13.15%
Holding in Top 10
22
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-8.33%
% of All Funds
0.27%
New
102
Increased
368
Reduced
375
Closed
130
Calls
$92.7M
Puts
$39.7M
Net Calls
+$53M
Net Calls Change
+$25.2M

Top Buyers

Rank Fund Capital Flow
1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$757M
2
DCP
D1 Capital Partners
New York
+$206M
3
BlackRock
BlackRock
New York
+$127M
4
UBS Group
UBS Group
Switzerland
+$76.5M
5
State Street
State Street
Massachusetts
+$67.5M

Top Sellers

Rank Fund Capital Flow
1
Victory Capital Management
Victory Capital Management
Texas
-$518M
2
JP Morgan Chase
JP Morgan Chase
New York
-$236M
3
Eagle Capital Management (New York)
Eagle Capital Management (New York)
New York
-$204M
4
Fidelity Investments
Fidelity Investments
Massachusetts
-$200M
5
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$112M
Name Holding Trade Value Shares
Change 		Change in
Stake
SWIM
1026
Smallwood Wealth Investment Management
New Jersey
$2.94K – – –
TCM
1027
TD Capital Management
Tennessee
$2.38K – – –
MAM
1028
Morse Asset Management
Connecticut
$2.35K -$638 -1 -20%
HWA
1029
Heritage Wealth Advisors
Virginia
$2.35K – – –
RIAS
1030
Rachor Investment Advisory Services
Michigan
$2.35K – – –
BH
1031
Burk Holdings
Oklahoma
$2.35K +$2.55K +4 New
VWM
1032
Vermillion Wealth Management
Minnesota
$2.35K +$2.55K +4 New
CAL
1033
Capital Advisors Ltd
Ohio
$2K +$638 +1 +33%
BHWM
1034
Beaird Harris Wealth Management
Texas
$1.77K – – –
HWA
1035
HHM Wealth Advisors
Tennessee
$1.77K – – –
JFA
1036
JNBA Financial Advisors
Minnesota
$1.77K – – –
TFM
1037
TFC Financial Management
Massachusetts
$1.77K – – –
ACA
1038
American Capital Advisory
Idaho
$1.77K +$1.92K +3 New
MA
1039
MCF Advisors
Kentucky
$1.77K +$1.92K +3 New
VWA
1040
Valued Wealth Advisors
Utah
$1.77K +$1.92K +3 New
HNW
1041
High Note Wealth
Minnesota
$1.77K – – –
SRCM
1042
Signature Resources Capital Management
California
$1.77K – – –
BFS
1043
Bare Financial Services
Pennsylvania
$1.77K +$1.28K +2 +200%
DJSG
1044
D.J. St. Germain
Massachusetts
$1.77K +$1.92K +3 New
GWSA
1045
Global Wealth Strategies & Associates
Colorado
$1.77K +$1.92K +3 New
Kayne Anderson Rudnick Investment Management
1046
Kayne Anderson Rudnick Investment Management
California
$1.41K -$638 -1 -33%
LWMI
1047
Legacy Wealth Management (Idaho)
Idaho
$1.18K – – –
HIC
1048
Hamrick Investment Counsel
Washington
$1.18K +$1.28K +2 New
SIM
1049
Synergy Investment Management
Florida
$1.18K +$1.28K +2 New
IW
1050
Imprint Wealth
South Carolina
$1.18K -$8.93K -14 -88%
40 41
42
43 44

MLM Hedge Fund Activity: Q1 2026 in Review

1,069 of the 8,130 institutional investors tracked by Wall St. Rank reported a position in Martin Marietta Materials (MLM) for Q1 2026, worth a combined $34.3B — down 7.5% from $37.1B a quarter earlier.

Sellers outnumbered buyers: 130 funds closed out of MLM and 102 opened new positions — a net loss of 28 holders — while 375 trimmed existing stakes and 368 added.

The largest buyer was T. Rowe Price Associates, adding an estimated $757M. The largest seller was Victory Capital Management, cutting an estimated $518M.

  • 1,069 institutional investors held Martin Marietta Materials (MLM) as of Q1 2026, down from 1,113 in Q4 2025.
  • Funds reported $34.3B of Martin Marietta Materials stock for Q1 2026, down 7.5% quarter-over-quarter.
  • 102 funds opened new Martin Marietta Materials positions in Q1 2026 and 130 closed out, a net change of -28 holders.
  • The largest Martin Marietta Materials buyer in Q1 2026 was T. Rowe Price Associates, an estimated $757M added.
  • The largest Martin Marietta Materials seller in Q1 2026 was Victory Capital Management, an estimated $518M sold.

Based on aggregated 13F filings for Q1 2026.